61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
// Copyright 2016 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
#include "audio_core/audio_types.h"
|
|
#include "audio_core/hle/shared_memory.h"
|
|
|
|
namespace AudioCore {
|
|
namespace HLE {
|
|
|
|
class Mixers final {
|
|
public:
|
|
Mixers() {
|
|
Reset();
|
|
}
|
|
|
|
void Reset();
|
|
|
|
DspStatus Tick(DspConfiguration& config, const IntermediateMixSamples& read_samples,
|
|
IntermediateMixSamples& write_samples, const std::array<QuadFrame32, 3>& input);
|
|
|
|
StereoFrame16 GetOutput() const {
|
|
return current_frame;
|
|
}
|
|
|
|
private:
|
|
StereoFrame16 current_frame = {};
|
|
|
|
using OutputFormat = DspConfiguration::OutputFormat;
|
|
|
|
struct {
|
|
std::array<float, 3> intermediate_mixer_volume = {};
|
|
|
|
bool mixer1_enabled = false;
|
|
bool mixer2_enabled = false;
|
|
std::array<QuadFrame32, 3> intermediate_mix_buffer = {};
|
|
|
|
OutputFormat output_format = OutputFormat::Stereo;
|
|
|
|
} state;
|
|
|
|
/// INTERNAL: Update our internal state based on the current config.
|
|
void ParseConfig(DspConfiguration& config);
|
|
/// INTERNAL: Read samples from shared memory that have been modified by the ARM11.
|
|
void AuxReturn(const IntermediateMixSamples& read_samples);
|
|
/// INTERNAL: Write samples to shared memory for the ARM11 to modify.
|
|
void AuxSend(IntermediateMixSamples& write_samples, const std::array<QuadFrame32, 3>& input);
|
|
/// INTERNAL: Mix current_frame.
|
|
void MixCurrentFrame();
|
|
/// INTERNAL: Downmix from quadraphonic to stereo based on status.output_format and accumulate
|
|
/// into current_frame.
|
|
void DownmixAndMixIntoCurrentFrame(float gain, const QuadFrame32& samples);
|
|
/// INTERNAL: Generate DspStatus based on internal state.
|
|
DspStatus GetCurrentStatus() const;
|
|
};
|
|
|
|
} // namespace HLE
|
|
} // namespace AudioCore
|