libretro-dolphin/Source/Core/AudioCommon/SurroundDecoder.h
2019-05-06 18:48:04 +00:00

37 lines
855 B
C++

// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <memory>
#include "Common/CommonTypes.h"
#include "Common/FixedSizeQueue.h"
class DPL2FSDecoder;
namespace AudioCommon
{
class SurroundDecoder
{
public:
explicit SurroundDecoder(u32 sample_rate, u32 frame_block_size);
~SurroundDecoder();
size_t QueryFramesNeededForSurroundOutput(const size_t output_frames) const;
void PutFrames(const short* in, const size_t num_frames_in);
void ReceiveFrames(float* out, const size_t num_frames_out);
void Clear();
private:
u32 m_sample_rate;
u32 m_frame_block_size;
std::unique_ptr<DPL2FSDecoder> m_fsdecoder;
std::array<float, 32768> m_float_conversion_buffer;
FixedSizeQueue<float, 32768> m_decoded_fifo;
};
} // namespace AudioCommon