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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/core_timing.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/service/audio/audren_u.h"
namespace Service {
namespace Audio {
/// TODO(bunnei): Find a proper value for the audio_ticks
constexpr u64 audio_ticks{static_cast<u64>(BASE_CLOCK_RATE / 200)};
class IAudioRenderer final : public ServiceFramework<IAudioRenderer> {
public:
IAudioRenderer() : ServiceFramework("IAudioRenderer") {
static const FunctionInfo functions[] = {
{0x0, nullptr, "GetAudioRendererSampleRate"},
{0x1, nullptr, "GetAudioRendererSampleCount"},
{0x2, nullptr, "GetAudioRendererMixBufferCount"},
{0x3, nullptr, "GetAudioRendererState"},
{0x4, &IAudioRenderer::RequestUpdateAudioRenderer, "RequestUpdateAudioRenderer"},
{0x5, &IAudioRenderer::StartAudioRenderer, "StartAudioRenderer"},
{0x6, &IAudioRenderer::StopAudioRenderer, "StopAudioRenderer"},
{0x7, &IAudioRenderer::QuerySystemEvent, "QuerySystemEvent"},
{0x8, nullptr, "SetAudioRendererRenderingTimeLimit"},
{0x9, nullptr, "GetAudioRendererRenderingTimeLimit"},
};
RegisterHandlers(functions);
system_event =
Kernel::Event::Create(Kernel::ResetType::OneShot, "IAudioRenderer:SystemEvent");
// Register event callback to update the Audio Buffer
audio_event = CoreTiming::RegisterEvent(
"IAudioRenderer::UpdateAudioCallback", [this](u64 userdata, int cycles_late) {
UpdateAudioCallback();
CoreTiming::ScheduleEvent(audio_ticks - cycles_late, audio_event);
});
// Start the audio event
CoreTiming::ScheduleEvent(audio_ticks, audio_event);
}
~IAudioRenderer() = default;
private:
void UpdateAudioCallback() {
system_event->Signal();
}
void RequestUpdateAudioRenderer(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "%s", ctx.Description().c_str());
AudioRendererResponseData response_data{};
response_data.section_0_size =
response_data.state_entries.size() * sizeof(AudioRendererStateEntry);
response_data.section_1_size = response_data.section_1.size();
response_data.section_2_size = response_data.section_2.size();
response_data.section_3_size = response_data.section_3.size();
response_data.section_4_size = response_data.section_4.size();
response_data.section_5_size = response_data.section_5.size();
response_data.total_size = sizeof(AudioRendererResponseData);
for (unsigned i = 0; i < response_data.state_entries.size(); i++) {
// 4 = Busy and 5 = Ready?
response_data.state_entries[i].state = 5;
}
ctx.WriteBuffer(&response_data, response_data.total_size);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_Audio, "(STUBBED) called");
}
void StartAudioRenderer(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_Audio, "(STUBBED) called");
}
void StopAudioRenderer(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_Audio, "(STUBBED) called");
}
void QuerySystemEvent(Kernel::HLERequestContext& ctx) {
// system_event->Signal();
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(system_event);
LOG_WARNING(Service_Audio, "(STUBBED) called");
}
struct AudioRendererStateEntry {
u32_le state;
u32_le unknown_4;
u32_le unknown_8;
u32_le unknown_c;
};
static_assert(sizeof(AudioRendererStateEntry) == 0x10,
"AudioRendererStateEntry has wrong size");
struct AudioRendererResponseData {
u32_le unknown_0;
u32_le section_5_size;
u32_le section_0_size;
u32_le section_1_size;
u32_le unknown_10;
u32_le section_2_size;
u32_le unknown_18;
u32_le section_3_size;
u32_le section_4_size;
u32_le unknown_24;
u32_le unknown_28;
u32_le unknown_2c;
u32_le unknown_30;
u32_le unknown_34;
u32_le unknown_38;
u32_le total_size;
std::array<AudioRendererStateEntry, 0x18e> state_entries;
std::array<u8, 0x600> section_1;
std::array<u8, 0xe0> section_2;
std::array<u8, 0x20> section_3;
std::array<u8, 0x10> section_4;
std::array<u8, 0xb0> section_5;
};
static_assert(sizeof(AudioRendererResponseData) == 0x20e0,
"AudioRendererResponseData has wrong size");
/// This is used to trigger the audio event callback.
CoreTiming::EventType* audio_event;
Kernel::SharedPtr<Kernel::Event> system_event;
};
AudRenU::AudRenU() : ServiceFramework("audren:u") {
static const FunctionInfo functions[] = {
{0, &AudRenU::OpenAudioRenderer, "OpenAudioRenderer"},
{1, &AudRenU::GetAudioRendererWorkBufferSize, "GetAudioRendererWorkBufferSize"},
{2, &AudRenU::GetAudioRenderersProcessMasterVolume, "GetAudioRenderersProcessMasterVolume"},
{3, nullptr, "SetAudioRenderersProcessMasterVolume"},
};
RegisterHandlers(functions);
}
void AudRenU::OpenAudioRenderer(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<Audio::IAudioRenderer>();
LOG_DEBUG(Service_Audio, "called");
}
void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push<u64>(0x400);
LOG_WARNING(Service_Audio, "(STUBBED) called");
}
void AudRenU::GetAudioRenderersProcessMasterVolume(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(100);
LOG_WARNING(Service_Audio, "(STUBBED) called");
}
} // namespace Audio
} // namespace Service
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