diff --git a/libavcodec/dca.c b/libavcodec/dca.c index 58f3420586..db794a72fd 100644 --- a/libavcodec/dca.c +++ b/libavcodec/dca.c @@ -1829,11 +1829,8 @@ static int dca_decode_frame(AVCodecContext * avctx, float* back_chan = s->samples + s->channel_order_tab[s->xch_base_channel] * 256; float* lt_chan = s->samples + s->channel_order_tab[s->xch_base_channel - 2] * 256; float* rt_chan = s->samples + s->channel_order_tab[s->xch_base_channel - 1] * 256; - int j; - for(j = 0; j < 256; ++j) { - lt_chan[j] -= back_chan[j] * M_SQRT1_2; - rt_chan[j] -= back_chan[j] * M_SQRT1_2; - } + s->dsp.vector_fmac_scalar(lt_chan, back_chan, -M_SQRT1_2, 256); + s->dsp.vector_fmac_scalar(rt_chan, back_chan, -M_SQRT1_2, 256); } if (avctx->sample_fmt == AV_SAMPLE_FMT_FLT) {