+ case MKTAG('A','P','C','M'): /* XA ADPCM compressed sound chunk */
+ st->codecpar->codec_id = AV_CODEC_ID_ADPCM_XA;
+ aiff->data_end = avio_tell(pb) + size;
+ offset = avio_tell(pb) + 8;
+ /* This field is unknown and its data seems to be irrelevant */
+ avio_rb32(pb);
+ st->codecpar->block_align = avio_rb32(pb);
+
+ goto got_sound;
+ break;