--- /dev/null
+--- a/configure 2018-11-18 01:57:59.000000000 +0100
++++ b/configure 2023-02-14 17:31:43.422907713 +0100
+@@ -293,6 +293,7 @@ External library support:
+ on OSX if openssl and gnutls are not used [autodetect]
+ --disable-xlib disable xlib [autodetect]
+ --disable-zlib disable zlib [autodetect]
++ --disable-libroxml disable XML parsing using the C library libroxml [autodetect]
+
+ The following libraries provide various hardware acceleration features:
+ --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
+@@ -1565,6 +1566,7 @@ EXTERNAL_LIBRARY_LIST="
+ libopenmpt
+ libopus
+ libpulse
++ libroxml
+ librtmp
+ libschroedinger
+ libshine
+@@ -2926,6 +2928,7 @@ eac3_demuxer_select="ac3_parser"
+ f4v_muxer_select="mov_muxer"
+ fifo_muxer_deps="threads"
+ flac_demuxer_select="flac_parser"
++hds_demuxer_select="libroxml"
+ hds_muxer_select="flv_muxer"
+ hls_muxer_select="mpegts_muxer"
+ image2_alias_pix_demuxer_select="image2_demuxer"
+@@ -5735,6 +5738,8 @@ disabled zlib || check_lib zlib.h
+ disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
+ disabled lzma || check_lib lzma.h lzma_version_number -llzma || disable lzma
+
++disabled libroxml || check_lib roxml roxml.h roxml_load_buf -lroxml || disable libroxml
++
+ check_lib math.h sin -lm && LIBM="-lm"
+ disabled crystalhd || check_lib "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd || disable crystalhd
+
+--- a/libavformat/allformats.c 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/allformats.c 2023-02-14 17:27:17.200274887 +0100
+@@ -142,7 +142,7 @@ static void register_all(void)
+ REGISTER_MUXDEMUX(H263, h263);
+ REGISTER_MUXDEMUX(H264, h264);
+ REGISTER_MUXER (HASH, hash);
+- REGISTER_MUXER (HDS, hds);
++ REGISTER_MUXDEMUX(HDS, hds);
+ REGISTER_MUXDEMUX(HEVC, hevc);
+ REGISTER_MUXDEMUX(HLS, hls);
+ REGISTER_DEMUXER (HNM, hnm);
+--- a/libavformat/amfmetadata.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/amfmetadata.c 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,290 @@
++/*
++ * Adobe Action Message Format Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe Action Message Format Parser
++ * @author Cory McCarthy
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ * @see http://www.adobe.com/content/dam/Adobe/en/devnet/amf/pdf/amf-file-format-spec.pdf
++ */
++
++#include "amfmetadata.h"
++#include "avio_internal.h"
++#include "flv.h"
++#include "libavutil/avstring.h"
++#include "libavutil/intfloat.h"
++#include "libavformat/avformat.h"
++
++static int amf_metadata_parse_value(AVIOContext *in, AMFMetadata *metadata, const char *name);
++
++static int amf_metadata_read_string_value(AVIOContext *in, char *str, int str_size)
++{
++ uint8_t type;
++
++ type = avio_r8(in);
++ if(type != 0x02) {
++ av_log(NULL, AV_LOG_ERROR, "amfmetadata Expected type 2, type = %d \n", type);
++ return -1;
++ }
++
++ return flv_amf_get_string(in, str, str_size);
++}
++
++static void amf_metadata_assign_property_number(AMFMetadata *metadata,
++ const char *name, double value)
++{
++ if(!av_strcasecmp("width", name)) {
++ metadata->width = (int)value;
++ }
++ else
++ if(!av_strcasecmp("height", name)) {
++ metadata->height = (int)value;
++ }
++ else
++ if(!av_strcasecmp("framerate", name)) {
++ metadata->frame_rate = (int)value;
++ }
++ else
++ if(!av_strcasecmp("videodatarate", name)) {
++ metadata->video_data_rate = (int)value;
++ }
++ else
++ if(!av_strcasecmp("audiosamplerate", name)) {
++ metadata->audio_sample_rate = (int)value;
++ }
++ else
++ if(!av_strcasecmp("audiosamplesize", name)) {
++ metadata->audio_sample_size = (int)value;
++ }
++ else
++ if(!av_strcasecmp("audiochannels", name)) {
++ metadata->nb_audio_channels = (int)value;
++ }
++ else
++ if(!av_strcasecmp("stereo", name)) {
++ metadata->nb_audio_channels = ((int)value) ? 2 : 1;
++ }
++ else
++ if(!av_strcasecmp("audiodatarate", name)) {
++ metadata->audio_data_rate = (int)value;
++ }
++ else
++ if(!av_strcasecmp("audiocodecid", name)) {
++ switch(FLV_AUDIO_CODECID_MASK & ((int)value << FLV_AUDIO_CODECID_OFFSET)) {
++ case FLV_CODECID_PCM:
++ metadata->audio_codec_id = metadata->audio_sample_size == 8
++ ? AV_CODEC_ID_PCM_U8
++#if HAVE_BIGENDIAN
++ : AV_CODEC_ID_PCM_S16BE;
++#else
++ : AV_CODEC_ID_PCM_S16LE;
++#endif
++ break;
++ case FLV_CODECID_ADPCM:
++ metadata->audio_codec_id = AV_CODEC_ID_ADPCM_SWF;
++ break;
++ case FLV_CODECID_MP3:
++ metadata->audio_stream_need_parsing = AVSTREAM_PARSE_FULL;
++ metadata->audio_codec_id = AV_CODEC_ID_MP3;
++ break;
++ case FLV_CODECID_PCM_LE:
++ metadata->audio_codec_id = metadata->audio_sample_size == 8
++ ? AV_CODEC_ID_PCM_U8
++ : AV_CODEC_ID_PCM_S16LE;
++ break;
++ case FLV_CODECID_NELLYMOSER_16KHZ_MONO:
++ if (!metadata->audio_sample_rate)
++ metadata->audio_sample_rate = 16000;
++ metadata->nb_audio_channels = 1;
++ metadata->audio_codec_id = AV_CODEC_ID_NELLYMOSER;
++ break;
++ case FLV_CODECID_NELLYMOSER_8KHZ_MONO:
++ if (!metadata->audio_sample_rate)
++ metadata->audio_sample_rate = 8000;
++ metadata->nb_audio_channels = 1;
++ metadata->audio_codec_id = AV_CODEC_ID_NELLYMOSER;
++ break;
++ case FLV_CODECID_NELLYMOSER:
++ metadata->audio_codec_id = AV_CODEC_ID_NELLYMOSER;
++ break;
++ case FLV_CODECID_PCM_ALAW:
++ metadata->audio_sample_rate = 8000;
++ metadata->audio_codec_id = AV_CODEC_ID_PCM_ALAW;
++ break;
++ case FLV_CODECID_PCM_MULAW:
++ metadata->audio_sample_rate = 8000;
++ metadata->audio_codec_id = AV_CODEC_ID_PCM_MULAW;
++ break;
++ case FLV_CODECID_AAC:
++ metadata->audio_codec_id = AV_CODEC_ID_AAC;
++ break;
++ case FLV_CODECID_SPEEX:
++ metadata->audio_sample_rate = 16000;
++ metadata->audio_codec_id = AV_CODEC_ID_SPEEX;
++ break;
++ default:
++ break;
++ }
++ }
++ else
++ if(!av_strcasecmp("videocodecid", name)) {
++ if((int)value == 7)
++ metadata->video_codec_id = AV_CODEC_ID_H264;
++ }
++}
++
++static void amf_metadata_assign_property_string(AMFMetadata *metadata,
++ const char *name, const char *value)
++{
++ if(!av_strcasecmp("audiocodecid", name)) {
++ if(!av_strcasecmp("mp4a", value))
++ metadata->audio_codec_id = AV_CODEC_ID_AAC;
++ else if(!av_strcasecmp(".mp3", value)) {
++ metadata->audio_stream_need_parsing = AVSTREAM_PARSE_FULL;
++ metadata->audio_codec_id = AV_CODEC_ID_MP3;
++ }
++ else
++ av_log(NULL, AV_LOG_ERROR, "amfmetadata audiocodecid=%s unhandled\n", value);
++ }
++ else
++ if(!av_strcasecmp("videocodecid", name)) {
++ if(!av_strcasecmp("avc1", value))
++ metadata->video_codec_id = AV_CODEC_ID_H264;
++ else
++ av_log(NULL, AV_LOG_ERROR, "amfmetadata videocodecid=%s unhandled\n", value);
++ }
++}
++
++static int amf_metadata_parse_object_property(AVIOContext *in, AMFMetadata *metadata)
++{
++ char name[INT16_MAX];
++ int ret;
++
++ if((ret = flv_amf_get_string(in, name, sizeof(name))) < 0)
++ return ret;
++
++ return amf_metadata_parse_value(in, metadata, name);
++}
++
++static int amf_metadata_parse_object(AVIOContext *in, AMFMetadata *metadata)
++{
++ int ret;
++
++ while(!avio_feof(in))
++ if((ret = amf_metadata_parse_object_property(in, metadata)) < 0)
++ break;
++
++ return 0;
++}
++
++static int amf_metadata_parse_strict_array(AVIOContext *in, AMFMetadata *metadata)
++{
++ int length;
++ int ret;
++
++ length = avio_rb32(in);
++ while(!avio_feof(in) && length > 0) {
++ if((ret = amf_metadata_parse_value(in, metadata, NULL)) < 0)
++ return ret;
++ length--;
++ }
++
++ return 0;
++}
++
++static int amf_metadata_parse_value(AVIOContext *in, AMFMetadata *metadata, const char *name)
++{
++ uint8_t type;
++ char value_str[INT16_MAX];
++ double value_number;
++ int ret = 0;
++
++ type = avio_r8(in);
++
++ if(type == AMF_DATA_TYPE_NUMBER) {
++ value_number = av_int2double(avio_rb64(in));
++ amf_metadata_assign_property_number(metadata, name, value_number);
++ }
++ else if(type == AMF_DATA_TYPE_BOOL) {
++ value_number = avio_r8(in);
++ amf_metadata_assign_property_number(metadata, name, value_number);
++ }
++ else if(type == AMF_DATA_TYPE_STRING) {
++ if((ret = flv_amf_get_string(in, value_str, sizeof(value_str))) < 0)
++ return ret;
++ amf_metadata_assign_property_string(metadata, name, value_str);
++ }
++ else if(type == AMF_DATA_TYPE_OBJECT) {
++ ret = amf_metadata_parse_object(in, metadata);
++ }
++ else if(type == AMF_DATA_TYPE_MIXEDARRAY) {
++ avio_skip(in, 4);
++ ret = amf_metadata_parse_object(in, metadata);
++ }
++ else if(type == AMF_DATA_TYPE_ARRAY) {
++ ret = amf_metadata_parse_strict_array(in, metadata);
++ }
++ else if(type == AMF_END_OF_OBJECT) {
++ ret = -1; // EOF
++ }
++
++ return ret;
++}
++
++static int amf_metadata_parse(AVIOContext *in, AMFMetadata *metadata)
++{
++ char name[INT16_MAX];
++ int ret;
++
++ if((ret = amf_metadata_read_string_value(in, name, sizeof(name))) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "amfmetadata Failed to read onMetadata string, ret: %d \n", ret);
++ return ret;
++ }
++
++ if(av_strcasecmp(name, "onMetaData")) {
++ av_log(NULL, AV_LOG_ERROR, "amfmetadata Expected onMetadata, str = %s \n", name);
++ return -1;
++ }
++
++ return amf_metadata_parse_value(in, metadata, name);
++}
++
++int ff_parse_amf_metadata(uint8_t *buffer, int buffer_size, AMFMetadata *metadata)
++{
++ AVIOContext *in;
++ int ret;
++
++ if(!buffer)
++ return 0;
++ if(buffer_size <= 0)
++ return 0;
++
++ in = avio_alloc_context(buffer, buffer_size,
++ 0, NULL, NULL, NULL, NULL);
++ if(!in)
++ return AVERROR(ENOMEM);
++
++ ret = amf_metadata_parse(in, metadata);
++ av_free(in);
++
++ return ret;
++}
+--- a/libavformat/amfmetadata.h 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/amfmetadata.h 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,47 @@
++/*
++ * Adobe Action Message Format Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe Action Message Format Parser
++ * @author Cory McCarthy
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ * @see http://www.adobe.com/content/dam/Adobe/en/devnet/amf/pdf/amf-file-format-spec.pdf
++ */
++
++#include "libavcodec/avcodec.h"
++
++typedef struct AMFMetadata {
++ int width;
++ int height;
++ int frame_rate;
++ int audio_sample_rate;
++ int audio_sample_size;
++ int nb_audio_channels;
++ int audio_data_rate;
++ int video_data_rate;
++ int audio_stream_need_parsing;
++
++ enum AVCodecID audio_codec_id;
++ enum AVCodecID video_codec_id;
++} AMFMetadata;
++
++int ff_parse_amf_metadata(uint8_t *buffer, int buffer_size, AMFMetadata *metadata);
+--- a/libavformat/f4fbox.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/f4fbox.c 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,345 @@
++/*
++ * Adobe Fragmented F4V File (F4F) Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe Fragmented F4V File (F4F) Parser for Adobe HDS
++ * @author Cory McCarthy
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ */
++
++#include "f4fbox.h"
++#include "avformat.h"
++
++static int f4fbox_parse_single_box(AVIOContext *in, void *opague);
++
++static int f4fbox_parse_asrt(AVIOContext *in, int64_t data_size, void *opague)
++{
++ F4FBootstrapInfoBox *parent = (F4FBootstrapInfoBox*)opague;
++ F4FSegmentRunTableBox *asrt;
++ F4FSegmentRunEntry *entry;
++ uint32_t segment_run_entry_count;
++ char url[1024];
++ int i;
++
++ asrt = av_mallocz(sizeof(F4FSegmentRunTableBox));
++ if(!asrt)
++ return AVERROR(ENOMEM);
++
++ parent->segment_run_table_boxes[parent->nb_segment_run_table_boxes] = asrt;
++ parent->nb_segment_run_table_boxes++;
++
++ asrt->version = avio_r8(in);
++ asrt->flags = avio_rb24(in);
++
++ asrt->nb_quality_entries = avio_r8(in);
++ if (asrt->nb_quality_entries)
++ asrt->quality_entries = (char **) av_malloc(asrt->nb_quality_entries * sizeof(char *));
++ for(i = 0; i < asrt->nb_quality_entries; i++) {
++ avio_get_str(in, sizeof(url), url, sizeof(url));
++ av_log(NULL, AV_LOG_DEBUG, "f4fbox asrt quality[%d]=%s\n", i, url);
++ asrt->quality_entries[i] = av_strdup(url);
++ }
++
++ segment_run_entry_count = avio_rb32(in);
++ if(segment_run_entry_count > MAX_NB_SEGMENT_RUN_ENTRIES) {
++ av_log(NULL, AV_LOG_ERROR, "f4fbox segment run entry count exceeds maximum, %d > %d \n",
++ segment_run_entry_count, MAX_NB_SEGMENT_RUN_ENTRIES);
++ segment_run_entry_count = MAX_NB_SEGMENT_RUN_ENTRIES;
++ }
++
++ for(i = 0; i < segment_run_entry_count; i++) {
++ entry = av_mallocz(sizeof(F4FSegmentRunEntry));
++ if(!entry)
++ return AVERROR(ENOMEM);
++
++ asrt->segment_run_entries[asrt->nb_segment_run_entries] = entry;
++ asrt->nb_segment_run_entries++;
++
++ entry->first_segment = avio_rb32(in);
++ entry->fragments_per_segment = avio_rb32(in);
++ }
++
++ return 0;
++}
++
++static int f4fbox_parse_afrt(AVIOContext *in, int64_t data_size, void *opague)
++{
++ F4FBootstrapInfoBox *parent = (F4FBootstrapInfoBox*)opague;
++ F4FFragmentRunTableBox *afrt;
++ F4FFragmentRunEntry *entry;
++ uint32_t fragment_run_entry_count;
++ char url[1024];
++ int i;
++
++ afrt = av_mallocz(sizeof(F4FFragmentRunTableBox));
++ if(!afrt)
++ return AVERROR(ENOMEM);
++
++ parent->fragment_run_table_boxes[parent->nb_fragment_run_table_boxes] = afrt;
++ parent->nb_fragment_run_table_boxes++;
++
++ afrt->version = avio_r8(in);
++ afrt->flags = avio_rb24(in);
++
++ afrt->timescale = avio_rb32(in);
++
++ afrt->nb_quality_entries = avio_r8(in);
++ if (afrt->nb_quality_entries)
++ afrt->quality_entries = (char **) av_malloc(afrt->nb_quality_entries * sizeof(char *));
++ for(i = 0; i < afrt->nb_quality_entries; i++) {
++ avio_get_str(in, sizeof(url), url, sizeof(url));
++ av_log(NULL, AV_LOG_DEBUG, "f4fbox afrt quality[%d]=%s\n", i, url);
++ afrt->quality_entries[i] = av_strdup(url);
++ }
++
++ fragment_run_entry_count = avio_rb32(in);
++ if(fragment_run_entry_count > MAX_NB_FRAGMENT_RUN_ENTRIES) {
++ av_log(NULL, AV_LOG_ERROR, "f4fbox fragment run entry count exceeds maximum, %d > %d \n",
++ fragment_run_entry_count, MAX_NB_FRAGMENT_RUN_ENTRIES);
++ fragment_run_entry_count = MAX_NB_FRAGMENT_RUN_ENTRIES;
++ }
++
++ for(i = 0; i < fragment_run_entry_count; i++) {
++ entry = av_mallocz(sizeof(F4FFragmentRunEntry));
++ if(!entry)
++ return AVERROR(ENOMEM);
++
++ afrt->fragment_run_entries[afrt->nb_fragment_run_entries] = entry;
++ afrt->nb_fragment_run_entries++;
++
++ entry->first_fragment = avio_rb32(in);
++ entry->first_fragment_time_stamp = avio_rb64(in);
++ entry->fragment_duration = avio_rb32(in);
++ if(entry->fragment_duration == 0) {
++ entry->discontinuity_indicator = avio_r8(in);
++ }
++ }
++
++ return 0;
++}
++
++
++static int f4fbox_parse_abst(AVIOContext *in, int64_t data_size, void *opague)
++{
++ F4FBox *parent = (F4FBox*)opague;
++ F4FBootstrapInfoBox *abst = &(parent->abst);
++ uint8_t server_entry_count;
++ uint8_t segment_run_table_count, fragment_run_table_count;
++ uint8_t byte;
++ char url[1024];
++ int i, ret;
++
++ abst->version = avio_r8(in);
++ abst->flags = avio_rb24(in);
++ abst->bootstrap_info_version = avio_rb32(in);
++
++ byte = avio_r8(in);
++ abst->profile = (byte >> 6) & 0x03;
++ abst->is_live = (byte >> 5) & 0x01;
++ abst->is_update = (byte >> 4) & 0x01;
++
++ abst->timescale = avio_rb32(in);
++ abst->current_media_time = avio_rb64(in);
++ abst->smpte_time_code_offset = avio_rb64(in);
++
++ avio_get_str(in, sizeof(abst->movie_id), abst->movie_id, sizeof(abst->movie_id));
++
++ server_entry_count = avio_r8(in);
++ for(i = 0; i < server_entry_count; i++) {
++ avio_get_str(in, sizeof(url), url, sizeof(url));
++ }
++
++ abst->nb_quality_entries = avio_r8(in);
++ if (abst->nb_quality_entries)
++ abst->quality_entries = (char **) av_malloc(abst->nb_quality_entries * sizeof(char *));
++ for(i = 0; i < abst->nb_quality_entries; i++) {
++ avio_get_str(in, sizeof(url), url, sizeof(url));
++ av_log(NULL, AV_LOG_DEBUG, "f4fbox abst quality[%d]=%s\n", i, url);
++ abst->quality_entries[i] = av_strdup(url);
++ }
++
++ avio_get_str(in, sizeof(abst->drm_data), abst->drm_data, sizeof(abst->drm_data));
++ avio_get_str(in, sizeof(abst->metadata), abst->metadata, sizeof(abst->metadata));
++
++ segment_run_table_count = avio_r8(in);
++ for(i = 0; i < segment_run_table_count; i++) {
++ if((ret = f4fbox_parse_single_box(in, abst)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "f4fbox Failed to parse asrt box, ret: %d \n", ret);
++ return ret;
++ }
++ }
++
++ fragment_run_table_count = avio_r8(in);
++ for(i = 0; i < fragment_run_table_count; i++) {
++ if((ret = f4fbox_parse_single_box(in, abst)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "f4fbox Failed to parse afrt box, ret: %d \n", ret);
++ return ret;
++ }
++ }
++
++ return 0;
++}
++
++static int f4fbox_parse_mdat(AVIOContext *in, int64_t data_size, void *opague)
++{
++ F4FBox *parent = (F4FBox*)opague;
++ F4FMediaDataBox *mdat = &(parent->mdat);
++
++ mdat->data = av_mallocz(sizeof(uint8_t)*data_size);
++ if(!mdat->data)
++ return AVERROR(ENOMEM);
++
++ mdat->size = data_size;
++ avio_read(in, mdat->data, mdat->size);
++
++ return 0;
++}
++
++static int f4fbox_parse_single_box(AVIOContext *in, void *opague)
++{
++ int64_t bytes_read, bytes_left, start_pos, end_pos;
++ uint64_t size;
++ uint32_t type;
++ int ret = 0;
++
++ bytes_read = 0;
++ start_pos = avio_tell(in);
++
++ size = avio_rb32(in);
++ type = avio_rl32(in);
++ bytes_read += 8;
++
++ if(size == 1) {/* 64 bit extended size */
++ size = avio_rb64(in) - 8;
++ bytes_read += 8;
++ }
++
++ if(size == 0)
++ return -1;
++
++ if(type == MKTAG('a', 'b', 's', 't')) {
++ ret = f4fbox_parse_abst(in, size, opague);
++ }
++ if(type == MKTAG('a', 's', 'r', 't')) {
++ ret = f4fbox_parse_asrt(in, size, opague);
++ }
++ if(type == MKTAG('a', 'f', 'r', 't')) {
++ ret = f4fbox_parse_afrt(in, size, opague);
++ }
++ if(type == MKTAG('m', 'd', 'a', 't')) {
++ ret = f4fbox_parse_mdat(in, size, opague);
++ }
++
++ if(ret < 0)
++ return ret;
++
++ end_pos = avio_tell(in);
++ bytes_left = size - (end_pos - start_pos);
++ if(bytes_left > 0)
++ avio_skip(in, bytes_left);
++
++ bytes_read += size;
++
++ return bytes_read;
++}
++
++static int f4fbox_parse(AVIOContext *in, int64_t data_size, void *opague)
++{
++ int64_t bytes_read = 0;
++ int ret;
++
++ while(!avio_feof(in) && bytes_read + 8 < data_size) {
++ if((ret = f4fbox_parse_single_box(in, opague)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "f4fbox Failed to parse box, ret: %d \n", ret);
++ return ret;
++ }
++ bytes_read += ret;
++ }
++
++ return 0;
++}
++
++int ff_parse_f4f_box(uint8_t *buffer, int buffer_size, F4FBox *box)
++{
++ AVIOContext *in;
++ int ret;
++
++ in = avio_alloc_context(buffer, buffer_size, 0, NULL, NULL, NULL, NULL);
++ if(!in)
++ return AVERROR(ENOMEM);
++
++ ret = f4fbox_parse(in, buffer_size, box);
++ av_free(in);
++
++ return ret;
++}
++
++int ff_free_f4f_box(F4FBox *box)
++{
++ F4FBootstrapInfoBox *abst;
++ F4FSegmentRunTableBox *asrt;
++ F4FSegmentRunEntry *sre;
++ F4FFragmentRunTableBox *afrt;
++ F4FFragmentRunEntry *fre;
++ F4FMediaDataBox *mdat;
++ int i, j;
++
++ abst = &(box->abst);
++ for(j = 0; j < abst->nb_quality_entries; j++)
++ av_freep(&abst->quality_entries[j]);
++ if (abst->quality_entries)
++ av_freep(&abst->quality_entries);
++
++ for(i = 0; i < abst->nb_segment_run_table_boxes; i++) {
++ asrt = abst->segment_run_table_boxes[i];
++ for(j = 0; j < asrt->nb_quality_entries; j++)
++ av_freep(&asrt->quality_entries[j]);
++ if (asrt->quality_entries)
++ av_freep(&asrt->quality_entries);
++ for(j = 0; j < asrt->nb_segment_run_entries; j++) {
++ sre = asrt->segment_run_entries[j];
++ av_freep(&sre);
++ }
++ av_freep(&asrt);
++ }
++
++ for(i = 0; i < abst->nb_fragment_run_table_boxes; i++) {
++ afrt = abst->fragment_run_table_boxes[i];
++ for(j = 0; j < afrt->nb_quality_entries; j++)
++ av_freep(&afrt->quality_entries[j]);
++ if (afrt->quality_entries)
++ av_freep(&afrt->quality_entries);
++ for(j = 0; j < afrt->nb_fragment_run_entries; j++) {
++ fre = afrt->fragment_run_entries[j];
++ av_freep(&fre);
++ }
++ av_freep(&afrt);
++ }
++
++ mdat = &(box->mdat);
++ if(mdat->size > 0)
++ av_freep(&mdat->data);
++
++ memset(box, 0x00, sizeof(F4FBox));
++
++ return 0;
++}
+--- a/libavformat/f4fbox.h 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/f4fbox.h 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,110 @@
++/*
++ * Adobe Fragmented F4V File (F4F) Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe Fragmented F4V File (F4F) Parser for Adobe HDS
++ * @author Cory McCarthy
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ */
++
++#include "avio_internal.h"
++
++#define MAX_NB_SEGMENT_RUN_TABLE_BOXES 256
++#define MAX_NB_FRAGMENT_RUN_TABLE_BOXES 256
++
++#define MAX_NB_SEGMENT_RUN_ENTRIES 1024
++#define MAX_NB_FRAGMENT_RUN_ENTRIES 1024
++
++typedef struct F4FFragmentRunEntry {
++ uint32_t first_fragment;
++ uint64_t first_fragment_time_stamp;
++ uint32_t fragment_duration;
++ uint8_t discontinuity_indicator;
++} F4FFragmentRunEntry;
++
++typedef struct F4FFragmentRunTableBox {
++ uint8_t version;
++ uint32_t flags;
++ uint32_t timescale;
++
++ uint8_t nb_quality_entries;
++ char **quality_entries;
++
++ uint32_t nb_fragment_run_entries;
++ F4FFragmentRunEntry *fragment_run_entries[MAX_NB_FRAGMENT_RUN_ENTRIES];
++} F4FFragmentRunTableBox;
++
++typedef struct F4FSegmentRunEntry {
++ uint32_t first_segment;
++ uint32_t fragments_per_segment;
++} F4FSegmentRunEntry;
++
++typedef struct F4FSegmentRunTableBox {
++ uint8_t version;
++ uint32_t flags;
++
++ uint8_t nb_quality_entries;
++ char **quality_entries;
++
++ uint32_t nb_segment_run_entries;
++ F4FSegmentRunEntry *segment_run_entries[MAX_NB_SEGMENT_RUN_ENTRIES];
++} F4FSegmentRunTableBox;
++
++typedef struct F4FBootstrapInfoBox {
++ uint8_t version;
++ uint32_t flags;
++ uint32_t bootstrap_info_version;
++
++ uint8_t profile;
++ uint8_t is_live;
++ uint8_t is_update;
++
++ uint32_t timescale;
++ uint64_t current_media_time;
++ uint64_t smpte_time_code_offset;
++
++ char movie_id[1024];
++ char drm_data[1024];
++ char metadata[1024];
++
++ uint8_t nb_quality_entries;
++ char **quality_entries;
++
++ uint8_t nb_segment_run_table_boxes;
++ F4FSegmentRunTableBox *segment_run_table_boxes[MAX_NB_SEGMENT_RUN_TABLE_BOXES];
++
++ uint8_t nb_fragment_run_table_boxes;
++ F4FFragmentRunTableBox *fragment_run_table_boxes[MAX_NB_FRAGMENT_RUN_TABLE_BOXES];
