From 458da8a94877677f086f06cdeecf959ec4283a33 Mon Sep 17 00:00:00 2001 From: Kelebek1 Date: Sat, 16 Jul 2022 23:48:45 +0100 Subject: Project Andio --- src/audio_core/out/audio_out.cpp | 100 +++++++++++++ src/audio_core/out/audio_out.h | 147 ++++++++++++++++++ src/audio_core/out/audio_out_system.cpp | 207 +++++++++++++++++++++++++ src/audio_core/out/audio_out_system.h | 257 ++++++++++++++++++++++++++++++++ 4 files changed, 711 insertions(+) create mode 100644 src/audio_core/out/audio_out.cpp create mode 100644 src/audio_core/out/audio_out.h create mode 100644 src/audio_core/out/audio_out_system.cpp create mode 100644 src/audio_core/out/audio_out_system.h (limited to 'src/audio_core/out') diff --git a/src/audio_core/out/audio_out.cpp b/src/audio_core/out/audio_out.cpp new file mode 100644 index 000000000..9a8d8a742 --- /dev/null +++ b/src/audio_core/out/audio_out.cpp @@ -0,0 +1,100 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "audio_core/audio_out_manager.h" +#include "audio_core/out/audio_out.h" +#include "core/hle/kernel/k_event.h" + +namespace AudioCore::AudioOut { + +Out::Out(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_) + : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event, + session_id_} {} + +void Out::Free() { + std::scoped_lock l{parent_mutex}; + manager.ReleaseSessionId(system.GetSessionId()); +} + +System& Out::GetSystem() { + return system; +} + +AudioOut::State Out::GetState() { + std::scoped_lock l{parent_mutex}; + return system.GetState(); +} + +Result Out::StartSystem() { + std::scoped_lock l{parent_mutex}; + return system.Start(); +} + +void Out::StartSession() { + std::scoped_lock l{parent_mutex}; + system.StartSession(); +} + +Result Out::StopSystem() { + std::scoped_lock l{parent_mutex}; + return system.Stop(); +} + +Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) { + std::scoped_lock l{parent_mutex}; + + if (system.AppendBuffer(buffer, tag)) { + return ResultSuccess; + } + return Service::Audio::ERR_BUFFER_COUNT_EXCEEDED; +} + +void Out::ReleaseAndRegisterBuffers() { + std::scoped_lock l{parent_mutex}; + if (system.GetState() == State::Started) { + system.ReleaseBuffers(); + system.RegisterBuffers(); + } +} + +bool Out::FlushAudioOutBuffers() { + std::scoped_lock l{parent_mutex}; + return system.FlushAudioOutBuffers(); +} + +u32 Out::GetReleasedBuffers(std::span tags) { + std::scoped_lock l{parent_mutex}; + return system.GetReleasedBuffers(tags); +} + +Kernel::KReadableEvent& Out::GetBufferEvent() { + std::scoped_lock l{parent_mutex}; + return event->GetReadableEvent(); +} + +f32 Out::GetVolume() { + std::scoped_lock l{parent_mutex}; + return system.GetVolume(); +} + +void Out::SetVolume(const f32 volume) { + std::scoped_lock l{parent_mutex}; + system.SetVolume(volume); +} + +bool Out::ContainsAudioBuffer(const u64 tag) { + std::scoped_lock l{parent_mutex}; + return system.ContainsAudioBuffer(tag); +} + +u32 Out::GetBufferCount() { + std::scoped_lock l{parent_mutex}; + return system.GetBufferCount(); +} + +u64 Out::GetPlayedSampleCount() { + std::scoped_lock l{parent_mutex}; + return system.GetPlayedSampleCount(); +} + +} // namespace AudioCore::AudioOut 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 + +#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 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 diff --git a/src/audio_core/out/audio_out_system.cpp b/src/audio_core/out/audio_out_system.cpp new file mode 100644 index 000000000..35afddf06 --- /dev/null +++ b/src/audio_core/out/audio_out_system.cpp @@ -0,0 +1,207 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include + +#include "audio_core/audio_event.h" +#include "audio_core/audio_manager.h" +#include "audio_core/out/audio_out_system.h" +#include "common/logging/log.h" +#include "core/core.h" +#include "core/core_timing.h" +#include "core/hle/kernel/k_event.h" + +namespace AudioCore::AudioOut { + +System::System(Core::System& system_, Kernel::KEvent* event_, size_t session_id_) + : system{system_}, buffer_event{event_}, + session_id{session_id_}, session{std::make_unique(system_)} {} + +System::~System() { + Finalize(); +} + +void System::Finalize() { + Stop(); + session->Finalize(); + buffer_event->GetWritableEvent().Signal(); +} + +std::string_view System::GetDefaultOutputDeviceName() { + return "DeviceOut"; +} + +Result System::IsConfigValid(std::string_view device_name, const AudioOutParameter& in_params) { + if ((device_name.size() > 0) && (device_name != GetDefaultOutputDeviceName())) { + return Service::Audio::ERR_INVALID_DEVICE_NAME; + } + + if (in_params.sample_rate != TargetSampleRate && in_params.sample_rate > 0) { + return Service::Audio::ERR_INVALID_SAMPLE_RATE; + } + + if (in_params.channel_count == 0 || in_params.channel_count == 2 || + in_params.channel_count == 6) { + return ResultSuccess; + } + + return Service::Audio::ERR_INVALID_CHANNEL_COUNT; +} + +Result System::Initialize(std::string& device_name, const AudioOutParameter& in_params, u32 handle_, + u64& applet_resource_user_id_) { + auto result = IsConfigValid(device_name, in_params); + if (result.IsError()) { + return result; + } + + handle = handle_; + applet_resource_user_id = applet_resource_user_id_; + if (device_name.empty() || device_name[0] == '\0') { + name = std::string(GetDefaultOutputDeviceName()); + } else { + name = std::move(device_name); + } + + sample_rate = TargetSampleRate; + sample_format = SampleFormat::PcmInt16; + channel_count = in_params.channel_count <= 2 ? 2 : 6; + volume = 1.0f; + return ResultSuccess; +} + +void System::StartSession() { + session->Start(); +} + +size_t System::GetSessionId() const { + return session_id; +} + +Result System::Start() { + if (state != State::Stopped) { + return Service::Audio::ERR_OPERATION_FAILED; + } + + session->Initialize(name, sample_format, channel_count, session_id, handle, + applet_resource_user_id, Sink::StreamType::Out); + session->SetVolume(volume); + session->Start(); + state = State::Started; + + std::vector buffers_to_flush{}; + buffers.RegisterBuffers(buffers_to_flush); + session->AppendBuffers(buffers_to_flush); + + return ResultSuccess; +} + +Result System::Stop() { + if (state == State::Started) { + session->Stop(); + session->SetVolume(0.0f); + state = State::Stopped; + } + + return ResultSuccess; +} + +bool System::AppendBuffer(const AudioOutBuffer& buffer, u64 tag) { + if (buffers.GetTotalBufferCount() == BufferCount) { + return false; + } + + AudioBuffer new_buffer{ + .played_timestamp = 0, .samples = buffer.samples, .tag = tag, .size = buffer.size}; + + buffers.AppendBuffer(new_buffer); + RegisterBuffers(); + + return true; +} + +void System::RegisterBuffers() { + if (state == State::Started) { + std::vector registered_buffers{}; + buffers.RegisterBuffers(registered_buffers); + session->AppendBuffers(registered_buffers); + } +} + +void System::ReleaseBuffers() { + bool signal{buffers.ReleaseBuffers(system.CoreTiming(), *session)}; + if (signal) { + // Signal if any buffer was released, or if none are registered, we need more. + buffer_event->GetWritableEvent().Signal(); + } +} + +u32 System::GetReleasedBuffers(std::span tags) { + return buffers.GetReleasedBuffers(tags); +} + +bool System::FlushAudioOutBuffers() { + if (state != State::Started) { + return false; + } + + u32 buffers_released{}; + buffers.FlushBuffers(buffers_released); + + if (buffers_released > 0) { + buffer_event->GetWritableEvent().Signal(); + } + return true; +} + +u16 System::GetChannelCount() const { + return channel_count; +} + +u32 System::GetSampleRate() const { + return sample_rate; +} + +SampleFormat System::GetSampleFormat() const { + return sample_format; +} + +State System::GetState() { + switch (state) { + case State::Started: + case State::Stopped: + return state; + default: + LOG_ERROR(Service_Audio, "AudioOut invalid state!"); + state = State::Stopped; + break; + } + return state; +} + +std::string System::GetName() const { + return name; +} + +f32 System::GetVolume() const { + return volume; +} + +void System::SetVolume(const f32 volume_) { + volume = volume_; + session->SetVolume(volume_); +} + +bool System::ContainsAudioBuffer(const u64 tag) { + return buffers.ContainsBuffer(tag); +} + +u32 System::GetBufferCount() { + return buffers.GetAppendedRegisteredCount(); +} + +u64 System::GetPlayedSampleCount() const { + return session->GetPlayedSampleCount(); +} + +} // namespace AudioCore::AudioOut diff --git a/src/audio_core/out/audio_out_system.h b/src/audio_core/out/audio_out_system.h new file mode 100644 index 000000000..4ca2f3417 --- /dev/null +++ b/src/audio_core/out/audio_out_system.h @@ -0,0 +1,257 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include +#include +#include +#include + +#include "audio_core/common/common.h" +#include "audio_core/device/audio_buffers.h" +#include "audio_core/device/device_session.h" +#include "core/hle/service/audio/errors.h" + +namespace Core { +class System; +} + +namespace Kernel { +class KEvent; +} + +namespace AudioCore::AudioOut { + +constexpr SessionTypes SessionType = SessionTypes::AudioOut; + +struct AudioOutParameter { + /* 0x0 */ s32_le sample_rate; + /* 0x4 */ u16_le channel_count; + /* 0x6 */ u16_le reserved; +}; +static_assert(sizeof(AudioOutParameter) == 0x8, "AudioOutParameter is an invalid size"); + +struct AudioOutParameterInternal { + /* 0x0 */ u32_le sample_rate; + /* 0x4 */ u32_le channel_count; + /* 0x8 */ u32_le sample_format; + /* 0xC */ u32_le