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454 lines
15 KiB
C++
454 lines
15 KiB
C++
// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "audio_core/audio_types.h"
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#ifdef HAVE_MF
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#include "audio_core/hle/wmf_decoder.h"
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#endif
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#include "audio_core/hle/common.h"
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#include "audio_core/hle/decoder.h"
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#include "audio_core/hle/hle.h"
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#include "audio_core/hle/mixers.h"
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#include "audio_core/hle/shared_memory.h"
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#include "audio_core/hle/source.h"
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#include "audio_core/sink.h"
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/hash.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/core_timing.h"
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using InterruptType = Service::DSP::DSP_DSP::InterruptType;
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using Service::DSP::DSP_DSP;
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namespace AudioCore {
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static constexpr u64 audio_frame_ticks = 1310252ull; ///< Units: ARM11 cycles
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struct DspHle::Impl final {
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public:
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explicit Impl(DspHle& parent, Memory::MemorySystem& memory);
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~Impl();
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DspState GetDspState() const;
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u16 RecvData(u32 register_number);
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bool RecvDataIsReady(u32 register_number) const;
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std::vector<u8> PipeRead(DspPipe pipe_number, u32 length);
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std::size_t GetPipeReadableSize(DspPipe pipe_number) const;
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void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer);
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std::array<u8, Memory::DSP_RAM_SIZE>& GetDspMemory();
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void SetServiceToInterrupt(std::weak_ptr<DSP_DSP> dsp);
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private:
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void ResetPipes();
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void WriteU16(DspPipe pipe_number, u16 value);
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void AudioPipeWriteStructAddresses();
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std::size_t CurrentRegionIndex() const;
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HLE::SharedMemory& ReadRegion();
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HLE::SharedMemory& WriteRegion();
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StereoFrame16 GenerateCurrentFrame();
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bool Tick();
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void AudioTickCallback(s64 cycles_late);
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DspState dsp_state = DspState::Off;
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std::array<std::vector<u8>, num_dsp_pipe> pipe_data;
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HLE::DspMemory dsp_memory;
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std::array<HLE::Source, HLE::num_sources> sources{{
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HLE::Source(0), HLE::Source(1), HLE::Source(2), HLE::Source(3), HLE::Source(4),
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HLE::Source(5), HLE::Source(6), HLE::Source(7), HLE::Source(8), HLE::Source(9),
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HLE::Source(10), HLE::Source(11), HLE::Source(12), HLE::Source(13), HLE::Source(14),
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HLE::Source(15), HLE::Source(16), HLE::Source(17), HLE::Source(18), HLE::Source(19),
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HLE::Source(20), HLE::Source(21), HLE::Source(22), HLE::Source(23),
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}};
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HLE::Mixers mixers;
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DspHle& parent;
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Core::TimingEventType* tick_event;
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std::unique_ptr<HLE::DecoderBase> decoder;
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std::weak_ptr<DSP_DSP> dsp_dsp;
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};
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DspHle::Impl::Impl(DspHle& parent_, Memory::MemorySystem& memory) : parent(parent_) {
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dsp_memory.raw_memory.fill(0);
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for (auto& source : sources) {
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source.SetMemory(memory);
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}
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#ifdef HAVE_MF
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decoder = std::make_unique<HLE::WMFDecoder>(memory);
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#else
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LOG_WARNING(Audio_DSP, "FFmpeg missing, this could lead to missing audio");
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decoder = std::make_unique<HLE::NullDecoder>();
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#endif // HAVE_MF
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Core::Timing& timing = Core::System::GetInstance().CoreTiming();
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tick_event =
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timing.RegisterEvent("AudioCore::DspHle::tick_event", [this](u64, s64 cycles_late) {
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this->AudioTickCallback(cycles_late);
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});
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timing.ScheduleEvent(audio_frame_ticks, tick_event);
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}
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DspHle::Impl::~Impl() {
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Core::Timing& timing = Core::System::GetInstance().CoreTiming();
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timing.UnscheduleEvent(tick_event, 0);
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}
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DspState DspHle::Impl::GetDspState() const {
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return dsp_state;
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}
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u16 DspHle::Impl::RecvData(u32 register_number) {
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ASSERT_MSG(register_number == 0, "Unknown register_number {}", register_number);
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// Application reads this after requesting DSP shutdown, to verify the DSP has indeed shutdown
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// or slept.
