dolphin/Source/Core/AudioCommon/WaveFile.h

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// Copyright 2008 Dolphin Emulator Project
2015-05-17 23:08:10 +00:00
// Licensed under GPLv2+
// Refer to the license.txt file included.
// ---------------------------------------------------------------------------------
// Class: WaveFileWriter
// Description: Simple utility class to make it easy to write long 16-bit stereo
// audio streams to disk.
// Use Start() to start recording to a file, and AddStereoSamples to add wave data.
// The float variant will convert from -1.0-1.0 range and clamp.
// Alternatively, AddSamplesBE for big endian wave data.
// If Stop is not called when it destructs, the destructor will call Stop().
// ---------------------------------------------------------------------------------
#pragma once
#include <array>
#include <string>
#include "Common/CommonTypes.h"
#include "Common/File.h"
#include "Common/NonCopyable.h"
class WaveFileWriter : NonCopyable
{
public:
WaveFileWriter();
~WaveFileWriter();
bool Start(const std::string& filename, unsigned int HLESampleRate);
void Stop();
void SetSkipSilence(bool skip) { skip_silence = skip; }
void AddStereoSamplesBE(const short* sample_data, u32 count, int sample_rate); // big endian
u32 GetAudioSize() const { return audio_size; }
private:
static constexpr size_t BUFFER_SIZE = 32 * 1024;
File::IOFile file;
bool skip_silence = false;
u32 audio_size = 0;
std::array<short, BUFFER_SIZE> conv_buffer{};
void Write(u32 value);
void Write4(const char* ptr);
std::string basename;
int current_sample_rate;
int file_index = 0;
};