return (frame_bytes - 4) * 2 / ch;
case AV_CODEC_ID_ADPCM_IMA_AMV:
return (frame_bytes - 8) * 2 / ch;
+ case AV_CODEC_ID_ADPCM_THP:
+ if (avctx->extradata)
+ return frame_bytes * 14 / (8 * ch);
+ break;
case AV_CODEC_ID_ADPCM_XA:
return (frame_bytes / 128) * 224 / ch;
case AV_CODEC_ID_INTERPLAY_DPCM: