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FFmpeg command line parameter map to select audio and ...
https://www.codetd.com/en/article/7048221#:~:text=Without%20-map%20parameters%2C%20ffmpeg%20default%20input%20source%20from,ffmpeg%20-i%200001.ts%20-c%20copy%20-f%20mpegts%20udp%3A%2F%2F192.168.1.100%26pkt_size%3D1316
Change default audio track of Video file using ffmpeg ...
https://video.stackexchange.com/questions/29467/change-default-audio-track-of-video-file-using-ffmpeg
ffmpeg -i "input.mkv" \ -map 0:0 \ -map 0:2 \ -map 0:1 \ -disposition:a:0 default \ -disposition:a:1 none \ -c copy "output.mkv" input; use video stream (0:0) make 2nd audio stream (Hindi) the 1st; make 1st audio stream (English) the 2nd; use the new 1st audio stream (Hindi) as default; remove the default from the new 2nd audio stream (English)
How to set default streams with ffmpeg - Stack Overflow
https://stackoverflow.com/questions/17812725/how-to-set-default-streams-with-ffmpeg
ffmpeg can now also specify default streams. option -disposition:a:1 default will mark second audio as default, but don't forget to remove default tag from first track: e.g. -disposition:a:0 none or another type from the link. It will create a copy of the original file, so it's not instantaneous change, like when using mkvpropedit with --set flag-default option.
How to change default audio track using FFmpeg? - Ask …
https://askubuntu.com/questions/1329432/how-to-change-default-audio-track-using-ffmpeg
ffmpeg -i intest.mp4 -map 0 -disposition:a:0 0 -c:v copy -c:a:0 libmp3lame -metadata:s:a:0 title="MP3-LoudnessProcessed" -metadata:s:a:1 title="OriginalAAC" -filter:a loudnorm -disposition:a:0 default -map 0:a:0 -disposition:a:1 0 outtest.mp4. In this command: -map 0 means select all streams.
ffmpeg Documentation
https://ffmpeg.org/ffmpeg.html
For example, to make the second audio stream the default stream: ffmpeg -i in.mkv -c copy -disposition:a:1 default out.mkv To make the second subtitle stream the default stream and remove the default disposition from the first subtitle stream:
ffmpeg - ffprobe select audio and video streams - Stack ...
https://stackoverflow.com/questions/41115917/ffprobe-select-audio-and-video-streams
a:1 for the audio packets belonging to audio stream with index 1; v:99 for the video packets belonging to video stream with index 99 and so on. Note that if you want to view 2 different streams (like audio and video) you need to run ffprobe twice. For more goodies, although very generally written, you can also check: https://trac.ffmpeg.org/wiki/FFprobeTips
How to Extract Audio from Video Using FFmpeg
https://www.leawo.org/entips/how-to-extract-audio-from-video-using-ffmpeg-1400.html
Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp (default) Now that you know the original audio format, extract the audio from the video without re-encoding it using the below command: ffmpeg -i myvideo.mp4 -vn -acodec copy audio.ogg
ffmpeg - Mux mkv and dts file, change default audio stream ...
https://video.stackexchange.com/questions/19634/mux-mkv-and-dts-file-change-default-audio-stream-and-language
I think that the command that you would need, so that the final file had English as the default audio stream is: ffmpeg -i movie.mkv -i audio.dts -map 0:v:0 -map 1:a:0 -map 0:a:0 -c copy -disposition:a:0 default -disposition:a:1 0 movie_combined.mkv The addition is -disposition:a:0 default -disposition:a:1 0. The numbering of the streams is for the output.
usb - Live audio stream using FFMPEG - Raspberry Pi Stack ...
https://raspberrypi.stackexchange.com/questions/1466/live-audio-stream-using-ffmpeg
ffmpeg -f alsa -i default:CARD=U0x46d0x819 -acodec mp2 -ac 1 -re -f rtp rtp://234.5.5.5:1234 2> /tmp/mylog.log &. Be sure to replace default:CARD=U0x46d0x819 with your microphone ID, ( obtained from arecord -l ) or you cad specify -i …
command line - How to extract specific audio track (track ...
https://askubuntu.com/questions/1139812/how-to-extract-specific-audio-track-track-2-from-mp4-file-using-ffmpeg
You can use the -map option to choose specific streams. To get a list of the available streams, run ffmpeg -i INPUT_FILE.EXT (Do not forget -i!), which gives e.g.: … Input #0, EXT, from 'INPUT_FILE.EXT': Metadata: encoder : VirtualDubMod 1.5.10.2 (build 2542/release) Duration: 01:35:35.88, start: 0.000000, bitrate: 1029 kb/s Stream #0:0: Video: mpeg4 …
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