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3da76e4150
* Applying the snake_case convention throughout the repo
- Also removing the file extension where not needed
- Adding {{ }} on a few old pages
* Addressing concerns
- Added {{ }} where they were missed out
- Removed spaces inside {{ }}
- Reverting "file" to "filename" to make it clearer
* Fixing the comments on nc page
19 lines
558 B
Markdown
19 lines
558 B
Markdown
# ffmpeg
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> Video conversion tool.
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- Extract the sound from a video and save it as MP3:
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`ffmpeg -i {{video_filename}} -vn -ar 44100 -ac 2 -ab 192 -f mp3 {{sound.mp3}}`
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- Convert frames from a video into individual numbered images:
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`ffmpeg -i {{video_filename}} {{image%d.png}}`
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- Combine numbered images (image1.jpg, image2.jpg, etc) into a video:
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`ffmpeg -f image2 -i {{image%d.jpg}} {{video.mpg}}`
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- Convert AVI video to MP4. AAC Audio @ 128kbit, Video @ 1250Kbit:
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`ffmpeg -i {{in.avi}} -acodec libfaac -ab 128k -vcodec mpeg4 -b 1250K {{out.mp4}}`
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