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MEncoder - LinuxTVWiki
https://www.linuxtv.org/wiki/index.php/MEncoder
In some recent versions of mencoder, the default framerate for ntsc with the following command comes out as 29 instead of 29.97: mencoder -tv driver=v4l2:width=720:height=480:norm=ntsc -ovc lavc -lavcopts \ vcodec=mpeg4:mbd=2 -oac mp3lame -lameopts cbr:br=128 -endpos 30 -o outfile.avi \ tv:// > /dev/null
3.14. Radio
http://www.mplayerhq.hu/DOCS/HTML/en/radio.html
You can grab the sound either using your sound card via an external cable connection between video card and line-in, or using the built-in ADC in the saa7134 chip. In the latter case, you have to load the saa7134-alsa or saa7134-oss driver. MEncoder cannot be used for audio capture, because it requires a video stream to work.
CLI Magic: Video conversion with mencoder - Linux.com
https://www.linux.com/news/cli-magic-video-conversion-mencoder/
mencoder tv:// -tv driver=v4l:device=/dev/video0:width=640:height=480:forceaudio -ovc lavc -oac lavc -lavcopts vcodec=mpeg4:acodec=mp3 -ffourcc divx -o test.avi The command records anything output by /dev/video0 in 640×480 resolution, using DivX …
3.12. TV input
http://www7.mplayerhq.hu/DOCS/HTML/en/tv-input.html
Audio is compressed with a constant bitrate of 64kbps, using LAME codec. This setup is suitable for capturing movies. mencoder -tv driver=v4l:width=768:height=576 -oac mp3lame -lameopts cbr:br=64\ -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=900 \ -vf crop=720:544:24:16,pp=lb -o …
mencoder(1): movie encoder - Linux man page
https://linux.die.net/man/1/mencoder
mencoder (MPlayer's Movie Encoder) is a simple movie encoder, designed to encode MPlayer-playable movies (see above) to other MPlayer-playable formats (see below). It encodes to MPEG-4 (DivX/Xvid), one of the libavcodec codecs and PCM/MP3/VBRMP3 audio in 1, 2 or 3 passes.
6.1. Selecting codecs and container formats
http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-selecting-codec.html
6.1. Selecting codecs and container formats. Audio and video codecs for encoding are selected with the -oac and -ovc options, respectively. Type for instance: mencoder -ovc help. to list all video codecs supported by the version of MEncoder on your machine. The following choices are available: Audio Codecs: Audio codec name.
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