// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <cstring>
#include <vector>
#include "audio_core/out/audio_out_system.h"
#include "audio_core/renderer/audio_device.h"
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "common/scratch_buffer.h"
#include "common/string_util.h"
#include "common/swap.h"
#include "core/core.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/audio/audout_u.h"
#include "core/hle/service/audio/errors.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/memory.h"
namespace Service::Audio {
using namespace AudioCore::AudioOut;
class IAudioOut final : public ServiceFramework<IAudioOut> {
public:
explicit IAudioOut(Core::System& system_, AudioCore::AudioOut::Manager& manager,
size_t session_id, const std::string& device_name,
const AudioOutParameter& in_params, u32 handle, u64 applet_resource_user_id)
: ServiceFramework{system_, "IAudioOut"}, service_context{system_, "IAudioOut"},
event{service_context.CreateEvent("AudioOutEvent")},
impl{std::make_shared<AudioCore::AudioOut::Out>(system_, manager, event, session_id)} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &IAudioOut::GetAudioOutState, "GetAudioOutState"},
{1, &IAudioOut::Start, "Start"},
{2, &IAudioOut::Stop, "Stop"},
{3, &IAudioOut::AppendAudioOutBuffer, "AppendAudioOutBuffer"},
{4, &IAudioOut::RegisterBufferEvent, "RegisterBufferEvent"},
{5, &IAudioOut::GetReleasedAudioOutBuffers, "GetReleasedAudioOutBuffers"},
{6, &IAudioOut::ContainsAudioOutBuffer, "ContainsAudioOutBuffer"},
{7, &IAudioOut::AppendAudioOutBuffer, "AppendAudioOutBufferAuto"},
{8, &IAudioOut::GetReleasedAudioOutBuffers, "GetReleasedAudioOutBuffersAuto"},
{9, &IAudioOut::GetAudioOutBufferCount, "GetAudioOutBufferCount"},
{10, &IAudioOut::GetAudioOutPlayedSampleCount, "GetAudioOutPlayedSampleCount"},
{11, &IAudioOut::FlushAudioOutBuffers, "FlushAudioOutBuffers"},
{12, &IAudioOut::SetAudioOutVolume, "SetAudioOutVolume"},
{13, &IAudioOut::GetAudioOutVolume, "GetAudioOutVolume"},
};
// clang-format on
RegisterHandlers(functions);
}
~IAudioOut() override {
impl->Free();
service_context.CloseEvent(event);
}
[[nodiscard]] std::shared_ptr<AudioCore::AudioOut::Out> GetImpl() {
return impl;
}
private:
void GetAudioOutState(HLERequestContext& ctx) {
const auto state = static_cast<u32>(impl->GetState());
LOG_DEBUG(Service_Audio, "called. State={}", state);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(state);
}
void Start(HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
auto result = impl->StartSystem();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void Stop(HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
auto result = impl->StopSystem();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void AppendAudioOutBuffer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u64 tag = rp.PopRaw<u64>();
const auto in_buffer_size{ctx.GetReadBufferSize()};
if (in_buffer_size < sizeof(AudioOutBuffer)) {
LOG_ERROR(Service_Audio, "Input buffer is too small for an AudioOutBuffer!");
}
const auto& in_buffer = ctx.ReadBuffer();
AudioOutBuffer buffer{};
std::memcpy(&buffer, in_buffer.data(), sizeof(AudioOutBuffer));
LOG_TRACE(Service_Audio, "called. Session {} Appending buffer {:08X}",
impl->GetSystem().GetSessionId(), tag);
auto result = impl->AppendBuffer(buffer, tag);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void RegisterBufferEvent(HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
auto& buffer_event = impl->GetBufferEvent();
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(buffer_event);
}
void GetReleasedAudioOutBuffers(HLERequestContext& ctx) {
const auto write_buffer_size = ctx.GetWriteBufferNumElements<u64>();
released_buffer.resize_destructive(write_buffer_size);
released_buffer[0] = 0;
const auto count = impl->GetReleasedBuffers(released_buffer);
ctx.WriteBuffer(released_buffer);
LOG_TRACE(Service_Audio, "called. Session {} released {} buffers",
impl->GetSystem().GetSessionId(), count);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(count);
}
void ContainsAudioOutBuffer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 tag{rp.Pop<u64>()};
const auto buffer_queued{impl->ContainsAudioBuffer(tag)};
LOG_DEBUG(Service_Audio, "called. Is buffer {:08X} registered? {}", tag, buffer_queued);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(buffer_queued);
