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author | Kelebek1 <eeeedddccc@hotmail.co.uk> | 2022-07-17 00:48:45 +0200 |
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committer | Kelebek1 <eeeedddccc@hotmail.co.uk> | 2022-07-22 02:11:32 +0200 |
commit | 458da8a94877677f086f06cdeecf959ec4283a33 (patch) | |
tree | 583166d77602ad90a0d552f37de8729ad80fd6c1 /src/audio_core/out/audio_out.h | |
parent | Merge pull request #8598 from Link4565/recv-dontwait (diff) | |
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Diffstat (limited to 'src/audio_core/out/audio_out.h')
-rw-r--r-- | src/audio_core/out/audio_out.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/audio_core/out/audio_out.h b/src/audio_core/out/audio_out.h new file mode 100644 index 000000000..f6b921645 --- /dev/null +++ b/src/audio_core/out/audio_out.h @@ -0,0 +1,147 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include <mutex> + +#include "audio_core/out/audio_out_system.h" + +namespace Core { +class System; +} + +namespace Kernel { +class KEvent; +class KReadableEvent; +} // namespace Kernel + +namespace AudioCore::AudioOut { +class Manager; + +/** + * Interface between the service and audio out system. Mainly responsible for forwarding service + * calls to the system. + */ +class Out { +public: + explicit Out(Core::System& system, Manager& manager, Kernel::KEvent* event, size_t session_id); + + /** + * Free this audio out from the audio out manager. + */ + void Free(); + + /** + * Get this audio out's system. + */ + System& GetSystem(); + + /** + * Get the current state. + * + * @return Started or Stopped. + */ + AudioOut::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 AudioOutBuffer& buffer, u64 tag); + + /** + * Release all completed buffers, and register any appended. + */ + void ReleaseAndRegisterBuffers(); + + /** + * Flush all buffers. + */ + bool FlushAudioOutBuffers(); + + /** + * 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 out, 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 out. + * + * @return The played sample count. + */ + u64 GetPlayedSampleCount(); + +private: + /// The AudioOut::Manager this audio out 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 out system + System system; +}; + +} // namespace AudioCore::AudioOut |