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459 lines
16 KiB
C++
459 lines
16 KiB
C++
// Copyright 2018 yuzu 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/algorithm/interpolate.h"
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#include "audio_core/audio_out.h"
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#include "audio_core/audio_renderer.h"
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#include "audio_core/codec.h"
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#include "audio_core/common.h"
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/hle/kernel/writable_event.h"
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#include "core/memory.h"
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namespace AudioCore {
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constexpr u32 STREAM_SAMPLE_RATE{48000};
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constexpr u32 STREAM_NUM_CHANNELS{2};
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class AudioRenderer::VoiceState {
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public:
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bool IsPlaying() const {
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return is_in_use && info.play_state == PlayState::Started;
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}
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const VoiceOutStatus& GetOutStatus() const {
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return out_status;
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}
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const VoiceInfo& GetInfo() const {
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return info;
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}
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VoiceInfo& GetInfo() {
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return info;
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}
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void SetWaveIndex(std::size_t index);
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std::vector<s16> DequeueSamples(std::size_t sample_count, Core::Memory::Memory& memory,
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std::array<VoiceResourceInformation*, 6> voice_resources);
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void UpdateState();
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void RefreshBuffer(Core::Memory::Memory& memory,
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std::array<VoiceResourceInformation*, 6> voice_resources);
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private:
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bool is_in_use{};
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bool is_refresh_pending{};
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std::size_t wave_index{};
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std::size_t offset{};
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Codec::ADPCMState adpcm_state{};
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InterpolationState interp_state{};
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std::vector<s16> samples;
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VoiceOutStatus out_status{};
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VoiceInfo info{};
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};
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class AudioRenderer::EffectState {
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public:
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const EffectOutStatus& GetOutStatus() const {
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return out_status;
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}
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const EffectInStatus& GetInfo() const {
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return info;
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}
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EffectInStatus& GetInfo() {
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return info;
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}
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void UpdateState(Core::Memory::Memory& memory);
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private:
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EffectOutStatus out_status{};
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EffectInStatus info{};
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};
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AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, Core::Memory::Memory& memory_,
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AudioRendererParameter params,
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std::shared_ptr<Kernel::WritableEvent> buffer_event,
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std::size_t instance_number)
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: worker_params{params}, buffer_event{buffer_event}, voices(params.voice_count),
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voice_resources(params.voice_count), effects(params.effect_count), memory{memory_} {
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behavior_info.SetUserRevision(params.revision);
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audio_out = std::make_unique<AudioCore::AudioOut>();
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stream = audio_out->OpenStream(core_timing, STREAM_SAMPLE_RATE, STREAM_NUM_CHANNELS,
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fmt::format("AudioRenderer-Instance{}", instance_number),
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[=]() { buffer_event->Signal(); });
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audio_out->StartStream(stream);
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QueueMixedBuffer(0);
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QueueMixedBuffer(1);
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QueueMixedBuffer(2);
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}
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AudioRenderer::~AudioRenderer() = default;
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u32 AudioRenderer::GetSampleRate() const {
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return worker_params.sample_rate;
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}
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u32 AudioRenderer::GetSampleCount() const {
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return worker_params.sample_count;
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}
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u32 AudioRenderer::GetMixBufferCount() const {
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return worker_params.mix_buffer_count;
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}
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Stream::State AudioRenderer::GetStreamState() const {
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return stream->GetState();
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}
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ResultVal<std::vector<u8>> AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params) {
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// Copy UpdateDataHeader struct
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UpdateDataHeader config{};
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std::memcpy(&config, input_params.data(), sizeof(UpdateDataHeader));
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u32 memory_pool_count = worker_params.effect_count + (worker_params.voice_count * 4);
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if (!behavior_info.UpdateInput(input_params, sizeof(UpdateDataHeader))) {
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LOG_ERROR(Audio, "Failed to update behavior info input parameters");
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return Audren::ERR_INVALID_PARAMETERS;
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}
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// Copy MemoryPoolInfo structs