}
void GetAudioOutBufferCount(HLERequestContext& ctx) {
const auto buffer_count = impl->GetBufferCount();
LOG_DEBUG(Service_Audio, "called. Buffer count={}", buffer_count);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(buffer_count);
}
void GetAudioOutPlayedSampleCount(HLERequestContext& ctx) {
const auto samples_played = impl->GetPlayedSampleCount();
LOG_DEBUG(Service_Audio, "called. Played samples={}", samples_played);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push(samples_played);
}
void FlushAudioOutBuffers(HLERequestContext& ctx) {
bool flushed{impl->FlushAudioOutBuffers()};
LOG_DEBUG(Service_Audio, "called. Were any buffers flushed? {}", flushed);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(flushed);
}
void SetAudioOutVolume(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto volume = rp.Pop<f32>();
LOG_DEBUG(Service_Audio, "called. Volume={}", volume);
impl->SetVolume(volume);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetAudioOutVolume(HLERequestContext& ctx) {
const auto volume = impl->GetVolume();
LOG_DEBUG(Service_Audio, "called. Volume={}", volume);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(volume);
}
KernelHelpers::ServiceContext service_context;
Kernel::KEvent* event;
std::shared_ptr<AudioCore::AudioOut::Out> impl;
Common::ScratchBuffer<u64> released_buffer;
};
AudOutU::AudOutU(Core::System& system_)
: ServiceFramework{system_, "audout:u"}, service_context{system_, "AudOutU"},
impl{std::make_unique<AudioCore::AudioOut::Manager>(system_)} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &AudOutU::ListAudioOuts, "ListAudioOuts"},
{1, &AudOutU::OpenAudioOut, "OpenAudioOut"},
{2, &AudOutU::ListAudioOuts, "ListAudioOutsAuto"},
{3, &AudOutU::OpenAudioOut, "OpenAudioOutAuto"},
};
// clang-format on
RegisterHandlers(functions);
}
AudOutU::~AudOutU() = default;
void AudOutU::ListAudioOuts(HLERequestContext& ctx) {
using namespace AudioCore::Renderer;
std::scoped_lock l{impl->mutex};
const auto write_count =
static_cast<u32>(ctx.GetWriteBufferNumElements<AudioDevice::AudioDeviceName>());
std::vector<AudioDevice::AudioDeviceName> device_names{};
if (write_count > 0) {
device_names.emplace_back("DeviceOut");
LOG_DEBUG(Service_Audio, "called. \nName=DeviceOut");
} else {
LOG_DEBUG(Service_Audio, "called. Empty buffer passed in.");
}
ctx.WriteBuffer(device_names);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(static_cast<u32>(device_names.size()));
}
void AudOutU::OpenAudioOut(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto in_params{rp.PopRaw<AudioOutParameter>()};
auto applet_resource_user_id{rp.PopRaw<u64>()};
const auto device_name_data{ctx.ReadBuffer()};
auto device_name = Common::StringFromBuffer(device_name_data);
auto handle{ctx.GetCopyHandle(0)};
auto link{impl->LinkToManager()};
if (link.IsError()) {
LOG_ERROR(Service_Audio, "Failed to link Audio Out to Audio Manager");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(link);
return;
}
size_t new_session_id{};
auto result{impl->AcquireSessionId(new_session_id)};
if (result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
LOG_DEBUG(Service_Audio, "Opening new AudioOut, sessionid={}, free sessions={}", new_session_id,
impl->num_free_sessions);
auto audio_out = std::make_shared<IAudioOut>(system, *impl, new_session_id, device_name,
in_params, handle, applet_resource_user_id);
result = audio_out->GetImpl()->GetSystem().Initialize(device_name, in_params, handle,
applet_resource_user_id);
if (result.IsError()) {
LOG_ERROR(Service_Audio, "Failed to initialize the AudioOut System!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
impl->sessions[new_session_id] = audio_out->GetImpl();
impl->applet_resource_user_ids[new_session_id] = applet_resource_user_id;
auto& out_system = impl->sessions[new_session_id]->GetSystem();
AudioOutParameterInternal out_params{.sample_rate = out_system.GetSampleRate(),
.channel_count = out_system.GetChannelCount(),
.sample_format =
static_cast<u32>(out_system.GetSampleFormat()),
.state = static_cast<u32>(out_system.GetState())};
IPC::ResponseBuilder rb{ctx, 6, 0, 1};
ctx.WriteBuffer(out_system.GetName());
rb.Push(ResultSuccess);
rb.PushRaw<AudioOutParameterInternal>(out_params);
rb.PushIpcInterface<IAudioOut>(audio_out);
}
} // namespace Service::Audio