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-rw-r--r--libswresample/swresample.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 24e0ff4296..7a75fdb1a6 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -372,7 +372,9 @@ static void copy(AudioData *out, AudioData *in,
static void fill_audiodata(AudioData *out, uint8_t *in_arg [SWR_CH_MAX]){
int i;
- if(out->planar){
+ if(!in_arg){
+ memset(out->ch, 0, sizeof(out->ch));
+ }else if(out->planar){
for(i=0; i<out->ch_count; i++)
out->ch[i]= in_arg[i];
}else{