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avformat/iamfenc: don't write empty packets

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And return an error if they are not side data only packets.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-01-07 18:30:57 -03:00
parent 3423a680bf
commit 9da0594f1d
1 changed files with 10 additions and 0 deletions
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10
libavformat/iamfenc.c
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@ -278,6 +278,16 @@ static int iamf_write_packet(AVFormatContext *s, AVPacket *pkt)
int dyn_size, type = st->id <= 17 ? st->id + IAMF_OBU_IA_AUDIO_FRAME_ID0 : IAMF_OBU_IA_AUDIO_FRAME;
int ret;
if (!pkt->size) {
uint8_t *new_extradata = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, NULL);
if (!new_extradata)
return AVERROR_INVALIDDATA;
// TODO: update FLAC Streaminfo on seekable output
return 0;
}
if (s->nb_stream_groups && st->id == c->first_stream_id) {
AVIAMFParamDefinition *mix =
(AVIAMFParamDefinition *)av_packet_get_side_data(pkt, AV_PKT_DATA_IAMF_MIX_GAIN_PARAM, NULL);