From 670e9936a484eda1e895c73c299c0edf9f6095ff Mon Sep 17 00:00:00 2001 From: Steveice10 <1269164+Steveice10@users.noreply.github.com> Date: Sun, 26 Nov 2023 12:06:59 -0800 Subject: [PATCH] audio_core: Only perform audio stretching if below full speed. (#7201) --- src/android/app/src/main/jni/native.cpp | 14 ----------- src/audio_core/dsp_interface.cpp | 26 ++++++++++++--------- src/audio_core/dsp_interface.h | 11 +++++++-- src/audio_core/hle/hle.cpp | 9 ++++--- src/audio_core/hle/hle.h | 7 +++++- src/audio_core/lle/lle.cpp | 8 +++++-- src/audio_core/lle/lle.h | 8 ++++++- src/core/core.cpp | 8 +++++-- src/core/core.h | 2 ++ src/core/perf_stats.cpp | 31 ++++++++++++++----------- src/core/perf_stats.h | 5 ++++ src/tests/audio_core/hle/hle.cpp | 4 ++-- src/tests/audio_core/lle/lle.cpp | 2 +- 13 files changed, 83 insertions(+), 52 deletions(-) diff --git a/src/android/app/src/main/jni/native.cpp b/src/android/app/src/main/jni/native.cpp index f67d29e9c..68049a95e 100644 --- a/src/android/app/src/main/jni/native.cpp +++ b/src/android/app/src/main/jni/native.cpp @@ -202,20 +202,6 @@ static Core::System::ResultStatus RunCitra(const std::string& filepath) { SCOPE_EXIT({ TryShutdown(); }); - // Audio stretching on Android is only useful with lower framerates, disable it when fullspeed - Core::TimingEventType* audio_stretching_event{}; - const s64 audio_stretching_ticks{msToCycles(500)}; - audio_stretching_event = - system.CoreTiming().RegisterEvent("AudioStretchingEvent", [&](u64, s64 cycles_late) { - if (Settings::values.enable_audio_stretching) { - system.DSP().EnableStretching(system.GetAndResetPerfStats().emulation_speed < 0.95); - } - - system.CoreTiming().ScheduleEvent(audio_stretching_ticks - cycles_late, - audio_stretching_event); - }); - system.CoreTiming().ScheduleEvent(audio_stretching_ticks, audio_stretching_event); - // Start running emulation while (!stop_run) { if (!pause_emulation) { diff --git a/src/audio_core/dsp_interface.cpp b/src/audio_core/dsp_interface.cpp index 170bb4e4a..392d6f176 100644 --- a/src/audio_core/dsp_interface.cpp +++ b/src/audio_core/dsp_interface.cpp @@ -13,7 +13,8 @@ namespace AudioCore { -DspInterface::DspInterface() = default; +DspInterface::DspInterface(Core::System& system_) : system(system_) {} + DspInterface::~DspInterface() = default; void DspInterface::SetSink(AudioCore::SinkType sink_type, std::string_view audio_device) { @@ -32,13 +33,7 @@ Sink& DspInterface::GetSink() { } void DspInterface::EnableStretching(bool enable) { - if (perform_time_stretching == enable) - return; - - if (!enable) { - flushing_time_stretcher = true; - } - perform_time_stretching = enable; + enable_time_stretching = enable; } void DspInterface::OutputFrame(StereoFrame16 frame) { @@ -47,7 +42,7 @@ void DspInterface::OutputFrame(StereoFrame16 frame) { fifo.Push(frame.data(), frame.size()); - auto video_dumper = Core::System::GetInstance().GetVideoDumper(); + auto video_dumper = system.GetVideoDumper(); if (video_dumper && video_dumper->IsDumping()) { video_dumper->AddAudioFrame(std::move(frame)); } @@ -59,15 +54,24 @@ void DspInterface::OutputSample(std::array sample) { fifo.Push(&sample, 1); - auto video_dumper = Core::System::GetInstance().GetVideoDumper(); + auto video_dumper = system.GetVideoDumper(); if (video_dumper && video_dumper->IsDumping()) { video_dumper->AddAudioSample(std::move(sample)); } } void DspInterface::OutputCallback(s16* buffer, std::size_t num_frames) { + // Determine if we should stretch based on the current emulation speed. + const auto perf_stats = system.GetLastPerfStats(); + const auto should_stretch = enable_time_stretching && perf_stats.emulation_speed <= 95; + if (performing_time_stretching && !should_stretch) { + // If we just stopped stretching, flush the stretcher before returning to normal output. + flushing_time_stretcher = true; + } + performing_time_stretching = should_stretch; + std::size_t frames_written = 0; - if (perform_time_stretching) { + if (performing_time_stretching) { const std::vector in{fifo.Pop()}; const std::size_t num_in{in.size() / 2}; frames_written = time_stretcher.Process(in.data(), num_in, buffer, num_frames); diff --git a/src/audio_core/dsp_interface.h b/src/audio_core/dsp_interface.h index f62980cdd..e2e76db6d 100644 --- a/src/audio_core/dsp_interface.h +++ b/src/audio_core/dsp_interface.h @@ -13,6 +13,10 @@ #include "common/ring_buffer.h" #include "core/memory.h" +namespace Core { +class System; +} // namespace Core + namespace Service::DSP { enum class InterruptType : u32; } // namespace Service::DSP @@ -24,7 +28,7 @@ enum class SinkType : u32; class DspInterface { public: - DspInterface(); + DspInterface(Core::System& system_); virtual ~DspInterface(); DspInterface(const DspInterface&) = delete; @@ -110,7 +114,10 @@ private: void FlushResidualStretcherAudio(); void OutputCallback(s16* buffer, std::size_t num_frames); - std::atomic perform_time_stretching = false; + Core::System& system; + + std::atomic enable_time_stretching = false; + std::atomic performing_time_stretching = false; std::atomic flushing_time_stretcher = false; Common::RingBuffer fifo; std::array last_frame{}; diff --git a/src/audio_core/hle/hle.cpp b/src/audio_core/hle/hle.cpp index 4a44da5ca..af5e82e49 100644 --- a/src/audio_core/hle/hle.cpp +++ b/src/audio_core/hle/hle.cpp @@ -31,7 +31,10 @@ using InterruptType = Service::DSP::InterruptType; namespace AudioCore { DspHle::DspHle() - : DspHle(Core::System::GetInstance().Memory(), Core::System::GetInstance().CoreTiming()) {} + : DspHle(Core::System::GetInstance(), Core::System::GetInstance().Memory(), + Core::System::GetInstance().CoreTiming()) {} + +DspHle::DspHle(Core::System& system) : DspHle(system, system.Memory(), system.CoreTiming()) {} template void DspHle::serialize(Archive& ar, const unsigned int) { @@ -442,8 +445,8 @@ void DspHle::Impl::AudioTickCallback(s64 cycles_late) { core_timing.ScheduleEvent(audio_frame_ticks - cycles_late, tick_event); } -DspHle::DspHle(Memory::MemorySystem& memory, Core::Timing& timing) - : impl(std::make_unique(*this, memory, timing)) {} +DspHle::DspHle(Core::System& system, Memory::MemorySystem& memory, Core::Timing& timing) + : DspInterface(system), impl(std::make_unique(*this, memory, timing)) {} DspHle::~DspHle() = default; u16 DspHle::RecvData(u32 register_number) { diff --git a/src/audio_core/hle/hle.h b/src/audio_core/hle/hle.h index aa2fd2c4f..6e9ec106f 100644 --- a/src/audio_core/hle/hle.h +++ b/src/audio_core/hle/hle.h @@ -14,6 +14,10 @@ #include "core/hle/service/dsp/dsp_dsp.h" #include "core/memory.h" +namespace Core { +class Timing; +} + namespace Memory { class MemorySystem; } @@ -22,7 +26,8 @@ namespace AudioCore { class DspHle final : public DspInterface { public: - explicit DspHle(Memory::MemorySystem& memory, Core::Timing& timing); + explicit DspHle(Core::System& system); + explicit DspHle(Core::System& system, Memory::MemorySystem& memory, Core::Timing& timing); ~DspHle(); u16 RecvData(u32 register_number) override; diff --git a/src/audio_core/lle/lle.cpp b/src/audio_core/lle/lle.cpp index afcb9df3c..cd385627a 100644 --- a/src/audio_core/lle/lle.cpp +++ b/src/audio_core/lle/lle.cpp @@ -468,8 +468,12 @@ void DspLle::UnloadComponent() { impl->UnloadComponent(); } -DspLle::DspLle(Memory::MemorySystem& memory, Core::Timing& timing, bool multithread) - : impl(std::make_unique(timing, multithread)) { +DspLle::DspLle(Core::System& system, bool multithread) + : DspLle(system, system.Memory(), system.CoreTiming(), multithread) {} + +DspLle::DspLle(Core::System& system, Memory::MemorySystem& memory, Core::Timing& timing, + bool multithread) + : DspInterface(system), impl(std::make_unique(timing, multithread)) { Teakra::AHBMCallback ahbm; ahbm.read8 = [&memory](u32 address) -> u8 { return *memory.GetFCRAMPointer(address - Memory::FCRAM_PADDR); diff --git a/src/audio_core/lle/lle.h b/src/audio_core/lle/lle.h index bcc5e3c7d..7ae64575d 100644 --- a/src/audio_core/lle/lle.h +++ b/src/audio_core/lle/lle.h @@ -11,11 +11,17 @@ namespace Core { class Timing; } +namespace Memory { +class MemorySystem; +} + namespace AudioCore { class DspLle final : public DspInterface { public: - explicit DspLle(Memory::MemorySystem& memory, Core::Timing& timing, bool multithread); + explicit DspLle(Core::System& system, bool multithread); + explicit DspLle(Core::System& system, Memory::MemorySystem& memory, Core::Timing& timing, + bool multithread); ~DspLle() override; u16 RecvData(u32 register_number) override; diff --git a/src/core/core.cpp b/src/core/core.cpp index a4d66335e..a29cc1033 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -354,6 +354,10 @@ PerfStats::Results System::GetAndResetPerfStats() { : PerfStats::Results{}; } +PerfStats::Results System::GetLastPerfStats() { + return perf_stats ? perf_stats->GetLastStats() : PerfStats::Results{}; +} + void System::Reschedule() { if (!reschedule_pending) { return; @@ -408,10 +412,10 @@ System::ResultStatus System::Init(Frontend::EmuWindow& emu_window, const auto audio_emulation = Settings::values.audio_emulation.GetValue(); if (audio_emulation == Settings::AudioEmulation::HLE) { - dsp_core = std::make_unique(*memory, *timing); + dsp_core = std::make_unique(*this); } else { const bool multithread = audio_emulation == Settings::AudioEmulation::LLEMultithreaded; - dsp_core = std::make_unique(*memory, *timing, multithread); + dsp_core = std::make_unique(*this, multithread); } memory->SetDSP(*dsp_core); diff --git a/src/core/core.h b/src/core/core.h index 06f865962..434928aa0 100644 --- a/src/core/core.h +++ b/src/core/core.h @@ -174,6 +174,8 @@ public: [[nodiscard]] PerfStats::Results GetAndResetPerfStats(); + [[nodiscard]] PerfStats::Results GetLastPerfStats(); + /** * Gets a reference to the emulated CPU. * @returns A reference to the emulated CPU. diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp index 6dffec97f..038dc82ef 100644 --- a/src/core/perf_stats.cpp +++ b/src/core/perf_stats.cpp @@ -47,13 +47,13 @@ PerfStats::~PerfStats() { } void PerfStats::BeginSystemFrame() { - std::lock_guard lock{object_mutex}; + std::scoped_lock lock{object_mutex}; frame_begin = Clock::now(); } void PerfStats::EndSystemFrame() { - std::lock_guard lock{object_mutex}; + std::scoped_lock lock{object_mutex}; auto frame_end = Clock::now(); const auto frame_time = frame_end - frame_begin; @@ -69,13 +69,13 @@ void PerfStats::EndSystemFrame() { } void PerfStats::EndGameFrame() { - std::lock_guard lock{object_mutex}; + std::scoped_lock lock{object_mutex}; game_frames += 1; } double PerfStats::GetMeanFrametime() const { - std::lock_guard lock{object_mutex}; + std::scoped_lock lock{object_mutex}; if (current_index <= IgnoreFrames) { return 