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remove a branch from an inner loop.

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1% faster flac encoding.

Originally committed as revision 10865 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2007-10-27 13:39:19 +00:00
parent f473666f51
commit 90f0344165
1 changed files with 2 additions and 3 deletions
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5
libavcodec/flacenc.c
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@ -474,16 +474,15 @@ static uint32_t calc_optimal_rice_params(RiceContext *rc, int porder,
uint32_t all_bits;
part = (1 << porder);
all_bits = 0;
all_bits = 4 * part;
cnt = (n >> porder) - pred_order;
for(i=0; i<part; i++) {
if(i == 1) cnt = (n >> porder);
k = find_optimal_param(sums[i], cnt);
rc->params[i] = k;
all_bits += rice_encode_count(sums[i], cnt, k);
cnt = n >> porder;
}
all_bits += (4 * part);
rc->porder = porder;