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For channels that have a defined dB range, use that instead of the raw volume range when calculating the volume percent. Also use the same logic as alsamixer when calculating the percent from the dB values: assume a linear scale if the dB range is “small enough”, and otherwise normalize it against a logarithmic scale. With this, yambar’s “percent” value matches alsamixer’s exactly. The ‘volume’ tag remains unchanged - it always reflects the raw volume values. Instead, we add a new tag ‘dB’, that reflects the dB values. Closes #202
70 lines
1.3 KiB
Markdown
70 lines
1.3 KiB
Markdown
yambar-modules-alsa(5)
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# NAME
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alsa - Monitors an alsa soundcard for volume and mute/unmute changes
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# TAGS
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[[ *Name*
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:[ *Type*
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:[ *Description*
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| online
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: bool
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: True when the ALSA device has successfully been opened
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| dB
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: range
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: Volume level (in dB), with min and max as start and end range
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values.
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| volume
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: range
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: Volume level (raw), with min and max as start and end range values
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| percent
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: range
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: Volume level, as a percentage. This value is based on the *dB* tag
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if available, otherwise the *volume* tag.
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| muted
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: bool
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: True if muted, otherwise false
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# CONFIGURATION
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[[ *Name*
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:[ *Type*
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:[ *Req*
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:[ *Description*
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| card
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: string
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: yes
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: The soundcard name. *default* might work.
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| mixer
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: string
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: yes
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: Mixer channel to monitor. _Master_ might work.
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| volume
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: string
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: no
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: The name of the channel to use as source for the volume level
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(default: first available channel, usually "Front Left").
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| muted
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: string
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: no
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: The name of the channel to use as source for the muted state
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(default: first available channel, usually "Front Left").
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# EXAMPLES
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```
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bar:
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left:
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- alsa:
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card: hw:PCH
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mixer: Master
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content: {string: {text: "{volume}"}}
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```
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# SEE ALSO
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*yambar-modules*(5), *yambar-particles*(5), *yambar-tags*(5), *yambar-decorations*(5)
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