return -1;
}
- if (avctx->extradata && avctx->extradata_size > 0)
- s->version_b = avctx->extradata[0];
+ s->version_b = avctx->extradata && avctx->extradata[3] == 'b';
if (avctx->codec->id == CODEC_ID_BINKAUDIO_RDFT) {
// audio is already interleaved for the RDFT format variant