+
+ if (st->codec->codec_id != AV_CODEC_ID_NONE) {
+ st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
+ st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+
+ av_init_packet(&st->attached_pic);
+ if ((res = av_new_packet(&st->attached_pic, attachments[j].bin.size)) < 0)
+ return res;
+ memcpy(st->attached_pic.data, attachments[j].bin.data, attachments[j].bin.size);
+ st->attached_pic.stream_index = st->index;
+ st->attached_pic.flags |= AV_PKT_FLAG_KEY;
+ } else {
+ st->codec->codec_type = AVMEDIA_TYPE_ATTACHMENT;
+ if (ff_alloc_extradata(st->codec, attachments[j].bin.size))
+ break;
+ memcpy(st->codec->extradata, attachments[j].bin.data,
+ attachments[j].bin.size);
+
+ for (i = 0; ff_mkv_mime_tags[i].id != AV_CODEC_ID_NONE; i++) {
+ if (!strncmp(ff_mkv_mime_tags[i].str, attachments[j].mime,
+ strlen(ff_mkv_mime_tags[i].str))) {
+ st->codec->codec_id = ff_mkv_mime_tags[i].id;
+ break;
+ }
+ }
+ }