0; @@ -87,7 +87,7 @@ double PerfStats::GetMeanFrametime() const { } PerfStats::Results PerfStats::GetAndResetStats(microseconds current_system_time_us) { - std::lock_guard lock(object_mutex); + std::scoped_lock lock{object_mutex}; const auto now = Clock::now(); // Walltime elapsed since stats were reset @@ -95,12 +95,11 @@ PerfStats::Results PerfStats::GetAndResetStats(microseconds current_system_time_ const auto system_us_per_second = (current_system_time_us - reset_point_system_us) / interval; - Results results{}; - results.system_fps = static_cast(system_frames) / interval; - results.game_fps = static_cast(game_frames) / interval; - results.frametime = duration_cast(accumulated_frametime).count() / - static_cast(system_frames); - results.emulation_speed = system_us_per_second.count() / 1'000'000.0; + last_stats.system_fps = static_cast(system_frames) / interval; + last_stats.game_fps = static_cast(game_frames) / interval; + last_stats.frametime = duration_cast(accumulated_frametime).count() / + static_cast(system_frames); + last_stats.emulation_speed = system_us_per_second.count() / 1'000'000.0; // Reset counters reset_point = now; @@ -109,11 +108,17 @@ PerfStats::Results PerfStats::GetAndResetStats(microseconds current_system_time_ system_frames = 0; game_frames = 0; - return results; + return last_stats; +} + +PerfStats::Results PerfStats::GetLastStats() { + std::scoped_lock lock{object_mutex}; + + return last_stats; } double PerfStats::GetLastFrameTimeScale() const { - std::lock_guard lock{object_mutex}; + std::scoped_lock lock{object_mutex}; constexpr double FRAME_LENGTH = 1.0 / GPU::SCREEN_REFRESH_RATE; return duration_cast(previous_frame_length).count() / FRAME_LENGTH; diff --git a/src/core/perf_stats.h b/src/core/perf_stats.h index e90c4c1ac..d2451dbc8 100644 --- a/src/core/perf_stats.h +++ b/src/core/perf_stats.h @@ -42,6 +42,8 @@ public: Results GetAndResetStats(std::chrono::microseconds current_system_time_us); + Results GetLastStats(); + /** * Returns the arithmetic mean of all frametime values stored in the performance history. */ @@ -82,6 +84,9 @@ private: Clock::time_point frame_begin = reset_point; /// Total visible duration (including frame-limiting, etc.) of the previous system frame Clock::duration previous_frame_length = Clock::duration::zero(); + + /// Last recorded performance statistics. + Results last_stats; }; class FrameLimiter { diff --git a/src/tests/audio_core/hle/hle.cpp b/src/tests/audio_core/hle/hle.cpp index 7b77209f9..74108c4fd 100644 --- a/src/tests/audio_core/hle/hle.cpp +++ b/src/tests/audio_core/hle/hle.cpp @@ -22,8 +22,8 @@ TEST_CASE("DSP LLE vs HLE", "[audio_core][hle]") { Memory::MemorySystem lle_memory{system}; Core::Timing lle_core_timing(1, 100); - AudioCore::DspHle hle(hle_memory, hle_core_timing); - AudioCore::DspLle lle(lle_memory, lle_core_timing, true); + AudioCore::DspHle hle(system, hle_memory, hle_core_timing); + AudioCore::DspLle lle(system, lle_memory, lle_core_timing, true); // Initialise LLE { diff --git a/src/tests/audio_core/lle/lle.cpp b/src/tests/audio_core/lle/lle.cpp index e4a85e68c..070167c5d 100644 --- a/src/tests/audio_core/lle/lle.cpp +++ b/src/tests/audio_core/lle/lle.cpp @@ -18,7 +18,7 @@ TEST_CASE("DSP LLE Sanity", "[audio_core][lle]") { Memory::MemorySystem memory{system}; Core::Timing core_timing(1, 100); - AudioCore::DspLle lle(memory, core_timing, true); + AudioCore::DspLle lle(system, memory, core_timing, true); { FileUtil::SetUserPath(); // dspaudio.cdc can be dumped from Pokemon X & Y, It can be found in the romfs at