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std::vector<MemoryPoolInfo> mem_pool_info(memory_pool_count);
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std::memcpy(mem_pool_info.data(),
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input_params.data() + sizeof(UpdateDataHeader) + config.behavior_size,
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memory_pool_count * sizeof(MemoryPoolInfo));
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// Copy voice resources
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const std::size_t voice_resource_offset{sizeof(UpdateDataHeader) + config.behavior_size +
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config.memory_pools_size};
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std::memcpy(voice_resources.data(), input_params.data() + voice_resource_offset,
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sizeof(VoiceResourceInformation) * voice_resources.size());
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// Copy VoiceInfo structs
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std::size_t voice_offset{sizeof(UpdateDataHeader) + config.behavior_size +
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config.memory_pools_size + config.voice_resource_size};
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for (auto& voice : voices) {
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std::memcpy(&voice.GetInfo(), input_params.data() + voice_offset, sizeof(VoiceInfo));
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voice_offset += sizeof(VoiceInfo);
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}
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std::size_t effect_offset{sizeof(UpdateDataHeader) + config.behavior_size +
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config.memory_pools_size + config.voice_resource_size +
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config.voices_size};
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for (auto& effect : effects) {
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std::memcpy(&effect.GetInfo(), input_params.data() + effect_offset, sizeof(EffectInStatus));
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effect_offset += sizeof(EffectInStatus);
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}
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// Update memory pool state
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std::vector<MemoryPoolEntry> memory_pool(memory_pool_count);
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for (std::size_t index = 0; index < memory_pool.size(); ++index) {
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if (mem_pool_info[index].pool_state == MemoryPoolStates::RequestAttach) {
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memory_pool[index].state = MemoryPoolStates::Attached;
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} else if (mem_pool_info[index].pool_state == MemoryPoolStates::RequestDetach) {
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memory_pool[index].state = MemoryPoolStates::Detached;
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}
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}
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// Update voices
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for (auto& voice : voices) {
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voice.UpdateState();
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if (!voice.GetInfo().is_in_use) {
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continue;
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}
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if (voice.GetInfo().is_new) {
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voice.SetWaveIndex(voice.GetInfo().wave_buffer_head);
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}
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}
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for (auto& effect : effects) {
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effect.UpdateState(memory);
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}
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// Release previous buffers and queue next ones for playback
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ReleaseAndQueueBuffers();
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// Copy output header
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UpdateDataHeader response_data{worker_params};
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std::vector<u8> output_params(response_data.total_size);
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if (behavior_info.IsElapsedFrameCountSupported()) {
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response_data.frame_count = 0x10;
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response_data.total_size += 0x10;
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}
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std::memcpy(output_params.data(), &response_data, sizeof(UpdateDataHeader));
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// Copy output memory pool entries
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std::memcpy(output_params.data() + sizeof(UpdateDataHeader), memory_pool.data(),
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response_data.memory_pools_size);
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// Copy output voice status
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std::size_t voice_out_status_offset{sizeof(UpdateDataHeader) + response_data.memory_pools_size};
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for (const auto& voice : voices) {
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std::memcpy(output_params.data() + voice_out_status_offset, &voice.GetOutStatus(),
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sizeof(VoiceOutStatus));
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voice_out_status_offset += sizeof(VoiceOutStatus);
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}
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std::size_t effect_out_status_offset{
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sizeof(UpdateDataHeader) + response_data.memory_pools_size + response_data.voices_size +
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response_data.voice_resource_size};
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for (const auto& effect : effects) {
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std::memcpy(output_params.data() + effect_out_status_offset, &effect.GetOutStatus(),
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sizeof(EffectOutStatus));
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effect_out_status_offset += sizeof(EffectOutStatus);
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}
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// Update behavior info output
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const std::size_t behavior_out_status_offset{
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sizeof(UpdateDataHeader) + response_data.memory_pools_size + response_data.voices_size +
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response_data.effects_size + response_data.sinks_size +
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response_data.performance_manager_size};
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if (!behavior_info.UpdateOutput(output_params, behavior_out_status_offset)) {
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LOG_ERROR(Audio, "Failed to update behavior info output parameters");
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return Audren::ERR_INVALID_PARAMETERS;
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}
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return MakeResult(output_params);
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}
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void AudioRenderer::VoiceState::SetWaveIndex(std::size_t index) {
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wave_index = index & 3;
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is_refresh_pending = true;
