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af_amix: return AVERROR(EAGAIN) when request_frame didn't produce output. 

0 should only be returned when there was at least one output frame.
This commit is contained in:
Anton Khirnov 2012-07-05 20:28:10 +02:00
parent 428b369804
commit 54bf88e65f
1 changed files with 2 additions and 2 deletions
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4
libavfilter/af_amix.c
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@ -409,7 +409,7 @@ static int request_frame(AVFilterLink *outlink)
available_samples = get_available_samples(s);
if (!available_samples)
return 0;
return AVERROR(EAGAIN);
return output_frame(outlink, available_samples);
}
@ -440,7 +440,7 @@ static int request_frame(AVFilterLink *outlink)
available_samples = get_available_samples(s);
if (!available_samples)
return 0;
return AVERROR(EAGAIN);
available_samples = FFMIN(available_samples, wanted_samples);
} else {
available_samples = wanted_samples;