suyu/src/audio_core/mix_context.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 <vector>
#include "audio_core/common.h"
#include "audio_core/splitter_context.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
namespace AudioCore {
class BehaviorInfo;
class MixInfo {
public:
struct DirtyHeader {
u32_le magic{};
u32_le mixer_count{};
INSERT_PADDING_BYTES(0x18);
};
static_assert(sizeof(DirtyHeader) == 0x20, "MixInfo::DirtyHeader is an invalid size");
struct InParams {
float_le volume{};
s32_le sample_rate{};
s32_le buffer_count{};
bool in_use{};
INSERT_PADDING_BYTES(3);
s32_le mix_id{};
s32_le effect_count{};
u32_le node_id{};
INSERT_PADDING_WORDS(2);
std::array<std::array<float_le, AudioCommon::MAX_MIX_BUFFERS>, AudioCommon::MAX_MIX_BUFFERS>
mix_volume{};
s32_le dest_mix_id{};
s32_le splitter_id{};
INSERT_PADDING_WORDS(1);
};
static_assert(sizeof(MixInfo::InParams) == 0x930, "MixInfo::InParams is an invalid size");
};
class ServerMixInfo {
public:
struct InParams {
float volume{};
s32 sample_rate{};
s32 buffer_count{};
bool in_use{};
s32 mix_id{};
u32 node_id{};
std::array<std::array<float_le, AudioCommon::MAX_MIX_BUFFERS>, AudioCommon::MAX_MIX_BUFFERS>
mix_volume{};
s32 dest_mix_id{};
s32 splitter_id{};
s32 buffer_offset{};
s32 final_mix_distance{};
};
ServerMixInfo();
~ServerMixInfo();
const ServerMixInfo::InParams& GetInParams() const;
ServerMixInfo::InParams& GetInParams();
bool Update(EdgeMatrix& edge_matrix, const MixInfo::InParams& mix_in,
BehaviorInfo& behavior_info, SplitterContext& splitter_context);
bool HasAnyConnection() const;
void Cleanup();
private:
InParams in_params{};
bool UpdateConnection(EdgeMatrix& edge_matrix, const MixInfo::InParams& mix_in,
SplitterContext& splitter_context);
};
class MixContext {
public:
MixContext();
~MixContext();
void Initialize(const BehaviorInfo& behavior_info, std::size_t mix_count);
void SortInfo();
bool TsortInfo(SplitterContext& splitter_context);
std::size_t GetCount() const;
ServerMixInfo& GetInfo(std::size_t i);
const ServerMixInfo& GetInfo(std::size_t i) const;
ServerMixInfo& GetSortedInfo(std::size_t i);
const ServerMixInfo& GetSortedInfo(std::size_t i) const;
ServerMixInfo& GetFinalMixInfo();
const ServerMixInfo& GetFinalMixInfo() const;
EdgeMatrix& GetEdgeMatrix();
const EdgeMatrix& GetEdgeMatrix() const;
private:
void CalcMixBufferOffset();
void UpdateDistancesFromFinalMix();
NodeStates node_states{};
EdgeMatrix edge_matrix{};
std::size_t info_count{};
std::vector<ServerMixInfo> infos{};
std::vector<ServerMixInfo*> sorted_info{};
};
} // namespace AudioCore