1 files changed, 802 insertions, 0 deletions

diff --git a/src/audio_core/renderer/system.cpp b/src/audio_core/renderer/system.cpp
new file mode 100644
index 000000000..7a217969e
--- /dev/null
+++ b/src/audio_core/renderer/system.cpp
@@ -0,0 +1,802 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <chrono>
+#include <span>
+
+#include "audio_core/audio_core.h"
+#include "audio_core/common/audio_renderer_parameter.h"
+#include "audio_core/common/common.h"
+#include "audio_core/common/feature_support.h"
+#include "audio_core/common/workbuffer_allocator.h"
+#include "audio_core/renderer/adsp/adsp.h"
+#include "audio_core/renderer/behavior/info_updater.h"
+#include "audio_core/renderer/command/command_buffer.h"
+#include "audio_core/renderer/command/command_generator.h"
+#include "audio_core/renderer/command/command_list_header.h"
+#include "audio_core/renderer/effect/effect_info_base.h"
+#include "audio_core/renderer/effect/effect_result_state.h"
+#include "audio_core/renderer/memory/memory_pool_info.h"
+#include "audio_core/renderer/memory/pool_mapper.h"
+#include "audio_core/renderer/mix/mix_info.h"
+#include "audio_core/renderer/nodes/edge_matrix.h"
+#include "audio_core/renderer/nodes/node_states.h"
+#include "audio_core/renderer/sink/sink_info_base.h"
+#include "audio_core/renderer/system.h"
+#include "audio_core/renderer/upsampler/upsampler_info.h"
+#include "audio_core/renderer/voice/voice_channel_resource.h"
+#include "audio_core/renderer/voice/voice_info.h"
+#include "audio_core/renderer/voice/voice_state.h"
+#include "common/alignment.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_transfer_memory.h"
+#include "core/memory.h"
+
+namespace AudioCore::AudioRenderer {
+
+u64 System::GetWorkBufferSize(const AudioRendererParameterInternal& params) {
+    BehaviorInfo behavior;
+    behavior.SetUserLibRevision(params.revision);
+
+    u64 size{0};
+
+    size += Common::AlignUp(params.mixes * sizeof(s32), 0x40);
+    size += params.sub_mixes * MaxEffects * sizeof(s32);
+    size += (params.sub_mixes + 1) * sizeof(MixInfo);
+    size += params.voices * (sizeof(VoiceInfo) + sizeof(VoiceChannelResource) + sizeof(VoiceState));
+    size += Common::AlignUp((params.sub_mixes + 1) * sizeof(MixInfo*), 0x10);
+    size += Common::AlignUp(params.voices * sizeof(VoiceInfo*), 0x10);
+    size += Common::AlignUp(((params.sinks + params.sub_mixes) * TargetSampleCount * sizeof(s32) +
+                             params.sample_count * sizeof(s32)) *
+                                (params.mixes + MaxChannels),
+                            0x40);
+
+    if (behavior.IsSplitterSupported()) {
+        const auto node_size{NodeStates::GetWorkBufferSize(params.sub_mixes + 1)};
+        const auto edge_size{EdgeMatrix::GetWorkBufferSize(params.sub_mixes + 1)};
+        size += Common::AlignUp(node_size + edge_size, 0x10);
+    }
+
+    size += SplitterContext::CalcWorkBufferSize(behavior, params);
+    size += (params.effects + params.voices * MaxWaveBuffers) * sizeof(MemoryPoolInfo);
+
+    if (behavior.IsEffectInfoVersion2Supported()) {
+        size += params.effects * sizeof(EffectResultState);
+    }
+    size += 0x50;
+
+    size = Common::AlignUp(size, 0x40);
+
+    size += (params.sinks + params.sub_mixes) * sizeof(UpsamplerInfo);
+    size += params.effects * sizeof(EffectInfoBase);
+    size += Common::AlignUp(params.voices * sizeof(VoiceState), 0x40);
+    size += params.sinks * sizeof(SinkInfoBase);
+
+    if (behavior.IsEffectInfoVersion2Supported()) {
+        size += params.effects * sizeof(EffectResultState);
+    }
+
+    if (params.perf_frames > 0) {
+        auto perf_size{PerformanceManager::GetRequiredBufferSizeForPerformanceMetricsPerFrame(
+            behavior, params)};
+        size += Common::AlignUp(perf_size * (params.perf_frames + 1) + 0xC0, 0x100);
+    }
+
+    if (behavior.IsVariadicCommandBufferSizeSupported()) {
+        size += CommandGenerator::CalculateCommandBufferSize(behavior, params) + (0x40 - 1) * 2;
+    } else {
+        size += 0x18000 + (0x40 - 1) * 2;
+    }
+
+    size = Common::AlignUp(size, 0x1000);
+    return size;
+}
+
+System::System(Core::System& core_, Kernel::KEvent* adsp_rendered_event_)
+    : core{core_}, adsp{core.AudioCore().GetADSP()}, adsp_rendered_event{adsp_rendered_event_} {}
+
+Result System::Initialize(const AudioRendererParameterInternal& params,
