[alsa-devel] What does snd_pcm_delay() actually return?
James at superbug.co.uk
Tue Jun 10 16:36:02 CEST 2008
Lennart Poettering wrote:
> Takashi, Jaroslav,
> could you please explain what exactly snd_pcm_delay() returns?
> Some applications (such as WINE) assume it is the time that would pass
> until we reach an underrun if we would stop writing any further data
> to the PCM device.
> Other applications (such as most media players) use it for time
> synchronisation. i.e. assume that it is the time that passes until a
> sample I write to a PCM device now would take to be played.
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