++} F4FBootstrapInfoBox;
++
++typedef struct F4FMediaDataBox {
++ uint32_t size;
++ uint8_t *data;
++} F4FMediaDataBox;
++
++typedef struct F4FBox {
++ F4FBootstrapInfoBox abst;
++ F4FMediaDataBox mdat;
++} F4FBox;
++
++int ff_parse_f4f_box(uint8_t *buffer, int buffer_size, F4FBox *box);
++int ff_free_f4f_box(F4FBox *box);
+--- a/libavformat/f4mmanifest.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/f4mmanifest.c 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,256 @@
++/*
++ * Adobe Media Manifest (F4M) File Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe Media Manifest (F4M) File Parser
++ * @author Cory McCarthy
++ * @see http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/hds/pdfs/adobe-media-manifest-specification.pdf
++ */
++
++#include "f4mmanifest.h"
++#include "libavutil/avstring.h"
++#include "libavutil/base64.h"
++#include <roxml.h>
++
++static int f4m_parse_bootstrap_info_node(node_t * node, F4MBootstrapInfo *bootstrap_info)
++{
++ const char *p;
++ uint8_t *dst;
++ int ret;
++ node_t *attr;
++
++ attr = roxml_get_attr(node, "id", 0);
++ p =roxml_get_content(attr,NULL,0,NULL);
++ if(p) {
++ av_strlcpy(bootstrap_info->id, p, sizeof(bootstrap_info->id));
++ }
++
++ attr = roxml_get_attr(node, "url", 0);
++ p =roxml_get_content(attr,NULL,0,NULL);
++ if(p) {
++ av_strlcpy(bootstrap_info->url, p, sizeof(bootstrap_info->url));
++ }
++
++ attr = roxml_get_attr(node, "profile", 0);
++ p =roxml_get_content(attr,NULL,0,NULL);
++ if(p) {
++ av_strlcpy(bootstrap_info->profile, p, sizeof(bootstrap_info->profile));
++ }
++
++ p = roxml_get_content(node, NULL, 0, NULL);
++ if(p) {
++ dst = av_mallocz(sizeof(uint8_t)*strlen(p));
++ if(!dst)
++ return AVERROR(ENOMEM);
++
++ if((ret = av_base64_decode(dst, p, strlen(p))) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "f4mmanifest Failed to decode bootstrap node base64 metadata, ret: %d \n", ret);
++ av_free(dst);
++ return ret;
++ }
++
++ bootstrap_info->metadata = av_mallocz(sizeof(uint8_t)*ret);
++ if(!bootstrap_info->metadata)
++ return AVERROR(ENOMEM);
++
++ bootstrap_info->metadata_size = ret;
++ memcpy(bootstrap_info->metadata, dst, ret);
++
++ av_free(dst);
++ }
++
++ return 0;
++}
++
++static int f4m_parse_metadata_node(node_t * node, F4MMedia *media)
++{
++ const char *p = NULL;
++ uint8_t *dst;
++ int ret;
++
++ node_t * metadata_node = roxml_get_chld(node, NULL, 0);
++ while(metadata_node) {
++ if(!strcmp(roxml_get_name(metadata_node, NULL, 0), "metadata")) {
++ p = roxml_get_content(metadata_node, NULL, 0, NULL);
++ break;
++ }
++ metadata_node = roxml_get_next_sibling(metadata_node);
++ }
++
++ if(!p)
++ return 0;
++
++ dst = av_mallocz(sizeof(uint8_t)*strlen(p));
++ if(!dst)
++ return AVERROR(ENOMEM);
++
++ if((ret = av_base64_decode(dst, p, strlen(p))) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "f4mmanifest Failed to decode base64 metadata, ret: %d \n", ret);
++ av_free(dst);
++ return ret;
++ }
++
++ media->metadata = av_mallocz(sizeof(uint8_t)*ret);
++ if(!media->metadata)
++ return AVERROR(ENOMEM);
++
++ media->metadata_size = ret;
++ memcpy(media->metadata, dst, ret);
++
++ av_free(dst);
++
++ return 0;
++}
++
++static int f4m_parse_media_node(node_t * node, F4MMedia *media)
++{
++ const char *p;
++ int ret;
++ node_t * attr;
++
++ attr = roxml_get_attr(node, "bitrate", 0);
++ p =roxml_get_content(attr,NULL,0,NULL);
++ if(p) {
++ media->bitrate = strtoul(p, NULL, 10);
++ }
++
++ attr = roxml_get_attr(node, "url", 0);
++ p =roxml_get_content(attr,NULL,0,NULL);
++ if(p) {
++ av_strlcpy(media->url, p, sizeof(media->url));
++ }
++
++ attr = roxml_get_attr(node, "bootstrapInfoId", 0);
++ p =roxml_get_content(attr,NULL,0,NULL);
++ if(p) {
++ av_strlcpy(media->bootstrap_info_id, p, sizeof(media->bootstrap_info_id));
++ }
++
++ if((ret = f4m_parse_metadata_node(node, media)) < 0) {
++ return ret;
++ }
++
++ return 0;
++}
++
++static int f4m_parse_manifest_node(node_t * root_node, F4MManifest *manifest)
++{
++ F4MBootstrapInfo *bootstrap_info;
++ F4MMedia *media;
++ node_t * node;
++ const char *node_content;
++ int ret = 0,chld_idx=0;
++
++ for (chld_idx=0; chld_idx<roxml_get_chld_nb(root_node); chld_idx++){
++ node = roxml_get_chld(root_node, NULL, chld_idx);
++ const char * node_name = roxml_get_name(node, NULL, 0);
++ if(!strcmp(node_name, "text"))
++ continue;
++
++ node_content = roxml_get_content(node, NULL, 0, NULL);
++
++ if(!strcmp(node_name, "id") && node_content) {
++ av_strlcpy(manifest->id, node_content, sizeof(manifest->id));
++ } else if(!strcmp(node_name, "streamType") && node_content) {
++ av_strlcpy(manifest->stream_type, node_content, sizeof(manifest->stream_type));
++ } else if(!strcmp(node_name, "bootstrapInfo")) {
++ bootstrap_info = av_mallocz(sizeof(F4MBootstrapInfo));
++ if(!bootstrap_info)
++ return AVERROR(ENOMEM);
++ manifest->bootstraps[manifest->nb_bootstraps++] = bootstrap_info;
++ ret = f4m_parse_bootstrap_info_node(node, bootstrap_info);
++ } else if(!strcmp(node_name, "media")) {
++ media = av_mallocz(sizeof(F4MMedia));
++ if(!media)
++ return AVERROR(ENOMEM);
++ manifest->media[manifest->nb_media++] = media;
++ ret = f4m_parse_media_node(node, media);
++ } else if (!strcmp(node_name, "duration")) {
++ double duration = strtod(node_content, NULL);
++ manifest->duration = duration * AV_TIME_BASE;
++ }
++
++ if(ret < 0)
++ return ret;
++ }
++
++ return 0;
++}
++
++static int f4m_parse_xml_file(uint8_t *buffer, int size, F4MManifest *manifest)
++{
++ node_t * doc;
++ node_t * root_node;
++ int ret;
++
++ doc = roxml_load_buf(buffer);
++ if(!doc) {
++ return -1;
++ }
++
++ doc = roxml_get_root(doc);
++ root_node = roxml_get_chld(doc, NULL, 0);
++ if(!root_node) {
++ av_log(NULL, AV_LOG_ERROR, "f4mmanifest Root element not found \n");
++ roxml_close(doc);
++ return -1;
++ }
++ const char * root_node_name = roxml_get_name(root_node, NULL, 0);
++ if(strcmp(root_node_name, "manifest")) {
++ av_log(NULL, AV_LOG_ERROR, "f4mmanifest Root element is not named manifest, name = %s \n", root_node_name);
++ roxml_close(doc);
++ return -1;
++ }
++
++ ret = f4m_parse_manifest_node(root_node, manifest);
++ roxml_close(doc);
++
++ return ret;
++}
++
++int ff_parse_f4m_manifest(uint8_t *buffer, int size, F4MManifest *manifest)
++{
++ return f4m_parse_xml_file(buffer, size, manifest);
++}
++
++int ff_free_manifest(F4MManifest *manifest)
++{
++ F4MBootstrapInfo *bootstrap_info;
++ F4MMedia *media;
++ int i;
++
++ for(i = 0; i < manifest->nb_bootstraps; i++) {
++ bootstrap_info = manifest->bootstraps[i];
++ av_freep(&bootstrap_info->metadata);
++ av_freep(&bootstrap_info);
++ }
++
++ for(i = 0; i < manifest->nb_media; i++) {
++ media = manifest->media[i];
++ av_freep(&media->metadata);
++ av_freep(&media);
++ }
++
++ memset(manifest, 0x00, sizeof(F4MManifest));
++
++ return 0;
++}
+--- a/libavformat/f4mmanifest.h 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/f4mmanifest.h 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,65 @@
++/*
++ * Adobe Media Manifest (F4M) File Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe Media Manifest (F4M) File Parser
++ * @author Cory McCarthy
++ * @see http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/hds/pdfs/adobe-media-manifest-specification.pdf
++ */
++
++#include "internal.h"
++
++#define MAX_NB_BOOTSTRAPS 32
++#define MAX_NB_MEDIA 32
++
++typedef struct F4MBootstrapInfo {
++ char id[MAX_URL_SIZE];
++ char url[MAX_URL_SIZE];
++ char profile[MAX_URL_SIZE];
++
++ int metadata_size;
++ uint8_t *metadata;
++} F4MBootstrapInfo;
++
++typedef struct F4MMedia {
++ int bitrate;
++ char url[MAX_URL_SIZE];
++ char bootstrap_info_id[MAX_URL_SIZE];
++
++ int metadata_size;
++ uint8_t *metadata;
++} F4MMedia;
++
++typedef struct F4MManifest {
++ char id[MAX_URL_SIZE];
++ char stream_type[MAX_URL_SIZE];
++ int64_t duration;
++
++ int nb_bootstraps;
++ F4MBootstrapInfo *bootstraps[MAX_NB_BOOTSTRAPS];
++
++ int nb_media;
++ F4MMedia *media[MAX_NB_MEDIA];
++} F4MManifest;
++
++int ff_parse_f4m_manifest(uint8_t *buffer, int size, F4MManifest *manifest);
++int ff_free_manifest(F4MManifest *manifest);
+--- a/libavformat/flvdec.c 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/flvdec.c 2023-02-14 17:27:17.200274887 +0100
+@@ -368,6 +368,11 @@ static int amf_get_string(AVIOContext *i
+ return length;
+ }
+
++int flv_amf_get_string(AVIOContext *ioc, char *buffer, int buffsize)
++{
++ return amf_get_string(ioc, buffer, buffsize);
++}
++
+ static int parse_keyframes_index(AVFormatContext *s, AVIOContext *ioc, int64_t max_pos)
+ {
+ FLVContext *flv = s->priv_data;
+--- a/libavformat/flv.h 2017-12-31 23:35:49.000000000 +0100
++++ b/libavformat/flv.h 2023-02-14 17:27:17.200274887 +0100
+@@ -135,4 +135,6 @@ typedef enum {
+ AMF_DATA_TYPE_UNSUPPORTED = 0x0d,
+ } AMFDataType;
+
++int flv_amf_get_string(AVIOContext *ioc, char *buffer, int buffsize);
++
+ #endif /* AVFORMAT_FLV_H */
+--- a/libavformat/flvtag.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/flvtag.c 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,408 @@
++/*
++ * Adobe FLV Tag Parser
++ * Copyright (c) 2013 Cory McCarthy
++ * Copyright (c) 2014 martii
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief FLV Tag Parser for Adobe HDS F4F Files
++ * @author Cory McCarthy
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ */
++
++#include "flvtag.h"
++#include "libavformat/avio.h"
++#include "libavcodec/get_bits.h"
++#include "libavutil/channel_layout.h"
++#include "flv.h"
++
++typedef struct FLVTagAudioHeader {
++ uint8_t sound_format;
++ uint8_t sound_rate;
++ uint8_t sound_size;
++ uint8_t sound_type;
++
++ uint8_t aac_packet_type;
++} FLVTagAudioHeader;
++
++typedef struct FLVTagAudioBody {
++ uint8_t sound_format;
++ uint8_t sound_rate;
++ uint8_t sound_size;
++ uint8_t sound_type;
++
++ uint8_t aac_packet_type;
++} FLVTagAudioBody;
++
++typedef struct FLVTagVideoHeader {
++ uint8_t frame_type;
++ uint8_t codec_id;
++
++ uint8_t avc_packet_type;
++ int32_t cts;
++} FLVTagVideoHeader;
++
++typedef struct FLVTagVideoBody {
++ //AVCDecoderConfigurationRecord
++ uint8_t configuration_version;
++ uint8_t avc_profile_indication;
++ uint8_t profile_compatibility;
++ uint8_t avc_level_indication;
++
++ uint8_t length_size_minus_one;
++
++ uint8_t *sps_data;
++ int sps_data_size;
++
++ uint8_t *pps_data;
++ int pps_data_size;
++} FLVTagVideoBody;
++
++static int flv_tag_parse_audio_header(AVIOContext *in,
++ FLVTagAudioHeader *header)
++{
++ int ret = 0;
++ uint8_t byte;
++
++ byte = avio_r8(in);
++ ret++;
++
++ header->sound_format = byte & FLV_AUDIO_CODECID_MASK;
++ header->sound_rate = (byte >> FLV_AUDIO_SAMPLERATE_OFFSET) & 0x03;
++ header->sound_size = (byte >> FLV_AUDIO_SAMPLESSIZE_OFFSET) & 0x01;
++ header->sound_type = byte & 0x01;
++
++ if(header->sound_format == FLV_CODECID_AAC) {
++ header->aac_packet_type = avio_r8(in);
++ ret++;
++ }
++
++ return ret;
++}
++
++static int flv_tag_parse_audio_body(AVIOContext *in, uint32_t data_size,
++ FLVTagAudioHeader *header, FLVTagAudioBody *body, FLVMediaSample **sample_out)
++{
++ FLVMediaSample *sample;
++
++ if(header->sound_format != FLV_CODECID_AAC) {
++ av_log(NULL, AV_LOG_ERROR, "flvtag Unhandled sound format %d\n", header->sound_format >> FLV_AUDIO_CODECID_OFFSET);
++ return 0;
++ }
++
++ if(header->aac_packet_type == 0) {
++ av_log(NULL, AV_LOG_DEBUG, "flvtag skipped aac_packet_type %d\n", header->aac_packet_type);
++ return 0;
++ }
++
++ if(header->aac_packet_type != 1) {
++ av_log(NULL, AV_LOG_ERROR, "flvtag Unhandled aac_packet_type %d\n", header->aac_packet_type);
++ return 0;
++ }
++
++ sample = av_mallocz(sizeof(FLVMediaSample));
++ if(!sample)
++ return AVERROR(ENOMEM);
++
++ sample->type = AVMEDIA_TYPE_AUDIO;
++
++ sample->data = av_mallocz(sizeof(uint8_t) * data_size);
++ if(!sample->data) {
++ av_free(sample);
++ return AVERROR(ENOMEM);
++ }
++
++ sample->data_size = data_size;
++ avio_read(in, sample->data, sample->data_size);
++
++ if(sample_out)
++ *sample_out = sample;
++
++ return data_size;
++}
++
++static int flv_tag_parse_video_header(AVIOContext *in,
++ FLVTagVideoHeader *header)
++{
++ int ret = 0;
++ uint8_t byte;
++
++ byte = avio_r8(in);
++ ret++;
++
++ header->frame_type = byte >> 4;
++ header->codec_id = byte & 0x0F;
++
++ if(header->codec_id == 0x07) {
++ header->avc_packet_type = avio_r8(in);
++ header->cts = (avio_rb24(in) + 0xff800000) ^ 0xff800000;
++ ret += 4;
++ }
++
++ return ret;
++}
++
++static int flv_tag_parse_video_body(AVIOContext *in, uint32_t data_size,
++ FLVTagVideoHeader *header, FLVTagVideoBody *body, FLVMediaSample **sample_out)
++{
++ FLVMediaSample *sample = NULL;
++ uint8_t *p;
++ uint8_t nb_sps, nb_pps;
++ uint16_t sps_length, pps_length;
++ int i, ret = 0;
++
++ if(header->frame_type == 0x05) {
++ avio_r8(in);
++ return 1;
++ }
++
++ if(header->codec_id != FLV_CODECID_H264) {
++ av_log(NULL, AV_LOG_ERROR, "flvtag Unhandled video codec id, id: %d \n", header->codec_id);
++ return 0;
++ }
++
++ if(header->avc_packet_type == 0x00) {
++ body->configuration_version = avio_r8(in);
++ body->avc_profile_indication = avio_r8(in);
++ body->profile_compatibility = avio_r8(in);
++ body->avc_level_indication = avio_r8(in);
++ ret += 4;
++
++ body->length_size_minus_one = avio_r8(in) & 0x03;
++ ret++;
++
++ if(body->sps_data_size > 0)
++ av_freep(&body->sps_data);
++ if(body->pps_data_size > 0)
++ av_freep(&body->pps_data);
++
++ nb_sps = avio_r8(in) & 0x1F;
++ ret++;
++
++ for(i = 0; i < nb_sps; i++) {
++ sps_length = avio_rb16(in);
++ ret += 2;
++
++ body->sps_data = av_realloc(body->sps_data,
++ body->sps_data_size + sps_length + 4);
++ if(!body->sps_data)
++ return AVERROR(ENOMEM);
++
++ p = body->sps_data + body->sps_data_size;
++
++ *p++ = 0x00;
++ *p++ = 0x00;
++ *p++ = 0x00;
++ *p++ = 0x01;
++ body->sps_data_size += 4;
++
++ avio_read(in, p, sps_length);
++ body->sps_data_size += sps_length;
++
++ ret += sps_length;
++ }
++
++ nb_pps = avio_r8(in);
++ ret++;
++
++ for(i = 0; i < nb_pps; i++) {
++ pps_length = avio_rb16(in);
++ ret += 2;
++
++ body->pps_data = av_realloc(body->pps_data,
++ body->pps_data_size + pps_length + 4);
++ if(!body->pps_data)
++ return AVERROR(ENOMEM);
++
++ p = body->pps_data + body->pps_data_size;
++
++ *p++ = 0x00;
++ *p++ = 0x00;
++ *p++ = 0x00;
++ *p++ = 0x01;
++ body->pps_data_size += 4;
++
++ avio_read(in, p, pps_length);
++ body->pps_data_size += pps_length;
++
++ ret += pps_length;
++ }
++ }
++ else if(header->avc_packet_type == 0x01) { // AVC NALU
++ sample = av_mallocz(sizeof(FLVMediaSample));
++ if(!sample)
++ return AVERROR(ENOMEM);
++
++ sample->type = AVMEDIA_TYPE_VIDEO;
++
++ sample->data_size = body->sps_data_size + body->pps_data_size;
++ sample->data_size += 4 + data_size;
++
++ sample->data = av_mallocz(sizeof(uint8_t) * sample->data_size);
++ if(!sample->data) {
++ av_free(sample);
++ return AVERROR(ENOMEM);
++ }
++
++ p = sample->data;
++
++ memcpy(p, body->sps_data, body->sps_data_size);
++ p += body->sps_data_size;
++
++ memcpy(p, body->pps_data, body->pps_data_size);
++ p += body->pps_data_size;
++
++ while(ret < data_size) {
++ int length_size = body->length_size_minus_one + 1;
++ uint32_t nal_size = 0;
++ *p++ = 0x00;
++ *p++ = 0x00;
++ *p++ = 0x00;
++ *p++ = 0x01;
++
++ while (length_size) {
++ nal_size <<= 8;
++ nal_size |= avio_r8(in);
++ length_size--;
++ ret++;
++ }
++
++ avio_read(in, p, nal_size);
++ p += nal_size;
++ ret += nal_size;
++ }
++ }
++
++ if(sample_out)
++ *sample_out = sample;
++
++ return ret;
++}
++
++static int flv_tag_decode_body(uint8_t *buffer, int buffer_size,
++ FLVMediaSample **samples, int *nb_samples_out)
++{
++ FLVMediaSample *sample;
++ AVIOContext *in;
++ FLVTagAudioHeader audio_header;
++ FLVTagAudioBody audio_body;
++ FLVTagVideoHeader video_header;
++ FLVTagVideoBody video_body;
++ uint8_t byte, filter, tag_type;
++ uint32_t data_size, dts, stream_id;
++ int nb_samples = 0;
++ int ret;
++
++ memset(&audio_header, 0x00, sizeof(FLVTagAudioHeader));
++ memset(&audio_body, 0x00, sizeof(FLVTagAudioBody));
++ memset(&video_header, 0x00, sizeof(FLVTagVideoHeader));
++ memset(&video_body, 0x00, sizeof(FLVTagVideoBody));
++
++ in = avio_alloc_context(buffer, buffer_size, 0, NULL, NULL, NULL, NULL);
++ if(!in)
++ return AVERROR(ENOMEM);
++
++ while(!avio_feof(in)) {
++ byte = avio_r8(in);
++ filter = byte & 0x20;
++ tag_type = (byte & 0x01F);
++
++ data_size = avio_rb24(in);
++
++ dts = avio_rb24(in);
++ dts |= avio_r8(in) << 24;
++
++ stream_id = avio_rb24(in);
++ if(stream_id != 0) {
++ av_log(NULL, AV_LOG_ERROR, "flvtag Invalid stream_id %d \n", stream_id);
++ return -1;
++ }
++
++ if(tag_type == FLV_TAG_TYPE_AUDIO) {
++ data_size -= flv_tag_parse_audio_header(in, &audio_header);
++ } else if(tag_type == FLV_TAG_TYPE_VIDEO) {
++ data_size -= flv_tag_parse_video_header(in, &video_header);
++ }
++
++#if 0
++ if(filter) {
++ //EncryptionTagHeader
++ //FilterParams
++ }
++#endif
++
++ sample = NULL;
++
++ if(tag_type == FLV_TAG_TYPE_AUDIO) {
++ if((ret = flv_tag_parse_audio_body(in, data_size,
++ &audio_header, &audio_body, &sample)) < 0) {
++
++ av_free(in);
++ return ret;
++ }
++ data_size -= ret;
++ } else if(tag_type == FLV_TAG_TYPE_VIDEO) {
++ if((ret = flv_tag_parse_video_body(in, data_size,
++ &video_header, &video_body, &sample)) < 0) {
++
++ av_free(in);
++ return ret;
++ }
++ data_size -= ret;
++ }
++#if 0
++ else if(tag_type == 18) {
++ //ScriptData
++ }
++#endif
++
++ if(sample) {
++ sample->dts = dts;
++ if (tag_type == FLV_TAG_TYPE_VIDEO)
++ sample->pts = dts + video_header.cts;
++ else
++ sample->pts = AV_NOPTS_VALUE;
++ samples[nb_samples++] = sample;
++ }
++
++ if(data_size) {
++ avio_skip(in, data_size);
++ }
++ avio_rb32(in);
++ }
++
++ av_free(in);
++
++ if(video_body.sps_data_size > 0)
++ av_free(video_body.sps_data);
++ if(video_body.pps_data_size > 0)
++ av_free(video_body.pps_data);
++
++ if(nb_samples_out)
++ *nb_samples_out = nb_samples;
++
++ return 0;
++}
++
++int ff_decode_flv_body(uint8_t *buffer, int buffer_size,
++ FLVMediaSample **samples, int *nb_samples_out)
++{
++ return flv_tag_decode_body(buffer, buffer_size, samples, nb_samples_out);
++}
+--- a/libavformat/flvtag.h 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/flvtag.h 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,40 @@
++/*
++ * Adobe FLV Tag Parser
++ * Copyright (c) 2013 Cory McCarthy
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe FLV Tag Parser for Adobe HDS F4F Files
++ * @author Cory McCarthy
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ */
++
++#include "libavutil/avutil.h"
++
++typedef struct FLVMediaSample {
++ enum AVMediaType type;
++ uint64_t dts;
++ uint64_t pts;
++ int data_size;
++ uint8_t *data;
++} FLVMediaSample;
++
++int ff_decode_flv_body(uint8_t *buffer, int buffer_size,
++ FLVMediaSample **samples, int *nb_samples_out);
+--- a/libavformat/hdsdec.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/hdsdec.c 2023-02-14 17:27:17.200274887 +0100
+@@ -0,0 +1,1036 @@
++/*
++ * Adobe HTTP Dynamic Streaming (HDS) demuxer
++ * Copyright (c) 2013 Cory McCarthy
++ * Copyright (c) 2014 martii
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++/**
++ * @file
++ * @brief Adobe HTTP Dynamic Streaming (HDS) demuxer
++ * @author Cory McCarthy
++ * @see http://www.adobe.com/devnet/hds.html
++ * @see http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/hds/pdfs/adobe-hds-specification.pdf
++ * @see http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/hds/pdfs/adobe-media-manifest-specification.pdf
++ * @see http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf
++ *
++ * @note Link for a HDS test player below:
++ * @see http://mediapm.edgesuite.net/edgeflash/public/zeri/debug/Main.html
++ *
++ * @note Test streams are below:
++ * @test http://multiplatform-f.akamaihd.net/z/multi/april11/hdworld/hdworld_,512x288_450_b,640x360_700_b,768x432_1000_b,1024x576_1400_m,1280x720_1900_m,1280x720_2500_m,1280x720_3500_m,.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/april11/cctv/cctv_,512x288_450_b,640x360_700_b,768x432_1000_b,1024x576_1400_m,1280x720_1900_m,1280x720_2500_m,1280x720_3500_m,.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/april11/sintel/sintel-hd_,512x288_450_b,640x360_700_b,768x432_1000_b,1024x576_1400_m,1280x720_1900_m,1280x720_2500_m,1280x720_3500_m,.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/akamai10year/Akamai_10_Year_,200,300,600,800,1000,1500,2500,4000,k.mp4.csmil/manifest.f4m?hdcore
++ * @test http://zerihdndemo-f.akamaihd.net/z/h264/seeker/LegendofSeeker_16x9_24fps_H264_,400K,650K,1Mbps,1.4Mbps,1.8Mbps,2.5Mbps,.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/will/bunny/big_buck_bunny_,640x360_400,640x360_700,640x360_1000,950x540_1500,1280x720_2000,1280x720_3000,.f4v.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/companion/nba_game/nba_game.mov_,300,600,800,1000,2500,4000,9000,k.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/companion/big_bang_theory/big_bang_theory.mov_,300,600,800,1000,2500,4000,9000,k.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/shuttle/shuttle_,300,600,800,1000,k.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiplatform-f.akamaihd.net/z/multi/up_trailer/up_trailer_720p_,300,600,800,1000,k.mp4.csmil/manifest.f4m?hdcore
++ * @test http://multiformatlive-f.akamaihd.net/z/demostream_1@2131/manifest.f4m?hdcore
++ * @test http://zerihdndemo-f.akamaihd.net/z/h264/darkknight/darkknight.smil/manifest.f4m?hdcore
++ * @test http://zerihdndemo-f.akamaihd.net/z/h264/amours/amours.smil/manifest.f4m?hdcore
++ * @test http://zerihdndemo-f.akamaihd.net/z/h264/robinhood/robinhood.smil/manifest.f4m?hdcore
++ * @test http://zerihdndemo-f.akamaihd.net/z/h264/wallstreet/wallstreet.smil/manifest.f4m?hdcore
++ * @test http://zerihdndemo-f.akamaihd.net/z/h264/rockandroll/rockandroll.smil/manifest.f4m?hdcore
++ * @test http://184.72.239.149/vod/smil:bigbuckbunny.smil/manifest.f4m
++ */
++
++#include "avformat.h"
++#include "internal.h"
++#include "url.h"
++#include "avio_internal.h"
++#include "libavutil/avstring.h"
