yuzu/src/audio_core/command_generator.h
2020-08-01 16:25:08 +10:00

90 lines
3.9 KiB
C++

// 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;
std::size_t GetTotalMixBufferCount() 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, std::size_t mix_buffer_count,
std::size_t mix_buffer_offset);
void GenerateDepopForMixBuffersCommand(std::size_t mix_buffer_count,
std::size_t mix_buffer_offset, s32 sample_rate);
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);
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{};
std::vector<s32> depop_buffer{};
bool dumping_frame{false};
};
} // namespace AudioCore