| commit | 13adf14c608fd7284624d407b103017ec7420820 | [log] [tgz] |
|---|---|---|
| author | Tom Bergan <tombergan@fuchsia.infra.roller.google.com> | Thu Dec 08 21:52:24 2022 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Thu Dec 08 13:54:04 2022 -0800 |
| tree | 442b6c50e850fd2bcd688bf20919131820e80fd4 | |
| parent | b6700bad704b0368b082ccb6011d7b3f0383d502 [diff] |
[roll] Roll fuchsia [audio] Add audio_core/v2/UsageVolume UsageVolume wraps the gain controls for a single usage. Each usage has two controls: one from the "primary" volume slider and one "adjustment" which applies muting/ducking rules. This implements the old StreamVolume interface: https://cs.opensource.google/fuchsia/fuchsia/+/main:src/media/audio/audio_core/shared/stream_volume_manager.h;drc=1ec3ad0308e3d4d27e035fc72e38a7ccabd3e8f3;l=37 Implementing StreamVolume will let us reuse StreamVolumeManager verbatim in audio_core/v2, which will (hopefully) reduce the chance of accidential new bugs. A future CL will create one UsageVolume for each pair (device, usage). For example, if output device A supports MEDIA and INTERRUPTION usage, while output device B supports only the MEDIA usage, we'll create three UsageVolume objects. We create separate UsageVolumes per device because each device may use a unique VolumeCurve. These UsageVolume objects will be added to StreamVolumeManager (via `AddStream`) when the device is plugged in, then removed from StreamVolumeManager (via `RemoveStream`) when the device is unplugged. Original-Bug: 98652 Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/773324 Original-Revision: 4b85c44d1403e34620c75348a142cd2b71bde818 GitOrigin-RevId: 2bc123c3ba57d3d75c9f2d65f330f03318ab3be3 Change-Id: Ib53a7259bc4798f03a4d4b6b7456dda4f660c6a0
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