+                          Kernel::KTransferMemory* transfer_memory, const u64 transfer_memory_size,
+                          const u32 process_handle_, const u64 applet_resource_user_id_,
+                          const s32 session_id_) {
+    if (!CheckValidRevision(params.revision)) {
+        return Service::Audio::ERR_INVALID_REVISION;
+    }
+
+    if (GetWorkBufferSize(params) > transfer_memory_size) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    if (process_handle_ == 0) {
+        return Service::Audio::ERR_INVALID_PROCESS_HANDLE;
+    }
+
+    behavior.SetUserLibRevision(params.revision);
+
+    process_handle = process_handle_;
+    applet_resource_user_id = applet_resource_user_id_;
+    session_id = session_id_;
+
+    sample_rate = params.sample_rate;
+    sample_count = params.sample_count;
+    mix_buffer_count = static_cast<s16>(params.mixes);
+    voice_channels = MaxChannels;
+    upsampler_count = params.sinks + params.sub_mixes;
+    memory_pool_count = params.effects + params.voices * MaxWaveBuffers;
+    render_device = params.rendering_device;
+    execution_mode = params.execution_mode;
+
+    core.Memory().ZeroBlock(*core.Kernel().CurrentProcess(), transfer_memory->GetSourceAddress(),
+                            transfer_memory_size);
+
+    // Note: We're not actually using the transfer memory because it's a pain to code for.
+    // Allocate the memory normally instead and hope the game doesn't try to read anything back
+    workbuffer = std::make_unique<u8[]>(transfer_memory_size);
+    workbuffer_size = transfer_memory_size;
+
+    PoolMapper pool_mapper(process_handle, false);
+    pool_mapper.InitializeSystemPool(memory_pool_info, workbuffer.get(), workbuffer_size);
+
+    WorkbufferAllocator allocator({workbuffer.get(), workbuffer_size}, workbuffer_size);
+
+    samples_workbuffer =
+        allocator.Allocate<s32>((voice_channels + mix_buffer_count) * sample_count, 0x10);
+    if (samples_workbuffer.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    auto upsampler_workbuffer{allocator.Allocate<s32>(
+        (voice_channels + mix_buffer_count) * TargetSampleCount * upsampler_count, 0x10)};
+    if (upsampler_workbuffer.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    depop_buffer =
+        allocator.Allocate<s32>(Common::AlignUp(static_cast<u32>(mix_buffer_count), 0x40), 0x40);
+    if (depop_buffer.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    // invalidate samples_workbuffer DSP cache
+
+    auto voice_infos{allocator.Allocate<VoiceInfo>(params.voices, 0x10)};
+    for (auto& voice_info : voice_infos) {
+        std::construct_at<VoiceInfo>(&voice_info);
+    }
+
+    if (voice_infos.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    auto sorted_voice_infos{allocator.Allocate<VoiceInfo*>(params.voices, 0x10)};
+    if (sorted_voice_infos.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    std::memset(sorted_voice_infos.data(), 0, sorted_voice_infos.size_bytes());
+
+    auto voice_channel_resources{allocator.Allocate<VoiceChannelResource>(params.voices, 0x10)};
+    u32 i{0};
+    for (auto& voice_channel_resource : voice_channel_resources) {
+        std::construct_at<VoiceChannelResource>(&voice_channel_resource, i++);
+    }
+
+    if (voice_channel_resources.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    auto voice_cpu_states{allocator.Allocate<VoiceState>(params.voices, 0x10)};
+    if (voice_cpu_states.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    for (auto& voice_state : voice_cpu_states) {
+        voice_state = {};
+    }
+
+    auto mix_infos{allocator.Allocate<MixInfo>(params.sub_mixes + 1, 0x10)};
+
+    if (mix_infos.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    u32 effect_process_order_count{0};
+    std::span<s32> effect_process_order_buffer{};
+
+    if (params.effects > 0) {
+        effect_process_order_count = params.effects * (params.sub_mixes + 1);
+        effect_process_order_buffer = allocator.Allocate<s32>(effect_process_order_count, 0x10);
+        if (effect_process_order_buffer.empty()) {
+            return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+        }
+    }
+
+    i = 0;
+    for (auto& mix_info : mix_infos) {
+        std::construct_at<MixInfo>(
+            &mix_info, effect_process_order_buffer.subspan(i * params.effects, params.effects),
