Make a grayscale version and scale to 640x480 Convert MP4 to WEBMįfmpeg -i input.mp4 -c:v libvpx-vp9 -crf 31 -b:v 1M output.webmĬheck for streams that you want (video/audio). Very little change in video quality.įfmpeg -i video.mov -vf eq=saturation=0 -s 640x480 -c:v libx264 -crf 24 output.mp4 If you want to cut off section from the beginning, simply drop -t 00:00:10 from the command reduce filesizeįfmpeg -i input.mov -vcodec libx264 -crf 24 output.mp4 Use ffmpeg cut mp4 video with re-encodingįfmpeg -i source.mp4 -ss 00:00:05 -t 00:00:10 -async 1 -strict -2 cut_video.mp4

Synopsis: ffmpeg -i -ss -t use ffmpeg cut mp4 video without re-encodingįfmpeg -i source.mp4 -ss 00:00:05 -t 00:00:10 -c copy cut_video.mp4

You can get the list of installed codecs with:Ĭonvert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:įfmpeg -i input.wav -ac 1 -ab 64000 -ar 22050 output.mp3Ĭonvert any MP3 file to WAV 16khz mono 16bit:įfmpeg -i 111.mp3 -acodec pcm_s16le -ac 1 -ar 16000 out.wavĬonvert any MP3 file to WAV 20khz mono 16bit for ADDAC WAV Player:įfmpeg -i 111.mp3 -acodec pcm_s16le -ac 1 -ar 22050 out.wavįor i in *.mp3 do ffmpeg -i '$i' -acodec pcm_s16le -ac 1 -ar 22050 '$-fade.wav' doneĭo you need to cut video with re-encoding or without re-encoding mode? You can try to following below command.

You can get the list of supported formats with: Minimal example: transcode from MP3 to WMA: Ffmpeg Converting Audio into Different Formats / Sample Rates

Ffmpeg remove audio streams