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aacenc: avoid double in quantize_bands.

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I cannot see any point whatsoever to use
double here instead of float, the results
are likely identical in all cases..
Using float allows for much more
efficient use of SIMD.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger
2016-03-01 22:53:18 +01:00
parent 7dd60a0b54
commit 0a04c2885f
1 changed files with 2 additions and 3 deletions
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5
libavcodec/aacenc_utils.h
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@@ -66,10 +66,9 @@ static inline void quantize_bands(int *out, const float *in, const float *scaled
const float rounding) const float rounding)
{ {
int i; int i;
double qc;
for (i = 0; i < size; i++) { for (i = 0; i < size; i++) {
qc = scaled[i] * Q34; float qc = scaled[i] * Q34;
out[i] = (int)FFMIN(qc + rounding, (double)maxval); out[i] = (int)FFMIN(qc + rounding, (float)maxval);
if (is_signed && in[i] < 0.0f) { if (is_signed && in[i] < 0.0f) {
out[i] = -out[i]; out[i] = -out[i];
} }