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Removing audio from video with FFmpeg - Walter Ebert
https://walterebert.com/blog/removing-audio-from-video-with-ffmpeg/#:~:text=With%20FFmpeg%20you%20can%20remove%20the%20audio%20stream,yuv420p%20output.mp4%20-c%3Av%20copy%20copies%20the%20video%20stream.
ffmpeg: disable one of a several audio streams - Super User
https://superuser.com/questions/849108/ffmpeg-disable-one-of-a-several-audio-streams
Example 2: Negative mapping. Tell ffmpeg to map everything, then choose what to exclude: ffmpeg -i input -map 0 -map -0:a:1 -c copy output. -map 0 will map all streams from input 0. -map -0:a:1 will exclude the second audio stream from input 0. Share. Improve this answer.
Remove audio from video file with FFmpeg - Super User
https://superuser.com/questions/268985/remove-audio-from-video-file-with-ffmpeg
This answer is not useful. Show activity on this post. I put together a short code snippet that automates the process of removing audio from videos files for a whole directory that contains video files: FILES=/ {videos_dir}/* output_dir=/ {no_audio_dir} for input_file in $FILES do file_name=$ (basename $input_file) output_file="$output_dir/$file_name" ffmpeg -i $input_file …
nvenc - How to ignore certain type of streams (mjpeg ...
https://video.stackexchange.com/questions/22284/how-to-ignore-certain-type-of-streams-mjpeg-while-encoding-videos-in-ffmpeg
You can avoid the MJPEG cover art by using properly ordered selective mapping: -map 0 -map -v -map V. What this does: -map 0 Map all streams from input 0 (which is the first input per ffmpeg command). -map -v Then, ignore all video streams including cover art. -map V Finally, include all non-cover art video streams.
adding silent audio in ffmpeg - Stack Overflow
https://stackoverflow.com/questions/12368151/adding-silent-audio-in-ffmpeg
Ignoring existing audio. If your video input file has audio that you want to ignore then use the -map option to override the default stream selection behavior: ffmpeg -f lavfi -i anullsrc -i video.mov -c:v copy -c:a aac -map 0:a -map 1:v -shortest output.mp4
How to Remove Audio from Video using FFmpeg ... - …
https://ottverse.com/add-remove-extract-audio-from-video-using-ffmpeg/
How to Remove a Specific Audio Track using FFmpeg. For removing a specific audio track using FFmpeg, you can always use the map command. The general syntax of the map command is -map input_file_index:stream_type_specifier:stream_index. So, you could select the 2nd audio track of the video by saying -map 0:a:1 because the numbering starts at 0.
Removing audio from video with FFmpeg - Walter Ebert
https://walterebert.com/blog/removing-audio-from-video-with-ffmpeg/
I have seen savings up to 42% in file size. With FFmpeg you can remove the audio stream with the following command: ffmpeg -i input.mp4 -c:v copy -an -movflags faststart -pix_fmt yuv420p output.mp4. -c:v copy copies the video stream. -an removes the audio stream.
[FFmpeg-user] Ignore source stream error options
https://ffmpeg-user.ffmpeg.narkive.com/X40HEbu7/ignore-source-stream-error-options
switches than -err_detect ignore_err to use to help ffmpeg ignore live stream errors while hls stream transcoding on the fly. The command I use is; ffmpeg -i "myvideo.mp4" -err_detect ignore_err -c:a aac -ar 48000 -ab 64k-s 720x480 -vcodec libx264 -hls_time 240 myvideo.m3u8 but the -err_detect ignore_err switch doesn't seem to help that much, when
ffmpeg Documentation
https://ffmpeg.org/ffmpeg.html
Users can skip -map and let ffmpeg perform automatic stream selection as described below. The -vn / -an / -sn / -dn options can be used to skip inclusion of video, audio, subtitle and data streams respectively, whether manually mapped or automatically selected, except for those streams which are outputs of complex filtergraphs. 4.1 Description
h.264 - Fix bad files and streams with ffmpeg so VLC and ...
https://video.stackexchange.com/questions/18220/fix-bad-files-and-streams-with-ffmpeg-so-vlc-and-other-players-would-not-crash
You should get a utility which can ignore those portions and write the salvageable parts to a new file, like ddrescue. Now, if the file protocol is not the cause of errors, you can try ffmpeg -err_detect ignore_err -i video.mkv -c copy video_fixed.mkv Share Improve this answer answered Apr 22 '16 at 5:39 Gyan 29.2k 2 49 84 Add a comment 5
FFmpeg Formats Documentation
https://ffmpeg.org/ffmpeg-formats.html
ffmpeg -i input.mp4 -ignore_loop 0 -i input.gif -filter_complex overlay=shortest=1 out.mkv ... The first variant stream will contain video stream of bitrate 1000k and audio stream of bitrate 64k and the second variant stream will contain video stream of bitrate 256k and audio stream of bitrate 32k. Here, two media playlist with file names out_0 ...
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