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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-01-05 23:35:36 +0300 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-01-05 23:35:36 +0300 |
| commit | ac05f9030ed4baae317071d0321c91afabaf1080 (patch) | |
| tree | 89e2030d2568763b382a1a27756bb6c8134d6926 /libavcodec/ac3enc_float.h | |
| parent | 87c1410d11c34670ab2bec1ee97fc18354aa3c8d (diff) | |
Convert floating-point MDCT coefficients to 24-bit fixed-point all at once
instead of doing it separately in 2 different functions.
This makes float AC-3 encoding approx. 3-7% faster overall.
Also, the coefficient conversion can now be easily SIMD-optimized.
Originally committed as revision 26232 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ac3enc_float.h')
| -rw-r--r-- | libavcodec/ac3enc_float.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/libavcodec/ac3enc_float.h b/libavcodec/ac3enc_float.h index 1cd3681ae9..29a479a00e 100644 --- a/libavcodec/ac3enc_float.h +++ b/libavcodec/ac3enc_float.h @@ -35,8 +35,6 @@ typedef float SampleType; typedef float CoefType; -#define SCALE_COEF(a) SCALE_FLOAT((a), 24) - typedef struct AC3MDCTContext { const float *window; ///< MDCT window function |