+            params.effects, this->behavior);
+        i++;
+    }
+
+    auto sorted_mix_infos{allocator.Allocate<MixInfo*>(params.sub_mixes + 1, 0x10)};
+    if (sorted_mix_infos.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    std::memset(sorted_mix_infos.data(), 0, sorted_mix_infos.size_bytes());
+
+    if (behavior.IsSplitterSupported()) {
+        u64 node_state_size{NodeStates::GetWorkBufferSize(params.sub_mixes + 1)};
+        u64 edge_matrix_size{EdgeMatrix::GetWorkBufferSize(params.sub_mixes + 1)};
+
+        auto node_states_workbuffer{allocator.Allocate<u8>(node_state_size, 1)};
+        auto edge_matrix_workbuffer{allocator.Allocate<u8>(edge_matrix_size, 1)};
+
+        if (node_states_workbuffer.empty() || edge_matrix_workbuffer.size() == 0) {
+            return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+        }
+
+        mix_context.Initialize(sorted_mix_infos, mix_infos, params.sub_mixes + 1,
+                               effect_process_order_buffer, effect_process_order_count,
+                               node_states_workbuffer, node_state_size, edge_matrix_workbuffer,
+                               edge_matrix_size);
+    } else {
+        mix_context.Initialize(sorted_mix_infos, mix_infos, params.sub_mixes + 1,
+                               effect_process_order_buffer, effect_process_order_count, {}, 0, {},
+                               0);
+    }
+
+    upsampler_manager = allocator.Allocate<UpsamplerManager>(1, 0x10).data();
+    if (upsampler_manager == nullptr) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    memory_pool_workbuffer = allocator.Allocate<MemoryPoolInfo>(memory_pool_count, 0x10);
+    for (auto& memory_pool : memory_pool_workbuffer) {
+        std::construct_at<MemoryPoolInfo>(&memory_pool, MemoryPoolInfo::Location::DSP);
+    }
+
+    if (memory_pool_workbuffer.empty() && memory_pool_count > 0) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    if (!splitter_context.Initialize(behavior, params, allocator)) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    std::span<EffectResultState> effect_result_states_cpu{};
+    if (behavior.IsEffectInfoVersion2Supported() && params.effects > 0) {
+        effect_result_states_cpu = allocator.Allocate<EffectResultState>(params.effects, 0x10);
+        if (effect_result_states_cpu.empty()) {
+            return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+        }
+        std::memset(effect_result_states_cpu.data(), 0, effect_result_states_cpu.size_bytes());
+    }
+
+    allocator.Align(0x40);
+
+    unk_2B0 = allocator.GetSize() - allocator.GetCurrentOffset();
+    unk_2A8 = {&workbuffer[allocator.GetCurrentOffset()], unk_2B0};
+
+    upsampler_infos = allocator.Allocate<UpsamplerInfo>(upsampler_count, 0x40);
+    for (auto& upsampler_info : upsampler_infos) {
+        std::construct_at<UpsamplerInfo>(&upsampler_info);
+    }
+
+    std::construct_at<UpsamplerManager>(upsampler_manager, upsampler_count, upsampler_infos,
+                                        upsampler_workbuffer);
+
+    if (upsampler_infos.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    auto effect_infos{allocator.Allocate<EffectInfoBase>(params.effects, 0x40)};
+    for (auto& effect_info : effect_infos) {
+        std::construct_at<EffectInfoBase>(&effect_info);
+    }
+
+    if (effect_infos.empty() && params.effects > 0) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    std::span<EffectResultState> effect_result_states_dsp{};
+    if (behavior.IsEffectInfoVersion2Supported() && params.effects > 0) {
+        effect_result_states_dsp = allocator.Allocate<EffectResultState>(params.effects, 0x40);
+        if (effect_result_states_dsp.empty()) {
+            return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+        }
+        std::memset(effect_result_states_dsp.data(), 0, effect_result_states_dsp.size_bytes());
+    }
+
+    effect_context.Initialize(effect_infos, params.effects, effect_result_states_cpu,
+                              effect_result_states_dsp, effect_result_states_dsp.size());
+
+    auto sinks{allocator.Allocate<SinkInfoBase>(params.sinks, 0x10)};
+    for (auto& sink : sinks) {
+        std::construct_at<SinkInfoBase>(&sink);
+    }
+
+    if (sinks.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    sink_context.Initialize(sinks, params.sinks);
+
