[FFmpeg-devel] [PATCH] avdevice/avfoundation: continue to try get packet if not in observed_quit mode

[Steven Liu]

Thilo Borgmann <thilo.borgmann at mail.de> 于2021年9月18日周六 上午12:12写道：
>
> Hi,
Hi Thilo,
>
> On 19 Jul 2021, at 9:15, Steven Liu wrote:
>
> > move unlock_frames before return in observed_quit mode.
> > before patch:
> > ./ffmpeg -f avfoundation -i ":0" -y out.wav
> > say something to microphone
> > ffplay out.wav will hear some noise, because not get enough samples
> > from
> > devices
> >
> > after patch:
> > ./ffmpeg -f avfoundation -i ":0" -y out.wav
> > say something to microphone
> > ffplay out.wav will ok.
> >
> > Signed-off-by: Steven Liu <liuqi05 at kuaishou.com>
> > ---
> >  libavdevice/avfoundation.m | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
>
> I just applied some fixes related to the locking. Can you retest this,
> as it appears not really related to the locking but to behavior of
> EAGAIN if this changes things for you?
Yes, your are right, I have re-submit new version:
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20210918015137.18968-1-lq@chinaffmpeg.org/

Thanks
Steven