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Capture/PulseAudio – FFmpeg
https://trac.ffmpeg.org/wiki/Capture/PulseAudio
FFmpeg Devices Documentation
https://ffmpeg.org/ffmpeg-devices.html
PulseAudio input device. To enable this output device you need to configure FFmpeg with --enable-libpulse. The filename to provide to the input device is a source device or the string "default" To list the PulseAudio source devices and their properties you can invoke the command pactl list sources.
How to record PC sound to a file with ffmpeg and Pulseaudio.
https://securitronlinux.com/bejiitaswrath/how-to-record-pc-sound-to-a-file-with-ffmpeg-and-pulseaudio/
Then your PC sound will be recorded to a file easily. This variant will record from the headset microphone with very good quality. ffmpeg -f pulse -i alsa_input.usb-Cosair_Corsair_VOID_PRO_Surround_USB_Adapter_00000000-00.analog-stereo sound.wav. ffmpeg -f pulse -i alsa_input.usb-Cosair_Corsair_VOID_PRO_Surround_USB_Adapter_00000000 …
ffmpeg pulseaudio output options (device) - Stack Overflow
https://stackoverflow.com/questions/39497131/ffmpeg-pulseaudio-output-options-device
ffmpeg -i INPUT -f pulse -device playback-device # At least one output file must be specified This tells you that you are missing the argument which you had in your working example (ffmpeg -i INPUT -f pulse "stream name"). So the correct command is: ffmpeg -i INPUT -f pulse -device playback-device "stream name"
FFmpeg documentation : FFmpeg Devices
https://www.furniture-refinishing-guide.com/wp-content/themes/frg/ffmpeg/doc/ffmpeg-devices.html
pulseaudio input device. To enable this input device during configuration you need libpulse-simple installed in your system. The filename to provide to the input device is a source device or the string "default" To list the pulse source devices and their properties you can invoke the command pactl list sources.
pulseaudio - How to solve issue with ffmpeg being stuck …
https://askubuntu.com/questions/1160309/how-to-solve-issue-with-ffmpeg-being-stuck-at-opening-an-input-file
Parsing a group of options: input url hw:CARD=capture,DEV=0. Applying option f (force format) with argument alsa. Successfully parsed a group of options. Opening an input file: hw:CARD=capture,DEV=0. It will just stuck there forever, until I …
pulseaudio - Why does specifying audio input before webcam ...
https://unix.stackexchange.com/questions/602499/why-does-specifying-audio-input-before-webcam-video-input-in-ffmpeg-cause-them-t
FFmpeg command specifying audio input first (audio 0.5 seconds behind video): ffmpeg -f pulse -i default -f v4l2 -input_format mjpeg -framerate 30 -video_size 1280x720 -i /dev/video1 -c:v libx264 -preset veryfast -f flv rtmp://a.rtmp.youtube.com/live2/${STREAM_KEY} The stdout messages from FFmpeg seem to be the same, except the stream order. Output …
[SOLVED] Can't record audio system with FFMPEG/Pulseaudio ...
https://bbs.archlinux.org/viewtopic.php?id=255336
hi, i can't record audio system with ffmpeg and pulseaudio, i have tried these commands but the output is always mute: $ ffmpeg -f alsa -i hw:0,0 cazzo.mp3. $ ffmpeg -f alsa -i hw:0,2 cazzo.mp3. $ ffmpeg -f alsa -i pulse cazzo.mp3. $ ffmpeg -f pulse -i default cazzo.mp3. $ arecord -Ll surround21 2.1 Surround output to Front and Subwoofer speakers surround40 4.0 …
PulseAudio/Examples - ArchWiki
https://wiki.archlinux.org/title/PulseAudio/Examples
$ pactl load-module module-loopback source=input_source sink=output_source. This command will print the module's ID so that you can stop the piping later like this: $ pactl unload-module id. If you lose the ID, you can obtain it from pactl list modules short. PulseAudio as a minimal unintrusive dumb pipe to ALSA
[Linux] Capturing audio with ffmpeg from PulseAudio : ffmpeg
https://www.reddit.com/r/ffmpeg/comments/5zlrhr/linux_capturing_audio_with_ffmpeg_from_pulseaudio/
I'm trying to record a video of the desktop with audio capturing (using PulseAudio). Can anyone please explain what -i parameter refers to in this example: ffmpeg -framerate 30 -video_size 1920x1200 -f x11grab -i :0.0 -f pulse -ac 2 -i 1 -vcodec libx264 -crf 0 -preset ultrafast -acodec pcm_s16le output.mkv. It's supposedly a device.
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