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| author | Vitor Sessak <vitor1001@gmail.com> | 2008-09-04 15:04:08 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2008-09-04 15:04:08 +0000 |
| commit | 1775c7fac6f70f77986dc8adab674b6d4510c7f7 (patch) | |
| tree | e9925c5a8430c6776ff779d68326f99dea4c88f6 | |
| parent | e4b8f1fa77e048eae8c6e3caee9ac495302a36aa (diff) | |
| download | ffmpeg-1775c7fac6f70f77986dc8adab674b6d4510c7f7.tar.gz | |
Multiply table by -1. This avoid doing this calculation (that was introduced
in my last commit) in real time.
Originally committed as revision 15195 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/aac.c | 2 | ||||
| -rw-r--r-- | libavcodec/aacdectab.h | 18 |
2 files changed, 10 insertions, 10 deletions
diff --git a/libavcodec/aac.c b/libavcodec/aac.c index 94f27acda1..c59a663bec 100644 --- a/libavcodec/aac.c +++ b/libavcodec/aac.c @@ -635,7 +635,7 @@ static int decode_tns(AACContext * ac, TemporalNoiseShaping * tns, tmp2_idx = 2*coef_compress + coef_res; for (i = 0; i < tns->order[w][filt]; i++) - tns->coef[w][filt][i] = -tns_tmp2_map[tmp2_idx][get_bits(gb, coef_len)]; + tns->coef[w][filt][i] = tns_tmp2_map[tmp2_idx][get_bits(gb, coef_len)]; } } } diff --git a/libavcodec/aacdectab.h b/libavcodec/aacdectab.h index e4b87d79a0..32f1aa4765 100644 --- a/libavcodec/aacdectab.h +++ b/libavcodec/aacdectab.h @@ -178,24 +178,24 @@ static const uint8_t tns_max_bands_128[] = { * @{ */ static const float tns_tmp2_map_1_3[4] = { - 0.00000000, 0.43388373, -0.64278758, -0.34202015, + 0.00000000, -0.43388373, 0.64278758, 0.34202015, }; static const float tns_tmp2_map_0_3[8] = { - 0.00000000, 0.43388373, 0.78183150, 0.97492790, - -0.98480773, -0.86602539, -0.64278758, -0.34202015, + 0.00000000, -0.43388373, -0.78183150, -0.97492790, + 0.98480773, 0.86602539, 0.64278758, 0.34202015, }; static const float tns_tmp2_map_1_4[8] = { - 0.00000000, 0.20791170, 0.40673664, 0.58778524, - -0.67369562, -0.52643216, -0.36124167, -0.18374951, + 0.00000000, -0.20791170, -0.40673664, -0.58778524, + 0.67369562, 0.52643216, 0.36124167, 0.18374951, }; static const float tns_tmp2_map_0_4[16] = { - 0.00000000, 0.20791170, 0.40673664, 0.58778524, - 0.74314481, 0.86602539, 0.95105654, 0.99452192, - -0.99573416, -0.96182561, -0.89516330, -0.79801720, - -0.67369562, -0.52643216, -0.36124167, -0.18374951, + 0.00000000, -0.20791170, -0.40673664, -0.58778524, + -0.74314481, -0.86602539, -0.95105654, -0.99452192, + 0.99573416, 0.96182561, 0.89516330, 0.79801720, + 0.67369562, 0.52643216, 0.36124167, 0.18374951, }; static const float *tns_tmp2_map[4] = { |