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dca: use vector_fmac_scalar from dsputil

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-09-28 14:34:04 +01:00
parent fcca826a63
commit a92a1b93b4
1 changed files with 2 additions and 5 deletions
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7
libavcodec/dca.c
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@ -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) {