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Rename variables to clarify the channel coupling element and corresponding 

target channel element.

Patch by Alex Converse (alex converse gmail com)

Originally committed as revision 15575 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Converse 2008-10-06 16:22:11 +00:00 committed by Robert Swain
parent 5c2cb17206
commit fbdae895f2
1 changed files with 9 additions and 9 deletions
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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
*/
static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * sce, ChannelElement * cc, int index) {
IndividualChannelStream * ics = &cc->ch[0].ics;
static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * target, ChannelElement * cce, int index) {
IndividualChannelStream * ics = &cce->ch[0].ics;
const uint16_t * offsets = ics->swb_offset;
float * dest = sce->coeffs;
const float * src = cc->ch[0].coeffs;
float * dest = target->coeffs;
const float * src = cce->ch[0].coeffs;
int g, i, group, k, idx = 0;
if(ac->m4ac.object_type == AOT_AAC_LTP) {
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 (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 (k = offsets[i]; k < offsets[i+1]; k++) {
// 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
*/
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;
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,
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;