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}
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std::vector<s16> AudioRenderer::VoiceState::DequeueSamples(
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std::size_t sample_count, Core::Memory::Memory& memory,
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std::array<VoiceResourceInformation*, 6> voice_resources) {
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if (!IsPlaying()) {
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return {};
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}
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if (is_refresh_pending) {
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RefreshBuffer(memory, voice_resources);
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}
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const std::size_t max_size{samples.size() - offset};
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const std::size_t dequeue_offset{offset};
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std::size_t size{sample_count * STREAM_NUM_CHANNELS};
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if (size > max_size) {
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size = max_size;
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}
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out_status.played_sample_count += size / STREAM_NUM_CHANNELS;
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offset += size;
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const auto& wave_buffer{info.wave_buffer[wave_index]};
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if (offset == samples.size()) {
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offset = 0;
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if (!wave_buffer.is_looping && wave_buffer.buffer_sz) {
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SetWaveIndex(wave_index + 1);
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}
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if (wave_buffer.buffer_sz) {
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out_status.wave_buffer_consumed++;
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}
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if (wave_buffer.end_of_stream || wave_buffer.buffer_sz == 0) {
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info.play_state = PlayState::Paused;
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}
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}
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return {samples.begin() + dequeue_offset, samples.begin() + dequeue_offset + size};
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}
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void AudioRenderer::VoiceState::UpdateState() {
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if (is_in_use && !info.is_in_use) {
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// No longer in use, reset state
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is_refresh_pending = true;
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wave_index = 0;
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offset = 0;
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out_status = {};
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}
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is_in_use = info.is_in_use;
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}
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void AudioRenderer::VoiceState::RefreshBuffer(
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Core::Memory::Memory& memory, std::array<VoiceResourceInformation*, 6> voice_resources) {
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const auto wave_buffer_address = info.wave_buffer[wave_index].buffer_addr;
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const auto wave_buffer_size = info.wave_buffer[wave_index].buffer_sz;
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std::vector<s16> new_samples(wave_buffer_size / sizeof(s16));
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memory.ReadBlock(wave_buffer_address, new_samples.data(), wave_buffer_size);
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switch (static_cast<Codec::PcmFormat>(info.sample_format)) {
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case Codec::PcmFormat::Int16: {
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// PCM16 is played as-is
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break;
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}
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case Codec::PcmFormat::Adpcm: {
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// Decode ADPCM to PCM16
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Codec::ADPCM_Coeff coeffs;
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memory.ReadBlock(info.additional_params_addr, coeffs.data(), sizeof(Codec::ADPCM_Coeff));
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new_samples = Codec::DecodeADPCM(reinterpret_cast<u8*>(new_samples.data()),
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new_samples.size() * sizeof(s16), coeffs, adpcm_state);
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unimplemented sample_format={}", info.sample_format);
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break;
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}
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switch (info.channel_count) {
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case 1: {
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// 1 channel is upsampled to 2 channel
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samples.resize(new_samples.size() * 2);
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for (std::size_t index = 0; index < new_samples.size(); ++index) {
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auto sample = static_cast<float>(new_samples[index]);
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if (voice_resources[0]->in_use) {
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sample *= voice_resources[0]->mix_volumes[0];
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}
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samples[index * 2] = static_cast<s16>(sample);
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samples[index * 2 + 1] = static_cast<s16>(sample);
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}
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break;
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}
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case 2: {
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// 2 channel is played as is
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samples = std::move(new_samples);
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const std::size_t sample_count = (samples.size() / 2);
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for (std::size_t index = 0; index < sample_count; ++index) {
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const std::size_t index_l = index * 2;
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const std::size_t index_r = index * 2 + 1;
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auto sample_l = static_cast<float>(samples[index_l]);
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auto sample_r = static_cast<float>(samples[index_r]);
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if (voice_resources[0]->in_use) {
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sample_l *= voice_resources[0]->mix_volumes[0];
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}
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if (voice_resources[1]->in_use) {
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sample_l *= voice_resources[1]->mix_volumes[1];
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}
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samples[index_l] = static_cast<s16>(sample_l);
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samples[index_r] = static_cast<s16>(sample_r);
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}
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break;