++#include "libavutil/parseutils.h"
++#include "libavutil/opt.h"
++#include "libavutil/dict.h"
++#include "libavutil/time.h"
++
++#include "amfmetadata.h"
++#include "f4mmanifest.h"
++#include "f4fbox.h"
++#include "flvtag.h"
++
++#include <unistd.h>
++#include <pthread.h>
++#include <semaphore.h>
++#include <alloca.h>
++
++#define MAX_NB_SAMPLES 1024
++
++struct HDSDownloadThreadData
++{
++ pthread_mutex_t mutex; // protects access to this struct
++ pthread_t thread; // download thread id
++ sem_t *to_thread; // send signal to thread
++ sem_t *to_caller; // send signal to caller
++ sem_t _to_thread; // send signal to thread
++ sem_t _to_caller; // send signal to caller
++ char *cookies; // cookies, if any
++ char *url; // current url
++ int run; // thread will run until == 0
++ int abort; // setting this to !=0 aborts download
++ uint8_t *buffer; // set by thread, unset by thread or caller
++ uint32_t buflen; // set by thread, unset by thread or caller
++ AVIOInterruptCB *interrupt_callback;
++ AVIOInterruptCB *abort_callback;
++ AVIOInterruptCB download_abort_callback;
++};
++
++typedef struct HDSBootstrapInfo {
++ char id[MAX_URL_SIZE];
++ char url[MAX_URL_SIZE];
++ char profile[MAX_URL_SIZE];
++ char *quality;
++
++ F4FBox box;
++} HDSBootstrapInfo;
++
++typedef struct HDSMedia {
++ int media_index;
++ int bitrate;
++ char url[MAX_URL_SIZE];
++ HDSBootstrapInfo *bootstrap_info;
++
++ AVStream *audio_stream;
++ AVStream *video_stream;
++
++ int nb_samples;
++ FLVMediaSample *samples[MAX_NB_SAMPLES];
++ int sample_index;
++
++ unsigned int nb_fragments_read;
++
++ struct HDSDownloadThreadData download_data;
++} HDSMedia;
++
++typedef struct HDSContext {
++ char id[MAX_URL_SIZE];
++ char base_url[MAX_URL_SIZE];
++ int is_live;
++ int last_media_index;
++
++ int nb_bootstraps;
++ HDSBootstrapInfo *bootstrap_info[MAX_NB_BOOTSTRAPS];
++
++ int nb_media;
++ HDSMedia *media[MAX_NB_MEDIA];
++
++ int64_t seek_timestamp;
++ char *cookies;
++} HDSContext;
++
++static void construct_bootstrap_url(const char *base_url, const char *bootstrap_url,
++ const char *suffix, char *url_out, size_t url_size)
++{
++ char *p;
++
++ p = url_out;
++ p += av_strlcat(p, base_url, url_size);
++ p += av_strlcat(p, bootstrap_url, url_size);
++ p += av_strlcat(p, suffix, url_size);
++}
++
++static int download_bootstrap(AVFormatContext *s, HDSBootstrapInfo *bootstrap,
++ uint8_t **buffer_out, int *buffer_size_out)
++{
++ HDSContext *c = s->priv_data;
++ URLContext *puc = NULL;
++ AVDictionary *opts = NULL;
++ char url[MAX_URL_SIZE];
++ uint8_t *buffer;
++ int buffer_size;
++ int ret;
++
++ memset(url, 0x00, sizeof(url));
++
++ if(!av_stristr(bootstrap->url, "?") && av_stristr(s->filename, "?")) {
++ construct_bootstrap_url(c->base_url, bootstrap->url, av_stristr(s->filename, "?"), url, MAX_URL_SIZE);
++ } else {
++ construct_bootstrap_url(c->base_url, bootstrap->url, "", url, MAX_URL_SIZE);
++ }
++
++ av_dict_set(&opts, "cookies", c->cookies, 0);
++ ret = ffurl_open(&puc, url, AVIO_FLAG_READ, &s->interrupt_callback, &opts);
++ av_dict_free(&opts);
++
++ if(ret < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to start downloading bootstrap, ret: %d\n", ret);
++ return ret;
++ }
++
++ buffer_size = ffurl_size(puc);
++ buffer = av_mallocz(buffer_size+AV_INPUT_BUFFER_PADDING_SIZE);
++ if(!buffer)
++ return AVERROR(ENOMEM);
++
++ if((ret = ffurl_read_complete(puc, buffer, buffer_size)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to download bootstrap, ret: %d\n", ret);
++ av_free(buffer);
++ return ret;
++ }
++
++ if (c->cookies)
++ av_freep(&c->cookies);
++ av_opt_get(puc->priv_data, "cookies", 0, (uint8_t **) &c->cookies);
++ if (c->cookies && !strlen(c->cookies))
++ av_freep(&c->cookies);
++
++ if((ret = ffurl_close(puc)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to finish downloading bootstrap, ret: %d\n", ret);
++ av_free(buffer);
++ return ret;
++ }
++
++ if(buffer_out)
++ *buffer_out = buffer;
++ else
++ av_free(buffer);
++
++ if(buffer_size_out)
++ *buffer_size_out = buffer_size;
++
++ return 0;
++}
++
++static int create_bootstrap_info(AVFormatContext *s, F4MBootstrapInfo *f4m_bootstrap_info)
++{
++ HDSContext *c = s->priv_data;
++ HDSBootstrapInfo *bootstrap_info;
++ uint8_t *buffer;
++ int buffer_size, ret;
++
++ bootstrap_info = av_mallocz(sizeof(HDSBootstrapInfo));
++ if(!bootstrap_info)
++ return AVERROR(ENOMEM);
++
++ c->bootstrap_info[c->nb_bootstraps++] = bootstrap_info;
++
++ memcpy(bootstrap_info->id, f4m_bootstrap_info->id, sizeof(bootstrap_info->id));
++ memcpy(bootstrap_info->url, f4m_bootstrap_info->url, sizeof(bootstrap_info->url));
++ memcpy(bootstrap_info->profile, f4m_bootstrap_info->profile, sizeof(bootstrap_info->profile));
++
++ buffer = f4m_bootstrap_info->metadata;
++ buffer_size = f4m_bootstrap_info->metadata_size;
++
++ if(buffer_size > 0) {
++ if((ret = ff_parse_f4f_box(buffer, buffer_size, &(bootstrap_info->box))) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to parse metadata bootstrap box, ret: %d\n", ret);
++ return ret;
++ }
++ } else {
++ if((ret = download_bootstrap(s, bootstrap_info, &buffer, &buffer_size)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to download bootstrap, ret: %d\n", ret);
++ return ret;
++ }
++
++ if((ret = ff_parse_f4f_box(buffer, buffer_size, &(bootstrap_info->box))) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to parse downloaded bootstrap box, ret: %d\n", ret);
++ return ret;
++ }
++ }
++
++ return 0;
++}
++
++static int create_streams(AVFormatContext *s, HDSMedia *media, AMFMetadata *metadata, int i)
++{
++ if (metadata->video_codec_id) {
++ AVStream *st = avformat_new_stream(s, NULL);
++ if(!st)
++ return AVERROR(ENOMEM);
++
++ media->video_stream = st;
++ avpriv_set_pts_info(st, 32, 1, 1000);
++ st->discard = AVDISCARD_ALL;
++ st->id = 0 + 2 * i;
++ st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
++ st->codecpar->codec_id = metadata->video_codec_id;
++ st->codecpar->width = metadata->width;
++ st->codecpar->height = metadata->height;
++ st->codecpar->bit_rate = metadata->video_data_rate * 1000;
++ }
++
++ if (metadata->audio_codec_id) {
++ AVStream *st = avformat_new_stream(s, NULL);
++ if(!st)
++ return AVERROR(ENOMEM);
++
++ media->audio_stream = st;
++ avpriv_set_pts_info(st, 32, 1, 1000);
++ st->discard = AVDISCARD_ALL;
++ st->id = 1 + 2 * i;
++ st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
++ st->codecpar->codec_id = metadata->audio_codec_id;
++ st->codecpar->channels = metadata->nb_audio_channels;
++ st->codecpar->channel_layout = (st->codecpar->channels == 2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
++ st->codecpar->sample_rate = metadata->audio_sample_rate;
++ st->codecpar->sample_fmt = AV_SAMPLE_FMT_S16;
++ st->codecpar->bit_rate = metadata->audio_data_rate * 1000;
++ st->need_parsing = metadata->audio_stream_need_parsing;
++ }
++
++ return 0;
++}
++
++static int create_media(AVFormatContext *s, F4MMedia *f4m_media, int i)
++{
++ HDSContext *c = s->priv_data;
++ HDSMedia *media;
++ AMFMetadata metadata;
++ int ret, j;
++
++ media = av_mallocz(sizeof(HDSMedia));
++ if(!media)
++ return AVERROR(ENOMEM);
++
++ c->media[c->nb_media++] = media;
++
++ media->media_index = i;
++ media->bitrate = f4m_media->bitrate;
++ memcpy(media->url, f4m_media->url, sizeof(media->url));
++
++ for(j = 0; j < c->nb_bootstraps; j++) {
++ if(!av_strcasecmp(f4m_media->bootstrap_info_id, c->bootstrap_info[j]->id))
++ continue;
++ media->bootstrap_info = c->bootstrap_info[j];
++ break;
++ }
++
++ memset(&metadata, 0x00, sizeof(AMFMetadata));
++ metadata.nb_audio_channels = 1;
++ if((ret = ff_parse_amf_metadata(f4m_media->metadata, f4m_media->metadata_size, &metadata)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to parse metadata, ret: %d\n", ret);
++ return ret;
++ }
++
++ return create_streams(s, media, &metadata, i);
++}
++
++static int create_pmt(AVFormatContext *s)
++{
++ HDSContext *c = s->priv_data;
++ HDSMedia *media;
++ AVProgram *p;
++ int i, j;
++
++ j = 0;
++ for(i = 0; i < c->nb_media; i++) {
++ media = c->media[i];
++
++ p = av_new_program(s, j++);
++ if(!p)
++ return AVERROR(ENOMEM);
++
++ av_dict_set(&p->metadata,"name",
++ av_asprintf("%d kbit/s", media->bitrate), 0);
++
++ if (media->video_stream)
++ av_program_add_stream_index(s, p->id, media->video_stream->index);
++ if (media->audio_stream)
++ av_program_add_stream_index(s, p->id, media->audio_stream->index);
++ }
++
++ return 0;
++}
++
++static void download_thread_start(AVFormatContext *s, HDSMedia *media);
++
++static int initialize_context(AVFormatContext *s, F4MManifest *manifest)
++{
++ HDSContext *c = s->priv_data;
++ F4MBootstrapInfo *f4m_bootstrap_info;
++ F4MMedia *f4m_media;
++ int i, ret;
++
++ for(i = 0; i < manifest->nb_bootstraps; i++) {
++ f4m_bootstrap_info = manifest->bootstraps[i];
++ if((ret = create_bootstrap_info(s, f4m_bootstrap_info)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to create bootstrap_info, ret: %d\n", ret);
++ return ret;
++ }
++ }
++
++ for(i = 0; i < manifest->nb_media; i++) {
++ f4m_media = manifest->media[i];
++ if((ret = create_media(s, f4m_media, i)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to create media, ret: %d\n", ret);
++ return ret;
++ }
++ }
++
++ if((ret = create_pmt(s)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to create PMT, ret: %d\n", ret);
++ return ret;
++ }
++
++ if(!av_strcasecmp(manifest->stream_type, "live"))
++ c->is_live = 1;
++
++ s->duration = manifest->duration;
++ c->seek_timestamp = AV_NOPTS_VALUE;
++
++ for(i = 0; i < c->nb_media; i++)
++ download_thread_start(s, c->media[i]);
++
++ return 0;
++}
++
++//#define HDS_ENABLE_LOG_CALLBACK
++#ifdef HDS_ENABLE_LOG_CALLBACK
++static void log_callback(void *ptr __attribute__ ((unused)), int lvl __attribute__ ((unused)), const char *format, va_list ap)
++{
++ vfprintf(stderr, format, ap);
++}
++#endif
++
++static int hds_read_header(AVFormatContext *s)
++{
++ HDSContext *c = s->priv_data;
++ AVIOContext *in = s->pb;
++ F4MManifest manifest;
++ int64_t filesize;
++ uint8_t *buf;
++ char *p;
++ int ret;
++#ifdef HDS_ENABLE_LOG_CALLBACK
++ av_log_set_callback(log_callback);
++#endif
++
++ p = av_stristr(s->filename, "manifest.f4m");
++ if(!p) {
++ av_log(NULL, AV_LOG_ERROR, "hds \"manifest.f4m\" is not a substring of \"%s\"\n", s->filename);
++ return -1;
++ }
++ av_strlcpy(c->base_url, s->filename, p - s->filename + 1);
++
++ filesize = avio_size(in);
++ if(filesize <= 0)
++ return -1;
++
++ buf = av_mallocz(filesize*sizeof(uint8_t));
++ if(!buf)
++ return AVERROR(ENOMEM);
++
++ avio_read(in, buf, filesize);
++
++ memset(&manifest, 0x00, sizeof(F4MManifest));
++ ret = ff_parse_f4m_manifest(buf, filesize, &manifest);
++
++ av_free(buf);
++
++ if (ret > -1)
++ ret = initialize_context(s, &manifest);
++
++ ff_free_manifest(&manifest);
++
++ return ret;
++}
++
++static void construct_fragment_url(const char *base_url, const char *media_url,
++ unsigned int segment, unsigned int fragment, const char *suffix, char *url_out, size_t url_size)
++{
++ char *p;
++ char *fragment_str;
++
++ p = url_out;
++ p += av_strlcat(p, base_url, url_size);
++ p += av_strlcat(p, media_url, url_size);
++
++ fragment_str = av_asprintf("Seg%u-Frag%u", segment, fragment);
++ p += av_strlcat(p, fragment_str, url_size);
++ av_free(fragment_str);
++
++ p += av_strlcat(p, suffix, url_size);
++}
++
++static int get_fragment_offset(HDSMedia *media, int64_t timestamp)
++{
++ F4FBootstrapInfoBox *abst = &(media->bootstrap_info->box.abst);
++ int fragments_max = 0;
++ int i, j;
++
++ for(i = 0; i < abst->nb_segment_run_table_boxes; i++) {
++ F4FSegmentRunTableBox *asrt = abst->segment_run_table_boxes[i];
++ int found = 0;
++ if (asrt->nb_quality_entries && media->bootstrap_info->quality)
++ for(j = 0; !found && j < asrt->nb_quality_entries; j++)
++ found = !strcmp(asrt->quality_entries[j], media->bootstrap_info->quality);
++ else
++ found = 1;
++
++ if (found) {
++ F4FSegmentRunEntry *segment_entry = asrt->segment_run_entries[asrt->nb_segment_run_entries - 1];
++ fragments_max = segment_entry->fragments_per_segment;
++ break;
++ }
++ }
++
++ for(i = 0; i < abst->nb_fragment_run_table_boxes; i++) {
++ int found = 0;
++ F4FFragmentRunTableBox *afrt = abst->fragment_run_table_boxes[i];
++ if (afrt->nb_quality_entries && media->bootstrap_info->quality)
++ for(j = 0; !found && j < afrt->nb_quality_entries; j++)
++ found = !strcmp(afrt->quality_entries[j], media->bootstrap_info->quality);
++ else
++ found = 1;
++
++ if (found) {
++ for(j = 0; j < afrt->nb_fragment_run_entries; j++) {
++ F4FFragmentRunEntry *fre = afrt->fragment_run_entries[j];
++ int fragcount;
++ if (j + 1 < afrt->nb_fragment_run_entries) {
++ fragcount = afrt->fragment_run_entries[j + 1]->first_fragment - fre->first_fragment;
++ fragments_max -= fragcount;
++ } else
++ fragcount = fragments_max;
++
++ if (timestamp >= fre->first_fragment_time_stamp && timestamp <= fre->first_fragment_time_stamp + fragcount * fre->fragment_duration)
++ return fre->first_fragment + (timestamp - fre->first_fragment_time_stamp)/fre->fragment_duration;
++ }
++ break;
++ }
++ }
++ return 0;
++}
++
++static int get_segment_fragment(int is_live, HDSMedia *media, unsigned int *segment_out, unsigned int *fragment_out)
++{
++ F4FBootstrapInfoBox *abst = &(media->bootstrap_info->box.abst);
++ unsigned int segment = ~0, fragment = ~0, fragments_max = 0;
++ int i, j, skip;
++
++ if (is_live) {
++ // FIXME. This is a crude hack.
++ *segment_out = 1;
++ *fragment_out = media->nb_fragments_read;
++ return 0;
++ }
++
++ skip = media->nb_fragments_read;
++ for(i = 0; segment == ~0 && i < abst->nb_segment_run_table_boxes; i++) {
++ F4FSegmentRunTableBox *asrt = abst->segment_run_table_boxes[i];
++ int found = 0;
++ if (asrt->nb_quality_entries && media->bootstrap_info->quality)
++ for(j = 0; !found && j < asrt->nb_quality_entries; j++)
++ found = !strcmp(asrt->quality_entries[j], media->bootstrap_info->quality);
++ else
++ found = 1;
++
++ if (found) {
++ for (j = 0; segment == ~0 && j < asrt->nb_segment_run_entries; j++) {
++ F4FSegmentRunEntry *segment_entry = asrt->segment_run_entries[j];
++
++ if (segment_entry->fragments_per_segment < skip) {
++ skip -= segment_entry->fragments_per_segment;
++ fragments_max = segment_entry->fragments_per_segment;
++ } else
++ segment = segment_entry->first_segment;
++ }
++ break;
++ }
++ }
++
++ if(segment == ~0) {
++ av_log(NULL, AV_LOG_ERROR, "hds segment entry for next fragment (%u) not found, skip: %d\n", media->nb_fragments_read, skip);
++ return 0;
++ }
++
++ skip = media->nb_fragments_read;
++ for(i = 0; fragment == ~0 && i < abst->nb_fragment_run_table_boxes; i++) {
++ int found = 0;
++ F4FFragmentRunTableBox *afrt = abst->fragment_run_table_boxes[i];
++ if (afrt->nb_quality_entries && media->bootstrap_info->quality)
++ for(j = 0; !found && j < afrt->nb_quality_entries; j++)
++ found = !strcmp(afrt->quality_entries[j], media->bootstrap_info->quality);
++ else
++ found = 1;
++
++ if (found) {
++ for(j = 0; fragment == ~0 && j < afrt->nb_fragment_run_entries; j++) {
++ int fragcount;
++ F4FFragmentRunEntry *fre = afrt->fragment_run_entries[j];
++ if (j + 1 < afrt->nb_fragment_run_entries) {
++ fragcount = afrt->fragment_run_entries[j + 1]->first_fragment - fre->first_fragment;
++ fragments_max -= fragcount;
++ } else
++ fragcount = fragments_max;
++
++ if (fragcount < skip)
++ fragcount -= skip;
++ else {
++ fragment = fre->first_fragment + skip;
++ skip = 0;
++ }
++ }
++ break;
++ }
++ }
++
++ if (!is_live && skip > 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds fragment %d fragments beyond EOF\n", skip);
++ return AVERROR_EOF;
++ }
++
++ if(fragment == ~0) {
++ av_log(NULL, AV_LOG_ERROR, "hds fragment entry not found\n");
++ return -1;
++ }
++
++ if(segment_out)
++ *segment_out = segment;
++ if(fragment_out)
++ *fragment_out = fragment;
++
++ return 0;
++}
++
++static int download_abort_callback_function(void *opaque)
++{
++ HDSMedia *media = (HDSMedia *) opaque;
++ return media->download_data.abort || ff_check_interrupt(media->download_data.interrupt_callback);
++}
++
++static void *download_thread(void *opaque)
++{
++ HDSMedia *media = (HDSMedia *) opaque;
++
++ while (media->download_data.run && !download_abort_callback_function(media)) {
++ AVDictionary *opts = NULL;
++ URLContext *puc = NULL;
++ uint8_t *buffer = NULL;
++ int buffer_size = 0, ret;
++ char *url = NULL;
++ int url_len;
++ int tries_left = 15;
++
++ if (sem_wait(media->download_data.to_thread))
++ break;
++ if (!media->download_data.run)
++ continue;
++
++ pthread_mutex_lock(&media->download_data.mutex);
++ media->download_data.abort = 0;
++ if (media->download_data.buffer)
++ av_freep(&media->download_data.buffer);
++ media->download_data.buflen = 0;
++ // generate local copies from HDSDownloadThreadData
++ if (media->download_data.cookies)
++ av_dict_set(&opts, "cookies", media->download_data.cookies, 0);
++ url_len = strlen(media->download_data.url) + 1;
++ url = alloca(url_len);
++ strncpy(url, media->download_data.url, url_len);
++ pthread_mutex_unlock(&media->download_data.mutex);
++ //av_log(NULL, AV_LOG_DEBUG, "%s %d: downloading %s\n", __FILE__,__LINE__, url);
++
++ // initiate download
++ do {
++ ret = ffurl_open(&puc, url, AVIO_FLAG_READ, &media->download_data.download_abort_callback, &opts);
++ if (ret < 0) {
++ sleep(1);
++ if (download_abort_callback_function(media))
++ break;
++ sleep(1);
++ tries_left--;
++ }
++ } while (ret < 0 && media->download_data.run && !download_abort_callback_function(media) && tries_left > 0);
++
++ if (opts)
++ av_dict_free(&opts);
++
++ if(ret < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to start downloading url:%s, ret:%d\n", url, ret);
++ } else {
++ buffer_size = ffurl_size(puc);
++ if (buffer_size > -1)
++ buffer = av_mallocz(buffer_size+AV_INPUT_BUFFER_PADDING_SIZE);
++ if(!buffer)
++ av_log(NULL, AV_LOG_DEBUG, "hds Failed to allocate %d bytes buffer\n", buffer_size);
++ }
++
++ if(buffer && (ret = ffurl_read_complete(puc, buffer, buffer_size)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to download fragment, ret: %d\n", ret);
++ av_freep(&buffer);
++ }
++
++ pthread_mutex_lock(&media->download_data.mutex);
++ if (media->download_data.abort || !buffer) {
++ media->download_data.abort = 0;
++ } else {
++ //av_log(NULL, AV_LOG_DEBUG, "%s %d: downloaded %s\n", __FILE__,__LINE__, media->download_data.url);
++ if (media->download_data.cookies)
++ av_freep(&media->download_data.cookies);
++ av_opt_get(puc->priv_data, "cookies", 0, (uint8_t **) &media->download_data.cookies);
++ if (media->download_data.cookies && !strlen(media->download_data.cookies))
++ av_freep(&media->download_data.cookies);
++ media->download_data.buffer = buffer;
++ media->download_data.buflen = buffer_size;
++ }
++ sem_post(media->download_data.to_caller); // confirm download
++ pthread_mutex_unlock(&media->download_data.mutex);
++ if (puc)
++ ffurl_close(puc);
++ }
++ pthread_exit(NULL);
++}
++
++static void download_thread_start(AVFormatContext *s, HDSMedia *media)
++{
++#if defined(__APPLE__)
++ char buf[40];
++#endif
++ pthread_mutex_init(&media->download_data.mutex, NULL);
++#if defined(__APPLE__) // no unnamed semaphores on darwin
++ snprintf(buf, sizeof(buf), "sem_to_thread%d", media->media_index);
++ media->download_data.to_thread = sem_open(buf, O_CREAT, 0644, 0);
++ snprintf(buf, sizeof(buf), "sem_to_caller%d", media->media_index);
++ media->download_data.to_caller = sem_open(buf, O_CREAT, 0644, 0);
++#else
++ sem_init(&media->download_data._to_thread, 0, 0);
++ sem_init(&media->download_data._to_caller, 0, 0);
++ media->download_data.to_thread = &media->download_data._to_thread;
++ media->download_data.to_caller = &media->download_data._to_caller;
++#endif
++ media->download_data.thread = 0;
++ media->download_data.run = 1;
++ media->download_data.abort = 0;
++ media->download_data.url = NULL;
++ media->download_data.buffer = NULL;
++ media->download_data.buflen = 0;
++ media->download_data.cookies = NULL;
++ media->download_data.interrupt_callback = &s->interrupt_callback;
++ media->download_data.download_abort_callback.callback = download_abort_callback_function;
++ media->download_data.download_abort_callback.opaque = media;
++ media->download_data.abort_callback = &media->download_data.download_abort_callback;
++ if (pthread_create(&media->download_data.thread, NULL, download_thread, media))
++ av_log(NULL, AV_LOG_ERROR, "hds: creating download thread failed\n");
++}
++
++static void download_thread_stop(HDSMedia *media)
++{
++ if (media->download_data.thread) {
++#if defined(__APPLE__)
++ char buf[40];
++#endif
++ media->download_data.run = 0;
++ media->download_data.abort = 1;
++ sem_post(media->download_data.to_thread);
++ pthread_join(media->download_data.thread, NULL);
++ media->download_data.thread = 0;
++ if (media->download_data.url)
++ av_freep(&media->download_data.url);
++ if (media->download_data.cookies)
++ av_freep(&media->download_data.cookies);
++ if (media->download_data.buffer)
++ av_freep(&media->download_data.buffer);
++ media->download_data.buflen = 0;
++#if defined(__APPLE__)
++ sem_close(media->download_data.to_thread);
++ sem_close(media->download_data.to_caller);
++ snprintf(buf, sizeof(buf), "sem_to_thread%d", media->media_index);
++ sem_unlink(buf);
++ snprintf(buf, sizeof(buf), "sem_to_caller%d", media->media_index);
++ sem_unlink(buf);
++#else
++ sem_destroy(&media->download_data._to_thread);
++ sem_destroy(&media->download_data._to_caller);
++#endif
++ pthread_mutex_destroy(&media->download_data.mutex);
++ }
++}
++
++static int download_fragment(AVFormatContext *s, HDSMedia *media, uint8_t **buffer_out, int *buffer_size_out)
++{
++ HDSContext *c = s->priv_data;
++ char url[MAX_URL_SIZE];
++ unsigned int segment, fragment;
++ int ret;
++
++ if((ret = get_segment_fragment(c->is_live, media, &segment, &fragment)) < 0)
++ return ret;
++ memset(url, 0x00, sizeof(url));
++ if(!av_stristr(media->url, "?") && av_stristr(s->filename, "?"))
