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g729: dont force all cpu optims to off but override just the one that doesnt work. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-09-30 03:02:02 +02:00
parent 8045af65d4
commit c329972687
1 changed files with 11 additions and 1 deletions
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12
libavcodec/g729dec.c
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@ -332,6 +332,16 @@ static int16_t g729d_voice_decision(int onset, int prev_voice_decision, const in
return voice_decision;
}
static int32_t scalarproduct_int16_c(const int16_t * v1, const int16_t * v2, int order, int shift)
{
int res = 0;
while (order--)
res += (*v1++ * *v2++) >> shift;
return res;
}
static av_cold int decoder_init(AVCodecContext * avctx)
{
G729Context* ctx = avctx->priv_data;
@ -367,8 +377,8 @@ static av_cold int decoder_init(AVCodecContext * avctx)
for(i=0; i<4; i++)
ctx->quant_energy[i] = -14336; // -14 in (5.10)
avctx->dsp_mask= ~AV_CPU_FLAG_FORCE;
dsputil_init(&ctx->dsp, avctx);
ctx->dsp.scalarproduct_int16 = scalarproduct_int16_c;
return 0;
}