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avutil/pca: Check for av_malloc* failures
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
@@ -41,12 +41,20 @@ PCA *ff_pca_init(int n){
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return NULL;
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return NULL;
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pca= av_mallocz(sizeof(*pca));
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pca= av_mallocz(sizeof(*pca));
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if (!pca)
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return NULL;
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pca->n= n;
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pca->n= n;
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pca->z = av_malloc_array(n, sizeof(*pca->z));
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pca->z = av_malloc_array(n, sizeof(*pca->z));
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pca->count=0;
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pca->count=0;
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pca->covariance= av_calloc(n*n, sizeof(double));
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pca->covariance= av_calloc(n*n, sizeof(double));
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pca->mean= av_calloc(n, sizeof(double));
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pca->mean= av_calloc(n, sizeof(double));
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if (!pca->z || !pca->covariance || !pca->mean) {
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ff_pca_free(pca);
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return NULL;
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}
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return pca;
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return pca;
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}
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}
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