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-rw-r--r--src/audio_core/command_generator.h83
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diff --git a/src/audio_core/command_generator.h b/src/audio_core/command_generator.h
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+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include "audio_core/common.h"
+#include "audio_core/voice_context.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Core::Memory {
+class Memory;
+}
+
+namespace AudioCore {
+class MixContext;
+class SplitterContext;
+class ServerSplitterDestinationData;
+class ServerMixInfo;
+using MixVolumeBuffer = std::array<float, AudioCommon::MAX_MIX_BUFFERS>;
+class CommandGenerator {
+public:
+ explicit CommandGenerator(AudioCommon::AudioRendererParameter& worker_params,
+ VoiceContext& voice_context, MixContext& mix_context,
+ SplitterContext& splitter_context, Core::Memory::Memory& memory);
+ ~CommandGenerator();
+
+ void ClearMixBuffers();
+ void GenerateVoiceCommands();
+ void GenerateVoiceCommand(ServerVoiceInfo& voice_info);
+ void GenerateSubMixCommands();
+ void GenerateFinalMixCommands();
+ void PreCommand();
+ void PostCommand();
+
+ s32* GetChannelMixBuffer(s32 channel);
+ const s32* GetChannelMixBuffer(s32 channel) const;
+ s32* GetMixBuffer(std::size_t index);
+ const s32* GetMixBuffer(std::size_t index) const;
+ std::size_t GetMixChannelBufferOffset(s32 channel) const;
+
+private:
+ void GenerateDataSourceCommand(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 channel);
+ void GenerateBiquadFilterCommandForVoice(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
+ s32 mix_buffer_count, s32 channel);
+ void GenerateVolumeRampCommand(float last_volume, float current_volume, s32 channel,
+ s32 node_id);
+ void GenerateVoiceMixCommand(const MixVolumeBuffer& mix_volumes,
+ const MixVolumeBuffer& last_mix_volumes, VoiceState& dsp_state,
+ s32 mix_buffer_offset, s32 mix_buffer_count, s32 voice_index,
+ s32 node_id);
+ void GenerateSubMixCommand(ServerMixInfo& mix_info);
+ void GenerateMixCommands(ServerMixInfo& mix_info);
+ void GenerateMixCommand(std::size_t output_offset, std::size_t input_offset, float volume,
+ s32 node_id);
+ void GenerateFinalMixCommand();
+ void GenerateBiquadFilterCommand(s32 mix_buffer, const BiquadFilterParameter& params,
+ std::array<s64, 2>& state, std::size_t input_offset,
+ std::size_t output_offset, s32 sample_count, s32 node_id);
+ void GenerateDepopPrepareCommand(VoiceState& dsp_state);
+ ServerSplitterDestinationData* GetDestinationData(s32 splitter_id, s32 index);
+
+ // DSP Code
+ s32 DecodePcm16(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 sample_count,
+ s32 channel, std::size_t mix_offset);
+ s32 DecodeAdpcm(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 sample_count,
+ s32 channel, std::size_t mix_offset);
+ void DecodeFromWaveBuffers(ServerVoiceInfo& voice_info, s32* output, VoiceState& dsp_state,
+ s32 channel, s32 target_sample_rate, s32 sample_count, s32 node_id);
+ void Resample(s32* output, s32* input, s32 pitch, s32& fraction, s32 sample_count);
+
+ AudioCommon::AudioRendererParameter& worker_params;
+ VoiceContext& voice_context;
+ MixContext& mix_context;
+ SplitterContext& splitter_context;
+ Core::Memory::Memory& memory;
+ std::vector<s32> mix_buffer{};
+ std::vector<s32> sample_buffer{};
+ bool dumping_frame{false};
+};
+} // namespace AudioCore