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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.h | |
| parent | 45d9d61889874bf7d2f0babddb6778e71d71630e (diff) | |
simd downmix
13% faster ac3 if downmixing
Originally committed as revision 14742 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.h')
| -rw-r--r-- | libavcodec/dsputil.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 600f4fbcce..83102db501 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -360,6 +360,7 @@ typedef struct DSPContext { /* assume len is a multiple of 4, and arrays are 16-byte aligned */ void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize); + void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len); /* no alignment needed */ void (*flac_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc); /* assume len is a multiple of 8, and arrays are 16-byte aligned */ |