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avformat/movenc: always check for new extradata on a packet

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Don't just look at zero sized packets, and also check for AAC extradata
updates, in preparation for the following patches.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2017-04-09 22:05:13 -03:00
parent cfec0d6475
commit f8c73e8753
1 changed files with 18 additions and 16 deletions
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34
libavformat/movenc.c
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@@ -5313,6 +5313,24 @@ static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
}
if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
trk->par->codec_id == AV_CODEC_ID_AAC ||
trk->par->codec_id == AV_CODEC_ID_FLAC) {
int side_size = 0;
uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!newextra)
return AVERROR(ENOMEM);
av_free(par->extradata);
par->extradata = newextra;
memcpy(par->extradata, side, side_size);
par->extradata_size = side_size;
if (!pkt->size) // Flush packet
mov->need_rewrite_extradata = 1;
}
}
if (!pkt->size) {
if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
trk->start_dts = pkt->dts;
@@ -5322,22 +5340,6 @@ static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
trk->start_cts = 0;
}
if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
trk->par->codec_id == AV_CODEC_ID_FLAC) {
int side_size = 0;
uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!newextra)
return AVERROR(ENOMEM);
av_free(par->extradata);
par->extradata = newextra;
memcpy(par->extradata, side, side_size);
par->extradata_size = side_size;
mov->need_rewrite_extradata = 1;
}
}
return 0; /* Discard 0 sized packets */
}