+    auto voice_dsp_states{allocator.Allocate<VoiceState>(params.voices, 0x40)};
+    if (voice_dsp_states.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    for (auto& voice_state : voice_dsp_states) {
+        voice_state = {};
+    }
+
+    voice_context.Initialize(sorted_voice_infos, voice_infos, voice_channel_resources,
+                             voice_cpu_states, voice_dsp_states, params.voices);
+
+    if (params.perf_frames > 0) {
+        const auto perf_workbuffer_size{
+            PerformanceManager::GetRequiredBufferSizeForPerformanceMetricsPerFrame(behavior,
+                                                                                   params) *
+                (params.perf_frames + 1) +
+            0xC};
+        performance_workbuffer = allocator.Allocate<u8>(perf_workbuffer_size, 0x40);
+        if (performance_workbuffer.empty()) {
+            return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+        }
+        std::memset(performance_workbuffer.data(), 0, performance_workbuffer.size_bytes());
+        performance_manager.Initialize(performance_workbuffer, performance_workbuffer.size_bytes(),
+                                       params, behavior, memory_pool_info);
+    }
+
+    render_time_limit_percent = 100;
+    drop_voice = params.voice_drop_enabled && params.execution_mode == ExecutionMode::Auto;
+
+    allocator.Align(0x40);
+    command_workbuffer_size = allocator.GetRemainingSize();
+    command_workbuffer = allocator.Allocate<u8>(command_workbuffer_size, 0x40);
+    if (command_workbuffer.empty()) {
+        return Service::Audio::ERR_INSUFFICIENT_BUFFER_SIZE;
+    }
+
+    command_buffer_size = 0;
+    reset_command_buffers = true;
+
+    // nn::audio::dsp::FlushDataCache(transferMemory, transferMemorySize);
+
+    if (behavior.IsCommandProcessingTimeEstimatorVersion5Supported()) {
+        command_processing_time_estimator =
+            std::make_unique<CommandProcessingTimeEstimatorVersion5>(sample_count,
+                                                                     mix_buffer_count);
+    } else if (behavior.IsCommandProcessingTimeEstimatorVersion4Supported()) {
+        command_processing_time_estimator =
+            std::make_unique<CommandProcessingTimeEstimatorVersion4>(sample_count,
+                                                                     mix_buffer_count);
+    } else if (behavior.IsCommandProcessingTimeEstimatorVersion3Supported()) {
+        command_processing_time_estimator =
+            std::make_unique<CommandProcessingTimeEstimatorVersion3>(sample_count,
+                                                                     mix_buffer_count);
+    } else if (behavior.IsCommandProcessingTimeEstimatorVersion2Supported()) {
+        command_processing_time_estimator =
+            std::make_unique<CommandProcessingTimeEstimatorVersion2>(sample_count,
+                                                                     mix_buffer_count);
+    } else {
+        command_processing_time_estimator =
+            std::make_unique<CommandProcessingTimeEstimatorVersion1>(sample_count,
+                                                                     mix_buffer_count);
+    }
+
+    initialized = true;
+    return ResultSuccess;
+}
+
+void System::Finalize() {
+    if (!initialized) {
+        return;
+    }
+
+    if (active) {
+        Stop();
+    }
+
+    applet_resource_user_id = 0;
+
+    PoolMapper pool_mapper(process_handle, false);
+    pool_mapper.Unmap(memory_pool_info);
+
+    if (process_handle) {
+        pool_mapper.ClearUseState(memory_pool_workbuffer, memory_pool_count);
+        for (auto& memory_pool : memory_pool_workbuffer) {
+            if (memory_pool.IsMapped()) {
+                pool_mapper.Unmap(memory_pool);
+            }
+        }
+
+        // dsp::ProcessCleanup
+        // close handle
+    }
+    initialized = false;
+}
+
+void System::Start() {
+    std::scoped_lock l{lock};
+    frames_elapsed = 0;
+    state = State::Started;
+    active = true;
+}
+
+void System::Stop() {
+    {
+        std::scoped_lock l{lock};
+        state = State::Stopped;
+        active = false;
+    }
+
+    if (execution_mode == ExecutionMode::Auto) {
+        // Should wait for the system to terminate here, but core timing (should have) already
+        // stopped, so this isn't needed. Find a way to make this definite.
