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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/in/audio_in.h
parentMerge pull request #8598 from Link4565/recv-dontwait (diff)
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diff --git a/src/audio_core/in/audio_in.h b/src/audio_core/in/audio_in.h
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+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <mutex>
+
+#include "audio_core/in/audio_in_system.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace AudioCore::AudioIn {
+class Manager;
+
+/**
+ * Interface between the service and audio in system. Mainly responsible for forwarding service
+ * calls to the system.
+ */
+class In {
+public:
+ explicit In(Core::System& system, Manager& manager, Kernel::KEvent* event, size_t session_id);
+
+ /**
+ * Free this audio in from the audio in manager.
+ */
+ void Free();
+
+ /**
+ * Get this audio in's system.
+ */
+ System& GetSystem();
+
+ /**
+ * Get the current state.
+ *
+ * @return Started or Stopped.
+ */
+ AudioIn::State GetState();
+
+ /**
+ * Start the system
+ *
+ * @return Result code
+ */
+ Result StartSystem();
+
+ /**
+ * Start the system's device session.
+ */
+ void StartSession();
+
+ /**
+ * Stop the system.
+ *
+ * @return Result code
+ */
+ Result StopSystem();
+
+ /**
+ * Append a new buffer to the system, the buffer event will be signalled when it is filled.
+ *
+ * @param buffer - The new buffer to append.
+ * @param tag - Unique tag for this buffer.
+ * @return Result code.
+ */
+ Result AppendBuffer(const AudioInBuffer& buffer, u64 tag);
+
+ /**
+ * Release all completed buffers, and register any appended.
+ */
+ void ReleaseAndRegisterBuffers();
+
+ /**
+ * Flush all buffers.
+ */
+ bool FlushAudioInBuffers();
+
+ /**
+ * Get all of the currently released buffers.
+ *
+ * @param tags - Output container for the buffer tags which were released.
+ * @return The number of buffers released.
+ */
+ u32 GetReleasedBuffers(std::span<u64> tags);
+
+ /**
+ * Get the buffer event for this audio in, this event will be signalled when a buffer is filled.
+ *
+ * @return The buffer event.
+ */
+ Kernel::KReadableEvent& GetBufferEvent();
+
+ /**
+ * Get the current system volume.
+ *
+ * @return The current volume.
+ */
+ f32 GetVolume();
+
+ /**
+ * Set the system volume.
+ *
+ * @param volume - The volume to set.
+ */
+ void SetVolume(f32 volume);
+
+ /**
+ * Check if a buffer is in the system.
+ *
+ * @param tag - The tag to search for.
+ * @return True if the buffer is in the system, otherwise false.
+ */
+ bool ContainsAudioBuffer(u64 tag);
+
+ /**
+ * Get the maximum number of buffers.
+ *
+ * @return The maximum number of buffers.
+ */
+ u32 GetBufferCount();
+
+ /**
+ * Get the total played sample count for this audio in.
+ *
+ * @return The played sample count.
+ */
+ u64 GetPlayedSampleCount();
+
+private:
+ /// The AudioIn::Manager this audio in is registered with
+ Manager& manager;
+ /// Manager's mutex
+ std::recursive_mutex& parent_mutex;
+ /// Buffer event, signalled when buffers are ready to be released
+ Kernel::KEvent* event;
+ /// Main audio in system
+ System system;
+};
+
+} // namespace AudioCore::AudioIn