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Rename variables to clarify the channel coupling element and corresponding

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target channel element.

Patch by Alex Converse (alex converse gmail com)

Originally committed as revision 15575 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Alex Converse 16 years ago committed by Robert Swain
parent 5c2cb17206
commit fbdae895f2
1 changed files with 9 additions and 9 deletions
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  1. 18
      libavcodec/aac.c

18
libavcodec/aac.c
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@ -1247,11 +1247,11 @@ static void imdct_and_windowing(AACContext * ac, SingleChannelElement * sce) {
* *
* @param index index into coupling gain array * @param index index into coupling gain array
*/ */
static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * sce, ChannelElement * cc, int index) { static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * target, ChannelElement * cce, int index) {
IndividualChannelStream * ics = &cc->ch[0].ics; IndividualChannelStream * ics = &cce->ch[0].ics;
const uint16_t * offsets = ics->swb_offset; const uint16_t * offsets = ics->swb_offset;
float * dest = sce->coeffs; float * dest = target->coeffs;
const float * src = cc->ch[0].coeffs; const float * src = cce->ch[0].coeffs;
int g, i, group, k, idx = 0; int g, i, group, k, idx = 0;
if(ac->m4ac.object_type == AOT_AAC_LTP) { if(ac->m4ac.object_type == AOT_AAC_LTP) {
av_log(ac->avccontext, AV_LOG_ERROR, av_log(ac->avccontext, AV_LOG_ERROR,
@ -1260,11 +1260,11 @@ static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * sce
} }
for (g = 0; g < ics->num_window_groups; g++) { for (g = 0; g < ics->num_window_groups; g++) {
for (i = 0; i < ics->max_sfb; i++, idx++) { for (i = 0; i < ics->max_sfb; i++, idx++) {
if (cc->ch[0].band_type[idx] != ZERO_BT) { if (cce->ch[0].band_type[idx] != ZERO_BT) {
for (group = 0; group < ics->group_len[g]; group++) { for (group = 0; group < ics->group_len[g]; group++) {
for (k = offsets[i]; k < offsets[i+1]; k++) { for (k = offsets[i]; k < offsets[i+1]; k++) {
// XXX dsputil-ize // XXX dsputil-ize
dest[group*128+k] += cc->coup.gain[index][idx] * src[group*128+k]; dest[group*128+k] += cce->coup.gain[index][idx] * src[group*128+k];
} }
} }
} }
@ -1279,10 +1279,10 @@ static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * sce
* *
* @param index index into coupling gain array * @param index index into coupling gain array
*/ */
static void apply_independent_coupling(AACContext * ac, SingleChannelElement * sce, ChannelElement * cc, int index) { static void apply_independent_coupling(AACContext * ac, SingleChannelElement * target, ChannelElement * cce, int index) {
int i; int i;
for (i = 0; i < 1024; i++) for (i = 0; i < 1024; i++)
sce->ret[i] += cc->coup.gain[index][0] * (cc->ch[0].ret[i] - ac->add_bias); target->ret[i] += cce->coup.gain[index][0] * (cce->ch[0].ret[i] - ac->add_bias);
} }
/** /**
@ -1293,7 +1293,7 @@ static void apply_independent_coupling(AACContext * ac, SingleChannelElement * s
*/ */
static void apply_channel_coupling(AACContext * ac, ChannelElement * cc, static void apply_channel_coupling(AACContext * ac, ChannelElement * cc,
enum RawDataBlockType type, int elem_id, enum CouplingPoint coupling_point, enum RawDataBlockType type, int elem_id, enum CouplingPoint coupling_point,
void (*apply_coupling_method)(AACContext * ac, SingleChannelElement * sce, ChannelElement * cc, int index)) void (*apply_coupling_method)(AACContext * ac, SingleChannelElement * target, ChannelElement * cce, int index))
{ {
int i, c; int i, c;

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