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authorKelebek1 <eeeedddccc@hotmail.co.uk>2022-07-17 00:48:45 +0200
committerKelebek1 <eeeedddccc@hotmail.co.uk>2022-07-22 02:11:32 +0200
commit458da8a94877677f086f06cdeecf959ec4283a33 (patch)
tree583166d77602ad90a0d552f37de8729ad80fd6c1 /src/audio_core/renderer/audio_device.h
parentMerge pull request #8598 from Link4565/recv-dontwait (diff)
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Diffstat (limited to 'src/audio_core/renderer/audio_device.h')
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diff --git a/src/audio_core/renderer/audio_device.h b/src/audio_core/renderer/audio_device.h
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+++ b/src/audio_core/renderer/audio_device.h
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+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <span>
+
+#include "audio_core/audio_render_manager.h"
+
+namespace Core {
+class System;
+}
+
+namespace AudioCore {
+namespace Sink {
+class Sink;
+}
+
+namespace AudioRenderer {
+/**
+ * An interface to an output audio device available to the Switch.
+ */
+class AudioDevice {
+public:
+ struct AudioDeviceName {
+ std::array<char, 0x100> name;
+
+ AudioDeviceName(const char* name_) {
+ std::strncpy(name.data(), name_, name.size());
+ }
+ };
+
+ std::array<AudioDeviceName, 4> usb_device_names{"AudioStereoJackOutput",
+ "AudioBuiltInSpeakerOutput", "AudioTvOutput",
+ "AudioUsbDeviceOutput"};
+ std::array<AudioDeviceName, 3> device_names{"AudioStereoJackOutput",
+ "AudioBuiltInSpeakerOutput", "AudioTvOutput"};
+ std::array<AudioDeviceName, 3> output_device_names{"AudioBuiltInSpeakerOutput", "AudioTvOutput",
+ "AudioExternalOutput"};
+
+ explicit AudioDevice(Core::System& system, u64 applet_resource_user_id, u32 revision);
+
+ /**
+ * Get a list of the available output devices.
+ *
+ * @param out_buffer - Output buffer to write the available device names.
+ * @param max_count - Maximum number of devices to write (count of out_buffer).
+ * @return Number of device names written.
+ */
+ u32 ListAudioDeviceName(std::vector<AudioDeviceName>& out_buffer, size_t max_count);
+
+ /**
+ * Get a list of the available output devices.
+ * Different to above somehow...
+ *
+ * @param out_buffer - Output buffer to write the available device names.
+ * @param max_count - Maximum number of devices to write (count of out_buffer).
+ * @return Number of device names written.
+ */
+ u32 ListAudioOutputDeviceName(std::vector<AudioDeviceName>& out_buffer, size_t max_count);
+
+ /**
+ * Set the volume of all streams in the backend sink.
+ *
+ * @param volume - Volume to set.
+ */
+ void SetDeviceVolumes(f32 volume);
+
+ /**
+ * Get the volume for a given device name.
+ * Note: This is not fully implemented, we only assume 1 device for all streams.
+ *
+ * @param name - Name of the device to check. Unused.
+ * @return Volume of the device.
+ */
+ f32 GetDeviceVolume(std::string_view name);
+
+private:
+ /// Backend output sink for the device
+ Sink::Sink& output_sink;
+ /// Resource id this device is used for
+ const u64 applet_resource_user_id;
+ /// User audio renderer revision
+ const u32 user_revision;
+};
+
+} // namespace AudioRenderer
+} // namespace AudioCore