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}
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case 6: {
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samples.resize((new_samples.size() / 6) * 2);
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const std::size_t sample_count = samples.size() / 2;
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for (std::size_t index = 0; index < sample_count; ++index) {
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auto FL = static_cast<float>(new_samples[index * 6]);
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auto FR = static_cast<float>(new_samples[index * 6 + 1]);
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auto FC = static_cast<float>(new_samples[index * 6 + 2]);
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auto BL = static_cast<float>(new_samples[index * 6 + 4]);
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auto BR = static_cast<float>(new_samples[index * 6 + 5]);
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if (voice_resources[0]->in_use) {
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FL *= voice_resources[0]->mix_volumes[0];
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}
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if (voice_resources[1]->in_use) {
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FR *= voice_resources[1]->mix_volumes[1];
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}
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if (voice_resources[2]->in_use) {
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FC *= voice_resources[2]->mix_volumes[2];
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}
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if (voice_resources[4]->in_use) {
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BL *= voice_resources[4]->mix_volumes[4];
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}
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if (voice_resources[5]->in_use) {
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BR *= voice_resources[5]->mix_volumes[5];
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}
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samples[index * 2] = static_cast<s16>(0.3694f * FL + 0.2612f * FC + 0.3694f * BL);
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samples[index * 2 + 1] = static_cast<s16>(0.3694f * FR + 0.2612f * FC + 0.3694f * BR);
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}
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unimplemented channel_count={}", info.channel_count);
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break;
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}
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// Only interpolate when necessary, expensive.
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if (GetInfo().sample_rate != STREAM_SAMPLE_RATE) {
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samples = Interpolate(interp_state, std::move(samples), GetInfo().sample_rate,
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STREAM_SAMPLE_RATE);
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}
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is_refresh_pending = false;
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}
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void AudioRenderer::EffectState::UpdateState(Core::Memory::Memory& memory) {
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if (info.is_new) {
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out_status.state = EffectStatus::New;
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} else {
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if (info.type == Effect::Aux) {
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ASSERT_MSG(memory.Read32(info.aux_info.return_buffer_info) == 0,
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"Aux buffers tried to update");
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ASSERT_MSG(memory.Read32(info.aux_info.send_buffer_info) == 0,
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"Aux buffers tried to update");
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ASSERT_MSG(memory.Read32(info.aux_info.return_buffer_base) == 0,
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"Aux buffers tried to update");
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ASSERT_MSG(memory.Read32(info.aux_info.send_buffer_base) == 0,
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"Aux buffers tried to update");
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}
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}
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}
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static constexpr s16 ClampToS16(s32 value) {
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return static_cast<s16>(std::clamp(value, -32768, 32767));
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}
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void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
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constexpr std::size_t BUFFER_SIZE{512};
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std::vector<s16> buffer(BUFFER_SIZE * stream->GetNumChannels());
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for (auto& voice : voices) {
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if (!voice.IsPlaying()) {
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continue;
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}
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std::array<VoiceResourceInformation*, 6> resources{};
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for (u32 channel = 0; channel < voice.GetInfo().channel_count; channel++) {
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const auto channel_resource_id = voice.GetInfo().voice_channel_resource_ids[channel];
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resources[channel] = &voice_resources[channel_resource_id];
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}
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std::size_t offset{};
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s64 samples_remaining{BUFFER_SIZE};
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while (samples_remaining > 0) {
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const std::vector<s16> samples{
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voice.DequeueSamples(samples_remaining, memory, resources)};
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if (samples.empty()) {
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break;
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}
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samples_remaining -= samples.size() / stream->GetNumChannels();
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for (const auto& sample : samples) {
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const s32 buffer_sample{buffer[offset]};
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buffer[offset++] =
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ClampToS16(buffer_sample + static_cast<s32>(sample * voice.GetInfo().volume));
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}
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}
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}
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audio_out->QueueBuffer(stream, tag, std::move(buffer));
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}
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void AudioRenderer::ReleaseAndQueueBuffers() {
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const auto released_buffers{audio_out->GetTagsAndReleaseBuffers(stream, 2)};
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for (const auto& tag : released_buffers) {
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QueueMixedBuffer(tag);
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}
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}
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} // namespace AudioCore
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