mirror of https://git.ffmpeg.org/ffmpeg.git
libavformat/flvenc: support for codec configuration change mid stream
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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52985768af
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c1f57e2f91
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@ -566,6 +566,19 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
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else
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else
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flags_size = 1;
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flags_size = 1;
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if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264
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|| par->codec_id == AV_CODEC_ID_MPEG4) {
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int side_size = 0;
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uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
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if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
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av_free(par->extradata);
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par->extradata = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
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memcpy(par->extradata, side, side_size);
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par->extradata_size = side_size;
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flv_write_codec_header(s, par);
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}
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}
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if (flv->delay == AV_NOPTS_VALUE)
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if (flv->delay == AV_NOPTS_VALUE)
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flv->delay = -pkt->dts;
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flv->delay = -pkt->dts;
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