[FFmpeg-user] High audio latency (although low with ffplay!)
Paul B Mahol
onemda at gmail.com
Thu Sep 9 09:22:36 EEST 2021
On Wed, Sep 8, 2021 at 12:11 PM Arif Driessen <arifd86 at gmail.com> wrote:
> Yes, my initial suspicion is buffer size, but it appears you can't set
> buffer size with the alsa device.
> It looks like there may be a compile-time constant MAX_BUFFER_SIZE but I
> don't want to have to compile ffmpeg.
> On Wed, Sep 8, 2021 at 12:01 PM Michael Koch <astroelectronic at t-online.de>
> > Am 08.09.2021 um 11:44 schrieb Arif Driessen:
> > > about 3 seconds latency.
> > >
> > > I have also experimented with these flags: -thread_queue_size, -fflags
> > > nobuffer, -flags low_delay ,-strict experimental, -re, -deadline
> > >
> > > Any ideas?
> > I had a similar problem with the "dshow" input device and solved it by
> > setting -audio_buffer_size to a small value. However I don't know if
> > this is applicable to your pulse or alsa devices.
Set buffer_size for pulse output device.
> > Michael
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