ffmpeg convert mkv to mp4 select audio track

Use the scale filter to specify the width of the GIF, the -t parameter specific the duration while -r specifies the frame rate (fps).įfmpeg -i video.mp4 -vf scale=500:-1 -t 10 -r 10 image.gif 8.

Convert a video into an animated GIFįFmpeg is an excellent tool for converting videos into animated GIFs and the quality isn’t bad either. The -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.įfmpeg -i video.mp4 -vn -ab 256 audio.mp3 7. Use the -an parameter to disable the audio portion of a video stream.įfmpeg -i video.mp4 -an mute-video.mp4 6. Mute a video (Remove the audio component) Create an input file with a list of all source files that you wish to concatenate and then run this command.įfmpeg -f concat -i file-list.txt -c copy output.mp4 5. If you have multiple audio or video files encoded with the same codecs, you can join them into a single file using FFmpeg. Encoding a video takes time but you can speed up the process by forcing a preset though it would degrade the quality of the output video.įfmpeg -i youtube.flv -c:v libx264 filename.mp4įfmpeg -i video.wmv -c:v libx264 -preset ultrafast video.mp4 4. You can use the -vcodec parameter to specify the encoding format to be used for the output video. This command will split the source video into 2 parts - one ending at 50s from the start and the other beginning at 50s and ending at the end of the input video.įfmpeg -i video.mp4 -t 00:00:50 -c copy small-1.mp4 -ss 00:00:50 -codec copy small-2.mp4 3. If you want to split a large video into multiple smaller clips without re-encoding, ffmpeg can help. You can use the time offset parameter (-ss) to specify the start time stamp in HH:MM:SS.ms format while the -t parameter is for specifying the actual duration of the clip in seconds.įfmpeg -i input.mp4 -ss 00:00:50.0 -codec copy -t 20 output.mp4 2.

If you are just getting started, here are some commands that will give you a good idea of the capabilities of this tool. ffmpeg -formats to get a list of every format that is supported by your FFmpeg installation. Useful FFmpeg CommandsįFmpeg supports all popular audio and video formats. Whether you want to join two video files, extract the audio component from a video file, convert your video into an animated GIF, FFmpeg can do it all and even more.Įxtract the audio from a video file with this simple FFmpeg command. It is free and available for Windows, Mac and Linux machines.

FFmpeg is an extremely powerful and versatile command-line tool for converting audio and video files.

Ffmpeg convert mkv to mp4 select audio track