citra-shitamoto-network/src/audio_core/hle/pipe.h

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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <vector>
#include "common/common_types.h"
namespace DSP {
namespace HLE {
/// Reset the pipes by setting pipe positions back to the beginning.
void ResetPipes();
enum class DspPipe {
Debug = 0,
Dma = 1,
Audio = 2,
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Binary = 3
};
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constexpr size_t NUM_DSP_PIPE = 8;
/**
* Read a DSP pipe.
* @param pipe_number The Pipe ID
* @param length How much data to request.
* @return The data read from the pipe. The size of this vector can be less than the length requested.
*/
std::vector<u8> PipeRead(DspPipe pipe_number, u32 length);
/**
* How much data is left in pipe
* @param pipe_number The Pipe ID
* @return The amount of data remaning in the pipe. This is the maximum length PipeRead will return.
*/
size_t GetPipeReadableSize(DspPipe pipe_number);
/**
* Write to a DSP pipe.
* @param pipe_number The Pipe ID
* @param buffer The data to write to the pipe.
*/
void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer);
enum class DspState {
Off,
On,
Sleeping
};
/// Get the state of the DSP
DspState GetDspState();
} // namespace HLE
} // namespace DSP