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update readme

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filifa 2024-09-07 19:33:41 -05:00
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commit 6a85dcb816
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10
README.md
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@ -20,16 +20,16 @@ milkbucket reads a PCM stream from standard input to generate visualizations.
If you have an audio file and a preset in mind, you can use `ffmpeg` to
generate the PCM stream, then pipe to milkbucket, like so:
```
ffmpeg -i $audio -ar 44100 -f s16le - | ./milkbucket -p $preset
ffmpeg -i $audio -ar 44100 -f s16le - | ./milkbucket $preset
```
Note that you can pass in multiple presets with multiple `-p` flags, then use
the arrow keys to cycle through the presets while running.
Note that you can pass in multiple presets, then use the arrow keys to cycle
through the presets while running.
Note that neither of these commands (ffmpeg or milkbucket) will output any
audio! If you want to hear the audio at the same time (and assuming your
machine uses pipewire), run:
```
ffmpeg -i $audio -ar 44100 -f s16le - | tee >(pw-play --rate=44100 --format=s16 -) | ./milkbucket -p $preset
ffmpeg -i $audio -ar 44100 -f s16le - | tee >(pw-play --rate=44100 --format=s16 -) | ./milkbucket $preset
```
(If you don't use pipewire try using `aplay` instead of `pw-play`, or some
other command for playing PCM streams.)
@ -37,5 +37,5 @@ other command for playing PCM streams.)
You can also generate a visualization from your system sound. Assuming pipewire
again, and that you have audio coming from Firefox, run:
```
pw-record --target Firefox - | ./milkbucket -p $preset
pw-record --target Firefox - | ./milkbucket $preset
```