++ construct_fragment_url(c->base_url, media->url, segment, fragment, av_stristr(s->filename, "?"), url, MAX_URL_SIZE);
++ else
++ construct_fragment_url(c->base_url, media->url, segment, fragment, "", url, MAX_URL_SIZE);
++
++ pthread_mutex_lock(&media->download_data.mutex);
++
++ if (!media->download_data.cookies)
++ media->download_data.cookies = av_strdup(c->cookies);
++ if (media->download_data.url && strcmp(media->download_data.url, url)) {
++ // download in progress or finished, but not the wanted one. abort it.
++ media->download_data.abort = 1; // initiate abort
++ pthread_mutex_unlock(&media->download_data.mutex);
++ sem_wait(media->download_data.to_caller); // wait until current transfer has finished
++ pthread_mutex_lock(&media->download_data.mutex);
++ av_freep(&media->download_data.url);
++ }
++ if (!media->download_data.url) {
++ // queue retrieval of wanted url
++ media->download_data.url = av_strdup(url);
++ sem_post(media->download_data.to_thread); // initiate download
++ }
++ if (media->download_data.url && !strcmp(media->download_data.url, url)) {
++ // download matches what we want
++ pthread_mutex_unlock(&media->download_data.mutex);
++ sem_wait(media->download_data.to_caller); // wait until finished
++ pthread_mutex_lock(&media->download_data.mutex);
++ av_freep(&media->download_data.url);
++ if (media->download_data.buffer) {
++ *buffer_out = media->download_data.buffer;
++ *buffer_size_out = media->download_data.buflen;
++ media->download_data.buffer = NULL;
++ media->download_data.buflen = 0;
++ ret = 0;
++ media->nb_fragments_read++;
++ //initiate retrieval of next url
++ if(!get_segment_fragment(c->is_live, media, &segment, &fragment))
++ memset(url, 0x00, sizeof(url));
++ if(!av_stristr(media->url, "?") && av_stristr(s->filename, "?"))
++ construct_fragment_url(c->base_url, media->url, segment, fragment, av_stristr(s->filename, "?"), url, MAX_URL_SIZE);
++ else
++ construct_fragment_url(c->base_url, media->url, segment, fragment, "", url, MAX_URL_SIZE);
++ media->download_data.url = av_strdup(url);
++ sem_post(media->download_data.to_thread); // initiate download
++ } else {
++ // finished but failed
++ ret = AVERROR(EIO);
++ }
++ }
++ pthread_mutex_unlock(&media->download_data.mutex);
++ return ret;
++}
++
++static int get_next_fragment(AVFormatContext *s, HDSMedia *media)
++{
++ F4FBox box;
++ uint8_t *buffer = NULL;
++ int buffer_size = 0, ret;
++
++ if (ff_check_interrupt(media->download_data.interrupt_callback))
++ return AVERROR(EIO);
++
++ if((ret = download_fragment(s, media, &buffer, &buffer_size)) < 0)
++ return ret;
++
++ memset(&box, 0x00, sizeof(F4FBox));
++ if((ret = ff_parse_f4f_box(buffer, buffer_size, &box)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to parse bootstrap box, ret: %d\n", ret);
++ av_free(buffer);
++ ff_free_f4f_box(&box);
++ return ret;
++ }
++ av_free(buffer);
++
++ if((ret = ff_decode_flv_body(box.mdat.data, box.mdat.size, media->samples, &media->nb_samples)) < 0) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to decode FLV body, ret: %d\n", ret);
++ ff_free_f4f_box(&box);
++ return ret;
++ }
++
++ ff_free_f4f_box(&box);
++
++ return 0;
++}
++
++static void read_next_sample(HDSMedia *media, AVPacket *pkt)
++{
++ FLVMediaSample *sample;
++
++ sample = media->samples[media->sample_index];
++ media->sample_index++;
++
++ av_new_packet(pkt, sample->data_size);
++ memcpy(pkt->data, sample->data, sample->data_size);
++
++ pkt->dts = sample->dts;
++ pkt->pts = sample->pts;
++
++ if(sample->type == AVMEDIA_TYPE_VIDEO && media->video_stream)
++ pkt->stream_index = media->video_stream->index;
++ else if(sample->type == AVMEDIA_TYPE_AUDIO && media->audio_stream)
++ pkt->stream_index = media->audio_stream->index;
++}
++
++static void clear_samples(HDSMedia *media)
++{
++ FLVMediaSample *sample;
++ int i;
++
++ for(i = 0; i < media->nb_samples; i++) {
++ sample = media->samples[i];
++ av_freep(&sample->data);
++ av_freep(&sample);
++ media->samples[i] = NULL;
++ }
++
++ media->nb_samples = 0;
++ media->sample_index = 0;
++}
++
++static int get_next_packet(AVFormatContext *s, HDSMedia *media, AVPacket *pkt)
++{
++ HDSContext *c = s->priv_data;
++ int ret;
++
++ if (c->is_live && !media->nb_fragments_read) {
++ int64_t ts = media->bootstrap_info->box.abst.current_media_time;
++ media->nb_fragments_read = get_fragment_offset(media, ts);
++ if (media->nb_fragments_read > 1)
++ media->nb_fragments_read--;
++ }
++
++ if (c->seek_timestamp != AV_NOPTS_VALUE) {
++ int64_t ts = c->seek_timestamp;
++ c->seek_timestamp = AV_NOPTS_VALUE;
++ media->nb_fragments_read = get_fragment_offset(media, ts);
++ clear_samples(media);
++ }
++
++ if(media->nb_samples == 0) {
++ if((ret = get_next_fragment(s, media)) < 0) {
++ return ret;
++ }
++ }
++
++ if(media->nb_samples > 0) {
++ read_next_sample(media, pkt);
++ }
++
++ if(media->sample_index >= media->nb_samples) {
++ clear_samples(media);
++ }
++
++ return 0;
++}
++
++static int hds_read_packet(AVFormatContext *s, AVPacket *pkt)
++{
++ HDSContext *c = s->priv_data;
++ HDSMedia *media = NULL;
++ int i, ret;
++
++ for (i = c->last_media_index + 1; !media && i < c->nb_media; i++) {
++ media = c->media[i];
++ if ((!media->video_stream || (media->video_stream->discard == AVDISCARD_ALL))
++ && (!media->audio_stream || (media->audio_stream->discard == AVDISCARD_ALL)))
++ media = NULL;
++ }
++ for (i = 0; !media && i < c->nb_media; i++) {
++ media = c->media[i];
++ if ((!media->video_stream || (media->video_stream->discard == AVDISCARD_ALL))
++ && (!media->audio_stream || (media->audio_stream->discard == AVDISCARD_ALL)))
++ media = NULL;
++ }
++ c->last_media_index = i;
++
++ if (media && !media->bootstrap_info && c->nb_bootstraps)
++ media->bootstrap_info = c->bootstrap_info[0];
++
++ if (!media || !media->bootstrap_info) {
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to find valid stream\n");
++ return AVERROR(EIO);
++ }
++
++ if((ret = get_next_packet(s, media, pkt)) < 0) {
++ if(ret != AVERROR_EOF)
++ av_log(NULL, AV_LOG_ERROR, "hds Failed to get next packet, ret: %d\n", ret);
++ return ret;
++ }
++
++ return 0;
++}
++
++static int hds_close(AVFormatContext *s)
++{
++ HDSContext *c = s->priv_data;
++ HDSBootstrapInfo *bootstrap_info;
++ HDSMedia *media;
++ int i;
++
++ for(i = 0; i < c->nb_media; i++)
++ download_thread_stop(c->media[i]);
++
++ for(i = 0; i < c->nb_bootstraps; i++) {
++ bootstrap_info = c->bootstrap_info[i];
++
++ ff_free_f4f_box(&bootstrap_info->box);
++ av_freep(&bootstrap_info);
++ }
++
++ for(i = 0; i < c->nb_media; i++) {
++ media = c->media[i];
++
++ if (media->download_data.buffer)
++ av_freep(&media->download_data.buffer);
++
++ clear_samples(media);
++ av_freep(&media);
++ }
++
++ if(c->cookies)
++ av_freep(&c->cookies);
++
++ memset(c, 0x00, sizeof(HDSContext));
++
++ return 0;
++}
++
++static int hds_probe(AVProbeData *p)
++{
++ if(p->filename && av_stristr(p->filename, ".f4m"))
++ return AVPROBE_SCORE_MAX;
++ return 0;
++}
++
++static int hds_read_seek(AVFormatContext *s, int stream_index,
++ int64_t timestamp, int flags)
++{
++ HDSContext *c = s->priv_data;
++
++ if (flags & AVSEEK_FLAG_BYTE)
++ return AVERROR(ENOSYS);
++ if (s->duration < c->seek_timestamp) {
++ c->seek_timestamp = AV_NOPTS_VALUE;
++ return AVERROR(EIO);
++ }
++ c->seek_timestamp = timestamp;
++
++ if (c->is_live) {
++ int i;
++ for(i = 0; i < c->nb_media; i++)
++ c->media[i]->nb_fragments_read = 0;
++ c->seek_timestamp = AV_NOPTS_VALUE;
++ return 0;
++ }
++
++ return 0;
++}
++
++AVInputFormat ff_hds_demuxer = {
++ .name = "hds",
++ .long_name = NULL_IF_CONFIG_SMALL("Adobe HTTP Dynamic Streaming Demuxer"),
++ .priv_data_size = sizeof(HDSContext),
++ .read_probe = hds_probe,
++ .read_header = hds_read_header,
++ .read_packet = hds_read_packet,
++ .read_close = hds_close,
++ .read_seek = hds_read_seek,
++};
+--- a/libavformat/Makefile 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/Makefile 2023-02-14 17:27:17.200274887 +0100
+@@ -200,6 +200,7 @@ OBJS-$(CONFIG_H263_DEMUXER)
+ OBJS-$(CONFIG_H263_MUXER) += rawenc.o
+ OBJS-$(CONFIG_H264_DEMUXER) += h264dec.o rawdec.o
+ OBJS-$(CONFIG_H264_MUXER) += rawenc.o
++OBJS-$(CONFIG_HDS_DEMUXER) += hdsdec.o amfmetadata.o f4mmanifest.o f4fbox.o flvtag.o
+ OBJS-$(CONFIG_HASH_MUXER) += hashenc.o
+ OBJS-$(CONFIG_HDS_MUXER) += hdsenc.o
+ OBJS-$(CONFIG_HEVC_DEMUXER) += hevcdec.o rawdec.o
--- /dev/null
+--- a/libavcodec/aacdec_template.c 2018-11-18 01:57:59.000000000 +0100
++++ b/libavcodec/aacdec_template.c 2023-02-14 17:54:57.904729510 +0100
+@@ -2414,7 +2414,7 @@ static int decode_extension_payload(AACC
+ * @param decode 1 if tool is used normally, 0 if tool is used in LTP.
+ * @param coef spectral coefficients
+ */
+-static void apply_tns(INTFLOAT coef_param[1024], TemporalNoiseShaping *tns,
++static __attribute__((optimize(0))) void apply_tns(INTFLOAT coef_param[1024], TemporalNoiseShaping *tns,
+ IndividualChannelStream *ics, int decode)
+ {
+ const int mmm = FFMIN(ics->tns_max_bands, ics->max_sfb);
+--- a/libavcodec/aacps.c 2018-11-18 01:57:59.000000000 +0100
++++ b/libavcodec/aacps.c 2023-02-14 17:52:02.998962048 +0100
+@@ -654,7 +654,7 @@ static void map_val_20_to_34(INTFLOAT pa
+ par[ 1] = AAC_HALF_SUM(par[ 0], par[ 1]);
+ }
+
+-static void decorrelation(PSContext *ps, INTFLOAT (*out)[32][2], const INTFLOAT (*s)[32][2], int is34)
++static void __attribute__((optimize(0))) decorrelation(PSContext *ps, INTFLOAT (*out)[32][2], const INTFLOAT (*s)[32][2], int is34)
+ {
+ LOCAL_ALIGNED_16(INTFLOAT, power, [34], [PS_QMF_TIME_SLOTS]);
+ LOCAL_ALIGNED_16(INTFLOAT, transient_gain, [34], [PS_QMF_TIME_SLOTS]);
+--- a/libavcodec/fft_template.c 2018-11-18 01:57:59.000000000 +0100
++++ b/libavcodec/fft_template.c 2023-02-14 17:52:02.998962048 +0100
+@@ -475,7 +475,7 @@ static void fft##n(FFTComplex *z)\
+ pass(z,FFT_NAME(ff_cos_##n),n4/2);\
+ }
+
+-static void fft4(FFTComplex *z)
++static void __attribute__((optimize(0))) fft4(FFTComplex *z)
+ {
+ FFTDouble t1, t2, t3, t4, t5, t6, t7, t8;
+
+@@ -489,7 +489,7 @@ static void fft4(FFTComplex *z)
+ BF(z[2].im, z[0].im, t2, t5);
+ }
+
+-static void fft8(FFTComplex *z)
++static void __attribute__((optimize(0))) fft8(FFTComplex *z)
+ {
+ FFTDouble t1, t2, t3, t4, t5, t6;
+
+--- a/libavcodec/mdct_template.c 2018-07-17 11:27:40.000000000 +0200
++++ b/libavcodec/mdct_template.c 2023-02-14 17:52:02.998962048 +0100
+@@ -102,7 +102,7 @@ av_cold int ff_mdct_init(FFTContext *s,
+ * @param output N/2 samples
+ * @param input N/2 samples
+ */
+-void ff_imdct_half_c(FFTContext *s, FFTSample *output, const FFTSample *input)
++void __attribute__((optimize(0))) ff_imdct_half_c(FFTContext *s, FFTSample *output, const FFTSample *input)
+ {
+ int k, n8, n4, n2, n, j;
+ const uint16_t *revtab = s->revtab;
--- /dev/null
+diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
+index c2681ed..711fff8 100644
+--- a/libavformat/aviobuf.c
++++ b/libavformat/aviobuf.c
+@@ -33,7 +33,7 @@
+ #include "url.h"
+ #include <stdarg.h>
+
+-#define IO_BUFFER_SIZE 32768
++#define IO_BUFFER_SIZE 262144
+
+ /**
+ * Do seeks within this distance ahead of the current buffer by skipping
+--
+2.7.4.1.g5468f9e
+
+
--- /dev/null
+--- a/libavformat/aviobuf.c 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/aviobuf.c 2023-02-14 18:10:53.082399288 +0100
+@@ -88,7 +88,6 @@ int ffio_init_context(AVIOContext *s,
+ int64_t (*seek)(void *opaque, int64_t offset, int whence))
+ {
+ s->buffer = buffer;
+- s->orig_buffer_size =
+ s->buffer_size = buffer_size;
+ s->buf_ptr = buffer;
+ s->opaque = opaque;
+@@ -536,16 +535,16 @@ static void fill_buffer(AVIOContext *s)
+ }
+
+ /* make buffer smaller in case it ended up large after probing */
+- if (s->read_packet && s->orig_buffer_size && s->buffer_size > s->orig_buffer_size) {
++ if (s->read_packet && s->buffer_size > max_buffer_size) {
+ if (dst == s->buffer) {
+- int ret = ffio_set_buf_size(s, s->orig_buffer_size);
++ int ret = ffio_set_buf_size(s, max_buffer_size);
+ if (ret < 0)
+ av_log(s, AV_LOG_WARNING, "Failed to decrease buffer size\n");
+
+ s->checksum_ptr = dst = s->buffer;
+ }
+- av_assert0(len >= s->orig_buffer_size);
+- len = s->orig_buffer_size;
++ av_assert0(len >= max_buffer_size);
++ len = max_buffer_size;
+ }
+
+ if (s->read_packet)
+@@ -987,7 +986,6 @@ int ffio_set_buf_size(AVIOContext *s, in
+
+ av_free(s->buffer);
+ s->buffer = buffer;
+- s->orig_buffer_size =
+ s->buffer_size = buf_size;
+ s->buf_ptr = buffer;
+ url_resetbuf(s, s->write_flag ? AVIO_FLAG_WRITE : AVIO_FLAG_READ);
+--- a/libavformat/avio.h 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/avio.h 2023-02-14 18:05:28.759082028 +0100
+@@ -282,13 +282,6 @@ typedef struct AVIOContext {
+ int writeout_count;
+
+ /**
+- * Original buffer size
+- * used internally after probing and ensure seekback to reset the buffer size
+- * This field is internal to libavformat and access from outside is not allowed.
+- */
+- int orig_buffer_size;
+-
+- /**
+ * Threshold to favor readahead over seek.
+ * This is current internal only, do not use from outside.
+ */
--- /dev/null
+--- a/configure 2018-11-18 01:57:59.000000000 +0100
++++ b/configure 2023-02-14 20:19:47.770726018 +0100
+@@ -274,6 +274,7 @@
+ --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
+ --enable-libxvid enable Xvid encoding via xvidcore,
+ native MPEG-4/Xvid encoder exists [no]
++ --enable-libxml2 enable XML parsing using the C library libxml2 [no]
+ --enable-libzimg enable z.lib, needed for zscale filter [no]
+ --enable-libzmq enable message passing via libzmq [no]
+ --enable-libzvbi enable teletext support via libzvbi [no]
+@@ -1581,6 +1582,7 @@
+ libvpx
+ libwavpack
+ libwebp
++ libxml2
+ libzimg
+ libzmq
+ libzvbi
+@@ -2916,6 +2918,7 @@
+ caf_demuxer_select="iso_media riffdec"
+ caf_muxer_select="iso_media"
+ dash_muxer_select="mp4_muxer"
++dash_demuxer_deps="libxml2"
+ dirac_demuxer_select="dirac_parser"
+ dts_demuxer_select="dca_parser"
+ dtshd_demuxer_select="dca_parser"
+@@ -5924,6 +5927,7 @@
+ check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
+ die "ERROR: openssl not found"; }
+ enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
++enabled libxml2 && require_pkg_config libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
+
+ # libdc1394 check
+ if enabled libdc1394; then
+--- a/libavformat/allformats.c 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/allformats.c 2023-02-14 20:19:47.774726060 +0100
+@@ -96,7 +96,7 @@
+ REGISTER_DEMUXER (CINE, cine);
+ REGISTER_DEMUXER (CONCAT, concat);
+ REGISTER_MUXER (CRC, crc);
+- REGISTER_MUXER (DASH, dash);
++ REGISTER_MUXDEMUX(DASH, dash);
+ REGISTER_MUXDEMUX(DATA, data);
+ REGISTER_MUXDEMUX(DAUD, daud);
+ REGISTER_DEMUXER (DCSTR, dcstr);
+--- a/libavformat/dashdec.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavformat/dashdec.c 2023-02-14 20:19:47.774726060 +0100
+@@ -0,0 +1,1801 @@
++/*
++ * Dynamic Adaptive Streaming over HTTP demux
++ * Copyright (c) 2017 samsamsam@o2.pl based on HLS demux
++ * Copyright (c) 2017 Steven Liu
++ *
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++#include <libxml/parser.h>
++#include "libavutil/avstring.h"
++#include "libavutil/intreadwrite.h"
++#include "libavutil/opt.h"
++#include "libavutil/time.h"
++#include "libavutil/parseutils.h"
++#include "internal.h"
++#include "avio_internal.h"
++
++#define INITIAL_BUFFER_SIZE 32768
++
++struct fragment {
++ int64_t url_offset;
++ int64_t size;
++ char *url;
++};
++
++/*
++ * reference to : ISO_IEC_23009-1-DASH-2012
++ * Section: 5.3.9.6.2
++ * Table: Table 17 — Semantics of SegmentTimeline element
++ * */
++struct timeline {
++ /* t: Element or Attribute Name
++ * specifies the MPD start time, in @timescale units,
++ * the first Segment in the series starts relative to the beginning of the Period.
++ * The value of this attribute must be equal to or greater than the sum of the previous S
++ * element earliest presentation time and the sum of the contiguous Segment durations.
++ * If the value of the attribute is greater than what is expressed by the previous S element,
++ * it expresses discontinuities in the timeline.
++ * If not present then the value shall be assumed to be zero for the first S element
++ * and for the subsequent S elements, the value shall be assumed to be the sum of
++ * the previous S element's earliest presentation time and contiguous duration
++ * (i.e. previous S@t + @d * (@r + 1)).
++ * */
++ int64_t t;
++ /* r: Element or Attribute Name
++ * specifies the repeat count of the number of following contiguous Segments with
++ * the same duration expressed by the value of @d. This value is zero-based
++ * (e.g. a value of three means four Segments in the contiguous series).
++ * */
++ int64_t r;
++ /* d: Element or Attribute Name
++ * specifies the Segment duration, in units of the value of the @timescale.
++ * */
++ int64_t d;
++};
++
++enum DASHTmplUrlType {
++ TMP_URL_TYPE_UNSPECIFIED,
++ TMP_URL_TYPE_NUMBER,
++ TMP_URL_TYPE_TIME,
++};
++
++/*
++ * Each playlist has its own demuxer. If it is currently active,
++ * it has an opened AVIOContext too, and potentially an AVPacket
++ * containing the next packet from this stream.
++ */
++struct representation {
++ char *url_template;
++ enum DASHTmplUrlType tmp_url_type;
++ AVIOContext pb;
++ AVIOContext *input;
++ AVFormatContext *parent;
++ AVFormatContext *ctx;
++ AVPacket pkt;
++ int rep_idx;
++ int rep_count;
++ int stream_index;
++
++ enum AVMediaType type;
++ int64_t target_duration;
++
++ int n_fragments;
++ struct fragment **fragments; /* VOD list of fragment for profile */
++
++ int n_timelines;
++ struct timeline **timelines;
++
++ int64_t first_seq_no;
++ int64_t last_seq_no;
++
++ int64_t fragment_duration;
++ int64_t fragment_timescale;
++
++ int64_t cur_seq_no;
++ int64_t cur_seg_offset;
++ int64_t cur_seg_size;
++ struct fragment *cur_seg;
++
++ /* Currently active Media Initialization Section */
++ struct fragment *init_section;
++ uint8_t *init_sec_buf;
++ uint32_t init_sec_buf_size;
++ uint32_t init_sec_data_len;
++ uint32_t init_sec_buf_read_offset;
++ int fix_multiple_stsd_order;
++ int64_t cur_timestamp;
++};
++
++typedef struct DASHContext {
++ const AVClass *class;
++ char *base_url;
++ struct representation *cur_video;
++ struct representation *cur_audio;
++ uint64_t media_presentation_duration_sec;
++ uint64_t suggested_presentation_delay_sec;
++ uint64_t presentation_delay_sec;
++ uint64_t availability_start_time_sec;
++ uint64_t publish_time_sec;
++ uint64_t minimum_update_period_sec;
++ uint64_t time_shift_buffer_depth_sec;
++ uint64_t min_buffer_time_sec;
++ uint64_t period_duration_sec;
++ uint64_t period_start_sec;
++ int is_live;
++ AVIOInterruptCB *interrupt_callback;
++ char *user_agent; ///< holds HTTP user agent set as an AVOption to the HTTP protocol context
++ char *cookies; ///< holds HTTP cookie values set in either the initial response or as an AVOption to the HTTP protocol context
++ char *headers; ///< holds HTTP headers set as an AVOption to the HTTP protocol context
++ AVDictionary *avio_opts;
++} DASHContext;
++
++static uint64_t get_current_time_in_sec(void)
++{
++ return av_gettime() / 1000000;
++}
++
++static uint64_t get_utc_date_time_insec(AVFormatContext *s, const char *datetime)
++{
++ struct tm timeinfo;
++ int year = 0;
++ int month = 0;
++ int day = 0;
++ int hour = 0;
++ int minute = 0;
++ int ret = 0;
++ float second = 0.0;
++
++ /* ISO-8601 date parser */
++ if (!datetime)
++ return 0;
++
++ ret = sscanf(datetime, "%d-%d-%dT%d:%d:%fZ", &year, &month, &day, &hour, &minute, &second);
++ /* year, month, day, hour, minute, second 6 arguments */
++ if (ret != 6) {
++ av_log(s, AV_LOG_WARNING, "get_utc_date_time_insec get a wrong time format\n");
++ }
++ timeinfo.tm_year = year - 1900;
++ timeinfo.tm_mon = month - 1;
++ timeinfo.tm_mday = day;
++ timeinfo.tm_hour = hour;
++ timeinfo.tm_min = minute;
++ timeinfo.tm_sec = (int)second;
++
++ return av_timegm(&timeinfo);
++}
++
++static uint32_t get_duration_insec(AVFormatContext *s, const char *duration)
++{
++ /* ISO-8601 duration parser */
++ uint32_t days = 0;
++ uint32_t hours = 0;
++ uint32_t mins = 0;
++ uint32_t secs = 0;
++ uint32_t size = 0;
++ float value = 0;
++ uint8_t type = 0;
++ const char *ptr = duration;
++
++ while (*ptr) {
++ if (*ptr == 'P' || *ptr == 'T') {
++ ptr++;
++ continue;
++ }
++
++ if (sscanf(ptr, "%f%c%n", &value, &type, &size) != 2) {
++ av_log(s, AV_LOG_WARNING, "get_duration_insec get a wrong time format\n");
++ return 0; /* parser error */
++ }
++ switch (type) {
++ case 'D':
++ days = (uint32_t)value;
++ break;
++ case 'H':
++ hours = (uint32_t)value;
++ break;
++ case 'M':
++ mins = (uint32_t)value;
++ break;
++ case 'S':
++ secs = (uint32_t)value;
++ break;
++ default:
++ // handle invalid type
++ break;
++ }
++ ptr += size;
++ }
++ return ((days * 24 + hours) * 60 + mins) * 60 + secs;
++}
++
++static void free_fragment(struct fragment **seg)
++{
++ if (!(*seg)) {
++ return;
++ }
++ av_freep(&(*seg)->url);
++ av_freep(seg);
++}
++
++static void free_fragment_list(struct representation *pls)
++{
++ int i;
++
++ for (i = 0; i < pls->n_fragments; i++) {
++ free_fragment(&pls->fragments[i]);
++ }
++ av_freep(&pls->fragments);
++ pls->n_fragments = 0;
++}
++
++static void free_timelines_list(struct representation *pls)
++{
++ int i;
++
++ for (i = 0; i < pls->n_timelines; i++) {
++ av_freep(&pls->timelines[i]);
++ }
++ av_freep(&pls->timelines);
++ pls->n_timelines = 0;
++}
++
++/*
++ * Used to reset a statically allocated AVPacket to a clean slate,
++ * containing no data.