+
+        // terminate_event.Wait();
+    }
+}
+
+Result System::Update(std::span<const u8> input, std::span<u8> performance, std::span<u8> output) {
+    std::scoped_lock l{lock};
+
+    const auto start_time{core.CoreTiming().GetClockTicks()};
+
+    InfoUpdater info_updater(input, output, process_handle, behavior);
+
+    auto result{info_updater.UpdateBehaviorInfo(behavior)};
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update BehaviorInfo!");
+        return result;
+    }
+
+    result = info_updater.UpdateMemoryPools(memory_pool_workbuffer, memory_pool_count);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update MemoryPools!");
+        return result;
+    }
+
+    result = info_updater.UpdateVoiceChannelResources(voice_context);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update VoiceChannelResources!");
+        return result;
+    }
+
+    result = info_updater.UpdateVoices(voice_context, memory_pool_workbuffer, memory_pool_count);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update Voices!");
+        return result;
+    }
+
+    result = info_updater.UpdateEffects(effect_context, active, memory_pool_workbuffer,
+                                        memory_pool_count);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update Effects!");
+        return result;
+    }
+
+    if (behavior.IsSplitterSupported()) {
+        result = info_updater.UpdateSplitterInfo(splitter_context);
+        if (result.IsError()) {
+            LOG_ERROR(Service_Audio, "Failed to update SplitterInfo!");
+            return result;
+        }
+    }
+
+    result =
+        info_updater.UpdateMixes(mix_context, mix_buffer_count, effect_context, splitter_context);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update Mixes!");
+        return result;
+    }
+
+    result = info_updater.UpdateSinks(sink_context, memory_pool_workbuffer, memory_pool_count);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update Sinks!");
+        return result;
+    }
+
+    PerformanceManager* perf_manager{nullptr};
+    if (performance_manager.IsInitialized()) {
+        perf_manager = &performance_manager;
+    }
+
+    result =
+        info_updater.UpdatePerformanceBuffer(performance, performance.size_bytes(), perf_manager);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update PerformanceBuffer!");
+        return result;
+    }
+
+    result = info_updater.UpdateErrorInfo(behavior);
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Failed to update ErrorInfo!");
+        return result;
+    }
+
+    if (behavior.IsElapsedFrameCountSupported()) {
+        result = info_updater.UpdateRendererInfo(frames_elapsed);
+        if (result.IsError()) {
+            LOG_ERROR(Service_Audio, "Failed to update RendererInfo!");
+            return result;
+        }
+    }
+
+    result = info_updater.CheckConsumedSize();
+    if (result.IsError()) {
+        LOG_ERROR(Service_Audio, "Invalid consume size!");
+        return result;
+    }
+
+    adsp_rendered_event->GetWritableEvent().Clear();
+    num_times_updated++;
+
+    const auto end_time{core.CoreTiming().GetClockTicks()};
+    ticks_spent_updating += end_time - start_time;
+
+    return ResultSuccess;
+}
+
+u32 System::GetRenderingTimeLimit() const {
+    return render_time_limit_percent;
+}
+
+void System::SetRenderingTimeLimit(const u32 limit) {
+    render_time_limit_percent = limit;
+}
+
+u32 System::GetSessionId() const {
+    return session_id;
+}
+
+u32 System::GetSampleRate() const {
+    return sample_rate;
+}
+
+u32 System::GetSampleCount() const {
+    return sample_count;
+}
+
+u32 System::GetMixBufferCount() const {
+    return mix_buffer_count;
+}
+
+ExecutionMode System::GetExecutionMode() const {
+    return execution_mode;
+}
+
+u32 System::GetRenderingDevice() const {
+    return render_device;
+}
+
+bool System::IsActive() const {
+    return active;
+}
+
+void System::SendCommandToDsp() {
+    std::scoped_lock l{lock};
+
+    if (initialized) {
+        if (active) {
+            terminate_event.Reset();
+            const auto remaining_command_count{adsp.GetRemainCommandCount(session_id)};
