Merge pull request #8911 from lioncash/cexpr-string

audio_device: Make AudioDeviceName constructor constexpr

1 files changed, 28 insertions, 6 deletions

diff --git a/src/audio_core/renderer/audio_device.cpp b/src/audio_core/renderer/audio_device.cpp
index d5886e55e..0d9d8f6ce 100644
--- a/src/audio_core/renderer/audio_device.cpp
+++ b/src/audio_core/renderer/audio_device.cpp
@@ -1,6 +1,9 @@
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <array>
+#include <span>
+
 #include "audio_core/audio_core.h"
 #include "audio_core/common/feature_support.h"
 #include "audio_core/renderer/audio_device.h"
@@ -9,14 +12,33 @@
 
 namespace AudioCore::AudioRenderer {
 
+constexpr std::array usb_device_names{
+    AudioDevice::AudioDeviceName{"AudioStereoJackOutput"},
+    AudioDevice::AudioDeviceName{"AudioBuiltInSpeakerOutput"},
+    AudioDevice::AudioDeviceName{"AudioTvOutput"},
+    AudioDevice::AudioDeviceName{"AudioUsbDeviceOutput"},
+};
+
+constexpr std::array device_names{
+    AudioDevice::AudioDeviceName{"AudioStereoJackOutput"},
+    AudioDevice::AudioDeviceName{"AudioBuiltInSpeakerOutput"},
+    AudioDevice::AudioDeviceName{"AudioTvOutput"},
+};
+
+constexpr std::array output_device_names{
+    AudioDevice::AudioDeviceName{"AudioBuiltInSpeakerOutput"},
+    AudioDevice::AudioDeviceName{"AudioTvOutput"},
+    AudioDevice::AudioDeviceName{"AudioExternalOutput"},
+};
+
 AudioDevice::AudioDevice(Core::System& system, const u64 applet_resource_user_id_,
                          const u32 revision)
     : output_sink{system.AudioCore().GetOutputSink()},
       applet_resource_user_id{applet_resource_user_id_}, user_revision{revision} {}
 
 u32 AudioDevice::ListAudioDeviceName(std::vector<AudioDeviceName>& out_buffer,
-                                     const size_t max_count) {
-    std::span<AudioDeviceName> names{};
+                                     const size_t max_count) const {
+    std::span<const AudioDeviceName> names{};
 
     if (CheckFeatureSupported(SupportTags::AudioUsbDeviceOutput, user_revision)) {
         names = usb_device_names;
@@ -24,7 +46,7 @@ u32 AudioDevice::ListAudioDeviceName(std::vector<AudioDeviceName>& out_buffer,
         names = device_names;
     }
 
-    u32 out_count{static_cast<u32>(std::min(max_count, names.size()))};
+    const u32 out_count{static_cast<u32>(std::min(max_count, names.size()))};
     for (u32 i = 0; i < out_count; i++) {
         out_buffer.push_back(names[i]);
     }
@@ -32,8 +54,8 @@ u32 AudioDevice::ListAudioDeviceName(std::vector<AudioDeviceName>& out_buffer,
 }
 
 u32 AudioDevice::ListAudioOutputDeviceName(std::vector<AudioDeviceName>& out_buffer,
-                                           const size_t max_count) {
-    u32 out_count{static_cast<u32>(std::min(max_count, output_device_names.size()))};
+                                           const size_t max_count) const {
+    const u32 out_count{static_cast<u32>(std::min(max_count, output_device_names.size()))};
 
     for (u32 i = 0; i < out_count; i++) {
         out_buffer.push_back(output_device_names[i]);
@@ -45,7 +67,7 @@ void AudioDevice::SetDeviceVolumes(const f32 volume) {
     output_sink.SetDeviceVolume(volume);
 }
 
-f32 AudioDevice::GetDeviceVolume([[maybe_unused]] std::string_view name) {
+f32 AudioDevice::GetDeviceVolume([[maybe_unused]] std::string_view name) const {
     return output_sink.GetDeviceVolume();
 }