++ */
++static void reset_packet(AVPacket *pkt)
++{
++ av_init_packet(pkt);
++ pkt->data = NULL;
++}
++
++static void free_representation(struct representation *pls)
++{
++ free_fragment_list(pls);
++ free_timelines_list(pls);
++ free_fragment(&pls->cur_seg);
++ free_fragment(&pls->init_section);
++ av_freep(&pls->init_sec_buf);
++ av_packet_unref(&pls->pkt);
++ reset_packet(&pls->pkt);
++ av_freep(&pls->pb.buffer);
++ if (pls->input)
++ ff_format_io_close(pls->parent, &pls->input);
++ if (pls->ctx) {
++ pls->ctx->pb = NULL;
++ avformat_close_input(&pls->ctx);
++ }
++
++ av_free(pls->url_template);
++ av_free(pls);
++}
++
++static void update_options(char **dest, const char *name, void *src)
++{
++ av_freep(dest);
++ av_opt_get(src, name, AV_OPT_SEARCH_CHILDREN, (uint8_t**)dest);
++ if (*dest)
++ av_freep(dest);
++}
++
++static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
++ AVDictionary *opts, AVDictionary *opts2, int *is_http)
++{
++ DASHContext *c = s->priv_data;
++ AVDictionary *tmp = NULL;
++ const char *proto_name = NULL;
++ int ret;
++ void *p = NULL;
++
++ av_dict_copy(&tmp, opts, 0);
++ av_dict_copy(&tmp, opts2, 0);
++
++ if (av_strstart(url, "crypto", NULL)) {
++ if (url[6] == '+' || url[6] == ':')
++ proto_name = avio_find_protocol_name(url + 7);
++ }
++
++ if (!proto_name)
++ proto_name = avio_find_protocol_name(url);
++
++ if (!proto_name)
++ return AVERROR_INVALIDDATA;
++
++ // only http(s) & file are allowed
++ if (!av_strstart(proto_name, "http", NULL) && !av_strstart(proto_name, "file", NULL)) {
++ return AVERROR_INVALIDDATA;
++ }
++ if (!strncmp(proto_name, url, strlen(proto_name)) && url[strlen(proto_name)] == ':') {
++ ;
++ } else if (av_strstart(url, "crypto", NULL) && !strncmp(proto_name, url + 7, strlen(proto_name)) && url[7 + strlen(proto_name)] == ':') {
++ ;
++ } else if (strcmp(proto_name, "file") || !strncmp(url, "file,", 5)) {
++ return AVERROR_INVALIDDATA;
++ }
++ ret = s->io_open(s, pb, url, AVIO_FLAG_READ, &tmp);
++ if (ret >= 0) {
++ // update cookies on http response with setcookies.
++ p = (s->flags & AVFMT_FLAG_CUSTOM_IO) ? NULL : s->pb;
++ update_options(&c->cookies, "cookies", p);
++ av_dict_set(&opts, "cookies", c->cookies, 0);
++ }
++
++ av_dict_free(&tmp);
++
++ if (is_http)
++ *is_http = av_strstart(proto_name, "http", NULL);
++
++ return ret;
++
++}
++
++static char *replace_template_str(const char *url, const char *marker)
++{
++ char *prefix = NULL;
++ char *start = 0;
++ char *end = NULL;
++ char *tmp_url = NULL;
++ int marker_len;
++
++ prefix = av_strdup(marker);
++ marker_len = strlen(prefix) - 1;
++ prefix[marker_len] = '\0';
++
++ start = av_stristr(url, prefix);
++ if (!start)
++ goto finish;
++ end = strchr(start + 1, '$');
++ if (!end)
++ goto finish;
++
++ tmp_url = av_mallocz(MAX_URL_SIZE);
++ if (!tmp_url) {
++ return NULL;
++ }
++
++ av_strlcpy(tmp_url, url, start - url+ 1);
++ av_strlcat(tmp_url, start + marker_len, strlen(tmp_url) + end - start - marker_len + 1);
++ av_strlcat(tmp_url, end + 1, MAX_URL_SIZE);
++
++finish:
++ av_free(prefix);
++ return tmp_url;
++}
++
++static char *get_content_url(xmlNodePtr *baseurl_nodes,
++ int n_baseurl_nodes,
++ xmlChar *rep_id_val,
++ xmlChar *rep_bandwidth_val,
++ xmlChar *val)
++{
++ int i;
++ xmlChar *text;
++ char *url = NULL;
++ char *tmp_str = av_mallocz(MAX_URL_SIZE);
++ char *tmp_str_2 = NULL;
++
++ if (!tmp_str) {
++ return NULL;
++ }
++ for (i = 0; i < n_baseurl_nodes; ++i) {
++ if (baseurl_nodes[i] &&
++ baseurl_nodes[i]->children &&
++ baseurl_nodes[i]->children->type == XML_TEXT_NODE) {
++ text = xmlNodeGetContent(baseurl_nodes[i]->children);
++ if (text) {
++ tmp_str_2 = av_mallocz(MAX_URL_SIZE);
++ if (!tmp_str_2) {
++ av_free(tmp_str);
++ return NULL;
++ }
++ ff_make_absolute_url(tmp_str_2, MAX_URL_SIZE, tmp_str, text);
++ av_free(tmp_str);
++ tmp_str = tmp_str_2;
++ xmlFree(text);
++ }
++ }
++ }
++ if (val)
++ av_strlcat(tmp_str, (const char*)val, MAX_URL_SIZE);
++
++ if (rep_id_val) {
++ url = av_strireplace(tmp_str, "$RepresentationID$", (const char*)rep_id_val);
++ av_free(tmp_str);
++ tmp_str = url;
++ }
++ if (rep_bandwidth_val && tmp_str)
++ url = av_strireplace(tmp_str, "$Bandwidth$", (const char*)rep_bandwidth_val);
++ if (tmp_str != url)
++ av_free(tmp_str);
++ return url;
++}
++
++static xmlChar *get_val_from_nodes_tab(xmlNodePtr *nodes, const int n_nodes, const xmlChar *attrname)
++{
++ int i;
++ xmlChar *val;
++
++ for (i = 0; i < n_nodes; ++i) {
++ if (nodes[i]) {
++ val = xmlGetProp(nodes[i], attrname);
++ if (val)
++ return val;
++ }
++ }
++
++ return NULL;
++}
++
++static xmlNodePtr find_child_node_by_name(xmlNodePtr rootnode, const xmlChar *nodename)
++{
++ xmlNodePtr node = rootnode;
++ if (!node) {
++ return NULL;
++ }
++
++ node = xmlFirstElementChild(node);
++ while (node) {
++ if (!xmlStrcmp(node->name, nodename)) {
++ return node;
++ }
++ node = xmlNextElementSibling(node);
++ }
++ return NULL;
++}
++
++static void check_full_number(struct representation *rep)
++{
++ char *temp_string = NULL;
++
++ if (av_stristr(rep->url_template, "$Number$")) {
++ temp_string = av_strireplace(rep->url_template, "$Number$", "$Number%d$");
++ av_free(rep->url_template);
++ rep->url_template = temp_string;
++ }
++}
++
++static enum AVMediaType get_content_type(xmlNodePtr node)
++{
++ enum AVMediaType type = AVMEDIA_TYPE_UNKNOWN;
++ int i = 0;
++ const char *attr;
++
++ if (node) {
++ while (type == AVMEDIA_TYPE_UNKNOWN && i < 2) {
++ attr = (i) ? "mimeType" : "contentType";
++ xmlChar *val = xmlGetProp(node, attr);
++ if (val) {
++ if (av_stristr((const char *)val, "video")) {
++ type = AVMEDIA_TYPE_VIDEO;
++ } else if (av_stristr((const char *)val, "audio")) {
++ type = AVMEDIA_TYPE_AUDIO;
++ }
++ xmlFree(val);
++ }
++ i++;
++ }
++ }
++ return type;
++}
++
++static int parse_manifest_segmenturlnode(AVFormatContext *s, struct representation *rep,
++ xmlNodePtr fragmenturl_node,
++ xmlNodePtr *baseurl_nodes,
++ xmlChar *rep_id_val,
++ xmlChar *rep_bandwidth_val)
++{
++ xmlChar *initialization_val = NULL;
++ xmlChar *media_val = NULL;
++
++ if (!xmlStrcmp(fragmenturl_node->name, (const xmlChar *)"Initialization")) {
++ initialization_val = xmlGetProp(fragmenturl_node, "sourceURL");
++ if (initialization_val) {
++ rep->init_section = av_mallocz(sizeof(struct fragment));
++ if (!rep->init_section) {
++ xmlFree(initialization_val);
++ return AVERROR(ENOMEM);
++ }
++ rep->init_section->url = get_content_url(baseurl_nodes, 4,
++ rep_id_val,
++ rep_bandwidth_val,
++ initialization_val);
++ if (!rep->init_section->url) {
++ av_free(rep->init_section);
++ xmlFree(initialization_val);
++ return AVERROR(ENOMEM);
++ }
++ rep->init_section->size = -1;
++ xmlFree(initialization_val);
++ }
++ } else if (!xmlStrcmp(fragmenturl_node->name, (const xmlChar *)"SegmentURL")) {
++ media_val = xmlGetProp(fragmenturl_node, "media");
++ if (media_val) {
++ struct fragment *seg = av_mallocz(sizeof(struct fragment));
++ if (!seg) {
++ xmlFree(media_val);
++ return AVERROR(ENOMEM);
++ }
++ seg->url = get_content_url(baseurl_nodes, 4,
++ rep_id_val,
++ rep_bandwidth_val,
++ media_val);
++ if (!seg->url) {
++ av_free(seg);
++ xmlFree(media_val);
++ return AVERROR(ENOMEM);
++ }
++ seg->size = -1;
++ dynarray_add(&rep->fragments, &rep->n_fragments, seg);
++ xmlFree(media_val);
++ }
++ }
++
++ return 0;
++}
++
++static int parse_manifest_segmenttimeline(AVFormatContext *s, struct representation *rep,
++ xmlNodePtr fragment_timeline_node)
++{
++ xmlAttrPtr attr = NULL;
++ xmlChar *val = NULL;
++
++ if (!xmlStrcmp(fragment_timeline_node->name, (const xmlChar *)"S")) {
++ struct timeline *tml = av_mallocz(sizeof(struct timeline));
++ if (!tml) {
++ return AVERROR(ENOMEM);
++ }
++ attr = fragment_timeline_node->properties;
++ while (attr) {
++ val = xmlGetProp(fragment_timeline_node, attr->name);
++
++ if (!val) {
++ av_log(s, AV_LOG_WARNING, "parse_manifest_segmenttimeline attr->name = %s val is NULL\n", attr->name);
++ continue;
++ }
++
++ if (!xmlStrcmp(attr->name, (const xmlChar *)"t")) {
++ tml->t = (int64_t)strtoll(val, NULL, 10);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"r")) {
++ tml->r =(int64_t) strtoll(val, NULL, 10);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"d")) {
++ tml->d = (int64_t)strtoll(val, NULL, 10);
++ rep->fragment_duration = (int64_t) strtoll(val, NULL, 10);
++ }
++ attr = attr->next;
++ xmlFree(val);
++ }
++ dynarray_add(&rep->timelines, &rep->n_timelines, tml);
++ }
++
++ return 0;
++}
++
++static int parse_manifest_representation(AVFormatContext *s, const char *url,
++ xmlNodePtr node,
++ xmlNodePtr adaptionset_node,
++ xmlNodePtr mpd_baseurl_node,
++ xmlNodePtr period_baseurl_node,
++ xmlNodePtr fragment_template_node,
++ xmlNodePtr content_component_node,
++ xmlNodePtr adaptionset_baseurl_node)
++{
++ int32_t ret = 0;
++ int32_t audio_rep_idx = 0;
++ int32_t video_rep_idx = 0;
++ char *temp_string = NULL;
++ DASHContext *c = s->priv_data;
++ struct representation *rep = NULL;
++ struct fragment *seg = NULL;
++ xmlNodePtr representation_segmenttemplate_node = NULL;
++ xmlNodePtr representation_baseurl_node = NULL;
++ xmlNodePtr representation_segmentlist_node = NULL;
++ xmlNodePtr fragment_timeline_node = NULL;
++ xmlNodePtr fragment_templates_tab[2];
++ xmlChar *duration_val = NULL;
++ xmlChar *startnumber_val = NULL;
++ xmlChar *timescale_val = NULL;
++ xmlChar *initialization_val = NULL;
++ xmlChar *media_val = NULL;
++ xmlNodePtr baseurl_nodes[4];
++ xmlNodePtr representation_node = node;
++ xmlChar *rep_id_val = xmlGetProp(representation_node, "id");
++ xmlChar *rep_bandwidth_val = xmlGetProp(representation_node, "bandwidth");
++ enum AVMediaType type = AVMEDIA_TYPE_UNKNOWN;
++
++ // try get information from representation
++ if (type == AVMEDIA_TYPE_UNKNOWN)
++ type = get_content_type(representation_node);
++ // try get information from contentComponen
++ if (type == AVMEDIA_TYPE_UNKNOWN)
++ type = get_content_type(content_component_node);
++ // try get information from adaption set
++ if (type == AVMEDIA_TYPE_UNKNOWN)
++ type = get_content_type(adaptionset_node);
++ if (type == AVMEDIA_TYPE_UNKNOWN) {
++ av_log(s, AV_LOG_VERBOSE, "Parsing '%s' - skipp not supported representation type\n", url);
++ } else if ((type == AVMEDIA_TYPE_VIDEO && !c->cur_video) || (type == AVMEDIA_TYPE_AUDIO && !c->cur_audio)) {
++ // convert selected representation to our internal struct
++ rep = av_mallocz(sizeof(struct representation));
++ if (!rep) {
++ ret = AVERROR(ENOMEM);
++ goto end;
++ }
++ representation_segmenttemplate_node = find_child_node_by_name(representation_node, "SegmentTemplate");
++ representation_baseurl_node = find_child_node_by_name(representation_node, "BaseURL");
++ representation_segmentlist_node = find_child_node_by_name(representation_node, "SegmentList");
++ reset_packet(&rep->pkt);
++
++ baseurl_nodes[0] = mpd_baseurl_node;
++ baseurl_nodes[1] = period_baseurl_node;
++ baseurl_nodes[2] = adaptionset_baseurl_node;
++ baseurl_nodes[3] = representation_baseurl_node;
++
++ if (representation_segmenttemplate_node || fragment_template_node) {
++ fragment_timeline_node = NULL;
++ fragment_templates_tab[0] = representation_segmenttemplate_node;
++ fragment_templates_tab[1] = fragment_template_node;
++
++ duration_val = get_val_from_nodes_tab(fragment_templates_tab, 2, "duration");
++ startnumber_val = get_val_from_nodes_tab(fragment_templates_tab, 2, "startNumber");
++ timescale_val = get_val_from_nodes_tab(fragment_templates_tab, 2, "timescale");
++ initialization_val = get_val_from_nodes_tab(fragment_templates_tab, 2, "initialization");
++ media_val = get_val_from_nodes_tab(fragment_templates_tab, 2, "media");
++
++ if (initialization_val) {
++ rep->init_section = av_mallocz(sizeof(struct fragment));
++ if (!rep->init_section) {
++ av_free(rep);
++ ret = AVERROR(ENOMEM);
++ goto end;
++ }
++ rep->init_section->url = get_content_url(baseurl_nodes, 4,
++ rep_id_val,
++ rep_bandwidth_val,
++ initialization_val);
++ if (!rep->init_section->url) {
++ av_free(rep->init_section);
++ av_free(rep);
++ ret = AVERROR(ENOMEM);
++ goto end;
++ }
++ rep->init_section->size = -1;
++ xmlFree(initialization_val);
++ }
++
++ if (media_val) {
++ rep->url_template = get_content_url(baseurl_nodes, 4,
++ rep_id_val,
++ rep_bandwidth_val,
++ media_val);
++ temp_string = rep->url_template;
++ if (temp_string) {
++ if (av_stristr(temp_string, "$Number")) {
++ rep->tmp_url_type = TMP_URL_TYPE_NUMBER; /* Number-Based. */
++ check_full_number(rep);
++ } else if (av_stristr(temp_string, "$Time")) {
++ rep->tmp_url_type = TMP_URL_TYPE_TIME; /* Time-Based. */
++ } else {
++ temp_string = NULL;
++ }
++ }
++ xmlFree(media_val);
++ }
++ if (duration_val) {
++ rep->fragment_duration = (int64_t) strtoll(duration_val, NULL, 10);
++ xmlFree(duration_val);
++ }
++ if (timescale_val) {
++ rep->fragment_timescale = (int64_t) strtoll(timescale_val, NULL, 10);
++ xmlFree(timescale_val);
++ }
++ if (startnumber_val) {
++ rep->first_seq_no = (int64_t) strtoll(startnumber_val, NULL, 10);
++ xmlFree(startnumber_val);
++ }
++
++ fragment_timeline_node = find_child_node_by_name(representation_segmenttemplate_node, "SegmentTimeline");
++
++ if (!fragment_timeline_node)
++ fragment_timeline_node = find_child_node_by_name(fragment_template_node, "SegmentTimeline");
++ if (fragment_timeline_node) {
++ fragment_timeline_node = xmlFirstElementChild(fragment_timeline_node);
++ while (fragment_timeline_node) {
++ ret = parse_manifest_segmenttimeline(s, rep, fragment_timeline_node);
++ if (ret < 0) {
++ return ret;
++ }
++ fragment_timeline_node = xmlNextElementSibling(fragment_timeline_node);
++ }
++ }
++ } else if (representation_baseurl_node && !representation_segmentlist_node) {
++ seg = av_mallocz(sizeof(struct fragment));
++ if (!seg) {
++ ret = AVERROR(ENOMEM);
++ goto end;
++ }
++ seg->url = get_content_url(baseurl_nodes, 4, rep_id_val, rep_bandwidth_val, NULL);
++ if (!seg->url) {
++ av_free(seg);
++ ret = AVERROR(ENOMEM);
++ goto end;
++ }
++ seg->size = -1;
++ dynarray_add(&rep->fragments, &rep->n_fragments, seg);
++ } else if (!representation_baseurl_node && representation_segmentlist_node) {
++ // TODO: https://www.brendanlong.com/the-structure-of-an-mpeg-dash-mpd.html
++ // http://www-itec.uni-klu.ac.at/dash/ddash/mpdGenerator.php?fragmentlength=15&type=full
++ xmlNodePtr fragmenturl_node = NULL;
++ duration_val = xmlGetProp(representation_segmentlist_node, "duration");
++ timescale_val = xmlGetProp(representation_segmentlist_node, "timescale");
++ if (duration_val) {
++ rep->fragment_duration = (int64_t) strtoll(duration_val, NULL, 10);
++ xmlFree(duration_val);
++ }
++ if (timescale_val) {
++ rep->fragment_timescale = (int64_t) strtoll(timescale_val, NULL, 10);
++ xmlFree(timescale_val);
++ }
++ fragmenturl_node = xmlFirstElementChild(representation_segmentlist_node);
++ while (fragmenturl_node) {
++ ret = parse_manifest_segmenturlnode(s, rep, fragmenturl_node,
++ baseurl_nodes,
++ rep_id_val,
++ rep_bandwidth_val);
++ if (ret < 0) {
++ return ret;
++ }
++ fragmenturl_node = xmlNextElementSibling(fragmenturl_node);
++ }
++ } else {
++ free_representation(rep);
++ rep = NULL;
++ av_log(s, AV_LOG_ERROR, "Unknown format of Representation node id[%s] \n", (const char *)rep_id_val);
++ }
++
++ if (rep) {
++ if (rep->fragment_duration > 0 && !rep->fragment_timescale)
++ rep->fragment_timescale = 1;
++ if (type == AVMEDIA_TYPE_VIDEO) {
++ rep->rep_idx = video_rep_idx;
++ c->cur_video = rep;
++ } else {
++ rep->rep_idx = audio_rep_idx;
++ c->cur_audio = rep;
++ }
++ }
++ }
++
++ video_rep_idx += type == AVMEDIA_TYPE_VIDEO;
++ audio_rep_idx += type == AVMEDIA_TYPE_AUDIO;
++
++end:
++ if (rep_id_val)
++ xmlFree(rep_id_val);
++ if (rep_bandwidth_val)
++ xmlFree(rep_bandwidth_val);
++
++ return ret;
++}
++
++static int parse_manifest_adaptationset(AVFormatContext *s, const char *url,
++ xmlNodePtr adaptionset_node,
++ xmlNodePtr mpd_baseurl_node,
++ xmlNodePtr period_baseurl_node)
++{
++ int ret = 0;
++ xmlNodePtr fragment_template_node = NULL;
++ xmlNodePtr content_component_node = NULL;
++ xmlNodePtr adaptionset_baseurl_node = NULL;
++ xmlNodePtr node = NULL;
++
++ node = xmlFirstElementChild(adaptionset_node);
++ while (node) {
++ if (!xmlStrcmp(node->name, (const xmlChar *)"SegmentTemplate")) {
++ fragment_template_node = node;
++ } else if (!xmlStrcmp(node->name, (const xmlChar *)"ContentComponent")) {
++ content_component_node = node;
++ } else if (!xmlStrcmp(node->name, (const xmlChar *)"BaseURL")) {
++ adaptionset_baseurl_node = node;
++ } else if (!xmlStrcmp(node->name, (const xmlChar *)"Representation")) {
++ ret = parse_manifest_representation(s, url, node,
++ adaptionset_node,
++ mpd_baseurl_node,
++ period_baseurl_node,
++ fragment_template_node,
++ content_component_node,
++ adaptionset_baseurl_node);
++ if (ret < 0) {
++ return ret;
++ }
++ }
++ node = xmlNextElementSibling(node);
++ }
++ return 0;
++}
++
++
++static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
++{
++ DASHContext *c = s->priv_data;
++ int ret = 0;
++ int close_in = 0;
++ uint8_t *new_url = NULL;
++ int64_t filesize = 0;
++ char *buffer = NULL;
++ AVDictionary *opts = NULL;
++ xmlDoc *doc = NULL;
++ xmlNodePtr root_element = NULL;
++ xmlNodePtr node = NULL;
++ xmlNodePtr period_node = NULL;
++ xmlNodePtr mpd_baseurl_node = NULL;
++ xmlNodePtr period_baseurl_node = NULL;
++ xmlNodePtr adaptionset_node = NULL;
++ xmlAttrPtr attr = NULL;
++ xmlChar *val = NULL;
++ uint32_t perdiod_duration_sec = 0;
++ uint32_t perdiod_start_sec = 0;
++ int32_t audio_rep_idx = 0;
++ int32_t video_rep_idx = 0;
++
++ if (!in) {
++ close_in = 1;
++ /* This is XML manifest there is no need to set range header */
++ av_dict_set(&opts, "seekable", "0", 0);
++ // broker prior HTTP options that should be consistent across requests
++ av_dict_set(&opts, "user-agent", c->user_agent, 0);
++ av_dict_set(&opts, "cookies", c->cookies, 0);
++ av_dict_set(&opts, "headers", c->headers, 0);
++
++ ret = avio_open2(&in, url, AVIO_FLAG_READ, c->interrupt_callback, &opts);
++ av_dict_free(&opts);
++ if (ret < 0)
++ return ret;
++ }
++
++ if (av_opt_get(in, "location", AV_OPT_SEARCH_CHILDREN, &new_url) >= 0) {
++ c->base_url = av_strdup(new_url);
++ } else {
++ c->base_url = av_strdup(url);
++ }
++
++ filesize = avio_size(in);
++ if (filesize <= 0) {
++ filesize = 8 * 1024;
++ }
++
++ buffer = av_mallocz(filesize);
++ if (!buffer) {
++ return AVERROR(ENOMEM);
++ }
++
++ filesize = avio_read(in, buffer, filesize);
++ if (filesize > 0) {
++ LIBXML_TEST_VERSION
++
++ doc = xmlReadMemory(buffer, filesize, c->base_url, NULL, 0);
++ root_element = xmlDocGetRootElement(doc);
++ node = root_element;
++
++ if (!node) {
++ ret = AVERROR_INVALIDDATA;
++ av_log(s, AV_LOG_ERROR, "Unable to parse '%s' - missing root node\n", url);
++ goto cleanup;
++ }
++
++ if (node->type != XML_ELEMENT_NODE ||
++ xmlStrcmp(node->name, (const xmlChar *)"MPD")) {
++ ret = AVERROR_INVALIDDATA;
++ av_log(s, AV_LOG_ERROR, "Unable to parse '%s' - wrong root node name[%s] type[%d]\n", url, node->name, (int)node->type);
++ goto cleanup;
++ }
++
++ val = xmlGetProp(node, "type");
++ if (!val) {
++ av_log(s, AV_LOG_ERROR, "Unable to parse '%s' - missing type attrib\n", url);
++ ret = AVERROR_INVALIDDATA;
++ goto cleanup;
++ }
++ if (!xmlStrcmp(val, (const xmlChar *)"dynamic"))
++ c->is_live = 1;
++ xmlFree(val);
++
++ attr = node->properties;
++ while (attr) {
++ val = xmlGetProp(node, attr->name);
++
++ if (!xmlStrcmp(attr->name, (const xmlChar *)"availabilityStartTime")) {
++ c->availability_start_time_sec = get_utc_date_time_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"publishTime")) {
++ c->publish_time_sec = get_utc_date_time_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"minimumUpdatePeriod")) {
++ c->minimum_update_period_sec = get_duration_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"timeShiftBufferDepth")) {
++ c->time_shift_buffer_depth_sec = get_duration_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"minBufferTime")) {
++ c->min_buffer_time_sec = get_duration_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"suggestedPresentationDelay")) {
++ c->suggested_presentation_delay_sec = get_duration_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"mediaPresentationDuration")) {
++ c->media_presentation_duration_sec = get_duration_insec(s, (const char *)val);
++ }
++ attr = attr->next;
++ xmlFree(val);
++ }
++
++ mpd_baseurl_node = find_child_node_by_name(node, "BaseURL");
++
++ // at now we can handle only one period, with the longest duration
++ node = xmlFirstElementChild(node);
++ while (node) {
++ if (!xmlStrcmp(node->name, (const xmlChar *)"Period")) {
++ perdiod_duration_sec = 0;
++ perdiod_start_sec = 0;
++ attr = node->properties;
++ while (attr) {
++ val = xmlGetProp(node, attr->name);
++ if (!xmlStrcmp(attr->name, (const xmlChar *)"duration")) {
++ perdiod_duration_sec = get_duration_insec(s, (const char *)val);
++ } else if (!xmlStrcmp(attr->name, (const xmlChar *)"start")) {
++ perdiod_start_sec = get_duration_insec(s, (const char *)val);
++ }
++ attr = attr->next;
++ xmlFree(val);
++ }
++ if ((perdiod_duration_sec) >= (c->period_duration_sec)) {
++ period_node = node;
++ c->period_duration_sec = perdiod_duration_sec;
++ c->period_start_sec = perdiod_start_sec;
++ if (c->period_start_sec > 0)
++ c->media_presentation_duration_sec = c->period_duration_sec;
++ }
++ }
++ node = xmlNextElementSibling(node);
++ }
++ if (!period_node) {
++ av_log(s, AV_LOG_ERROR, "Unable to parse '%s' - missing Period node\n", url);
++ ret = AVERROR_INVALIDDATA;
++ goto cleanup;
++ }
++
++ adaptionset_node = xmlFirstElementChild(period_node);
++ while (adaptionset_node) {
++ if (!xmlStrcmp(adaptionset_node->name, (const xmlChar *)"BaseURL")) {
++ period_baseurl_node = adaptionset_node;
++ } else if (!xmlStrcmp(adaptionset_node->name, (const xmlChar *)"AdaptationSet")) {
++ parse_manifest_adaptationset(s, url, adaptionset_node, mpd_baseurl_node, period_baseurl_node);
