yuzu/src/audio_core/sink_context.h
2020-11-17 15:40:19 +11:00

97 lines
2.6 KiB
C++

// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "audio_core/common.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
namespace AudioCore {
using DownmixCoefficients = std::array<float_le, 4>;
enum class SinkTypes : u8 {
Invalid = 0,
Device = 1,
Circular = 2,
};
enum class SinkSampleFormat : u32_le {
None = 0,
Pcm8 = 1,
Pcm16 = 2,
Pcm24 = 3,
Pcm32 = 4,
PcmFloat = 5,
Adpcm = 6,
};
class SinkInfo {
public:
struct CircularBufferIn {
u64_le address;
u32_le size;
u32_le input_count;
u32_le sample_count;
u32_le previous_position;
SinkSampleFormat sample_format;
std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> input;
bool in_use;
INSERT_UNION_PADDING_BYTES(5);
};
static_assert(sizeof(SinkInfo::CircularBufferIn) == 0x28,
"SinkInfo::CircularBufferIn is in invalid size");
struct DeviceIn {
std::array<u8, 255> device_name;
INSERT_UNION_PADDING_BYTES(1);
s32_le input_count;
std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> input;
INSERT_UNION_PADDING_BYTES(1);
bool down_matrix_enabled;
DownmixCoefficients down_matrix_coef;
};
static_assert(sizeof(SinkInfo::DeviceIn) == 0x11c, "SinkInfo::DeviceIn is an invalid size");
struct InParams {
SinkTypes type{};
bool in_use{};
INSERT_PADDING_BYTES(2);
u32_le node_id{};
INSERT_PADDING_WORDS(6);
union {
// std::array<u8, 0x120> raw{};
SinkInfo::DeviceIn device;
SinkInfo::CircularBufferIn circular_buffer;
};
};
static_assert(sizeof(SinkInfo::InParams) == 0x140, "SinkInfo::InParams are an invalid size!");
};
class SinkContext {
public:
explicit SinkContext(std::size_t sink_count);
~SinkContext();
[[nodiscard]] std::size_t GetCount() const;
void UpdateMainSink(const SinkInfo::InParams& in);
[[nodiscard]] bool InUse() const;
[[nodiscard]] std::vector<u8> OutputBuffers() const;
[[nodiscard]] bool HasDownMixingCoefficients() const;
[[nodiscard]] const DownmixCoefficients& GetDownmixCoefficients() const;
private:
bool in_use{false};
s32 use_count{};
std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> buffers{};
std::size_t sink_count{};
bool has_downmix_coefs{false};
DownmixCoefficients downmix_coefficients{};
};
} // namespace AudioCore