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Documentation:Modules/v4l2 - VideoLAN Wiki
https://wiki.videolan.org/Documentation:Modules/v4l2/
These options do not apply to audio streams in compressed data. v4l2-adev <string> : Audio input device default value: "" v4l2-audio-method <integer> : Allowed audio input methods (bitmask: 1 for OSS, 2 for ALSA) default value: 3; v4l2-stereo : Capture audio in stereo default value: enabled; v4l2-samplerate <integer> : Audio input sample rate in Hz default value: 48000; Tuner. v4l2 …
Documentation:Modules/alsa - VideoLAN Wiki
https://wiki.videolan.org/Documentation:Modules/alsa/
oss and alsa audio capture support were removed from v4l and v4l2 in VLC 1.0.0, but accesses were provided as sub-modules. To emulate old behaviour, use --input-slave oss:// or --input-slave alsa://. In the module options below AOUT_CHANS_FRONT and other variables are defined in include/vlc_es.h. The values are not defined here because of their complexity.
v4l2 alsa streaming audio delay - The VideoLAN Forums
https://www.forum.videolan.org/viewtopic.php?t=95866
vlc - 1.1.12 kernel - 3.1 sound: alsa microsoft life cam The problem is that video is delayed (sound is before video). I've tried audio-sync and without but it has no effect. I'm stuck at this point so I'm asking here for help
How to inform vlc regarding audio sample rate of the ...
https://stackoverflow.com/questions/53478843/how-to-inform-vlc-regarding-audio-sample-rate-of-the-device-in-ubuntu
Audio flow path is using ALSA framework and video flow path is using v4l2 framework. Device can generate different audio sample rate such as 44.1KHz, 48KHz and 96KHz. VLC can render video and audio smoothly with 48KHz of sample rate, 2 channel and video with FHD (1920x1080).
Use 'ALSA' Audio Output in VLC to Lower the CPU Usage
https://www.hecticgeek.com/use-alsa-audio-output-in-vlc-to-lower-the-cpu-usage/
Now, again switch over to ‘VLC’ and from its menu go to: ‘Tools’ -> ‘Preferences’. Then from the next window, click on the ‘Audio’ tab. Now under the sub heading ‘Output’ -> ‘Output module’: click on the drop-down menu and choose ‘ALSA audio output’ as shown below.
VLC stream webcam video with audio - Unix & Linux Stack ...
https://unix.stackexchange.com/questions/425955/vlc-stream-webcam-video-with-audio
The closest was from Trouble getting VLC to record from the webcam via command line. This streams the video but does not play the audio. cvlc v4l2:// :input-slave=alsa:// :v4l-vdev="/dev/video0" :v4l-norm=3 \ :v4l-frequency=-1 :v4l-caching=300 :v4l-chroma="" :v4l-fps=-1.000000 \ :v4l-samplerate=44100 :v4l-channel=0 :v4l-tuner=-1 :v4l-audio=-1 :v4l-stereo \ :v4l …
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