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mencoder(1): movie encoder - Linux man page
https://linux.die.net/man/1/mencoder
Select audio channel (MPEG: 0-31, AVI/OGM: 1-99, ASF/RM: 0-127, VOB(AC-3): 128-159, VOB(LPCM): 160-191, MPEG-TS 17-8190). MPlayer prints the available audio IDs when run in verbose (-v) mode. When playing an MPEG-TS stream, MPlayer/MEncoder will use the first program (if present) with the chosen audio stream. -ausid <ID> (also see -alang)
6.1. Selecting codecs and container formats
http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-selecting-codec.html
Selecting codecs and container formats. 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 …
mencoder: ts to avi (x264) with multiple audio stream ...
https://forum.videohelp.com/threads/289790-mencoder-ts-to-avi-%28x264%29-with-multiple-audio-stream
For each audio stream beyond the first, you have to add -newaudio (1 video + 1 audio stream is default). So, the correct mapping for two audio streams is-map 0:0 -map 0:2 -map 0:3 -newaudio (stripping stream 0:1), for all three-map 0:0 -map 0:3 -map 0:2 -newaudio -map 0:1 -newaudio (inverted audio stream order).
Configure encoders for live streaming in Microsoft …
https://docs.microsoft.com/en-us/stream/live-encoder-setup
An encoder takes audio and video content from various sources you use during a live event such as, camera, microphone, desktop screen capture, etc., compresses and converts that media into a suitable digital format, then sends …
Listening to and recording audio and video streams with ...
https://www.linux.com/news/listening-and-recording-audio-and-video-streams-mplayer/
If you want to make a downloaded stream more portable, you can convert the file to a standard format such as MP3 or MPEG that is better supported by all players. You’ll need the appropriate encoders to do the conversion, such as LAME for MP3 and MEncoder for MPEG. For instace, to convert a .rm file to MP3, you can use commands like:
6.7. Stream copying - MPlayer
http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-streamcopy.html
Rationally: video stream copying can be useful for example when only the audio stream has to be encoded (like, uncompressed PCM to MP3). Audio stream (option -oac copy): straightforward. It is possible to take an external audio file (MP3, WAV) and mux it into the output stream. Use the -audiofile filename option for this.
Notes on video conversion with mencoder - SRCF
http://ssb22.user.srcf.net/s60/video.html
If you get issues due to reconnection near the start of the stream, you may have to edit out a small section of the video. For example if the problem occurs around 64 seconds in, try -mc 0 -noskip -edl <(echo 63 65 0) Flash audio On a GNU/Linux machine with ~/.asoundrc set to pcm.teeraw { type empty slave.pcm "tee:default, '/tmp/out.raw', raw" }
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