Test environment:
Darwin liuqi05.local 20.5.0 Darwin Kernel Version 20.5.0: Sat May 8 05:10:33
PDT 2021; root:xnu-7195.121.3~9/RELEASE_X86_64 x86_64
Big Sur 11.4 (20F71)
before patch:
./ffmpeg -f avfoundation -i ":0" -y out.wav
say something to microphone
ffplay out.wav will get noise.
look the into the code, it will return EAGAIN when
transport control observation is not ctx->observed_quit.
after patch:
./ffmpeg -f avfoundation -i ":0" -y out.wav
say something to microphone
ffplay out.wav will ok.
Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
---
libavdevice/avfoundation.m | 2 --
1 file changed, 2 deletions(-)
diff --git a/libavdevice/avfoundation.m b/libavdevice/avfoundation.m
index 0cd6e646d5..cd30f48cfe 100644
--- a/libavdevice/avfoundation.m
+++ b/libavdevice/avfoundation.m
@@ -1186,8 +1186,6 @@ static int avf_read_packet(AVFormatContext *s, AVPacket
*pkt)
unlock_frames(ctx);
if (ctx->observed_quit) {
return AVERROR_EOF;
- } else {
- return AVERROR(EAGAIN);
}
}
--
2.25.0
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