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update readme

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filifa 2024-09-07 19:33:41 -05:00
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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 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: 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 Note that you can pass in multiple presets, then use the arrow keys to cycle
the arrow keys to cycle through the presets while running. through the presets while running.
Note that neither of these commands (ffmpeg or milkbucket) will output any 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 audio! If you want to hear the audio at the same time (and assuming your
machine uses pipewire), run: 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 (If you don't use pipewire try using `aplay` instead of `pw-play`, or some
other command for playing PCM streams.) 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 You can also generate a visualization from your system sound. Assuming pipewire
again, and that you have audio coming from Firefox, run: again, and that you have audio coming from Firefox, run:
``` ```
pw-record --target Firefox - | ./milkbucket -p $preset pw-record --target Firefox - | ./milkbucket $preset
``` ```