ffmpeg alsa
I've discovered that when I record ALSA audio with FFMPEG, that process takes 95% of my CPU and produces stuttering, unusable audio in the stream. , Syntax. Capturing audio with ffmpeg and ALSA is pretty much straightforward: ffmpeg -f alsa <input_options> -i <input_device> ... output.wav., ffmpeg -video_size 1024x768 -framerate 25 -f x11grab -i ... If you need audio too, you can use ALSA (see Capture/ALSA for more info):,According to https://trac.ffmpeg.org/wiki/Capture/ALSA ..... Capturing audio with ffmpeg and ALSA is pretty much straightforward: ffmpeg -f alsa -i ... , Capturing audio with FFmpeg and ALSA. Context Navigation. Up-vote +0 Down-vote; Start Page · Index · History. See Capture/ALSA.,1 Description; 2 Device Options; 3 Input Devices. 3.1 alsa. 3.1.1 Options. 3.2 android_camera. 3.2.1 Options. 3.3 avfoundation. 3.3.1 Options; 3.3.2 Examples. , 參考解決辦法https://stackoverflow.com/questions/28359855/alsa-buffer-xrun-induced-by-low-quality-source-in-ffmpeg-capture., I realise this is a bit old. Just in case anyone else is looking: ffmpeg -f alsa -ac 2 -i default -itsoffset 00:00:00.5 -f video4linux2 -s 320x240 -r 25 -i ..., The third number is the subdevice number, and might be useful only for sound cards that implement hardware mixing. (If you leave the third ...
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 ffmpeg alsa 相關參考資料
#6156 (Issue with FFMPEG ALSA CPU usage) – FFmpeg
I've discovered that when I record ALSA audio with FFMPEG, that process takes 95% of my CPU and produces stuttering, unusable audio in the stream. https://trac.ffmpeg.org CaptureALSA – FFmpeg
Syntax. Capturing audio with ffmpeg and ALSA is pretty much straightforward: ffmpeg -f alsa <input_options> -i <input_device> ... output.wav. https://trac.ffmpeg.org CaptureDesktop – FFmpeg
ffmpeg -video_size 1024x768 -framerate 25 -f x11grab -i ... If you need audio too, you can use ALSA (see Capture/ALSA for more info): https://trac.ffmpeg.org Capturing audio with ffmpeg and ALSA is pretty much ...
According to https://trac.ffmpeg.org/wiki/Capture/ALSA ..... Capturing audio with ffmpeg and ALSA is pretty much straightforward: ffmpeg -f alsa -i ... https://forums.freebsd.org Capturing audio with FFmpeg and ALSA – FFmpeg
Capturing audio with FFmpeg and ALSA. Context Navigation. Up-vote +0 Down-vote; Start Page · Index · History. See Capture/ALSA. https://trac.ffmpeg.org FFmpeg Devices Documentation
1 Description; 2 Device Options; 3 Input Devices. 3.1 alsa. 3.1.1 Options. 3.2 android_camera. 3.2.1 Options. 3.3 avfoundation. 3.3.1 Options; 3.3.2 Examples. https://www.ffmpeg.org ffmpeg錄製usb攝像頭和alsa音訊出現ALSA buffer xrun. - IT閱讀
參考解決辦法https://stackoverflow.com/questions/28359855/alsa-buffer-xrun-induced-by-low-quality-source-in-ffmpeg-capture. https://www.itread01.com How to record audio with ffmpeg on linux? - Stack Overflow
I realise this is a bit old. Just in case anyone else is looking: ffmpeg -f alsa -ac 2 -i default -itsoffset 00:00:00.5 -f video4linux2 -s 320x240 -r 25 -i ... https://stackoverflow.com sound - FFMpeg Alsa: Understanding hw:#,#,# - Ask Ubuntu
The third number is the subdevice number, and might be useful only for sound cards that implement hardware mixing. (If you leave the third ... https://askubuntu.com |