-y – A global option to overwrite the output file if it already exists.
Convert any MP3 file to WAV 20khz mono 16bit for ADDAC WAV Player: ffmpeg -i ... ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac. vn is no video.
I would like to keep all the original audio tracks and have a second re-coded copy. What I have been using is: ffmpeg -i file -map 0:v -codec:v copy ...
End result is the same video file but with one new additional audio stream. (AAC stream is kept, not replaced.) I've tried this, but I think I'm doing ...
The second-most common use is within MKV (Matroska) files because it has better support
The second instance is downmixed to 2 channels and encoded with codec aac. A bitrate of
-codec copy stream copies, or "re-muxes", the streams from the input to the output ... AAC, MP3) if you want the file to be playable with something else than VLC.
ffmpeg: Copy tag from audio file to AAC pre-encoded file.
This filter is required for example when copying an AAC stream from a raw
ffmpeg -i input.webm -c:a copy -c:v vp9 -r 30 output.mkv. This creates a new Matroska with the audio stream copied over and the video stream's ...