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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-07-15 23:43:38 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-07-15 23:43:38 +0000 |
| commit | 408ec4e2a6c3fb40e14ac4f0fb2fb9e40ff3e6a3 (patch) | |
| tree | 981867ca181d59ac2849f28241be9185f272c59c /libavutil/lls.h | |
| parent | 6ce704bbedac2745b51bfdb11af2431f05a1dc23 (diff) | |
| download | ffmpeg-408ec4e2a6c3fb40e14ac4f0fb2fb9e40ff3e6a3.tar.gz | |
calculate all coefficients for several orders during cholesky factorization, the resulting coefficients are not strictly optimal though as there is a small difference in the autocorrelation matrixes which is ignored for the smaller orders
Originally committed as revision 5758 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/lls.h')
| -rw-r--r-- | libavutil/lls.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavutil/lls.h b/libavutil/lls.h index a75095faf9..5c603e467a 100644 --- a/libavutil/lls.h +++ b/libavutil/lls.h @@ -30,13 +30,14 @@ */ typedef struct LLSModel{ double covariance[MAX_VARS+1][MAX_VARS+1]; - double coeff[MAX_VARS]; + double coeff[MAX_VARS][MAX_VARS]; + double variance[MAX_VARS]; int indep_count; }LLSModel; void av_init_lls(LLSModel *m, int indep_count); void av_update_lls(LLSModel *m, double *param, double decay); -double av_solve_lls(LLSModel *m, double threshold); -double av_evaluate_lls(LLSModel *m, double *param); +void av_solve_lls(LLSModel *m, double threshold, int min_order); +double av_evaluate_lls(LLSModel *m, double *param, int order); #endif |