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-rw-r--r--libswresample/swresample.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 0ef4dea91b..dea61391ac 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -413,9 +413,9 @@ int swri_realloc_audio(AudioData *a, int count){
return AVERROR(ENOMEM);
for(i=0; i<a->ch_count; i++){
a->ch[i]= a->data + i*(a->planar ? countb : a->bps);
- if(a->planar) memcpy(a->ch[i], old.ch[i], a->count*a->bps);
+ if(a->count && a->planar) memcpy(a->ch[i], old.ch[i], a->count*a->bps);
}
- if(!a->planar) memcpy(a->ch[0], old.ch[0], a->count*a->ch_count*a->bps);
+ if(a->count && !a->planar) memcpy(a->ch[0], old.ch[0], a->count*a->ch_count*a->bps);
av_freep(&old.data);
a->count= count;