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switch (GetDspState()) {
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case AudioCore::DspState::On:
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return 0;
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case AudioCore::DspState::Off:
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case AudioCore::DspState::Sleeping:
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return 1;
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default:
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UNREACHABLE();
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break;
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}
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}
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bool DspHle::Impl::RecvDataIsReady(u32 register_number) const {
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ASSERT_MSG(register_number == 0, "Unknown register_number {}", register_number);
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return true;
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}
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std::vector<u8> DspHle::Impl::PipeRead(DspPipe pipe_number, u32 length) {
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const std::size_t pipe_index = static_cast<std::size_t>(pipe_number);
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if (pipe_index >= num_dsp_pipe) {
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LOG_ERROR(Audio_DSP, "pipe_number = {} invalid", pipe_index);
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return {};
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}
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if (length > UINT16_MAX) { // Can only read at most UINT16_MAX from the pipe
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LOG_ERROR(Audio_DSP, "length of {} greater than max of {}", length, UINT16_MAX);
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return {};
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}
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std::vector<u8>& data = pipe_data[pipe_index];
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if (length > data.size()) {
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LOG_WARNING(
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Audio_DSP,
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"pipe_number = {} is out of data, application requested read of {} but {} remain",
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pipe_index, length, data.size());
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length = static_cast<u32>(data.size());
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}
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if (length == 0)
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return {};
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std::vector<u8> ret(data.begin(), data.begin() + length);
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data.erase(data.begin(), data.begin() + length);
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return ret;
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}
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size_t DspHle::Impl::GetPipeReadableSize(DspPipe pipe_number) const {
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const std::size_t pipe_index = static_cast<std::size_t>(pipe_number);
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if (pipe_index >= num_dsp_pipe) {
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LOG_ERROR(Audio_DSP, "pipe_number = {} invalid", pipe_index);
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return 0;
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}
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return pipe_data[pipe_index].size();
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}
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void DspHle::Impl::PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) {
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switch (pipe_number) {
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case DspPipe::Audio: {
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if (buffer.size() != 4) {
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LOG_ERROR(Audio_DSP, "DspPipe::Audio: Unexpected buffer length {} was written",
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buffer.size());
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return;
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}
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enum class StateChange {
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Initialize = 0,
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Shutdown = 1,
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Wakeup = 2,
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Sleep = 3,
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};
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// The difference between Initialize and Wakeup is that Input state is maintained
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// when sleeping but isn't when turning it off and on again. (TODO: Implement this.)
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// Waking up from sleep garbles some of the structs in the memory region. (TODO:
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// Implement this.) Applications store away the state of these structs before
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// sleeping and reset it back after wakeup on behalf of the DSP.
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switch (static_cast<StateChange>(buffer[0])) {
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case StateChange::Initialize:
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LOG_INFO(Audio_DSP, "Application has requested initialization of DSP hardware");
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ResetPipes();
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AudioPipeWriteStructAddresses();
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dsp_state = DspState::On;
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break;
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case StateChange::Shutdown:
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LOG_INFO(Audio_DSP, "Application has requested shutdown of DSP hardware");
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dsp_state = DspState::Off;
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break;
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case StateChange::Wakeup:
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LOG_INFO(Audio_DSP, "Application has requested wakeup of DSP hardware");
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ResetPipes();
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AudioPipeWriteStructAddresses();
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dsp_state = DspState::On;
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break;
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case StateChange::Sleep:
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LOG_INFO(Audio_DSP, "Application has requested sleep of DSP hardware");
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UNIMPLEMENTED();
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dsp_state = DspState::Sleeping;
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break;
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default:
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LOG_ERROR(Audio_DSP,
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"Application has requested unknown state transition of DSP hardware {}",
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buffer[0]);
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dsp_state = DspState::Off;
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break;
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}
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return;
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}
