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Functional part Kenan Gillet's 'extract and share weighted_vector_sumf'

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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
This commit is contained in:
Reynaldo H. Verdejo Pinochet
2009-03-09 21:55:24 +00:00
parent 88c4339bda
commit 95e8325771
4 changed files with 28 additions and 14 deletions
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14
libavcodec/acelp_vectors.h
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@@ -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 */