+            u64 command_size{0};
+
+            if (remaining_command_count) {
+                adsp_behind = true;
+                command_size = command_buffer_size;
+            } else {
+                command_size = GenerateCommand(command_workbuffer, command_workbuffer_size);
+            }
+
+            auto translated_addr{
+                memory_pool_info.Translate(CpuAddr(command_workbuffer.data()), command_size)};
+
+            auto time_limit_percent{70.0f};
+            if (behavior.IsAudioRendererProcessingTimeLimit80PercentSupported()) {
+                time_limit_percent = 80.0f;
+            } else if (behavior.IsAudioRendererProcessingTimeLimit75PercentSupported()) {
+                time_limit_percent = 75.0f;
+            } else {
+                // result ignored and 70 is used anyway
+                behavior.IsAudioRendererProcessingTimeLimit70PercentSupported();
+                time_limit_percent = 70.0f;
+            }
+
+            ADSP::CommandBuffer command_buffer{
+                .buffer{translated_addr},
+                .size{command_size},
+                .time_limit{
+                    static_cast<u64>((time_limit_percent / 100) * 2'880'000.0 *
+                                     (static_cast<f32>(render_time_limit_percent) / 100.0f))},
+                .remaining_command_count{remaining_command_count},
+                .reset_buffers{reset_command_buffers},
+                .applet_resource_user_id{applet_resource_user_id},
+                .render_time_taken{adsp.GetRenderTimeTaken(session_id)},
+            };
+
+            adsp.SendCommandBuffer(session_id, command_buffer);
+            reset_command_buffers = false;
+            command_buffer_size = command_size;
+            if (remaining_command_count == 0) {
+                adsp_rendered_event->GetWritableEvent().Signal();
+            }
+        } else {
+            adsp.ClearRemainCount(session_id);
+            terminate_event.Set();
+        }
+    }
+}
+
+u64 System::GenerateCommand(std::span<u8> in_command_buffer,
+                            [[maybe_unused]] const u64 command_buffer_size_) {
+    PoolMapper::ClearUseState(memory_pool_workbuffer, memory_pool_count);
+    const auto start_time{core.CoreTiming().GetClockTicks()};
+
+    auto command_list_header{reinterpret_cast<CommandListHeader*>(in_command_buffer.data())};
+
+    command_list_header->buffer_count = static_cast<s16>(voice_channels + mix_buffer_count);
+    command_list_header->sample_count = sample_count;
+    command_list_header->sample_rate = sample_rate;
+    command_list_header->samples_buffer = samples_workbuffer;
+
+    const auto performance_initialized{performance_manager.IsInitialized()};
+    if (performance_initialized) {
+        performance_manager.TapFrame(adsp_behind, num_voices_dropped, render_start_tick);
+        adsp_behind = false;
+        num_voices_dropped = 0;
+        render_start_tick = 0;
+    }
+
+    s8 channel_count{2};
+    if (execution_mode == ExecutionMode::Auto) {
+        const auto& sink{core.AudioCore().GetOutputSink()};
+        channel_count = static_cast<s8>(sink.GetDeviceChannels());
+    }
+
+    AudioRendererSystemContext render_context{
+        .session_id{session_id},
+        .channels{channel_count},
+        .mix_buffer_count{mix_buffer_count},
+        .behavior{&behavior},
+        .depop_buffer{depop_buffer},
+        .upsampler_manager{upsampler_manager},
+        .memory_pool_info{&memory_pool_info},
+    };
+
+    CommandBuffer command_buffer{
+        .command_list{in_command_buffer},
+        .sample_count{sample_count},
+        .sample_rate{sample_rate},
+        .size{sizeof(CommandListHeader)},
+        .count{0},
+        .estimated_process_time{0},
+        .memory_pool{&memory_pool_info},
+        .time_estimator{command_processing_time_estimator.get()},
+        .behavior{&behavior},
+    };
+
+    PerformanceManager* perf_manager{nullptr};
+    if (performance_initialized) {
+        perf_manager = &performance_manager;
+    }
+
+    CommandGenerator command_generator{command_buffer, *command_list_header, render_context,