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case DspPipe::Binary: {
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// TODO(B3N30): Make this async, and signal the interrupt
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HLE::BinaryRequest request;
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if (sizeof(request) != buffer.size()) {
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LOG_CRITICAL(Audio_DSP, "got binary pipe with wrong size {}", buffer.size());
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UNIMPLEMENTED();
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return;
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}
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std::memcpy(&request, buffer.data(), buffer.size());
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if (request.codec != HLE::DecoderCodec::AAC) {
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LOG_CRITICAL(Audio_DSP, "got unknown codec {}", static_cast<u16>(request.codec));
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UNIMPLEMENTED();
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return;
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}
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std::optional<HLE::BinaryResponse> response = decoder->ProcessRequest(request);
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if (response) {
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const HLE::BinaryResponse& value = *response;
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pipe_data[static_cast<u32>(pipe_number)].resize(sizeof(value));
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std::memcpy(pipe_data[static_cast<u32>(pipe_number)].data(), &value, sizeof(value));
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}
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break;
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}
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default:
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LOG_CRITICAL(Audio_DSP, "pipe_number = {} unimplemented",
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static_cast<std::size_t>(pipe_number));
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UNIMPLEMENTED();
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return;
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}
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}
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std::array<u8, Memory::DSP_RAM_SIZE>& DspHle::Impl::GetDspMemory() {
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return dsp_memory.raw_memory;
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}
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void DspHle::Impl::SetServiceToInterrupt(std::weak_ptr<DSP_DSP> dsp) {
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dsp_dsp = std::move(dsp);
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}
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void DspHle::Impl::ResetPipes() {
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for (auto& data : pipe_data) {
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data.clear();
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}
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dsp_state = DspState::Off;
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}
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void DspHle::Impl::WriteU16(DspPipe pipe_number, u16 value) {
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const std::size_t pipe_index = static_cast<std::size_t>(pipe_number);
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std::vector<u8>& data = pipe_data.at(pipe_index);
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// Little endian
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data.emplace_back(value & 0xFF);
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data.emplace_back(value >> 8);
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}
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void DspHle::Impl::AudioPipeWriteStructAddresses() {
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// These struct addresses are DSP dram addresses.
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// See also: DSP_DSP::ConvertProcessAddressFromDspDram
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static const std::array<u16, 15> struct_addresses = {
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0x8000 + offsetof(HLE::SharedMemory, frame_counter) / 2,
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0x8000 + offsetof(HLE::SharedMemory, source_configurations) / 2,
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0x8000 + offsetof(HLE::SharedMemory, source_statuses) / 2,
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0x8000 + offsetof(HLE::SharedMemory, adpcm_coefficients) / 2,
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0x8000 + offsetof(HLE::SharedMemory, dsp_configuration) / 2,
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0x8000 + offsetof(HLE::SharedMemory, dsp_status) / 2,
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0x8000 + offsetof(HLE::SharedMemory, final_samples) / 2,
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0x8000 + offsetof(HLE::SharedMemory, intermediate_mix_samples) / 2,
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0x8000 + offsetof(HLE::SharedMemory, compressor) / 2,
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0x8000 + offsetof(HLE::SharedMemory, dsp_debug) / 2,
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0x8000 + offsetof(HLE::SharedMemory, unknown10) / 2,
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0x8000 + offsetof(HLE::SharedMemory, unknown11) / 2,
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0x8000 + offsetof(HLE::SharedMemory, unknown12) / 2,
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0x8000 + offsetof(HLE::SharedMemory, unknown13) / 2,
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0x8000 + offsetof(HLE::SharedMemory, unknown14) / 2,
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};
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// Begin with a u16 denoting the number of structs.
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WriteU16(DspPipe::Audio, static_cast<u16>(struct_addresses.size()));
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// Then write the struct addresses.
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for (u16 addr : struct_addresses) {
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WriteU16(DspPipe::Audio, addr);
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}
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// Signal that we have data on this pipe.
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if (auto service = dsp_dsp.lock()) {
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service->SignalInterrupt(InterruptType::Pipe, DspPipe::Audio);
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}
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}
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size_t DspHle::Impl::CurrentRegionIndex() const {
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// The region with the higher frame counter is chosen unless there is wraparound.
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// This function only returns a 0 or 1.
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const u16 frame_counter_0 = dsp_memory.region_0.frame_counter;
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const u16 frame_counter_1 = dsp_memory.region_1.frame_counter;
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if (frame_counter_0 == 0xFFFFu && frame_counter_1 != 0xFFFEu) {
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// Wraparound has occurred.
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return 1;
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}
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if (frame_counter_1 == 0xFFFFu && frame_counter_0 != 0xFFFEu) {
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// Wraparound has occurred.