++ }
++ adaptionset_node = xmlNextElementSibling(adaptionset_node);
++ }
++ if (c->cur_video) {
++ c->cur_video->rep_count = video_rep_idx;
++ c->cur_video->fix_multiple_stsd_order = 1;
++ av_log(s, AV_LOG_VERBOSE, "rep_idx[%d]\n", (int)c->cur_video->rep_idx);
++ av_log(s, AV_LOG_VERBOSE, "rep_count[%d]\n", (int)video_rep_idx);
++ }
++ if (c->cur_audio) {
++ c->cur_audio->rep_count = audio_rep_idx;
++ }
++
++cleanup:
++ /*free the document */
++ xmlFreeDoc(doc);
++ xmlCleanupParser();
++ } else {
++ av_log(s, AV_LOG_ERROR, "Unable to read to offset '%s'\n", url);
++ ret = AVERROR_INVALIDDATA;
++ }
++
++ av_free(new_url);
++ av_free(buffer);
++ if (close_in) {
++ avio_close(in);
++ }
++ return ret;
++}
++
++static int64_t calc_cur_seg_no(AVFormatContext *s, struct representation *pls)
++{
++ DASHContext *c = pls->parent->priv_data;
++ int64_t num = 0;
++
++ if (c->is_live) {
++ num = pls->first_seq_no + (((get_current_time_in_sec() - c->availability_start_time_sec) - c->presentation_delay_sec) * pls->fragment_timescale) / pls->fragment_duration;
++ } else {
++ num = pls->first_seq_no;
++ }
++ return num;
++}
++
++static int64_t calc_min_seg_no(AVFormatContext *s, struct representation *pls)
++{
++ DASHContext *c = pls->parent->priv_data;
++ int64_t num = 0;
++
++ if (c->is_live) {
++ num = pls->first_seq_no + (((get_current_time_in_sec() - c->availability_start_time_sec) - c->time_shift_buffer_depth_sec) * pls->fragment_timescale) / pls->fragment_duration;
++ } else {
++ num = pls->first_seq_no;
++ }
++ return num;
++}
++
++static int64_t calc_max_seg_no(AVFormatContext *s, struct representation *pls)
++{
++ DASHContext *c = pls->parent->priv_data;
++ int64_t num = 0;
++ int64_t i = 0;
++
++ if (c->is_live) {
++ num = pls->first_seq_no + (((get_current_time_in_sec() - c->availability_start_time_sec)) * pls->fragment_timescale) / pls->fragment_duration;
++ } else {
++ if (pls->n_fragments) {
++ num = pls->first_seq_no + pls->n_fragments - 1;
++ } else if (pls->n_timelines) {
++ num = pls->first_seq_no + pls->n_timelines - 1;
++ for (i = 0; i < pls->n_timelines; ++i) {
++ num += pls->timelines[i]->r;
++ }
++ } else {
++ num = pls->first_seq_no + (c->media_presentation_duration_sec * pls->fragment_timescale) / pls->fragment_duration;
++ }
++ }
++
++ return num;
++}
++
++static int64_t get_fragment_start_time(struct representation *pls, int64_t cur_seq_no)
++{
++ int64_t i = 0;
++ int64_t j = 0;
++ int64_t num = 0;
++ int64_t startTime = 0;
++
++ if (pls->n_timelines) {
++ for (i = 0; i < pls->n_timelines; ++i) {
++ if (pls->timelines[i]->t > 0) {
++ startTime = pls->timelines[i]->t;
++ }
++ if (num == cur_seq_no)
++ goto finish;
++ startTime += pls->timelines[i]->d;
++ for (j = 0; j < pls->timelines[i]->r; ++j) {
++ num++;
++ if (num == cur_seq_no)
++ goto finish;
++ startTime += pls->timelines[i]->d;
++ }
++ num++;
++ }
++ }
++
++finish:
++ return startTime;
++}
++
++static struct fragment *get_current_fragment(struct representation *pls)
++{
++ int64_t tmp_val = 0;
++ int64_t min_seq_no = 0;
++ int64_t max_seq_no = 0;
++ char buffer[1024];
++ char *tmp_str = NULL;
++ struct fragment *seg = NULL;
++ struct fragment *seg_ptr = NULL;
++ DASHContext *c = pls->parent->priv_data;
++
++ if (pls->n_fragments > 0) {
++ if (pls->cur_seq_no < pls->n_fragments) {
++ seg_ptr = pls->fragments[pls->cur_seq_no];
++ seg = av_mallocz(sizeof(struct fragment));
++ if (!seg) {
++ return NULL;
++ }
++ seg->url = av_strdup(seg_ptr->url);
++ if (!seg->url) {
++ av_free(seg);
++ return NULL;
++ }
++ seg->size = seg_ptr->size;
++ seg->url_offset = seg_ptr->url_offset;
++ return seg;
++ }
++ }
++ if (c->is_live) {
++ while (1) {
++ min_seq_no = calc_min_seg_no(pls->parent, pls);
++ max_seq_no = calc_max_seg_no(pls->parent, pls);
++
++ if (pls->cur_seq_no <= min_seq_no) {
++ av_log(pls->parent, AV_LOG_VERBOSE, "old fragment: cur[%"PRId64"] min[%"PRId64"] max[%"PRId64"], playlist %d\n",
++ (int64_t)pls->cur_seq_no, min_seq_no, max_seq_no, (int)pls->rep_idx);
++ pls->cur_seq_no = calc_cur_seg_no(pls->parent, pls);
++ } else if (pls->cur_seq_no > max_seq_no) {
++ av_log(pls->parent, AV_LOG_VERBOSE, "new fragment: min[%"PRId64"] max[%"PRId64"], playlist %d\n",
++ min_seq_no, max_seq_no, (int)pls->rep_idx);
++ av_usleep(1000);
++ continue;
++ }
++ break;
++ }
++ seg = av_mallocz(sizeof(struct fragment));
++ if (!seg) {
++ return NULL;
++ }
++ } else if (pls->cur_seq_no <= pls->last_seq_no) {
++ seg = av_mallocz(sizeof(struct fragment));
++ if (!seg) {
++ return NULL;
++ }
++ }
++ if (seg) {
++ if (pls->tmp_url_type != TMP_URL_TYPE_UNSPECIFIED) {
++ tmp_val = pls->tmp_url_type == TMP_URL_TYPE_NUMBER ? pls->cur_seq_no : get_fragment_start_time(pls, pls->cur_seq_no);
++ if (av_get_frame_filename(buffer, sizeof(buffer), pls->url_template, (int64_t)tmp_val) < 0) {
++ av_log(pls->parent, AV_LOG_ERROR, "Invalid segment filename template %s\n", pls->url_template);
++ return NULL;
++ }
++
++ if (pls->tmp_url_type == TMP_URL_TYPE_NUMBER) {
++ tmp_str = replace_template_str(buffer, "$Number$");
++ } else if (pls->tmp_url_type == TMP_URL_TYPE_TIME) {
++ tmp_str = replace_template_str(buffer, "$Time$");
++ } else {
++ av_log(pls->parent, AV_LOG_ERROR, "Invalid tmp_url_type\n");
++ return NULL;
++ }
++
++ seg->url = av_strdup(tmp_str);
++ if (!seg->url) {
++ av_free(tmp_str);
++ return NULL;
++ }
++ } else {
++ av_log(pls->parent, AV_LOG_ERROR, "Unable to unable to resolve template url '%s'\n", pls->url_template);
++ seg->url = av_strdup(pls->url_template);
++ if (!seg->url) {
++ return NULL;
++ }
++ }
++ seg->size = -1;
++ }
++
++ av_free(tmp_str);
++ return seg;
++}
++
++enum ReadFromURLMode {
++ READ_NORMAL,
++ READ_COMPLETE,
++};
++
++static int read_from_url(struct representation *pls, struct fragment *seg,
++ uint8_t *buf, int buf_size,
++ enum ReadFromURLMode mode)
++{
++ int ret;
++
++ /* limit read if the fragment was only a part of a file */
++ if (seg->size >= 0)
++ buf_size = FFMIN(buf_size, pls->cur_seg_size - pls->cur_seg_offset);
++
++ if (mode == READ_COMPLETE) {
++ ret = avio_read(pls->input, buf, buf_size);
++ if (ret < buf_size) {
++ av_log(pls->parent, AV_LOG_WARNING, "Could not read complete fragment.\n");
++ }
++ } else {
++ ret = avio_read(pls->input, buf, buf_size);
++ }
++ if (ret > 0)
++ pls->cur_seg_offset += ret;
++
++ return ret;
++}
++
++static int open_input(DASHContext *c, struct representation *pls, struct fragment *seg)
++{
++ AVDictionary *opts = NULL;
++ char url[MAX_URL_SIZE];
++ int ret;
++
++ // broker prior HTTP options that should be consistent across requests
++ av_dict_set(&opts, "user-agent", c->user_agent, 0);
++ av_dict_set(&opts, "cookies", c->cookies, 0);
++ av_dict_set(&opts, "headers", c->headers, 0);
++ if (c->is_live) {
++ av_dict_set(&opts, "seekable", "0", 0);
++ }
++
++ if (seg->size >= 0) {
++ /* try to restrict the HTTP request to the part we want
++ * (if this is in fact a HTTP request) */
++ av_dict_set_int(&opts, "offset", seg->url_offset, 0);
++ av_dict_set_int(&opts, "end_offset", seg->url_offset + seg->size, 0);
++ }
++
++ ff_make_absolute_url(url, MAX_URL_SIZE, c->base_url, seg->url);
++ av_log(pls->parent, AV_LOG_VERBOSE, "DASH request for url '%s', offset %"PRId64", playlist %d\n",
++ url, seg->url_offset, pls->rep_idx);
++ ret = open_url(pls->parent, &pls->input, url, c->avio_opts, opts, NULL);
++ if (ret < 0) {
++ goto cleanup;
++ }
++
++ /* Seek to the requested position. If this was a HTTP request, the offset
++ * should already be where want it to, but this allows e.g. local testing
++ * without a HTTP server. */
++ if (!ret && seg->url_offset) {
++ int64_t seekret = avio_seek(pls->input, seg->url_offset, SEEK_SET);
++ if (seekret < 0) {
++ av_log(pls->parent, AV_LOG_ERROR, "Unable to seek to offset %"PRId64" of DASH fragment '%s'\n", seg->url_offset, seg->url);
++ ret = (int) seekret;
++ ff_format_io_close(pls->parent, &pls->input);
++ }
++ }
++
++cleanup:
++ av_dict_free(&opts);
++ pls->cur_seg_offset = 0;
++ pls->cur_seg_size = seg->size;
++ return ret;
++}
++
++static int update_init_section(struct representation *pls)
++{
++ static const int max_init_section_size = 1024*1024;
++ DASHContext *c = pls->parent->priv_data;
++ int64_t sec_size = 0;
++ int64_t urlsize = 0;
++ int ret = 0;
++
++ /* read init section only once per representation */
++ if (!pls->init_section || pls->init_sec_buf) {
++ return 0;
++ }
++
++ ret = open_input(c, pls, pls->init_section);
++ if (ret < 0) {
++ av_log(pls->parent, AV_LOG_WARNING, "Failed to open an initialization section in playlist %d\n", pls->rep_idx);
++ return ret;
++ }
++
++ if (pls->init_section->size >= 0) {
++ sec_size = pls->init_section->size;
++ } else if ((urlsize = avio_size(pls->input)) >= 0) {
++ sec_size = urlsize;
++ } else {
++ sec_size = max_init_section_size;
++ }
++ av_log(pls->parent, AV_LOG_DEBUG, "Downloading an initialization section of size %"PRId64"\n", sec_size);
++ sec_size = FFMIN(sec_size, max_init_section_size);
++ av_fast_malloc(&pls->init_sec_buf, &pls->init_sec_buf_size, sec_size);
++ ret = read_from_url(pls, pls->init_section, pls->init_sec_buf, pls->init_sec_buf_size, READ_COMPLETE);
++ ff_format_io_close(pls->parent, &pls->input);
++ if (ret < 0)
++ return ret;
++
++ if (pls->fix_multiple_stsd_order && pls->rep_idx > 0) {
++ uint8_t **stsd_entries = NULL;
++ int *stsd_entries_size = NULL;
++ int i = 4;
++
++ while (i <= (ret - 4)) {
++ // find start stsd atom
++ if (!memcmp(pls->init_sec_buf + i, "stsd", 4)) {
++ /* 1B version
++ * 3B flags
++ * 4B num of entries */
++ int stsd_first_offset = i + 8;
++ int stsd_offset = 0;
++ int j = 0;
++ uint32_t stsd_count = AV_RB32(pls->init_sec_buf + stsd_first_offset);
++ stsd_first_offset += 4;
++ if (stsd_count != pls->rep_count) {
++ i++;
++ continue;
++ }
++ // find all stsd entries
++ stsd_entries = av_mallocz_array(stsd_count, sizeof(*stsd_entries));
++ stsd_entries_size = av_mallocz_array(stsd_count, sizeof(*stsd_entries_size));
++ for (j = 0; j < stsd_count; ++j) {
++ /* 4B - size
++ * 4B - format */
++ stsd_entries_size[j] = AV_RB32(pls->init_sec_buf + stsd_first_offset + stsd_offset);
++ stsd_entries[j] = av_malloc(stsd_entries_size[j]);
++ memcpy(stsd_entries[j], pls->init_sec_buf + stsd_first_offset + stsd_offset, stsd_entries_size[j]);
++ stsd_offset += stsd_entries_size[j];
++ }
++ // reorder stsd entries
++ // as first put stsd entry for current representation
++ j = pls->rep_idx;
++ stsd_offset = stsd_first_offset;
++ memcpy(pls->init_sec_buf + stsd_offset, stsd_entries[j], stsd_entries_size[j]);
++ stsd_offset += stsd_entries_size[j];
++ for (j = 0; j < stsd_count; ++j) {
++ if (j != pls->rep_idx) {
++ memcpy(pls->init_sec_buf + stsd_offset, stsd_entries[j], stsd_entries_size[j]);
++ stsd_offset += stsd_entries_size[j];
++ }
++ av_free(stsd_entries[j]);
++ }
++ av_freep(&stsd_entries);
++ av_freep(&stsd_entries_size);
++ break;
++ }
++ i++;
++ }
++ }
++
++ av_log(pls->parent, AV_LOG_TRACE, "pls[%p] init section size[%d]\n", pls, (int)ret);
++ pls->init_sec_data_len = ret;
++ pls->init_sec_buf_read_offset = 0;
++
++ return 0;
++}
++
++static int64_t seek_data(void *opaque, int64_t offset, int whence)
++{
++ struct representation *v = opaque;
++ if (v->n_fragments && !v->init_sec_data_len) {
++ return avio_seek(v->input, offset, whence);
++ }
++
++ return AVERROR(ENOSYS);
++}
++
++static int read_data(void *opaque, uint8_t *buf, int buf_size)
++{
++ int ret = 0;
++ struct representation *v = opaque;
++ DASHContext *c = v->parent->priv_data;
++
++restart:
++ if (!v->input) {
++ free_fragment(&v->cur_seg);
++ v->cur_seg = get_current_fragment(v);
++ if (!v->cur_seg) {
++ ret = AVERROR_EOF;
++ goto end;
++ }
++
++ /* load/update Media Initialization Section, if any */
++ ret = update_init_section(v);
++ if (ret)
++ goto end;
++
++ ret = open_input(c, v, v->cur_seg);
++ if (ret < 0) {
++ if (ff_check_interrupt(c->interrupt_callback)) {
++ goto end;
++ ret = AVERROR_EXIT;
++ }
++ av_log(v->parent, AV_LOG_WARNING, "Failed to open fragment of playlist %d\n", v->rep_idx);
++ v->cur_seq_no++;
++ goto restart;
++ }
++ }
++
++ if (v->init_sec_buf_read_offset < v->init_sec_data_len) {
++ /* Push init section out first before first actual fragment */
++ int copy_size = FFMIN(v->init_sec_data_len - v->init_sec_buf_read_offset, buf_size);
++ memcpy(buf, v->init_sec_buf, copy_size);
++ v->init_sec_buf_read_offset += copy_size;
++ ret = copy_size;
++ goto end;
++ }
++
++ /* check the v->cur_seg, if it is null, get current and double check if the new v->cur_seg*/
++ if (!v->cur_seg) {
++ v->cur_seg = get_current_fragment(v);
++ }
++ if (!v->cur_seg) {
++ ret = AVERROR_EOF;
++ goto end;
++ }
++ ret = read_from_url(v, v->cur_seg, buf, buf_size, READ_NORMAL);
++ if (ret > 0)
++ goto end;
++ ff_format_io_close(v->parent, &v->input);
++ v->cur_seq_no++;
++ goto restart;
++
++end:
++ return ret;
++}
++
++static int save_avio_options(AVFormatContext *s)
++{
++ DASHContext *c = s->priv_data;
++ const char *opts[] = { "headers", "user_agent", "user-agent", "cookies", NULL }, **opt = opts;
++ uint8_t *buf = NULL;
++ int ret = 0;
++
++ while (*opt) {
++ if (av_opt_get(s->pb, *opt, AV_OPT_SEARCH_CHILDREN, &buf) >= 0) {
++ if (buf[0] != '\0') {
++ ret = av_dict_set(&c->avio_opts, *opt, buf, AV_DICT_DONT_STRDUP_VAL);
++ if (ret < 0)
++ return ret;
++ }
++ }
++ opt++;
++ }
++
++ return ret;
++}
++
++static int nested_io_open(AVFormatContext *s, AVIOContext **pb, const char *url,
++ int flags, AVDictionary **opts)
++{
++ av_log(s, AV_LOG_ERROR,
++ "A HDS playlist item '%s' referred to an external file '%s'. "
++ "Opening this file was forbidden for security reasons\n",
++ s->filename, url);
++ return AVERROR(EPERM);
++}
++
++static int reopen_demux_for_component(AVFormatContext *s, struct representation *pls)
++{
++ DASHContext *c = s->priv_data;
++ AVInputFormat *in_fmt = NULL;
++ AVDictionary *in_fmt_opts = NULL;
++ uint8_t *avio_ctx_buffer = NULL;
++ int ret = 0;
++
++ if (pls->ctx) {
++ /* note: the internal buffer could have changed, and be != avio_ctx_buffer */
++ av_freep(&pls->pb.buffer);
++ memset(&pls->pb, 0x00, sizeof(AVIOContext));
++ pls->ctx->pb = NULL;
++ avformat_close_input(&pls->ctx);
++ pls->ctx = NULL;
++ }
++ if (!(pls->ctx = avformat_alloc_context())) {
++ ret = AVERROR(ENOMEM);
++ goto fail;
++ }
++
++ avio_ctx_buffer = av_malloc(INITIAL_BUFFER_SIZE);
++ if (!avio_ctx_buffer ) {
++ ret = AVERROR(ENOMEM);
++ avformat_free_context(pls->ctx);
++ pls->ctx = NULL;
++ goto fail;
++ }
++ if (c->is_live) {
++ ffio_init_context(&pls->pb, avio_ctx_buffer , INITIAL_BUFFER_SIZE, 0, pls, read_data, NULL, NULL);
++ } else {
++ ffio_init_context(&pls->pb, avio_ctx_buffer , INITIAL_BUFFER_SIZE, 0, pls, read_data, NULL, seek_data);
++ }
++ pls->pb.seekable = 0;
++
++ if ((ret = ff_copy_whiteblacklists(pls->ctx, s)) < 0)
++ goto fail;
++
++ pls->ctx->flags = AVFMT_FLAG_CUSTOM_IO;
++ pls->ctx->probesize = 1024 * 4;
++ pls->ctx->max_analyze_duration = 4 * AV_TIME_BASE;
++ ret = av_probe_input_buffer(&pls->pb, &in_fmt, "", NULL, 0, 0);
++ if (ret < 0) {
++ av_log(s, AV_LOG_ERROR, "Error when loading first fragment, playlist %d\n", (int)pls->rep_idx);
++ avformat_free_context(pls->ctx);
++ pls->ctx = NULL;
++ goto fail;
++ }
++
++ pls->ctx->pb = &pls->pb;
++ pls->ctx->io_open = nested_io_open;
++
++ // provide additional information from mpd if available
++ ret = avformat_open_input(&pls->ctx, "", in_fmt, &in_fmt_opts); //pls->init_section->url
++ av_dict_free(&in_fmt_opts);
++ if (ret < 0)
++ goto fail;
++ if (pls->n_fragments) {
++ ret = avformat_find_stream_info(pls->ctx, NULL);
++ if (ret < 0)
++ goto fail;
++ }
++
++fail:
++ return ret;
++}
++
++static int open_demux_for_component(AVFormatContext *s, struct representation *pls)
++{
++ int ret = 0;
++ int i;
++
++ pls->parent = s;
++ pls->cur_seq_no = calc_cur_seg_no(s, pls);
++ pls->last_seq_no = calc_max_seg_no(s, pls);
++
++ ret = reopen_demux_for_component(s, pls);
++ if (ret < 0) {
++ goto fail;
++ }
++ for (i = 0; i < pls->ctx->nb_streams; i++) {
++ AVStream *st = avformat_new_stream(s, NULL);
++ AVStream *ist = pls->ctx->streams[i];
++ if (!st) {
++ ret = AVERROR(ENOMEM);
++ goto fail;
++ }
++ st->id = i;
++ avcodec_parameters_copy(st->codecpar, pls->ctx->streams[i]->codecpar);
++ avpriv_set_pts_info(st, ist->pts_wrap_bits, ist->time_base.num, ist->time_base.den);
++ }
++
++ return 0;
++fail:
++ return ret;
++}
++
++static int dash_read_header(AVFormatContext *s)
++{
++ void *u = (s->flags & AVFMT_FLAG_CUSTOM_IO) ? NULL : s->pb;
++ DASHContext *c = s->priv_data;
++ int ret = 0;
++ int stream_index = 0;
++
++ c->interrupt_callback = &s->interrupt_callback;
++ // if the URL context is good, read important options we must broker later
++ if (u) {
++ update_options(&c->user_agent, "user-agent", u);
++ update_options(&c->cookies, "cookies", u);
++ update_options(&c->headers, "headers", u);
++ }
++
++ if ((ret = parse_manifest(s, s->filename, s->pb)) < 0)
++ goto fail;
++
++ if ((ret = save_avio_options(s)) < 0)
++ goto fail;
++
++ /* If this isn't a live stream, fill the total duration of the
++ * stream. */
++ if (!c->is_live) {
++ s->duration = (int64_t) c->media_presentation_duration_sec * AV_TIME_BASE;
++ }
++
++ /* Open the demuxer for curent video and current audio components if available */
++ if (!ret && c->cur_video) {
++ ret = open_demux_for_component(s, c->cur_video);
++ if (!ret) {
++ c->cur_video->stream_index = stream_index;
++ ++stream_index;
++ } else {
++ free_representation(c->cur_video);
++ c->cur_video = NULL;
++ }
++ }
++
++ if (!ret && c->cur_audio) {
++ ret = open_demux_for_component(s, c->cur_audio);
++ if (!ret) {
++ c->cur_audio->stream_index = stream_index;
++ ++stream_index;
++ } else {
++ free_representation(c->cur_audio);
++ c->cur_audio = NULL;
++ }
++ }
++
++ if (!stream_index) {
++ ret = AVERROR_INVALIDDATA;
++ goto fail;
++ }
++
++ /* Create a program */
++ if (!ret) {
++ AVProgram *program;
++ program = av_new_program(s, 0);
++ if (!program) {
++ goto fail;
++ }
++
++ if (c->cur_video) {
++ av_program_add_stream_index(s, 0, c->cur_video->stream_index);
++ }
++
++ if (c->cur_audio) {
++ av_program_add_stream_index(s, 0, c->cur_audio->stream_index);
++ }
++ }
++
++ return 0;
++fail:
++ return ret;
++}
++
++static int dash_read_packet(AVFormatContext *s, AVPacket *pkt)
++{
++ DASHContext *c = s->priv_data;
++ int ret = 0;
++ struct representation *cur = NULL;
++
++ if (!c->cur_audio && !c->cur_video) {
++ return AVERROR_INVALIDDATA;
++ }
++ if (c->cur_audio && !c->cur_video) {
++ cur = c->cur_audio;
++ } else if (!c->cur_audio && c->cur_video) {
++ cur = c->cur_video;
++ } else if (c->cur_video->cur_timestamp < c->cur_audio->cur_timestamp) {
++ cur = c->cur_video;
++ } else {
++ cur = c->cur_audio;
++ }
++
++ if (cur->ctx) {
++ ret = av_read_frame(cur->ctx, &cur->pkt);
++ if (ret < 0) {
++ av_packet_unref(&cur->pkt);
++ } else {
++ /* If we got a packet, return it */
++ *pkt = cur->pkt;
++ cur->cur_timestamp = av_rescale(pkt->pts, (int64_t)cur->ctx->streams[0]->time_base.num * 90000, cur->ctx->streams[0]->time_base.den);
++ pkt->stream_index = cur->stream_index;
++ reset_packet(&cur->pkt);
++ return 0;
++ }
++ }
++ return AVERROR_EOF;
++}
++
++static int dash_close(AVFormatContext *s)
++{
++ DASHContext *c = s->priv_data;
++
++ if (c->cur_audio) {
++ free_representation(c->cur_audio);
++ }
++
++ if (c->cur_video) {
++ free_representation(c->cur_video);
++ }
++
++ av_freep(&c->cookies);
++ av_freep(&c->user_agent);
++ av_dict_free(&c->avio_opts);
++ av_freep(&c->base_url);
++ return 0;
++}
++
++static int dash_seek(AVFormatContext *s, struct representation *pls, int64_t seek_pos_msec, int flags)
++{
++ int ret = 0;
++ int i = 0;
++ int j = 0;
++ int64_t duration = 0;
++
++ av_log(pls->parent, AV_LOG_VERBOSE, "DASH seek pos[%"PRId64"ms], playlist %d\n", seek_pos_msec, pls->rep_idx);
++
++ // single fragment mode
++ if (pls->n_fragments == 1) {
++ pls->cur_timestamp = 0;
++ pls->cur_seg_offset = 0;
++ ff_read_frame_flush(pls->ctx);
++ return av_seek_frame(pls->ctx, -1, seek_pos_msec*1000, flags);
++ }
++
++ if (pls->input)
++ ff_format_io_close(pls->parent, &pls->input);
++
++ // find the nearest fragment
++ if (pls->n_timelines > 0 && pls->fragment_timescale > 0) {
++ int64_t num = pls->first_seq_no;
++ av_log(pls->parent, AV_LOG_VERBOSE, "dash_seek with SegmentTimeline start n_timelines[%d] last_seq_no[%"PRId64"], playlist %d.\n",
++ (int)pls->n_timelines, (int64_t)pls->last_seq_no, (int)pls->rep_idx);
++ for (i = 0; i < pls->n_timelines; i++) {
++ if (pls->timelines[i]->t > 0) {
++ duration = pls->timelines[i]->t;
++ }
++ duration += pls->timelines[i]->d;
++ if (seek_pos_msec < ((duration * 1000) / pls->fragment_timescale)) {
++ goto set_seq_num;
++ }
++ for (j = 0; j < pls->timelines[i]->r; j++) {
++ duration += pls->timelines[i]->d;
++ num++;
++ if (seek_pos_msec < ((duration * 1000) / pls->fragment_timescale)) {
++ goto set_seq_num;
++ }
++ }
++ num++;
++ }
++
++set_seq_num:
++ pls->cur_seq_no = num > pls->last_seq_no ? pls->last_seq_no : num;
++ av_log(pls->parent, AV_LOG_VERBOSE, "dash_seek with SegmentTimeline end cur_seq_no[%"PRId64"], playlist %d.\n",
++ (int64_t)pls->cur_seq_no, (int)pls->rep_idx);
++ } else if (pls->fragment_duration > 0) {
++ pls->cur_seq_no = pls->first_seq_no + ((seek_pos_msec * pls->fragment_timescale) / pls->fragment_duration) / 1000;
++ } else {
++ av_log(pls->parent, AV_LOG_ERROR, "dash_seek missing fragment_duration\n");
++ pls->cur_seq_no = pls->first_seq_no;
++ }
++ pls->cur_timestamp = 0;
++ pls->cur_seg_offset = 0;
++ pls->init_sec_buf_read_offset = 0;
++ ret = reopen_demux_for_component(s, pls);
++
++ return ret;
++}
++
++static int dash_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
++{
++ int ret = 0;
++ DASHContext *c = s->priv_data;
++ int64_t seek_pos_msec = av_rescale_rnd(timestamp, 1000,
++ s->streams[stream_index]->time_base.den,
++ flags & AVSEEK_FLAG_BACKWARD ?
