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ac3enc: extract all exponents for the frame at once

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This commit is contained in:
Justin Ruggles 2011-06-01 12:40:01 -04:00
parent 594fbe42c6
commit 35d5cb1ab4
1 changed files with 4 additions and 8 deletions
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12
libavcodec/ac3enc.c
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@ -900,15 +900,11 @@ static av_cold void exponent_init(AC3EncodeContext *s)
*/ */
static void extract_exponents(AC3EncodeContext *s) static void extract_exponents(AC3EncodeContext *s)
{ {
int blk, ch; int ch = !s->cpl_on;
int chan_size = AC3_MAX_COEFS * AC3_MAX_BLOCKS * (s->channels - ch + 1);
AC3Block *block = &s->blocks[0];
for (ch = !s->cpl_on; ch <= s->channels; ch++) { s->ac3dsp.extract_exponents(block->exp[ch], block->fixed_coef[ch], chan_size);
for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) {
AC3Block *block = &s->blocks[blk];
s->ac3dsp.extract_exponents(block->exp[ch], block->fixed_coef[ch],
AC3_MAX_COEFS);
}
}
} }