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| author | Loren Merritt <lorenm@u.washington.edu> | 2008-08-13 23:33:48 +0000 |
|---|---|---|
| committer | Loren Merritt <lorenm@u.washington.edu> | 2008-08-13 23:33:48 +0000 |
| commit | ac2e556456bf8be035bdee386e8ec2a63ebb870d (patch) | |
| tree | d76c0fdd1bb6a9df9f061c6aab6db1cc2cbcff71 /libavcodec/dsputil.c | |
| parent | 45d9d61889874bf7d2f0babddb6778e71d71630e (diff) | |
| download | ffmpeg-ac2e556456bf8be035bdee386e8ec2a63ebb870d.tar.gz | |
simd downmix
13% faster ac3 if downmixing
Originally committed as revision 14742 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.c')
| -rw-r--r-- | libavcodec/dsputil.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index a9661eb2b5..b6df158b3e 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -41,6 +41,9 @@ void ff_spatial_dwt(int *buffer, int width, int height, int stride, int type, in /* vorbis.c */ void vorbis_inverse_coupling(float *mag, float *ang, int blocksize); +/* ac3dec.c */ +void ff_ac3_downmix_c(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len); + /* flacenc.c */ void ff_flac_compute_autocorr(const int32_t *data, int len, int lag, double *autoc); @@ -4476,6 +4479,9 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx) #ifdef CONFIG_VORBIS_DECODER c->vorbis_inverse_coupling = vorbis_inverse_coupling; #endif +#ifdef CONFIG_AC3_DECODER + c->ac3_downmix = ff_ac3_downmix_c; +#endif #ifdef CONFIG_FLAC_ENCODER c->flac_compute_autocorr = ff_flac_compute_autocorr; #endif |