aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2012-10-06 14:03:15 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-06 14:03:15 +0200
commit24702a91e4f0455030d03b0489a3149ee6db01a4 (patch)
treee8287191036ec4b91d83a2765342546ab0042b09
parent56d7f7d955826959b2d3b97d6ef352b7917c98ea (diff)
downloadffmpeg-24702a91e4f0455030d03b0489a3149ee6db01a4.tar.gz
pca: get rid of VLA
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavutil/pca.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavutil/pca.c b/libavutil/pca.c
index 0839d68ed2..54927a2cb3 100644
--- a/libavutil/pca.c
+++ b/libavutil/pca.c
@@ -32,6 +32,7 @@ typedef struct PCA{
int n;
double *covariance;
double *mean;
+ double *z;
}PCA;
PCA *ff_pca_init(int n){
@@ -41,6 +42,7 @@ PCA *ff_pca_init(int n){
pca= av_mallocz(sizeof(PCA));
pca->n= n;
+ pca->z = av_malloc(sizeof(*pca->z) * n);
pca->count=0;
pca->covariance= av_mallocz(sizeof(double)*n*n);
pca->mean= av_mallocz(sizeof(double)*n);
@@ -51,6 +53,7 @@ PCA *ff_pca_init(int n){
void ff_pca_free(PCA *pca){
av_freep(&pca->covariance);
av_freep(&pca->mean);
+ av_freep(&pca->z);
av_free(pca);
}
@@ -70,7 +73,7 @@ int ff_pca(PCA *pca, double *eigenvector, double *eigenvalue){
int i, j, pass;
int k=0;
const int n= pca->n;
- double z[n];
+ double *z = pca->z;
memset(eigenvector, 0, sizeof(double)*n*n);