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| author | Reynaldo H. Verdejo Pinochet <reynaldo@opendot.cl> | 2009-03-09 21:55:24 +0000 |
|---|---|---|
| committer | Reynaldo H. Verdejo Pinochet <reynaldo@opendot.cl> | 2009-03-09 21:55:24 +0000 |
| commit | 95e83257715818d113724eb92035f4e685d1ec11 (patch) | |
| tree | c0bf7092251919b30fc7610f3c513078f077240d /libavcodec/acelp_vectors.h | |
| parent | 88c4339bda6f2ad0e6e431b5c45e32d44d44a344 (diff) | |
| download | ffmpeg-streaming-95e83257715818d113724eb92035f4e685d1ec11.zip ffmpeg-streaming-95e83257715818d113724eb92035f4e685d1ec11.tar.gz | |
Functional part Kenan Gillet's 'extract and share weighted_vector_sumf'
patchset. Idea is to share this common code between the AMR and QCELP
decoders.
Originally committed as revision 17916 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/acelp_vectors.h')
| -rw-r--r-- | libavcodec/acelp_vectors.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libavcodec/acelp_vectors.h b/libavcodec/acelp_vectors.h index a5e71fc..3a47a7b 100644 --- a/libavcodec/acelp_vectors.h +++ b/libavcodec/acelp_vectors.h @@ -150,4 +150,18 @@ void ff_acelp_weighted_vector_sum( int shift, int length); +/** + * float implementation of weighted sum of two vectors. + * @param out [out] result of addition + * @param in_a first vector + * @param in_b second vector + * @param weight_coeff_a first vector weight coefficient + * @param weight_coeff_a second vector weight coefficient + * @param length vectors length + * + * @note It is safe to pass the same buffer for out and in_a or in_b. + */ +void ff_weighted_vector_sumf(float *out, const float *in_a, const float *in_b, + float weight_coeff_a, float weight_coeff_b, int length); + #endif /* AVCODEC_ACELP_VECTORS_H */ |
