static int queue_attached_pictures(AVFormatContext *s) { int i; for (i = 0; i < s->nb_streams; i++) if (s->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC && s->streams[i]->discard < AVDISCARD_ALL) { AVPacket copy = s->streams[i]->attached_pic; copy.buf = av_buffer_ref(copy.buf); if (!copy.buf) return AVERROR(ENOMEM); add_to_pktbuf(&s->internal->raw_packet_buffer, &copy, &s->internal->raw_packet_buffer_end); } return 0; }