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Useful FFmpeg Commands for Working with Audio and Video ...
https://www.labnol.org/internet/useful-ffmpeg-commands/28490/#:~:text=Use%20the%20-an%20parameter%20to%20disable%20the%20audio,-an%20mute-video.mp4%206.%20Extract%20the%20audio%20from%20video
Remove audio from video file with FFmpeg - Super User
https://superuser.com/questions/268985/remove-audio-from-video-file-with-ffmpeg
You remove audio by using the -an flag: input_file=example.mkv output_file=example-nosound.mkv ffmpeg -i $input_file -c copy -an $output_file This ffmpeg flag is documented here.
How to Remove Audio from Video using FFmpeg ... - …
https://ottverse.com/add-remove-extract-audio-from-video-using-ffmpeg/
This is done using the -acodec copy command that tells FFmpeg to only copy the audio and not re-encode it. ffmpeg -i videoWithAudio.mp4 -vn -acodec copy onlyAudio.aac . Simple, right? Now, let’s take a different use case where you might want to re-encode the audio after extracting it.
FFmpeg Devices Documentation
https://ffmpeg.org/ffmpeg-devices.html
You can disable all the input devices using the configure option "–disable-indevs", and selectively enable an input device using the option "–enable-indev=INDEV", or you can disable a particular input device using the option "–disable-indev=INDEV". The option "-devices" of the ff* tools will display the list of supported input devices.
video - How to disable subtitles decoding in ffmpeg ...
https://stackoverflow.com/questions/12131789/how-to-disable-subtitles-decoding-in-ffmpeg
To remove subtitle stream without re-encoding video and audio shortest command would be: ffmpeg -i input.mkv -sn -c copy output.mkv
FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
Force mid/side audio encoding. ‘off (0)’ Force left/right audio encoding. ‘auto’ Let the encoder decide automatically. optimize_mono. Set whether to enable optimization for mono. This option is only effective for non-mono streams. Available values: ‘on’ enabled ‘off’ disabled 9 Video Encoders
FFMPEG command line examples for audio-video capture ...
https://vijiboy.wordpress.com/2018/03/08/ffmpeg-command-line-examples-for-audio-video-capture/
audio=Microphone (HD Pro Webcam C920): Immediate exit requested. To record audio from the mic (without encoding): ffmpeg -f dshow -i audio="Microphone (HD Pro Webcam C920)" -vn -sn -acodec copy DTMFToneSample2.wav >ffmpeg -f dshow -i audio=”Microphone (HD Pro Webcam C920)” -vn -sn -acodec copy DTMFToneSample2.wav
Useful FFmpeg Commands for Working with Audio and …
https://www.labnol.org/internet/useful-ffmpeg-commands/28490/
Use the -an parameter to disable the audio portion of a video stream. ffmpeg -i video.mp4 -an mute-video.mp4. 6. Extract the audio from videoThe -vn switch extracts the audio portion from a video and we are using the -ab switch to save the audio as a 256kbps MP3 audio file. ffmpeg -i video.mp4 -vn -ab 256 audio.mp3. 7. Convert a video into an animated GIF
Using FFmpeg with NVIDIA GPU Hardware Acceleration ...
https://docs.nvidia.com/video-technologies/video-codec-sdk/ffmpeg-with-nvidia-gpu/
Go to the FFmpeg installation folder and run the following command. ./configure --enable-nonfree –disable-shared --enable-cuda-nvcc --enable-libnpp –-toolchain=msvc --extra-cflags=-I../nv_sdk --extra-ldflags=-libpath:../nv_sdk Compile the code by executing the following command. make -j 8 Compiling for Windows Subsystem for Linux (WSL)
Disable moving subtitles (fix position) inside an mkv : …
https://www.reddit.com/r/ffmpeg/comments/snsy1j/disable_moving_subtitles_fix_position_inside_an/
Disable moving subtitles (fix position) inside an mkv. I have an .mkv which contains video, audio, and subtitles. The latter's format is ass. The problem I have is that these subtitles constantly move around the screen. They switch from bottom, to left, to top, etc., which is quite annoying. What the easiest way of fixing the position of the ...
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