From 9da0594f1d63be980dd8e8a7f7568a051ea39782 Mon Sep 17 00:00:00 2001 From: James Almer Date: Sun, 7 Jan 2024 18:30:57 -0300 Subject: [PATCH] avformat/iamfenc: don't write empty packets And return an error if they are not side data only packets. Signed-off-by: James Almer --- libavformat/iamfenc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavformat/iamfenc.c b/libavformat/iamfenc.c index 1de416b663..a02f84035a 100644 --- a/libavformat/iamfenc.c +++ b/libavformat/iamfenc.c @@ -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);