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Screen capture WITH audio in ffmpeg - Stack Overflow
https://stackoverflow.com/questions/29478548/screen-capture-with-audio-in-ffmpeg
FFmpeg/ffmpeg -f alsa -ac 2 -i pulse -- output.wav However, when I try both screen capture and audio, like this: FFmpeg/ffmpeg -video_size 800x600 -framerate 25 -ac 2 -f x11grab -i :0.0+0,0 -ac 2 -f alsa -i pulse -ac 2 -acodec copy output.mpeg -ac 2 I'm getting a video with 0 audio channels, which I can check running FFmpeg/ffplay output.mpeg
Screen Recording With Webcam Overlay Using Ffmpeg
https://girishjoshi.io/post/screen-recording-with-webcam-overlay-using-ffmpeg/
On x11 systems, we can capture the screen using -f x11grab with ffmpeg. Typically the command looks like. ffmpeg -video_size 1366x768 -framerate 25 -f x11grab -i :0.0 screen-cap.mp4 Where we specify the resolution, frame rate and the offset for recording (here is 0,0 which is the top left corner). Capture audio along with the screen grab
FFmpeg Devices Documentation
https://ffmpeg.org/ffmpeg-devices.html
Audio sample rate is always 48 kHz and the number of channels can be 2, 8 or 16. Note that all audio channels are bundled in one single audio track. 3.5.1 Options list_devices. If set to true, print a list of devices and exit. Defaults to false. This option is deprecated, please use the -sources option of ffmpeg to list the available input devices.
Low-Latency Live Streaming for your Desktop using ffmpeg ...
https://dennismungai.wordpress.com/2018/02/06/low-latency-live-streaming-for-your-desktop-using-ffmpeg-and-netcat/
We will be using ffmpeg for the desktop and audio capture on the local system: ffmpeg -loglevel debug \ -f x11grab -s 1920x1080 -framerate 60 -i :0.0 \ -thread_queue_size 1024 -f alsa -ac 2 -ar 44100 -i hw:Loopback,1,0 \ -c:v h264_nvenc -preset:v llhq \ -rc:v vbr_minqp -qmin:v 19 \ -f mpegts - | nc -l -p 9000
[SOLVED] how to use ffmpeg x11 grab inside windows
https://www.linuxquestions.org/questions/linux-newbie-8/how-to-use-ffmpeg-x11-grab-inside-windows-917907/
Rep: how to use ffmpeg x11 grab inside windows. [ Log in to get rid of this advertisement] i am using windows xp . i like ffmpeg especially its desktop recording in mpeg format without any loss of information . Code: ffmpeg -f x11grab -i :0.0 /tmp/out.mpg. I think X server does not run in xp . Is there a work around to use ffmpeg for desktop ...
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