[pulseaudio-discuss] Fade-In/Fade-Out Effect
arun.raghavan at collabora.co.uk
Mon Oct 17 03:47:44 PDT 2011
On Mon, 2011-10-17 at 17:46 +0900, Yogesh Sharma wrote:
> Hello All
> How to get Fade-in/Fade-out effect using pulseaudio APIs.
> As Arun says in Article
> "PulseAudio doesn’t offer an API to do fades" , is there any way to get
> fade effects in pulseaduio.
My blog post talks about doing fades on a GStreamer pipeline for the
generic case. You should still be able to implement your own fades
without too large an effort if you're not trying to build a generic
framework out of it.
If you do want to do a generic thing, we really need the proper
API/infrastructure to implement effects and this is somewhat
> And if pulseaudio does not support fade effect then what are these APIs
> meant for pa_cvolume_get_fade(), pa_cvolume_set_fade() and
> I tried to use these APIs but did not get any success.
As you'll find in the documentation, in this context, the fade is the
balance between front and rear channels:
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