state; +}; +static_assert(sizeof(AudioOutParameterInternal) == 0x10, + "AudioOutParameterInternal is an invalid size"); + +struct AudioOutBuffer { + /* 0x00 */ AudioOutBuffer* next; + /* 0x08 */ VAddr samples; + /* 0x10 */ u64 capacity; + /* 0x18 */ u64 size; + /* 0x20 */ u64 offset; +}; +static_assert(sizeof(AudioOutBuffer) == 0x28, "AudioOutBuffer is an invalid size"); + +enum class State { + Started, + Stopped, +}; + +/** + * Controls and drives audio output. + */ +class System { +public: + explicit System(Core::System& system, Kernel::KEvent* event, size_t session_id); + ~System(); + + /** + * Get the default audio output device name. + * + * @return The default audio output device name. + */ + std::string_view GetDefaultOutputDeviceName(); + + /** + * Is the given initialize config valid? + * + * @param device_name - The name of the requested output device. + * @param in_params - Input parameters, see AudioOutParameter. + * @return Result code. + */ + Result IsConfigValid(std::string_view device_name, const AudioOutParameter& in_params); + + /** + * Initialize this system. + * + * @param device_name - The name of the requested output device. + * @param in_params - Input parameters, see AudioOutParameter. + * @param handle - Unused. + * @param applet_resource_user_id - Unused. + * @return Result code. + */ + Result Initialize(std::string& device_name, const AudioOutParameter& in_params, u32 handle, + u64& applet_resource_user_id); + + /** + * Start this system. + * + * @return Result code. + */ + Result Start(); + + /** + * Stop this system. + * + * @return Result code. + */ + Result Stop(); + + /** + * Finalize this system. + */ + void Finalize(); + + /** + * Start this system's device session. + */ + void StartSession(); + + /** + * Get this system's id. + */ + size_t GetSessionId() const; + + /** + * Append a new buffer to the device. + * + * @param buffer - New buffer to append. + * @param tag - Unique tag of the buffer. + * @return True if the buffer was appended, otherwise false. + */ + bool AppendBuffer(const AudioOutBuffer& buffer, u64 tag); + + /** + * Register all appended buffers. + */ + void RegisterBuffers(); + + /** + * Release all registered buffers. + */ + void ReleaseBuffers(); + + /** + * Get all released buffers. + * + * @param tags - Container to be filled with the released buffers' tags. + * @return The number of buffers released. + */ + u32 GetReleasedBuffers(std::span tags); + + /** + * Flush all appended and registered buffers. + * + * @return True if buffers were successfully flushed, otherwise false. + */ + bool FlushAudioOutBuffers(); + + /** + * Get this system's current channel count. + * + * @return The channel count. + */ + u16 GetChannelCount() const; + + /** + * Get this system's current sample rate. + * + * @return The sample rate. + */ + u32 GetSampleRate() const; + + /** + * Get this system's current sample format. + * + * @return The sample format. + */ + SampleFormat GetSampleFormat() const; + + /** + * Get this system's current state. + * + * @return The current state. + */ + State GetState(); + + /** + * Get this system's name. + * + * @return The system's name. + */ + std::string GetName() const; + + /** + * Get this system's current volume. + * + * @return The system's current volume. + */ + f32 GetVolume() const; + + /** + * Set this system's current volume. + * + * @param The new volume. + */ + void SetVolume(f32 volume); + + /** + * Does the system contain this buffer? + * + * @param tag - Unique tag to search for. + * @return True if the buffer is in the system, otherwise false. + */ + bool ContainsAudioBuffer(u64 tag); + + /** + * Get the maximum number of usable buffers (default 32). + * + * @return The number of buffers. + */ + u32 GetBufferCount(); + + /** + * Get the total number of samples played by this system. + * + * @return The number of samples. + */ + u64 GetPlayedSampleCount() const; + +private: + /// Core system + Core::System& system; + /// (Unused) + u32 handle{}; + /// (Unused) + u64 applet_resource_user_id{}; + /// Buffer event, signalled when a buffer is ready + Kernel::KEvent* buffer_event; + /// Session id of this system + size_t session_id{}; + /// Device session for this system + std::unique_ptr session; + /// Audio buffers in use by this system + AudioBuffers buffers{BufferCount}; + /// Sample rate of this system + u32 sample_rate{}; + /// Sample format of this system + SampleFormat sample_format{SampleFormat::PcmInt16}; + /// Channel count of this system + u16 channel_count{}; + /// State of this system + std::atomic state{State::Stopped}; + /// Name of this system + std::string name{}; + /// Volume of this system + f32 volume{1.0f}; +}; + +} // namespace AudioCore::AudioOut -- cgit v1.2.3