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

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