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| author | Vitor Sessak <vitor1001@gmail.com> | 2009-12-16 17:09:33 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2009-12-16 17:09:33 +0000 |
| commit | 6ef607c2d58089a54752d06633fcb1cc078402e5 (patch) | |
| tree | f5aab04313826691b57f651b84d945b194798b1c /libavcodec/celp_filters.h | |
| parent | 5ad14c6c3a9cf8d096675d60b8d82419516965de (diff) | |
Optimize ff_celp_lp_synthesis_filterf(). 50% faster in my tests.
Originally committed as revision 20884 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/celp_filters.h')
| -rw-r--r-- | libavcodec/celp_filters.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/celp_filters.h b/libavcodec/celp_filters.h index d9db95d454..6069a3fcff 100644 --- a/libavcodec/celp_filters.h +++ b/libavcodec/celp_filters.h @@ -90,7 +90,8 @@ int ff_celp_lp_synthesis_filter(int16_t *out, * @param filter_coeffs filter coefficients. * @param in input signal * @param buffer_length amount of data to process - * @param filter_length filter length (10 for 10th order LP filter) + * @param filter_length filter length (10 for 10th order LP filter). Must be + * greater than 4 and even. * * @note Output buffer must contain filter_length samples of past * speech data before pointer. |