diff options
Diffstat (limited to 'src/audio_core/mix_context.h')
-rw-r--r-- | src/audio_core/mix_context.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/audio_core/mix_context.h b/src/audio_core/mix_context.h new file mode 100644 index 000000000..381566699 --- /dev/null +++ b/src/audio_core/mix_context.h @@ -0,0 +1,107 @@ +// 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 |