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FFmpeg
ffmpeg(1) is a command-line utility for manipulating media files programmatically.
Contents
Installation
Most Linux or BSD distributions offer a ffmpeg package.
Usage
Converting Audio Files
To convert from MP3 into FLAC formats, try:
ffmpeg -i example.mp3 example.flac
The input and output formats are automatically detected from the filenames.
Converting Video Files
To convert from MP4 into WEBM formats, try:
ffmpeg -i example.mp4 example.webm
The input and output formats are automatically detected from the filenames.
Extracting Thumbnail Images
To extract the frame at 1 minute into a video as a PNG image, try:
ffmpeg -i example.webm -ss 00:01:00.000 -vframes 1 example.png