10.02.2018 23:59, Georg Chini пишет:
On 08.02.2018 17:58, Raman Shyshniou wrote:
Make pipe-source suspended if all writers closed fifo.
Source will be automatically unsuspended if any data will
be written to pipe and suspended again when last writer
closed fifo.
---
src/modules/module-pipe-source.c | 114
+++++++++++++++++++++++++++++++++++++--
1 file changed, 109 insertions(+), 5 deletions(-)
What is the motivation/use case for the patch? Normally, if there
are no writers, the source should deliver silence like any other
source without input signal.
pipe-source module can't generate silence if no writers connected
because it has no clock. Aactually incoming data has some clock, but
not pipe-source itself. Use the system clock to generate silence
is a bad idea because it may differ from incoming data clock.
For example the loopback module connected to pipe-source without
writers just spams messages like this:
[alsa-sink-USB Audio] module-loopback.c: Could not peek into queue
I can make autosuspend behaviour optional.
Regards
Georg
--
Raman
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