Extract all frames: ffmpeg -i input.mp4 thumb%04d.jpg -hide_banner.Parameters: -r marks the image framerate (inverse time of each image) -vf fps=25 marks the true framerate of the output. To replace all audio between 1'20" and 1'30" with silence: ffmpeg -i in.mp4 -vcodec copy -af "volume=enable='between(t,80,90)':volume=0" out.mp4ĭeinterlacing using "yet another deinterlacing filter". To replace the first 90 seconds of audio with silence: ffmpeg -i in.mp4 -vcodec copy -af "volume=enable='lte(t,90)':volume=0" out.mp4 If you get a "Protocol 'https not on whitelist 'file,crypto'!" error, add the protocol_whitelist option: ffmpeg -protocol_whitelist "file,http,https,tcp,tls" -i "path_to_playlist.m3u8" FFMPEG MKV TO MP4 COMMAND LINE DOWNLOADDownload and concatenate the video fragments:įfmpeg -i "path_to_playlist.m3u8" -c copy -bsf:a aac_adtstoasc out.mp4.using Chrome > F12 > Network > Filter: m3u8 Download "Transport Stream" video streams Use -vf "transpose=2,transpose=2" for 180 degrees. Rotate 90 clockwise: ffmpeg -i in.mov -vf "transpose=1" out.movįor the transpose parameter you can pass: 0 = 90CounterCLockwise and Vertical Flip (default) To extract one frame per second only: ffmpeg -i in.mp4 -fps=1 -vsync 0 out%d.png To extract all frames from between 1 and 5 seconds, and also between 11 and 15 seconds: ffmpeg -i in.mp4 -vf select='between(t,1,5)+between(t,11,15)' -vsync 0 out%d.png Then add them using a video filter: ffmpeg -i in.mp4 -vf ass=sub.ass out.mp4 FFMPEG MKV TO MP4 COMMAND LINE INSTALLUse the libass library (make sure your ffmpeg install has the library in the configuration -enable-libass).įirst convert the subtitles to. Then, run ffmpeg: ffmpeg -f concat -i list.txt -c copy out.mp4ĭelay video by 3.84 seconds: ffmpeg -i in.mp4 -itsoffset 3.84 -i in.mp4 -map 1:v -map 0:a -vcodec copyĭelay audio by 3.84 seconds: ffmpeg -i in.mp4 -itsoffset 3.84 -i in.mp4 -map 0:v -map 1:a -vcodec copy See the -map option documentation for more info.The -shortest option will cause the output duration to match the duration of the shortest input stream. If you want to re-encode, see FFmpeg Wiki: H.264 Encoding Guide.
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