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return 0;
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}
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return (frame_counter_0 > frame_counter_1) ? 0 : 1;
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}
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HLE::SharedMemory& DspHle::Impl::ReadRegion() {
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return CurrentRegionIndex() == 0 ? dsp_memory.region_0 : dsp_memory.region_1;
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}
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HLE::SharedMemory& DspHle::Impl::WriteRegion() {
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return CurrentRegionIndex() != 0 ? dsp_memory.region_0 : dsp_memory.region_1;
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}
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StereoFrame16 DspHle::Impl::GenerateCurrentFrame() {
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HLE::SharedMemory& read = ReadRegion();
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HLE::SharedMemory& write = WriteRegion();
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std::array<QuadFrame32, 3> intermediate_mixes = {};
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// Generate intermediate mixes
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for (std::size_t i = 0; i < HLE::num_sources; i++) {
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write.source_statuses.status[i] =
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sources[i].Tick(read.source_configurations.config[i], read.adpcm_coefficients.coeff[i]);
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for (std::size_t mix = 0; mix < 3; mix++) {
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sources[i].MixInto(intermediate_mixes[mix], mix);
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}
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}
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// Generate final mix
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write.dsp_status = mixers.Tick(read.dsp_configuration, read.intermediate_mix_samples,
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write.intermediate_mix_samples, intermediate_mixes);
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StereoFrame16 output_frame = mixers.GetOutput();
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// Write current output frame to the shared memory region
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for (std::size_t samplei = 0; samplei < output_frame.size(); samplei++) {
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for (std::size_t channeli = 0; channeli < output_frame[0].size(); channeli++) {
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write.final_samples.pcm16[samplei][channeli] = s16_le(output_frame[samplei][channeli]);
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}
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}
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return output_frame;
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}
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bool DspHle::Impl::Tick() {
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StereoFrame16 current_frame = {};
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// TODO: Check dsp::DSP semaphore (which indicates emulated application has finished writing to
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// shared memory region)
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current_frame = GenerateCurrentFrame();
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parent.OutputFrame(current_frame);
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return true;
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}
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void DspHle::Impl::AudioTickCallback(s64 cycles_late) {
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if (Tick()) {
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// TODO(merry): Signal all the other interrupts as appropriate.
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if (auto service = dsp_dsp.lock()) {
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service->SignalInterrupt(InterruptType::Pipe, DspPipe::Audio);
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// HACK(merry): Added to prevent regressions. Will remove soon.
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service->SignalInterrupt(InterruptType::Pipe, DspPipe::Binary);
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}
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}
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// Reschedule recurrent event
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Core::Timing& timing = Core::System::GetInstance().CoreTiming();
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timing.ScheduleEvent(audio_frame_ticks - cycles_late, tick_event);
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}
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DspHle::DspHle(Memory::MemorySystem& memory) : impl(std::make_unique<Impl>(*this, memory)) {}
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DspHle::~DspHle() = default;
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u16 DspHle::RecvData(u32 register_number) {
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return impl->RecvData(register_number);
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}
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bool DspHle::RecvDataIsReady(u32 register_number) const {
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return impl->RecvDataIsReady(register_number);
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}
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void DspHle::SetSemaphore(u16 semaphore_value) {
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// Do nothing in HLE
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}
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std::vector<u8> DspHle::PipeRead(DspPipe pipe_number, u32 length) {
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return impl->PipeRead(pipe_number, length);
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}
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size_t DspHle::GetPipeReadableSize(DspPipe pipe_number) const {
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return impl->GetPipeReadableSize(pipe_number);
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}
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void DspHle::PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) {
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impl->PipeWrite(pipe_number, buffer);
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}
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std::array<u8, Memory::DSP_RAM_SIZE>& DspHle::GetDspMemory() {
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return impl->GetDspMemory();
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}
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void DspHle::SetServiceToInterrupt(std::weak_ptr<DSP_DSP> dsp) {
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impl->SetServiceToInterrupt(std::move(dsp));
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}
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void DspHle::LoadComponent(const std::vector<u8>& component_data) {
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// HLE doesn't need DSP program. Only log some info here
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LOG_INFO(Service_DSP, "Firmware hash: {:#018x}",
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Common::ComputeHash64(component_data.data(), component_data.size()));
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// Some versions of the firmware have the location of DSP structures listed here.
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if (component_data.size() > 0x37C) {
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LOG_INFO(Service_DSP, "Structures hash: {:#018x}",
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Common::ComputeHash64(component_data.data() + 0x340, 60));
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}
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}
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void DspHle::UnloadComponent() {
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// Do nothing
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}
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} // namespace AudioCore
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