Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libswresample/swresample.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 1ac5ef9a30..f1decb600a 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -164,6 +164,11 @@ av_cold int swr_init(struct SwrContext *s){
return AVERROR(EINVAL);
}
+ if (s->in_sample_rate == 0 && s->out_sample_rate == 0)
+ s->in_sample_rate = 1;
+ if (s->in_sample_rate == 0 || s->out_sample_rate == 0)
+ s->in_sample_rate = s->out_sample_rate = s->in_sample_rate +
s->out_sample_rate;
+
if(s-> in_sample_rate <= 0){
av_log(s, AV_LOG_ERROR, "Requested input sample rate %d is invalid\n",
s->in_sample_rate);
return AVERROR(EINVAL);
--
2.21.0
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