Needed change 1# You should be able to capture and record default Monitor device.
Alternatively you can use Web Audio API to create an OsciallatorNode with frequency set to 0. Needed change 2# Chromium provides such a means using flags, e.g., chromium-browser --autoplay-policy=no-user-gesture-required --use-fake-device-for-media-stream --use-fake-ui-for-media-stream --use-file-for-fake-audio-capture=$HOME/localscripts/output.wav --user-data-dir=$HOME/test On Mon, May 10, 2021 at 6:26 AM <[email protected]> wrote: > Dear pulseaudio community, > > I've a setup to run a screen grabber (ffmpeg records content of a website, > loaded in chromium by selenium) within a docker container. Audio is > recorded from ffmpeg by pulseaudio on a Ubuntu 18 system. > > ################# > My setup: > ################# > > ... start Xvfb, chrome+selenium ... > pulseaudio -D --exit-idle-time=-1 > pacmd load-module module-virtual-sink sink_name=v1 > pacmd set-default-sink v1 > pacmd set-default-source v1.monitor > ... and then ffmpeg -ar 44100 -f pulse -i default [...] out.mp4 ... > > Works perfectly. But I want a little more. I'm pretty sure that someone > can help me! > > ################# > Needed change 1# > ################# > > I need an audio source that has always audio (audio "silence"). The > browser does not always have audio-websites to playback. So I had in mind > to create a source with continuous silence, mixed with browser audio > (whenever the browser has audio signals to play). > How does the command/setup looks like? I played around but was unable to > realize... > > ################# > Needed change 2# > ################# > > Instead of just continuous silence I want to playback an audio file that > runs in a loop forever, mixed with the browser audio. > How does the command/setup looks like? > > > I'm very, very thankful for any help! > Best, Andreas > > _______________________________________________ > pulseaudio-discuss mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss >
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