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Avoid using the OSS emulation layer to fetch the master volume,
and instead share the audioio code with OpenBSD.
Avoid a failed read on the master control's mute enum if it can't
be found, because sometimes there isn't one.
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Detect and link against ossaudio.
Comment out unused code and functions.
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For my thoughts about optional dependencies, see
https://michael.stapelberg.ch/posts/2019-05-23-optional-dependencies/
This commit follows the best practices outlined in that article:
1. The travis config was modified to verify both code paths build and link/don’t
link against pulseaudio.
2. If pulseaudio is missing, the build fails until packagers explicitly pass a
--disable flag. In practice, I think the only situation when this flag should
be set is in source-based linux distributions where users can express
package-level compilation preferences (e.g. Gentoo USE flags).
3. The --version output now reflects the status of the optional dependency.
fixes #359
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This commit implements the %devicename specifier for the volume module
for both PulseAudio and ALSA. This way, i3status will be able to display
the specific device that corresponds to the volume indicator.
Note that this is not implemented for the OSS API but is left in a state
where someone can pick it up for the future.
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When using ALSA, the "Capture" mixer doesn't have the playback channel,
instead "capture"-related methods should be used to get information
about the current volume / state of the mixer.
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The rationale of the code is explained in the header:
http://git.alsa-project.org/?p=alsa-utils.git;a=blob;f=alsamixer/volume_mapping.c;h=1c0d7c45e6686239464e1b0bbc8983ea57f3914f;hb=HEAD
> The mapping is designed so that the position in the interval is
> proportional to the volume as a human ear would perceive it (i.e., the
> position is the cubic root of the linear sample multiplication
> factor).
and the commit message:
http://git.alsa-project.org/?p=alsa-utils.git;a=commit;h=34bb514b5fd1d6f91ba9a7b3a70b0ea0c6014250
> use a mapping where the bar height is proportional to the audible
> volume, i.e., where the amplitude is the cube of the bar height.
and further explanation can be found in the pull request:
https://github.com/i3/i3status/pull/268#pullrequestreview-147429763
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its now possible to have percentage before and after a variable. except
for the date. But percentage with dates does not make much sense to me, so
i skipped it.
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Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>
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On some hardware the AUDIO_MIXER_READ ioctl requires the current number
of channels to be set, and the mute device found needs to be checked if
it belongs to the master output device.
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* add audio(4) code by Robert Nagy
* disable PulseAudio
While at OpenBSD support, add "-pthread" to LIBS.
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Follow the changed done for Linux on f0cd726b
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From here on, we’ll use clang-format to automatically format the source.
This has worked well in i3, so we are introducing it for i3status.
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fixes #1353
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If the volume is muted, the volume level would simply be displayed as zero and the color changed to color_degraded.
This patch lets the user define a custom format string for when the volume is muted.
The default value is "♪: 0%" ("♪: %volume" being the usual format).
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This fix the following bug:
If you switch your sound card on-the-fly, print_volume continued to
use the old sound card.
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Otherwise, i3bar will display “SPEC VIOLATION” because full_text is
missing in the block.
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make mixer_idx load the default mixer
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This fixes compilation on !linux
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fixes #743
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i3status (Thanks Artemis)
The former made i3bar crash, the latter is helpful for debugging.
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This hardcodes all the JSON parts. Strings are not properly escaped currently.
The best/easiest way to fix this is by actually using libyajl.
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