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Code Issues Releases Activity

avformat/dashenc: update stream extradata from packet side data

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codecpar->extradata is not going to change between packets. New extradata
is instead propagated using packet side data.

Use ff_alloc_extradata() as well.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2019-07-30 15:08:36 -03:00
parent 9a44ec9410
commit ce6a98e830
1 changed files with 12 additions and 11 deletions
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23
libavformat/dashenc.c
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@ -1454,23 +1454,24 @@ static void find_index_range(AVFormatContext *s, const char *full_path,
}
static int update_stream_extradata(AVFormatContext *s, OutputStream *os,
AVCodecParameters *par,
AVRational *frame_rate)
AVPacket *pkt, AVRational *frame_rate)
{
AVCodecParameters *par = os->ctx->streams[0]->codecpar;
uint8_t *extradata;
int ret, extradata_size;
if (os->ctx->streams[0]->codecpar->extradata_size || !par->extradata_size)
if (par->extradata_size)
return 0;
extradata = av_malloc(par->extradata_size);
extradata = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &extradata_size);
if (!extradata_size)
return 0;
if (!extradata)
return AVERROR(ENOMEM);
ret = ff_alloc_extradata(par, extradata_size);
if (ret < 0)
return ret;
memcpy(extradata, par->extradata, par->extradata_size);
os->ctx->streams[0]->codecpar->extradata = extradata;
os->ctx->streams[0]->codecpar->extradata_size = par->extradata_size;
memcpy(par->extradata, extradata, extradata_size);
set_codec_str(s, par, frame_rate, os->codec_str, sizeof(os->codec_str));
@ -1687,7 +1688,7 @@ static int dash_write_packet(AVFormatContext *s, AVPacket *pkt)
int64_t seg_end_duration, elapsed_duration;
int ret;
ret = update_stream_extradata(s, os, st->codecpar, &st->avg_frame_rate);
ret = update_stream_extradata(s, os, pkt, &st->avg_frame_rate);
if (ret < 0)
return ret;