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service/am: Add basic implementation of ChangeMainAppletMasterVolume

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All this does is supply a new volume level and a fade time in
nanoseconds for the volume transition to occur within.
This commit is contained in:
Lioncash 2019-03-17 22:39:29 -04:00
parent a3db2ec8af
commit a7cb88f3b2
2 changed files with 29 additions and 1 deletions
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8
src/core/hle/service/am/am.h
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@ -4,6 +4,7 @@
#pragma once
#include <chrono>
#include <memory>
#include <queue>
#include "core/hle/kernel/writable_event.h"
@ -81,6 +82,7 @@ private:
void SetExpectedMasterVolume(Kernel::HLERequestContext& ctx);
void GetMainAppletExpectedMasterVolume(Kernel::HLERequestContext& ctx);
void GetLibraryAppletExpectedMasterVolume(Kernel::HLERequestContext& ctx);
void ChangeMainAppletMasterVolume(Kernel::HLERequestContext& ctx);
void SetTransparentAudioRate(Kernel::HLERequestContext& ctx);
static constexpr float min_allowed_volume = 0.0f;
@ -89,6 +91,12 @@ private:
float main_applet_volume{0.25f};
float library_applet_volume{max_allowed_volume};
float transparent_volume_rate{min_allowed_volume};
// Volume transition fade time in nanoseconds.
// e.g. If the main applet volume was 0% and was changed to 50%
// with a fade of 50ns, then over the course of 50ns,
// the volume will gradually fade up to 50%
std::chrono::nanoseconds fade_time_ns{0};
};
class IDisplayController final : public ServiceFramework<IDisplayController> {