tldr/pages/common/ffmpeg.md

ffmpeg

Video conversion tool.

• Extract the sound from a video and save it as MP3:

ffmpeg -i {{video.mp4}} {{sound}}.mp3

• Convert frames from a video or GIF into individual numbered images:

ffmpeg -i {{video.mpg|video.gif}} {{frame_%d.png}}

• Combine numbered images (frame_1.jpg, frame_2.jpg, etc) into a video or GIF:

ffmpeg -i {{frame_%d.jpg}} -f image2 {{video.mpg|video.gif}}

• Extract a single frame from a video at time mm:ss and save it as a 128x128 resolution image:

ffmpeg -i {{video.mp4}} -ss {{mm:ss}} -frames 1 -s {{128x128}} -f image2 {{image.png}}

• Convert AVI video to MP4. AAC Audio @ 128kbit, Video @ 1250Kbit:

ffmpeg -i {{input_video}}.avi -acodec libfaac -ab 128k -vcodec mpeg4 -b 1250K {{output_video}}.mp4