-/* MSDN claims that this should be "compatible with the ID3 frame, APIC",
- * but in reality this is only loosely similar */
-static int asf_read_picture(AVFormatContext *s, int len)
-{
- AVPacket pkt = { 0 };
- const CodecMime *mime = ff_id3v2_mime_tags;
- enum AVCodecID id = AV_CODEC_ID_NONE;
- char mimetype[64];
- uint8_t *desc = NULL;
- AVStream *st = NULL;
- int ret, type, picsize, desc_len;
-
- /* type + picsize + mime + desc */
- if (len < 1 + 4 + 2 + 2) {
- av_log(s, AV_LOG_ERROR, "Invalid attached picture size: %d.\n", len);
- return AVERROR_INVALIDDATA;
- }
-
- /* picture type */
- type = avio_r8(s->pb);
- len--;
- if (type >= FF_ARRAY_ELEMS(ff_id3v2_picture_types) || type < 0) {
- av_log(s, AV_LOG_WARNING, "Unknown attached picture type: %d.\n", type);
- type = 0;
- }
-
- /* picture data size */
- picsize = avio_rl32(s->pb);
- len -= 4;
-
- /* picture MIME type */
- len -= avio_get_str16le(s->pb, len, mimetype, sizeof(mimetype));
- while (mime->id != AV_CODEC_ID_NONE) {
- if (!strncmp(mime->str, mimetype, sizeof(mimetype))) {
- id = mime->id;
- break;
- }
- mime++;
- }
- if (id == AV_CODEC_ID_NONE) {
- av_log(s, AV_LOG_ERROR, "Unknown attached picture mimetype: %s.\n",
- mimetype);
- return 0;
- }
-
- if (picsize >= len) {
- av_log(s, AV_LOG_ERROR, "Invalid attached picture data size: %d >= %d.\n",
- picsize, len);
- return AVERROR_INVALIDDATA;
- }
-
- /* picture description */
- desc_len = (len - picsize) * 2 + 1;
- desc = av_malloc(desc_len);
- if (!desc)
- return AVERROR(ENOMEM);
- len -= avio_get_str16le(s->pb, len - picsize, desc, desc_len);
-
- ret = av_get_packet(s->pb, &pkt, picsize);
- if (ret < 0)
- goto fail;
-
- st = avformat_new_stream(s, NULL);
- if (!st) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
- st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
- st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
- st->codecpar->codec_id = id;
- st->attached_pic = pkt;
- st->attached_pic.stream_index = st->index;
- st->attached_pic.flags |= AV_PKT_FLAG_KEY;
-
- if (*desc)
- av_dict_set(&st->metadata, "title", desc, AV_DICT_DONT_STRDUP_VAL);
- else
- av_freep(&desc);
-
- av_dict_set(&st->metadata, "comment", ff_id3v2_picture_types[type], 0);
-
- return 0;
-
-fail:
- av_freep(&desc);
- av_packet_unref(&pkt);
- return ret;
-}
-
-static void get_id3_tag(AVFormatContext *s, int len)
-{
- ID3v2ExtraMeta *id3v2_extra_meta = NULL;
-
- ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, len);
- if (id3v2_extra_meta) {
- ff_id3v2_parse_apic(s, &id3v2_extra_meta);
- ff_id3v2_parse_chapters(s, &id3v2_extra_meta);
- }
- ff_id3v2_free_extra_meta(&id3v2_extra_meta);
-}
-