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author | Alex Converse <alex.converse@gmail.com> | 2009-03-05 23:10:22 +0000 |
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committer | Alex Converse <alex.converse@gmail.com> | 2009-03-05 23:10:22 +0000 |
commit | cfd937b081adfa122e3f814b928c9ea0ada7f4f0 (patch) | |
tree | f42b3c3c2222c2c6df87baabc4b4bf19c46ebc9f /libavcodec/aac.c | |
parent | 6a7d2c3d3a40ae0944d8f56892d372658a2dd261 (diff) | |
download | ffmpeg-streaming-cfd937b081adfa122e3f814b928c9ea0ada7f4f0.zip ffmpeg-streaming-cfd937b081adfa122e3f814b928c9ea0ada7f4f0.tar.gz |
AAC: hoist dependent gain lookup out of the loop
Originally committed as revision 17835 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/aac.c')
-rw-r--r-- | libavcodec/aac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/aac.c b/libavcodec/aac.c index 80195c0..765f677 100644 --- a/libavcodec/aac.c +++ b/libavcodec/aac.c @@ -1434,10 +1434,11 @@ static void apply_dependent_coupling(AACContext * ac, SingleChannelElement * tar for (g = 0; g < ics->num_window_groups; g++) { for (i = 0; i < ics->max_sfb; i++, idx++) { if (cce->ch[0].band_type[idx] != ZERO_BT) { + const float gain = cce->coup.gain[index][idx]; 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] += cce->coup.gain[index][idx] * src[group*128+k]; + dest[group*128+k] += gain * src[group*128+k]; } } } |