[FFmpeg-soc] [soc]: r3430 - aacenc/aacenc.c
kostya
subversion at mplayerhq.hu
Mon Aug 18 07:53:06 CEST 2008
Author: kostya
Date: Mon Aug 18 07:53:05 2008
New Revision: 3430
Log:
Get rid of 'start2' variable where possible
Modified:
aacenc/aacenc.c
Modified: aacenc/aacenc.c
==============================================================================
--- aacenc/aacenc.c (original)
+++ aacenc/aacenc.c Mon Aug 18 07:53:05 2008
@@ -360,14 +360,14 @@ static void encode_ms_info(PutBitContext
static int calculate_band_sign_bits(AACEncContext *s, ChannelElement *cpe, int channel,
int win, int group_len, int start, int size)
{
- int bits = 0, start2 = start;
+ int bits = 0;
int i, w;
for(w = win; w < win + group_len; w++){
- for(i = start2; i < start2 + size; i++){
- if(cpe->ch[channel].icoefs[i])
+ for(i = 0; i < size; i++){
+ if(cpe->ch[channel].icoefs[start + i])
bits++;
}
- start2 += 128;
+ start += 128;
}
return bits;
}
@@ -387,21 +387,20 @@ static int calculate_band_bits(AACEncCon
int win, int group_len, int start, int size, int cb)
{
int i, j, w;
- int bits = 0, dim, idx, start2;
+ int bits = 0, dim, idx;
int range = aac_cb_info[cb].range;
if(range == -1) return 0;
cb--;
dim = cb < FIRST_PAIR_BT ? 4 : 2;
- start2 = start;
if(IS_CODEBOOK_UNSIGNED(cb)){
int coef_abs[2];
for(w = win; w < win + group_len; w++){
- for(i = start2; i < start2 + size; i += dim){
+ for(i = 0; i < size; i += dim){
idx = 0;
for(j = 0; j < dim; j++){
- coef_abs[j] = FFABS(cpe->ch[channel].icoefs[i+j]);
+ coef_abs[j] = FFABS(cpe->ch[channel].icoefs[start+i+j]);
idx = idx * range + FFMIN(coef_abs[j], 16);
}
bits += ff_aac_spectral_bits[cb][idx];
@@ -410,19 +409,19 @@ static int calculate_band_bits(AACEncCon
bits += av_log2(coef_abs[j]) * 2 - 4 + 1;
}
}
- start2 += 128;
+ start += 128;
}
}else{
for(w = win; w < win + group_len; w++){
- for(i = start2; i < start2 + size; i += dim){
- idx = cpe->ch[channel].icoefs[i];
+ for(i = 0; i < size; i += dim){
+ idx = cpe->ch[channel].icoefs[start+i];
for(j = 1; j < dim; j++)
- idx = idx * range + cpe->ch[channel].icoefs[i+j];
+ idx = idx * range + cpe->ch[channel].icoefs[start+i+j];
//it turned out that all signed codebooks use the same offset for index coding
idx += 40;
bits += ff_aac_spectral_bits[cb][idx];
}
- start2 += 128;
+ start += 128;
}
}
return bits;
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