Lennart Poettering wrote:
On Fri, 24.10.08 12:39, Knut-Håvard Aksnes ([EMAIL PROTECTED]) wrote:
I am working on an application where I listen to monitor interfaces. The
audio stream is intended to be merged with other AV streams later down
the processing pipeline using third party code, (open source but quite
complex to understand and modify). My problem is that the application
connecting to the pulse audio monitor might or might not send audio,
depending on user input, if it doesn't send audio it won't connect to
the pulse audio source, the application might also disconnect the audio
based on user input, before terminating itself. (Audio is handled by
plugins that might get loaded and unloaded based on user input)
My problem is that I really need to receive silence (zero filled audio )
instead of empty packages from the monitor interface when no sources is
connected. Is it possible to configure pulse audio to give me this?
A simple possibility is not to load module-suspend-on-idle. Only when
an audio devcie is suspended you won't get any data from it.
At least on fedora 9 (running pulseaudio 0.9.10) this doesn't work.
An easy test is to unload the module-suspend-on-idle, then creating a
null sink
then trying parec on this sinks monitor device without connecting a source.
The result is an empty file. What I need is a file growing with the same
speed (pa_bytes_per_second per second) even when no applications are
sending to the associated l sink.
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