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mpegaudiodec: use DSPUtil.butterflies_float(). 

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Vitor Sessak 2012-02-29 21:06:13 +01:00 committed by Ronald S. Bultje
parent 841c17177b
commit 9b4cd58611
1 changed files with 7 additions and 0 deletions
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7
libavcodec/mpegaudiodec.c
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@ -29,6 +29,7 @@
#include "get_bits.h"
#include "mathops.h"
#include "mpegaudiodsp.h"
#include "dsputil.h"
/*
* TODO:
@ -80,6 +81,7 @@ typedef struct MPADecodeContext {
int err_recognition;
AVCodecContext* avctx;
MPADSPContext mpadsp;
DSPContext dsp;
AVFrame frame;
} MPADecodeContext;
@ -432,6 +434,7 @@ static av_cold int decode_init(AVCodecContext * avctx)
s->avctx = avctx;
ff_mpadsp_init(&s->mpadsp);
ff_dsputil_init(&s->dsp, avctx);
avctx->sample_fmt= OUT_FMT;
s->err_recognition = avctx->err_recognition;
@ -1153,6 +1156,9 @@ found2:
/* ms stereo ONLY */
/* NOTE: the 1/sqrt(2) normalization factor is included in the
global gain */
#if CONFIG_FLOAT
s-> dsp.butterflies_float(g0->sb_hybrid, g1->sb_hybrid, 576);
#else
tab0 = g0->sb_hybrid;
tab1 = g1->sb_hybrid;
for (i = 0; i < 576; i++) {
@ -1161,6 +1167,7 @@ found2:
tab0[i] = tmp0 + tmp1;
tab1[i] = tmp0 - tmp1;
}
#endif
}
}