Followup: the same application binary plays well on another machine
running the same operating system. The only difference is lack of
PulseAudio an KDE on that machine. However I can't understand why this
could affect GstAppSrc only, and not other sources.
On 11/21/2017 11:52 PM, George Yunaev wrote:
> Hi all,
>
> When playing sound from GstAppSrc, seekable stream, my application
> sounds weird on my machine. Sound is played only half of each second;
> the other half no sound is played.
>
> No error messages of any kind are printed in the console.
>
> I assumed that it was due to some kind of strange input buffer
> underrun, so I rewrote the application pushing buffers in a separate
> thread indefinitely (ignoring enough-data). It fills it up fully even
> before the sound is heard, but the output is the same - jerky sound
> which turns off every half seconds.
>
> The same pipeline plays regular music files from disk (opened through
> 'url' source) fine.
>
> If needed, the player source is here:
>
https://github.com/gyunaev/spivak/blob/master/src/mediaplayer.cpp - it
> handles both video and audio and thus is pretty complex. in
> setupSource() the audio sink is set up, and the callbacks read the
> data from QIODevice.
>
> Thank you in advance!
>
--
With best regards, George.
Senior Software Security Engineer
http://www.ulduzsoft.com/about-me/resume/_______________________________________________
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