++ AV_ROUND_DOWN : AV_ROUND_UP);
++ if ((flags & AVSEEK_FLAG_BYTE) || c->is_live)
++ return AVERROR(ENOSYS);
++ if (c->cur_audio) {
++ ret = dash_seek(s, c->cur_audio, seek_pos_msec, flags);
++ }
++ if (!ret && c->cur_video) {
++ ret = dash_seek(s, c->cur_video, seek_pos_msec, flags);
++ }
++ return ret;
++}
++
++static int dash_probe(AVProbeData *p)
++{
++ if (!av_stristr(p->buf, "<MPD"))
++ return 0;
++
++ if (av_stristr(p->buf, "dash:profile:isoff-on-demand:2011") ||
++ av_stristr(p->buf, "dash:profile:isoff-live:2011") ||
++ av_stristr(p->buf, "dash:profile:isoff-live:2012") ||
++ av_stristr(p->buf, "dash:profile:isoff-main:2011")) {
++ return AVPROBE_SCORE_MAX;
++ }
++ if (av_stristr(p->buf, "dash:profile")) {
++ return AVPROBE_SCORE_MAX >> 1;
++ }
++
++ return 0;
++}
++
++#define OFFSET(x) offsetof(DASHContext, x)
++#define FLAGS AV_OPT_FLAG_DECODING_PARAM
++static const AVOption dash_options[] = {
++ {NULL}
++};
++
++static const AVClass dash_class = {
++ .class_name = "dash",
++ .item_name = av_default_item_name,
++ .option = dash_options,
++ .version = LIBAVUTIL_VERSION_INT,
++};
++
++AVInputFormat ff_dash_demuxer = {
++ .name = "dash",
++ .long_name = NULL_IF_CONFIG_SMALL("Dynamic Adaptive Streaming over HTTP"),
++ .priv_class = &dash_class,
++ .priv_data_size = sizeof(DASHContext),
++ .read_probe = dash_probe,
++ .read_header = dash_read_header,
++ .read_packet = dash_read_packet,
++ .read_close = dash_close,
++ .read_seek = dash_read_seek,
++ .flags = AVFMT_NO_BYTE_SEEK,
++};
+--- a/libavformat/Makefile 2018-11-18 01:58:00.000000000 +0100
++++ b/libavformat/Makefile 2023-02-14 20:19:47.774726060 +0100
+@@ -134,6 +134,7 @@
+ OBJS-$(CONFIG_DATA_DEMUXER) += rawdec.o
+ OBJS-$(CONFIG_DATA_MUXER) += rawenc.o
+ OBJS-$(CONFIG_DASH_MUXER) += dashenc.o
++OBJS-$(CONFIG_DASH_DEMUXER) += dashdec.o
+ OBJS-$(CONFIG_DAUD_DEMUXER) += dauddec.o
+ OBJS-$(CONFIG_DAUD_MUXER) += daudenc.o
+ OBJS-$(CONFIG_DCSTR_DEMUXER) += dcstr.o
+--- a/libavutil/avstring.c 2018-11-18 01:58:00.000000000 +0100
++++ b/libavutil/avstring.c 2023-02-14 20:19:47.778726097 +0100
+@@ -231,6 +231,29 @@
+ return c1 - c2;
+ }
+
++char *av_strireplace(const char *str, const char *from, const char *to)
++{
++ char *ret = NULL;
++ const char *pstr2, *pstr = str;
++ size_t tolen = strlen(to), fromlen = strlen(from);
++ AVBPrint pbuf;
++
++ av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
++ while ((pstr2 = av_stristr(pstr, from))) {
++ av_bprint_append_data(&pbuf, pstr, pstr2 - pstr);
++ pstr = pstr2 + fromlen;
++ av_bprint_append_data(&pbuf, to, tolen);
++ }
++ av_bprint_append_data(&pbuf, pstr, strlen(pstr));
++ if (!av_bprint_is_complete(&pbuf)) {
++ av_bprint_finalize(&pbuf, NULL);
++ } else {
++ av_bprint_finalize(&pbuf, &ret);
++ }
++
++ return ret;
++}
++
+ const char *av_basename(const char *path)
+ {
+ char *p = strrchr(path, '/');
+--- a/libavutil/avstring.h 2018-11-18 01:58:00.000000000 +0100
++++ b/libavutil/avstring.h 2023-02-14 20:19:47.778726097 +0100
+@@ -67,6 +67,8 @@
+ */
+ char *av_stristr(const char *haystack, const char *needle);
+
++char *av_strireplace(const char *str, const char *from, const char *to);
++
+ /**
+ * Locate the first occurrence of the string needle in the string haystack
+ * where not more than hay_length characters are searched. A zero-length
--- /dev/null
+# reset compressed header flag, fix http 302 request
+--- a/libavformat/http.c 2017-05-04 15:49:41.890902000 +0200
++++ b/libavformat/http.c 2017-07-30 11:30:47.502581448 +0200
+@@ -1248,6 +1248,7 @@
+ s->willclose = 0;
+ s->end_chunked_post = 0;
+ s->end_header = 0;
++ s->compressed = 0;
+ if (post && !s->post_data && !send_expect_100) {
+ /* Pretend that it did work. We didn't read any header yet, since
+ * we've still to send the POST data, but the code calling this
--- /dev/null
+--- a/libavformat/mpegts.c 2016-06-27 02:54:30.000000000 +0300
++++ b/libavformat/mpegts.c 2016-08-20 01:39:36.668873256 +0300
+@@ -904,10 +904,10 @@
+ pes->buffer = NULL;
+ reset_pes_packet_state(pes);
+
+- sd = av_packet_new_side_data(pkt, AV_PKT_DATA_MPEGTS_STREAM_ID, 1);
++ /*sd = av_packet_new_side_data(pkt, AV_PKT_DATA_MPEGTS_STREAM_ID, 1);
+ if (!sd)
+ return AVERROR(ENOMEM);
+- *sd = pes->stream_id;
++ *sd = pes->stream_id;*/
+
+ return 0;
+ }
--- /dev/null
+From 1c7b83f945e710a17a41ad9feb7dc929f26f2b0e Mon Sep 17 00:00:00 2001
+From: Jacek Jendrzej <satbaby@kawaii.com>
+Date: Wed, 28 Jun 2017 11:38:20 +0200
+Subject: [PATCH] fix sps/pps for cooli;This is commit that breaks seek in some
+ mkv.break with commit 6d2219e9f950b96279fd8464cc11c4d02518b629
+
+---
+ libavcodec/h264_mp4toannexb_bsf.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/libavcodec/h264_mp4toannexb_bsf.c b/libavcodec/h264_mp4toannexb_bsf.c
+index 163d0f59ce..c895cf2829 100644
+--- a/libavcodec/h264_mp4toannexb_bsf.c
++++ b/libavcodec/h264_mp4toannexb_bsf.c
+@@ -235,6 +235,11 @@ static int h264_mp4toannexb_filter(AVBSFContext *ctx, AVPacket *out)
+ if (!s->new_idr && unit_type == 5 && (buf[1] & 0x80))
+ s->new_idr = 1;
+
++ if (s->new_idr && unit_type == 6 && s->idr_sps_seen && s->idr_pps_seen){
++ s->idr_sps_seen= 0;
++ s->idr_pps_seen= 0;
++ }
++
+ /* prepend only to the first type 5 NAL unit of an IDR picture, if no sps/pps are already present */
+ if (s->new_idr && unit_type == 5 && !s->idr_sps_seen && !s->idr_pps_seen) {
+ if ((ret=alloc_and_copy(out,
+--
+2.13.2
+
--- /dev/null
+From c6f8769255ec6c4bb4ce02879d2332461ef1e24e Mon Sep 17 00:00:00 2001
+From: Jacek Jendrzej <satbaby@kawaii.com>
+Date: Sat, 12 Aug 2017 17:05:08 +0200
+Subject: [PATCH 7/7] add ASF VC1 Annex-G and RCV bitstream filters. Originally
+ done by Google but modified by us to convert certain VC1 in MKV without
+ startcodes. port fot 3.x
+
+Signed-off-by: Jacek Jendrzej <satbaby@kawaii.com>
+---
+ libavcodec/Makefile | 2 +
+ libavcodec/bitstream_filters.c | 2 +
+ libavcodec/vc1_asftoannexg_bsf.c | 182 +++++++++++++++++++++++++++++++++++++++
+ libavcodec/vc1_asftorcv_bsf.c | 95 ++++++++++++++++++++
+ 4 files changed, 281 insertions(+)
+ create mode 100644 libavcodec/vc1_asftoannexg_bsf.c
+ create mode 100644 libavcodec/vc1_asftorcv_bsf.c
+
+--- a/libavcodec/bitstream_filters.c 2018-11-18 01:58:03.000000000 +0100
++++ b/libavcodec/bitstream_filters.c 2023-02-14 18:26:27.787945035 +0100
+@@ -41,6 +41,8 @@ extern const AVBitStreamFilter ff_noise_
+ extern const AVBitStreamFilter ff_remove_extradata_bsf;
+ extern const AVBitStreamFilter ff_text2movsub_bsf;
+ extern const AVBitStreamFilter ff_vp9_superframe_bsf;
++extern const AVBitStreamFilter ff_vc1_asftoannexg_bsf;
++extern const AVBitStreamFilter ff_vc1_asftorcv_bsf;
+
+ #include "libavcodec/bsf_list.c"
+
+--- a/libavcodec/Makefile 2018-11-18 01:57:59.000000000 +0100
++++ b/libavcodec/Makefile 2023-02-14 18:31:48.627199402 +0100
+@@ -987,6 +987,8 @@ OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF)
+ OBJS-$(CONFIG_NOISE_BSF) += noise_bsf.o
+ OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF) += remove_extradata_bsf.o
+ OBJS-$(CONFIG_TEXT2MOVSUB_BSF) += movsub_bsf.o
++OBJS-$(CONFIG_VC1_ASFTORCV_BSF) += vc1_asftorcv_bsf.o
++OBJS-$(CONFIG_VC1_ASFTOANNEXG_BSF) += vc1_asftoannexg_bsf.o vc1.o
+ OBJS-$(CONFIG_VP9_SUPERFRAME_BSF) += vp9_superframe_bsf.o
+
+ # thread libraries
+--- a/libavcodec/vc1_asftoannexg_bsf.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavcodec/vc1_asftoannexg_bsf.c 2023-02-14 18:21:36.120977196 +0100
+@@ -0,0 +1,182 @@
++/*
++ * copyright (c) 2010 Google Inc.
++ * copyright (c) 2013 CoolStream International Ltd.
++ * copyright (c) 2017 Jacek Jendrzej port to 3.x
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++#include "avcodec.h"
++#include "bytestream.h"
++#include "vc1.h"
++#include "bsf.h"
++
++// An arbitrary limit in bytes greater than the current bytes used.
++#define MAX_SEQ_HEADER_SIZE 50
++
++typedef struct ASFTOANNEXGBSFContext {
++ int frames;
++ uint8_t *seq_header;
++ int seq_header_size;
++ uint8_t *ep_header;
++ int ep_header_size;
++} ASFTOANNEXGBSFContext;
++
++static int find_codec_data(ASFTOANNEXGBSFContext *ctx, uint8_t *data, int data_size, int keyframe) {
++ const uint8_t *start = data;
++ const uint8_t *end = data + data_size;
++ const uint8_t *next;
++ int size;
++ int has_seq_header = 0;
++ int has_ep_header = 0;
++ int has_frame_header = 0;
++
++ start = find_next_marker(start, end);
++ next = start;
++ for(; next < end; start = next){
++ next = find_next_marker(start + 4, end);
++ size = next - start;
++ if(size <= 0) continue;
++ switch(AV_RB32(start)){
++ case VC1_CODE_SEQHDR:
++ has_seq_header = 1;
++ break;
++ case VC1_CODE_ENTRYPOINT:
++ has_ep_header = 1;
++ break;
++ case VC1_CODE_FRAME:
++ has_frame_header = 1;
++ break;
++ default:
++ break;
++ }
++ }
++
++ if((has_seq_header && has_ep_header && has_frame_header && keyframe) ||
++ (!has_seq_header && !has_ep_header && has_frame_header) ) return 0;
++
++ return -1;
++}
++
++static int parse_extradata(ASFTOANNEXGBSFContext *ctx, uint8_t *extradata, int extradata_size) {
++ const uint8_t *start = extradata;
++ const uint8_t *end = extradata + extradata_size;
++ const uint8_t *next;
++ int size;
++
++ start = find_next_marker(start, end);
++ next = start;
++ for(; next < end; start = next){
++ next = find_next_marker(start + 4, end);
++ size = next - start;
++ if(size <= 0) continue;
++ switch(AV_RB32(start)){
++ case VC1_CODE_SEQHDR:
++ ctx->seq_header = av_mallocz(size);
++ ctx->seq_header_size = size;
++ memcpy(ctx->seq_header, start, size);
++ break;
++ case VC1_CODE_ENTRYPOINT:
++ ctx->ep_header = av_malloc(size);
++ ctx->ep_header_size = size;
++ memcpy(ctx->ep_header, start, size);
++ break;
++ default:
++ break;
++ }
++ }
++
++ if(!ctx->seq_header || !ctx->ep_header) {
++ av_log(NULL, AV_LOG_ERROR, "Incomplete extradata\n");
++ return -1;
++ }
++ return 0;
++}
++
++static int asftoannexg_filter(AVBSFContext *ctx, AVPacket *out)
++{
++ ASFTOANNEXGBSFContext* bsfctx = ctx->priv_data;
++ AVPacket *in;
++ int keyframe = 0;
++ int ret = 0;
++ uint8_t* bs = NULL;
++
++ ret = ff_bsf_get_packet(ctx, &in);
++ if (ret < 0)
++ return ret;
++
++ keyframe = in->flags & AV_PKT_FLAG_KEY;
++ if(in->size >= 1 && !find_codec_data(bsfctx, in->data, in->size, keyframe)) {
++// av_log(NULL, AV_LOG_INFO, "Nothing to do: %i\n",in->size);
++ out->data = in->data;
++ out->size = in->size;
++ return 0;
++ }
++
++ if(!ctx->par_in->extradata || ctx->par_in->extradata_size < 16) {
++ av_log(NULL, AV_LOG_INFO, "Extradata size too small: %i\n", ctx->par_in->extradata_size);
++ out->data = in->data;
++ out->size = in->size;
++ return 0;
++ }
++
++ if (!bsfctx->frames && parse_extradata(bsfctx, ctx->par_in->extradata , ctx->par_in->extradata_size ) < 0) {
++ av_freep(in);
++ av_log(NULL, AV_LOG_ERROR, "Cannot parse extra data!\n");
++ return -1;
++ }
++
++ if (keyframe) {
++ // If this is the keyframe, need to put sequence header and entry point header.
++ out->size = bsfctx->seq_header_size + bsfctx->ep_header_size + 4 + in->size;
++ out->data = av_malloc(out->size);
++ bs = out->data;
++
++ memcpy(bs, bsfctx->seq_header, bsfctx->seq_header_size);
++ bs += bsfctx->seq_header_size;
++ memcpy(bs, bsfctx->ep_header, bsfctx->ep_header_size);
++ bs += bsfctx->ep_header_size;
++ } else {
++ out->size = 4 + in->size;
++ out->data = av_malloc(out->size);
++ bs = out->data;
++ }
++
++ // Put the frame start code and frame data.
++ bytestream_put_be32(&bs, VC1_CODE_FRAME);
++ memcpy(bs, in->data, in->size);
++ ++bsfctx->frames;
++ return 1;
++
++ }
++
++static void asftoannexg_close(AVBSFContext *bsfc) {
++ ASFTOANNEXGBSFContext *bsfctx = bsfc->priv_data;
++ av_freep(&bsfctx->seq_header);
++ av_freep(&bsfctx->ep_header);
++}
++
++static const enum AVCodecID codec_ids[] = {
++ AV_CODEC_ID_VC1, AV_CODEC_ID_NONE,
++};
++
++AVBitStreamFilter ff_vc1_asftoannexg_bsf = {
++ .name = "vc1_asftoannexg",
++ .priv_data_size = sizeof(ASFTOANNEXGBSFContext),
++ .filter = asftoannexg_filter,
++ .close = asftoannexg_close,
++ .codec_ids = codec_ids
++};
+--- a/libavcodec/vc1_asftorcv_bsf.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libavcodec/vc1_asftorcv_bsf.c 2023-02-14 18:21:36.120977196 +0100
+@@ -0,0 +1,95 @@
++/*
++ * copyright (c) 2010 Google Inc.
++ * copyright (c) 2017 Jacek Jendrzej port to 3.x
++ * This file is part of FFmpeg.
++ *
++ * FFmpeg is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU Lesser General Public
++ * License as published by the Free Software Foundation; either
++ * version 2.1 of the License, or (at your option) any later version.
++ *
++ * FFmpeg is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * Lesser General Public License for more details.
++ *
++ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++
++#include "avcodec.h"
++#include "bytestream.h"
++#include "bsf.h"
++
++#define RCV_STREAM_HEADER_SIZE 36
++#define RCV_PICTURE_HEADER_SIZE 8
++
++typedef struct ASFTORCVBSFContext {
++ int frames;
++} ASFTORCVBSFContext;
++
++static int asftorcv_filter(AVBSFContext *ctx, AVPacket *out){
++ ASFTORCVBSFContext* bsfctx = ctx->priv_data;
++ AVPacket *in;
++ int keyframe = 0;
++ int ret = 0;
++ uint8_t* bs = NULL;
++
++ ret = ff_bsf_get_packet(ctx, &in);
++ if (ret < 0)
++ return ret;
++
++ keyframe = in->flags & AV_PKT_FLAG_KEY;
++
++ if (!bsfctx->frames) {
++ // Write the header if this is the first frame.
++ out->data = av_malloc(RCV_STREAM_HEADER_SIZE + RCV_PICTURE_HEADER_SIZE + in->size);
++ out->size = RCV_STREAM_HEADER_SIZE + RCV_PICTURE_HEADER_SIZE + in->size;
++ bs = out->data;
++
++ // The following structure of stream header comes from libavformat/vc1testenc.c.
++ bytestream_put_le24(&bs, 0); // Frame count. 0 for streaming.
++ bytestream_put_byte(&bs, 0xC5);
++ bytestream_put_le32(&bs, 4); // 4 bytes of extra data.
++ bytestream_put_byte(&bs, ctx->par_in->extradata[0]);
++ bytestream_put_byte(&bs, ctx->par_in->extradata[1]);
++ bytestream_put_byte(&bs, ctx->par_in->extradata[2]);
++ bytestream_put_byte(&bs, ctx->par_in->extradata[3]);
++ bytestream_put_le32(&bs, ctx->par_in->height);
++ bytestream_put_le32(&bs, ctx->par_in->width);
++ bytestream_put_le32(&bs, 0xC);
++ bytestream_put_le24(&bs, 0); // hrd_buffer
++ bytestream_put_byte(&bs, 0x80); // level|cbr|res1
++ bytestream_put_le32(&bs, 0); // hrd_rate
++
++ // The following LE32 describes the frame rate. Since we don't care so fill
++ // it with 0xFFFFFFFF which means variable framerate.
++ // See: libavformat/vc1testenc.c
++ bytestream_put_le32(&bs, 0xFFFFFFFF);
++ } else {
++ out->data = av_malloc(RCV_PICTURE_HEADER_SIZE + in->size);
++ out->size = RCV_PICTURE_HEADER_SIZE + in->size;
++ bs = out->data;
++ }
++
++ // Write the picture header.
++ bytestream_put_le32(&bs, in->size | (keyframe ? 0x80000000 : 0));
++
++ // The following LE32 describes the pts. Since we don't care so fill it with 0.
