static int avi_write_trailer(AVFormatContext *s) { AVIContext *avi = s->priv_data; AVIOContext *pb = s->pb; int res = 0; int i, j, n, nb_frames; int64_t file_size; if (pb->seekable) { if (avi->riff_id == 1) { ff_end_tag(pb, avi->movi_list); res = avi_write_idx1(s); ff_end_tag(pb, avi->riff_start); } else { avi_write_ix(s); ff_end_tag(pb, avi->movi_list); ff_end_tag(pb, avi->riff_start); file_size = avio_tell(pb); avio_seek(pb, avi->odml_list - 8, SEEK_SET); ffio_wfourcc(pb, "LIST"); /* Making this AVI OpenDML one */ avio_skip(pb, 16); for (n = nb_frames = 0; n < s->nb_streams; n++) { AVCodecParameters *par = s->streams[n]->codecpar; AVIStream *avist = s->streams[n]->priv_data; if (par->codec_type == AVMEDIA_TYPE_VIDEO) { if (nb_frames < avist->packet_count) nb_frames = avist->packet_count; } else { if (par->codec_id == AV_CODEC_ID_MP2 || par->codec_id == AV_CODEC_ID_MP3) nb_frames += avist->packet_count; } } avio_wl32(pb, nb_frames); avio_seek(pb, file_size, SEEK_SET); avi_write_counters(s, avi->riff_id); } } for (i = 0; i < s->nb_streams; i++) { AVIStream *avist = s->streams[i]->priv_data; for (j = 0; j < avist->indexes.ents_allocated / AVI_INDEX_CLUSTER_SIZE; j++) av_free(avist->indexes.cluster[j]); av_freep(&avist->indexes.cluster); avist->indexes.ents_allocated = avist->indexes.entry = 0; } return res; }