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29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
# ffmpeg
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# Tools for transcoding, streaming and playing of multimedia files
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# Convert IN_FILE to OUT_FILE, based on its extension. So, if your IN_FILE has
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# the `.mp3` extension and your OUT_FILE has the `.ogg` extension, then your
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# file will be converted -- but original kept in-tact -- to an OGG file.
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ffmpeg -i IN_FILE OUT_FILE
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# Remove the original upon successful completion of ffmpeg(1).
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ffmpeg -i IN_FILE OUT_FILE && rm -v IN_FILE
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# Convert all MP3s in the CWD to OGGs, deleting the originals when successfully
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# converted. This will be a huge time-saver! Note that this is Bash syntax.
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# By the way, this example works non-recursively.
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for File in *.mp3; { [ -f "$File" ] || continue; ffmpeg -i "$File" "${File%.mp3}.ogg" && rm -v "$File"; }
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# Obviously ffmpeg(1) works with audio files, but it can also work on images.
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# This example will convert a JPEG image to the PNG format.
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ffmpeg -i ImageFile.jpg ImageFile.png
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# By default, ffmpeg(1) is really verbose, so shut it up, displaying only the
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# more important information, by using the `-v` flag, followed by its `0`
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# argument; this argument means that only 'panic' messages will be shown. Refer
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# to the ffmpeg(1) man page for more information on these levels of logging.
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ffmpeg -v 0 -i IN_FILE OUT_FILE
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# If you want to see ongoing but not over-the-top statistics for the file on
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# which ffmpeg(1) is currently working, you can make use of the `-stats` flag.
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ffmpeg -stats -i IN_FILE OUT_FILE
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