++ bytestream_put_le32(&bs, 0);
++ memcpy(bs, in->data, in->size);
++
++ ++bsfctx->frames;
++ return 0;
++}
++
++static const enum AVCodecID codec_ids[] = {
++ AV_CODEC_ID_WMV3, AV_CODEC_ID_NONE,
++};
++
++AVBitStreamFilter ff_vc1_asftorcv_bsf = {
++ .name = "vc1_asftorcv",
++ .priv_data_size = sizeof(ASFTORCVBSFContext),
++ .filter = asftorcv_filter
++};
+
+--
+2.14.1
+
--- /dev/null
+--- ffmpeg-3.2.2/configure
++++ ffmpeg-3.2.2/configure
+@@ -3033,10 +3033,8 @@
+ # protocols
+ async_protocol_deps="threads"
+ bluray_protocol_deps="libbluray"
+-ffrtmpcrypt_protocol_deps="!librtmp_protocol"
+ ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
+ ffrtmpcrypt_protocol_select="tcp_protocol"
+-ffrtmphttp_protocol_deps="!librtmp_protocol"
+ ffrtmphttp_protocol_select="http_protocol"
+ ftp_protocol_select="tcp_protocol"
+ gopher_protocol_select="network"
+@@ -3053,14 +3051,12 @@
+ libssh_protocol_deps="libssh"
+ mmsh_protocol_select="http_protocol"
+ mmst_protocol_select="network"
+-rtmp_protocol_deps="!librtmp_protocol"
+-rtmp_protocol_select="tcp_protocol"
+-rtmpe_protocol_select="ffrtmpcrypt_protocol"
+-rtmps_protocol_deps="!librtmp_protocol"
+-rtmps_protocol_select="tls_protocol"
+-rtmpt_protocol_select="ffrtmphttp_protocol"
+-rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
+-rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
++ffrtmp_protocol_select="tcp_protocol"
++ffrtmpe_protocol_select="ffrtmpcrypt_protocol"
++ffrtmps_protocol_select="tls_protocol"
++ffrtmpt_protocol_select="ffrtmphttp_protocol"
++ffrtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
++ffrtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
+ rtp_protocol_select="udp_protocol"
+ sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
+ sctp_protocol_select="network"
+--- ffmpeg-3.2.2/libavformat/rtmpproto.c
++++ ffmpeg-3.2.2/libavformat/rtmpproto.c
+@@ -2612,7 +2612,7 @@
+ static int rtmp_open(URLContext *s, const char *uri, int flags, AVDictionary **opts)
+ {
+ RTMPContext *rt = s->priv_data;
+- char proto[8], hostname[256], path[1024], auth[100], *fname;
++ char *proto, tmpProto[10], hostname[256], path[1024], auth[100], *fname;
+ char *old_app, *qmark, *n, fname_buffer[1024];
+ uint8_t buf[2048];
+ int port;
+@@ -2623,7 +2623,7 @@
+
+ rt->is_input = !(flags & AVIO_FLAG_WRITE);
+
+- av_url_split(proto, sizeof(proto), auth, sizeof(auth),
++ memset(tmpProto, 0, sizeof(tmpProto)); proto = &tmpProto[2]; av_url_split(tmpProto, sizeof(tmpProto), auth, sizeof(auth),
+ hostname, sizeof(hostname), &port,
+ path, sizeof(path), s->filename);
+
+@@ -3157,9 +3157,9 @@
+ };
+
+
+-RTMP_PROTOCOL(rtmp)
+-RTMP_PROTOCOL(rtmpe)
+-RTMP_PROTOCOL(rtmps)
+-RTMP_PROTOCOL(rtmpt)
+-RTMP_PROTOCOL(rtmpte)
+-RTMP_PROTOCOL(rtmpts)
++RTMP_PROTOCOL(ffrtmp)
++RTMP_PROTOCOL(ffrtmpe)
++RTMP_PROTOCOL(ffrtmps)
++RTMP_PROTOCOL(ffrtmpt)
++RTMP_PROTOCOL(ffrtmpte)
++RTMP_PROTOCOL(ffrtmpts)
+--- a/libavformat/Makefile
++++ b/libavformat/Makefile
+@@ -566,12 +566,12 @@
+ OBJS-$(CONFIG_MMST_PROTOCOL) += mmst.o mms.o asf.o
+ OBJS-$(CONFIG_PIPE_PROTOCOL) += file.o
+ OBJS-$(CONFIG_PROMPEG_PROTOCOL) += prompeg.o
+-OBJS-$(CONFIG_RTMP_PROTOCOL) += rtmpproto.o rtmppkt.o
+-OBJS-$(CONFIG_RTMPE_PROTOCOL) += rtmpproto.o rtmppkt.o
+-OBJS-$(CONFIG_RTMPS_PROTOCOL) += rtmpproto.o rtmppkt.o
+-OBJS-$(CONFIG_RTMPT_PROTOCOL) += rtmpproto.o rtmppkt.o
+-OBJS-$(CONFIG_RTMPTE_PROTOCOL) += rtmpproto.o rtmppkt.o
+-OBJS-$(CONFIG_RTMPTS_PROTOCOL) += rtmpproto.o rtmppkt.o
++OBJS-$(CONFIG_FFRTMP_PROTOCOL) += rtmpproto.o rtmppkt.o
++OBJS-$(CONFIG_FFRTMPE_PROTOCOL) += rtmpproto.o rtmppkt.o
++OBJS-$(CONFIG_FFRTMPS_PROTOCOL) += rtmpproto.o rtmppkt.o
++OBJS-$(CONFIG_FFRTMPT_PROTOCOL) += rtmpproto.o rtmppkt.o
++OBJS-$(CONFIG_FFRTMPTE_PROTOCOL) += rtmpproto.o rtmppkt.o
++OBJS-$(CONFIG_FFRTMPTS_PROTOCOL) += rtmpproto.o rtmppkt.o
+ OBJS-$(CONFIG_RTP_PROTOCOL) += rtpproto.o
+ OBJS-$(CONFIG_SCTP_PROTOCOL) += sctp.o
+ OBJS-$(CONFIG_SRTP_PROTOCOL) += srtpproto.o srtp.o
+--- a/libavformat/protocols.c
++++ b/libavformat/protocols.c
+@@ -44,12 +44,12 @@
+ extern const URLProtocol ff_md5_protocol;
+ extern const URLProtocol ff_pipe_protocol;
+ extern const URLProtocol ff_prompeg_protocol;
+-extern const URLProtocol ff_rtmp_protocol;
+-extern const URLProtocol ff_rtmpe_protocol;
+-extern const URLProtocol ff_rtmps_protocol;
+-extern const URLProtocol ff_rtmpt_protocol;
+-extern const URLProtocol ff_rtmpte_protocol;
+-extern const URLProtocol ff_rtmpts_protocol;
++extern const URLProtocol ff_ffrtmp_protocol;
++extern const URLProtocol ff_ffrtmpe_protocol;
++extern const URLProtocol ff_ffrtmps_protocol;
++extern const URLProtocol ff_ffrtmpt_protocol;
++extern const URLProtocol ff_ffrtmpte_protocol;
++extern const URLProtocol ff_ffrtmpts_protocol;
+ extern const URLProtocol ff_rtp_protocol;
+ extern const URLProtocol ff_sctp_protocol;
+ extern const URLProtocol ff_srtp_protocol;
--- /dev/null
+diff -u -pr a/ffmpeg.c b/ffmpeg.c
+--- a/ffmpeg.c 2021-10-02 14:03:12.000000000 +0200
++++ b/ffmpeg.c 2021-11-30 17:52:38.171328331 +0100
+@@ -4332,7 +4332,7 @@ static int process_input(int file_index)
+ if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+ ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+ pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
+- && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
++ && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE && !force_dts_monotonicity) {
+ int64_t delta = pkt_dts - ifile->last_ts;
+ if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
+ delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
+@@ -4360,7 +4360,7 @@ static int process_input(int file_index)
+ if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+ ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+ pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
+- !copy_ts) {
++ !copy_ts && !force_dts_monotonicity) {
+ int64_t delta = pkt_dts - ist->next_dts;
+ if (is->iformat->flags & AVFMT_TS_DISCONT) {
+ if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
+@@ -4395,6 +4395,43 @@ static int process_input(int file_index)
+ if (pkt.dts != AV_NOPTS_VALUE)
+ ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
+
++ if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
++ ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
++ (pkt.pts != AV_NOPTS_VALUE || pkt.dts != AV_NOPTS_VALUE) &&
++ force_dts_monotonicity) {
++ int64_t ff_pts_error = 0;
++ int64_t ff_dts_error = 0;
++ int64_t ff_dts_threshold = av_rescale_q(dts_monotonicity_threshold, AV_TIME_BASE_Q, ist->st->time_base);
++
++ // adjust the incoming packet by the accumulated monotonicity error
++ if (pkt.pts != AV_NOPTS_VALUE) {
++ pkt.pts += ifile->ff_timestamp_monotonicity_offset;
++ if (ist->next_pts != AV_NOPTS_VALUE) {
++ ff_pts_error = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ist->st->time_base) - pkt.pts;
++ }
++ }
++ if (pkt.dts != AV_NOPTS_VALUE) {
++ pkt.dts += ifile->ff_timestamp_monotonicity_offset;
++ if (ist->next_dts != AV_NOPTS_VALUE) {
++ ff_dts_error = av_rescale_q(ist->next_dts, AV_TIME_BASE_Q, ist->st->time_base) - pkt.dts;
++ }
++ }
++
++ if (ff_dts_error > 0 || ff_dts_error < (-ff_dts_threshold) || ff_pts_error < (-ff_dts_threshold)) {
++ if (pkt.dts == AV_NOPTS_VALUE /*|| ist->next_dts != AV_NOPTS_VALUE*/) {
++ pkt.pts += ff_pts_error;
++ ifile->ff_timestamp_monotonicity_offset += ff_pts_error;
++ av_log(is, AV_LOG_INFO, "Incoming PTS error %"PRId64", offsetting subsequent timestamps by %"PRId64" to correct\n", ff_pts_error, ifile->ff_timestamp_monotonicity_offset);
++ }
++ else {
++ pkt.pts += ff_dts_error;
++ pkt.dts += ff_dts_error;
++ ifile->ff_timestamp_monotonicity_offset += ff_dts_error;
++ av_log(is, AV_LOG_INFO, "Incoming DTS error %"PRId64", offsetting subsequent timestamps by %"PRId64" to correct\n", ff_dts_error, ifile->ff_timestamp_monotonicity_offset);
++ }
++ }
++ }
++
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
+ ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
+Nur in _ffmpeg-git-2ba896f: ffmpeg.c.orig.
+Nur in _ffmpeg-git-2ba896f: ffmpeg.c.rej.
+diff -u -pr a/ffmpeg.h b/ffmpeg.h
+--- a/ffmpeg.h 2021-10-02 14:03:12.000000000 +0200
++++ b/ffmpeg.h 2021-11-30 17:47:55.128659787 +0100
+@@ -417,6 +417,10 @@ typedef struct InputFile {
+ int joined; /* the thread has been joined */
+ int thread_queue_size; /* maximum number of queued packets */
+ #endif
++
++ // A value added to inbound timestamps to prevent them from going "backward" in cases such as HLS discontinuities
++ int64_t ff_timestamp_monotonicity_offset;
++
+ } InputFile;
+
+ enum forced_keyframes_const {
+@@ -584,6 +588,9 @@ extern float audio_drift_threshold;
+ extern float dts_delta_threshold;
+ extern float dts_error_threshold;
+
++extern int dts_monotonicity_threshold;
++extern int force_dts_monotonicity;
++
+ extern int audio_volume;
+ extern int audio_sync_method;
+ extern int video_sync_method;
+Nur in _ffmpeg-git-2ba896f: ffmpeg.h.orig.
+diff -u -pr a/ffmpeg_opt.c b/ffmpeg_opt.c
+--- a/ffmpeg_opt.c 2021-10-02 14:03:12.000000000 +0200
++++ b/ffmpeg_opt.c 2021-11-30 17:47:55.128659787 +0100
+@@ -99,6 +99,9 @@ float audio_drift_threshold = 0.1;
+ float dts_delta_threshold = 10;
+ float dts_error_threshold = 3600*30;
+
++int dts_monotonicity_threshold = AV_TIME_BASE;
++int force_dts_monotonicity = 0;
++
+ int audio_volume = 256;
+ int audio_sync_method = 0;
+ int video_sync_method = VSYNC_AUTO;
+@@ -1070,6 +1073,7 @@ static int open_input_file(OptionsContex
+ f->recording_time = o->recording_time;
+ f->input_ts_offset = o->input_ts_offset;
+ f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
++ f->ff_timestamp_monotonicity_offset = 0;
+ f->nb_streams = ic->nb_streams;
+ f->rate_emu = o->rate_emu;
+ f->accurate_seek = o->accurate_seek;
+@@ -3404,6 +3408,10 @@ const OptionDef options[] = {
+ { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(apad) },
+ "audio pad", "" },
++ { "force_dts_monotonicity", OPT_BOOL | OPT_EXPERT, { &force_dts_monotonicity },
++ "correct dts monotonicity errors" },
++ { "dts_monotonicity_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, { &dts_monotonicity_threshold },
++ "dts correction threshold for forward jumps", "microseconds" },
+ { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
+ "timestamp discontinuity delta threshold", "threshold" },
+ { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
+Nur in _ffmpeg-git-2ba896f: ffmpeg_opt.c.orig.
--- /dev/null
+diff --git a/libavutil/log.c b/libavutil/log.c
+index 5948e50467..528eaa728c 100644
+--- a/libavutil/log.c
++++ b/libavutil/log.c
+@@ -53,7 +53,7 @@ static AVMutex mutex = AV_MUTEX_INITIALIZER;
+ #define BACKTRACE_LOGLEVEL AV_LOG_ERROR
+ #endif
+
+-static int av_log_level = AV_LOG_INFO;
++static int av_log_level = AV_LOG_ERROR; // NOT WORKING for libs
+ static int flags;
+
+ #define NB_LEVELS 8
+@@ -366,14 +366,6 @@ static void (*av_log_callback)(void*, int, const char*, va_list) =
+
+ void av_log(void* avcl, int level, const char *fmt, ...)
+ {
+- AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
+- va_list vl;
+- va_start(vl, fmt);
+- if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
+- avc->log_level_offset_offset && level >= AV_LOG_FATAL)
+- level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
+- av_vlog(avcl, level, fmt, vl);
+- va_end(vl);
+ }
+
+ void av_log_once(void* avcl, int initial_level, int subsequent_level, int *state, const char *fmt, ...)
--- /dev/null
+diff --git a/libavformat/avio.c b/libavformat/avio.c
+index 4846bbd8c6..978bf72994 100644
+--- a/libavformat/avio.c
++++ b/libavformat/avio.c
+@@ -180,12 +180,12 @@ int ffurl_connect(URLContext *uc, AVDictionary **options)
+ (uc->protocol_whitelist && !strcmp(uc->protocol_whitelist, e->value)));
+ av_assert0(!(e=av_dict_get(*options, "protocol_blacklist", NULL, 0)) ||
+ (uc->protocol_blacklist && !strcmp(uc->protocol_blacklist, e->value)));
+-
++/*
+ if (uc->protocol_whitelist && av_match_list(uc->prot->name, uc->protocol_whitelist, ',') <= 0) {
+ av_log(uc, AV_LOG_ERROR, "Protocol '%s' not on whitelist '%s'!\n", uc->prot->name, uc->protocol_whitelist);
+ return AVERROR(EINVAL);
+ }
+-
++*/
+ if (uc->protocol_blacklist && av_match_list(uc->prot->name, uc->protocol_blacklist, ',') > 0) {
+ av_log(uc, AV_LOG_ERROR, "Protocol '%s' on blacklist '%s'!\n", uc->prot->name, uc->protocol_blacklist);
+ return AVERROR(EINVAL);
+++ /dev/null
-diff --git a/libavcodec/Makefile b/libavcodec/Makefile
-index c4ec09b1c4..4462d98ff9 100644
---- a/libavcodec/Makefile
-+++ b/libavcodec/Makefile
-@@ -1024,6 +1024,8 @@ OBJS-$(CONFIG_NOISE_BSF) += noise_bsf.o
- OBJS-$(CONFIG_NULL_BSF) += null_bsf.o
- OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF) += remove_extradata_bsf.o
- OBJS-$(CONFIG_TEXT2MOVSUB_BSF) += movsub_bsf.o
-+OBJS-$(CONFIG_VC1_ASFTORCV_BSF) += vc1_asftorcv_bsf.o
-+OBJS-$(CONFIG_VC1_ASFTOANNEXG_BSF) += vc1_asftoannexg_bsf.o vc1.o
- OBJS-$(CONFIG_VP9_RAW_REORDER_BSF) += vp9_raw_reorder_bsf.o
- OBJS-$(CONFIG_VP9_SUPERFRAME_BSF) += vp9_superframe_bsf.o
- OBJS-$(CONFIG_VP9_SUPERFRAME_SPLIT_BSF) += vp9_superframe_split_bsf.o
-diff --git a/libavcodec/bitstream_filters.c b/libavcodec/bitstream_filters.c
-index ace2a1e01f..ac8be8c90b 100644
---- a/libavcodec/bitstream_filters.c
-+++ b/libavcodec/bitstream_filters.c
-@@ -41,6 +41,8 @@ extern const AVBitStreamFilter ff_noise_bsf;
- extern const AVBitStreamFilter ff_null_bsf;
- extern const AVBitStreamFilter ff_remove_extradata_bsf;
- extern const AVBitStreamFilter ff_text2movsub_bsf;
-+extern const AVBitStreamFilter ff_vc1_asftoannexg_bsf;
-+extern const AVBitStreamFilter ff_vc1_asftorcv_bsf;
- extern const AVBitStreamFilter ff_vp9_raw_reorder_bsf;
- extern const AVBitStreamFilter ff_vp9_superframe_bsf;
- extern const AVBitStreamFilter ff_vp9_superframe_split_bsf;
-diff --git a/libavcodec/vc1_asftoannexg_bsf.c b/libavcodec/vc1_asftoannexg_bsf.c
-new file mode 100644
-index 0000000000..ba68346118
---- /dev/null
-+++ b/libavcodec/vc1_asftoannexg_bsf.c
-@@ -0,0 +1,189 @@
-+/*
-+ * copyright (c) 2010 Google Inc.
-+ * copyright (c) 2013 CoolStream International Ltd.
-+ * copyright (c) 2017 Jacek Jendrzej port to 3.x
-+ * This file is part of FFmpeg.
-+ *
-+ * FFmpeg is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU Lesser General Public
-+ * License as published by the Free Software Foundation; either
-+ * version 2.1 of the License, or (at your option) any later version.
-+ *
-+ * FFmpeg is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * Lesser General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU Lesser General Public
-+ * License along with FFmpeg; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-+ */
-+
-+#include "avcodec.h"
-+#include "bytestream.h"
-+#include "vc1.h"
-+#include "bsf.h"
-+
-+// An arbitrary limit in bytes greater than the current bytes used.
-+#define MAX_SEQ_HEADER_SIZE 50
-+
-+typedef struct ASFTOANNEXGBSFContext {
-+ int frames;
-+ uint8_t *seq_header;
-+ int seq_header_size;
-+ uint8_t *ep_header;
-+ int ep_header_size;
-+} ASFTOANNEXGBSFContext;
-+
-+static int find_codec_data(ASFTOANNEXGBSFContext *ctx, uint8_t *data, int data_size, int keyframe) {
-+ const uint8_t *start = data;
-+ const uint8_t *end = data + data_size;
-+ const uint8_t *next;
-+ int size;
-+ int has_seq_header = 0;
-+ int has_ep_header = 0;
-+ int has_frame_header = 0;
-+
-+ start = find_next_marker(start, end);
-+ next = start;
-+ for(; next < end; start = next){
-+ next = find_next_marker(start + 4, end);
-+ size = next - start;
-+ if(size <= 0) continue;
-+ switch(AV_RB32(start)){
-+ case VC1_CODE_SEQHDR:
-+ has_seq_header = 1;
-+ break;
-+ case VC1_CODE_ENTRYPOINT:
-+ has_ep_header = 1;
-+ break;
-+ case VC1_CODE_FRAME:
-+ has_frame_header = 1;
-+ break;
-+ default:
-+ break;
-+ }
-+ }
-+
-+ if((has_seq_header && has_ep_header && has_frame_header && keyframe) ||
-+ (!has_seq_header && !has_ep_header && has_frame_header) ) return 0;
-+
-+ return -1;
-+}
-+
-+static int parse_extradata(ASFTOANNEXGBSFContext *ctx, uint8_t *extradata, int extradata_size) {
-+ const uint8_t *start = extradata;
-+ const uint8_t *end = extradata + extradata_size;
-+ const uint8_t *next;
-+ int size;
-+
-+ start = find_next_marker(start, end);
-+ next = start;
-+ for(; next < end; start = next){
-+ next = find_next_marker(start + 4, end);
-+ size = next - start;
-+ if(size <= 0) continue;
-+ switch(AV_RB32(start)){
-+ case VC1_CODE_SEQHDR:
-+ ctx->seq_header = av_mallocz(size);
-+ ctx->seq_header_size = size;
-+ memcpy(ctx->seq_header, start, size);
-+ break;
-+ case VC1_CODE_ENTRYPOINT:
-+ ctx->ep_header = av_malloc(size);
-+ ctx->ep_header_size = size;
-+ memcpy(ctx->ep_header, start, size);
-+ break;
-+ default:
-+ break;
-+ }
-+ }
-+
-+ if(!ctx->seq_header || !ctx->ep_header) {
-+ av_log(NULL, AV_LOG_ERROR, "Incomplete extradata\n");
-+ return -1;
-+ }
-+ return 0;
-+}
-+
-+static int asftoannexg_filter(AVBSFContext *ctx, AVPacket *out)
-+{
-+ ASFTOANNEXGBSFContext* bsfctx = ctx->priv_data;
-+ AVPacket *in;
-+ int keyframe;
-+ int ret;
-+ uint8_t* bs = NULL;
-+
-+ ret = ff_bsf_get_packet(ctx, &in);
-+ if (ret < 0)
-+ return ret;
-+
-+ keyframe = in->flags & AV_PKT_FLAG_KEY;
-+ if(in->size >= 1 && !find_codec_data(bsfctx, in->data, in->size, keyframe)) {
-+// av_log(NULL, AV_LOG_INFO, "Nothing to do: %i\n",in->size);
-+ av_packet_move_ref(out, in);
-+ av_packet_free(&in);
-+ return 0;
-+ }
-+
-+ if(!ctx->par_in->extradata || ctx->par_in->extradata_size < 16) {
-+ av_log(NULL, AV_LOG_INFO, "Extradata size too small: %i\n", ctx->par_in->extradata_size);
-+ av_packet_move_ref(out, in);
-+ av_packet_free(&in);
-+ return 0;
-+ }
-+
-+ if (!bsfctx->frames && parse_extradata(bsfctx, ctx->par_in->extradata , ctx->par_in->extradata_size) < 0) {
-+ av_packet_free(&in);
-+ av_log(NULL, AV_LOG_ERROR, "Cannot parse extra data!\n");
-+ return -1;
-+ }
-+
-+ if (keyframe) {
-+ // If this is the keyframe, need to put sequence header and entry point header.
-+ ret = av_new_packet(out, bsfctx->seq_header_size + bsfctx->ep_header_size + 4 + in->size);
-+ if (ret < 0)
-+ goto exit;
-+ bs = out->data;
-+
-+ memcpy(bs, bsfctx->seq_header, bsfctx->seq_header_size);
-+ bs += bsfctx->seq_header_size;
-+ memcpy(bs, bsfctx->ep_header, bsfctx->ep_header_size);
-+ bs += bsfctx->ep_header_size;
-+ } else {
-+ ret = av_new_packet(out, 4 + in->size);
-+ if (ret < 0)
-+ goto exit;
-+ bs = out->data;
-+ }
-+
-+ // Put the frame start code and frame data.
-+ bytestream_put_be32(&bs, VC1_CODE_FRAME);
-+ memcpy(bs, in->data, in->size);
-+ ++bsfctx->frames;
-+
-+ ret = av_packet_copy_props(out, in);
-+
-+exit:
-+ av_packet_free(&in);
-+
-+ return ret;
-+}
-+
-+static void asftoannexg_close(AVBSFContext *bsfc) {
-+ ASFTOANNEXGBSFContext *bsfctx = bsfc->priv_data;
-+ av_freep(&bsfctx->seq_header);
-+ av_freep(&bsfctx->ep_header);
-+}
-+
-+static const enum AVCodecID codec_ids[] = {
-+ AV_CODEC_ID_VC1, AV_CODEC_ID_NONE,
-+};
-+
-+AVBitStreamFilter ff_vc1_asftoannexg_bsf = {
-+ .name = "vc1_asftoannexg",
-+ .priv_data_size = sizeof(ASFTOANNEXGBSFContext),
-+ .filter = asftoannexg_filter,
-+ .close = asftoannexg_close,
-+ .codec_ids = codec_ids,
-+};
-diff --git a/libavcodec/vc1_asftorcv_bsf.c b/libavcodec/vc1_asftorcv_bsf.c
-new file mode 100644
-index 0000000000..bdce5b5003
---- /dev/null
-+++ b/libavcodec/vc1_asftorcv_bsf.c
-@@ -0,0 +1,104 @@
-+/*
-+ * copyright (c) 2010 Google Inc.
-+ * copyright (c) 2017 Jacek Jendrzej port to 3.x
-+ * This file is part of FFmpeg.
-+ *
-+ * FFmpeg is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU Lesser General Public
-+ * License as published by the Free Software Foundation; either
-+ * version 2.1 of the License, or (at your option) any later version.
-+ *
-+ * FFmpeg is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * Lesser General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU Lesser General Public
-+ * License along with FFmpeg; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-+ */
-+
-+#include "avcodec.h"
-+#include "bytestream.h"
-+#include "bsf.h"
-+
-+#define RCV_STREAM_HEADER_SIZE 36
-+#define RCV_PICTURE_HEADER_SIZE 8
-+
-+typedef struct ASFTORCVBSFContext {
-+ int frames;
-+} ASFTORCVBSFContext;
-+
-+static int asftorcv_filter(AVBSFContext *ctx, AVPacket *out){
-+ ASFTORCVBSFContext* bsfctx = ctx->priv_data;
-+ AVPacket *in;
-+ int keyframe;
-+ int ret;
-+ uint8_t* bs = NULL;
-+
-+ ret = ff_bsf_get_packet(ctx, &in);
-+ if (ret < 0)
-+ return ret;
-+
-+ keyframe = in->flags & AV_PKT_FLAG_KEY;
-+
-+ if (!bsfctx->frames) {
-+ // Write the header if this is the first frame.
-+ ret = av_new_packet(out, RCV_STREAM_HEADER_SIZE + RCV_PICTURE_HEADER_SIZE + in->size);
-+ if (ret < 0)
-+ goto exit;
-+ bs = out->data;
-+
-+ // The following structure of stream header comes from libavformat/vc1testenc.c.
-+ bytestream_put_le24(&bs, 0); // Frame count. 0 for streaming.
-+ bytestream_put_byte(&bs, 0xC5);
-+ bytestream_put_le32(&bs, 4); // 4 bytes of extra data.
-+ bytestream_put_byte(&bs, ctx->par_in->extradata[0]);
-+ bytestream_put_byte(&bs, ctx->par_in->extradata[1]);
-+ bytestream_put_byte(&bs, ctx->par_in->extradata[2]);
-+ bytestream_put_byte(&bs, ctx->par_in->extradata[3]);
-+ bytestream_put_le32(&bs, ctx->par_in->height);
-+ bytestream_put_le32(&bs, ctx->par_in->width);
-+ bytestream_put_le32(&bs, 0xC);
-+ bytestream_put_le24(&bs, 0); // hrd_buffer
-+ bytestream_put_byte(&bs, 0x80); // level|cbr|res1
-+ bytestream_put_le32(&bs, 0); // hrd_rate
-+
-+ // The following LE32 describes the frame rate. Since we don't care so fill
-+ // it with 0xFFFFFFFF which means variable framerate.
-+ // See: libavformat/vc1testenc.c
-+ bytestream_put_le32(&bs, 0xFFFFFFFF);
-+ } else {
-+ ret = av_new_packet(out, RCV_PICTURE_HEADER_SIZE + in->size);
-+ if (ret < 0)
-+ goto exit;
-+ bs = out->data;
-+ }
-+
-+ // Write the picture header.
-+ bytestream_put_le32(&bs, in->size | (keyframe ? 0x80000000 : 0));
-+
-+ // The following LE32 describes the pts. Since we don't care so fill it with 0.
-+ bytestream_put_le32(&bs, 0);
-+ memcpy(bs, in->data, in->size);
-+
-+ ++bsfctx->frames;
-+
-+ ret = av_packet_copy_props(out, in);
-+
-+exit:
-+ av_packet_free(&in);
-+
-+ return ret;
-+}
-+
-+static const enum AVCodecID codec_ids[] = {
-+ AV_CODEC_ID_WMV3, AV_CODEC_ID_NONE,
-+};
-+
-+AVBitStreamFilter ff_vc1_asftorcv_bsf = {
-+ .name = "vc1_asftorcv",
-+ .priv_data_size = sizeof(ASFTORCVBSFContext),
-+ .filter = asftorcv_filter,
-+ .codec_ids = codec_ids,
-+};
projects / bs-cst-neutrino-hd.git / commitdiff