+                                       voice_context,  mix_context,          effect_context,
+                                       sink_context,   splitter_context,     perf_manager};
+
+    voice_context.SortInfo();
+
+    const auto start_estimated_time{command_buffer.estimated_process_time};
+
+    command_generator.GenerateVoiceCommands();
+    command_generator.GenerateSubMixCommands();
+    command_generator.GenerateFinalMixCommands();
+    command_generator.GenerateSinkCommands();
+
+    if (drop_voice) {
+        f32 time_limit_percent{70.0f};
+        if (render_context.behavior->IsAudioRendererProcessingTimeLimit80PercentSupported()) {
+            time_limit_percent = 80.0f;
+        } else if (render_context.behavior
+                       ->IsAudioRendererProcessingTimeLimit75PercentSupported()) {
+            time_limit_percent = 75.0f;
+        } else {
+            // result is ignored
+            render_context.behavior->IsAudioRendererProcessingTimeLimit70PercentSupported();
+            time_limit_percent = 70.0f;
+        }
+        const auto time_limit{static_cast<u32>(
+            static_cast<f32>(start_estimated_time - command_buffer.estimated_process_time) +
+            (((time_limit_percent / 100.0f) * 2'880'000.0) *
+             (static_cast<f32>(render_time_limit_percent) / 100.0f)))};
+        num_voices_dropped = DropVoices(command_buffer, start_estimated_time, time_limit);
+    }
+
+    command_list_header->buffer_size = command_buffer.size;
+    command_list_header->command_count = command_buffer.count;
+
+    voice_context.UpdateStateByDspShared();
+
+    if (render_context.behavior->IsEffectInfoVersion2Supported()) {
+        effect_context.UpdateStateByDspShared();
+    }
+
+    const auto end_time{core.CoreTiming().GetClockTicks()};
+    total_ticks_elapsed += end_time - start_time;
+    num_command_lists_generated++;
+    render_start_tick = adsp.GetRenderingStartTick(session_id);
+    frames_elapsed++;
+
+    return command_buffer.size;
+}
+
+u32 System::DropVoices(CommandBuffer& command_buffer, const u32 estimated_process_time,
+                       const u32 time_limit) {
+    u32 i{0};
+    auto command_list{command_buffer.command_list.data() + sizeof(CommandListHeader)};
+    ICommand* cmd{};
+
+    for (; i < command_buffer.count; i++) {
+        cmd = reinterpret_cast<ICommand*>(command_list);
+        if (cmd->type != CommandId::Performance &&
+            cmd->type != CommandId::DataSourcePcmInt16Version1 &&
+            cmd->type != CommandId::DataSourcePcmInt16Version2 &&
+            cmd->type != CommandId::DataSourcePcmFloatVersion1 &&
+            cmd->type != CommandId::DataSourcePcmFloatVersion2 &&
+            cmd->type != CommandId::DataSourceAdpcmVersion1 &&
+            cmd->type != CommandId::DataSourceAdpcmVersion2) {
+            break;
+        }
+        command_list += cmd->size;
+    }
+
+    if (cmd == nullptr || command_buffer.count == 0 || i >= command_buffer.count) {
+        return 0;
+    }
+
+    auto voices_dropped{0};
+    while (i < command_buffer.count) {
+        const auto node_id{cmd->node_id};
+        const auto node_id_type{cmd->node_id >> 28};
+        const auto node_id_base{cmd->node_id & 0xFFF};
+
+        if (estimated_process_time <= time_limit) {
+            break;
+        }
+
+        if (node_id_type != 1) {
+            break;
+        }
+
+        auto& voice_info{voice_context.GetInfo(node_id_base)};
+        if (voice_info.priority == HighestVoicePriority) {
+            break;
+        }
+
+        voices_dropped++;
+        voice_info.voice_dropped = true;
+
+        if (i < command_buffer.count) {
+            while (cmd->node_id == node_id) {
+                if (cmd->type == CommandId::DepopPrepare) {
+                    cmd->enabled = true;
+                } else if (cmd->type == CommandId::Performance || !cmd->enabled) {
+                    cmd->enabled = false;
+                }
+                i++;
+                command_list += cmd->size;
+                cmd = reinterpret_cast<ICommand*>(command_list);
+            }
+        }
+    }
+    return voices_dropped;
+}
+
+} // namespace AudioCore::AudioRenderer