159 lines
3.4 KiB
C++
159 lines
3.4 KiB
C++
// Copyright 2008 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "AudioCommon/WaveFile.h"
|
|
|
|
#include <string>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/File.h"
|
|
#include "Common/FileUtil.h"
|
|
#include "Common/MsgHandler.h"
|
|
#include "Common/StringUtil.h"
|
|
#include "Common/Swap.h"
|
|
#include "Core/ConfigManager.h"
|
|
|
|
constexpr size_t WaveFileWriter::BUFFER_SIZE;
|
|
|
|
WaveFileWriter::WaveFileWriter()
|
|
{
|
|
}
|
|
|
|
WaveFileWriter::~WaveFileWriter()
|
|
{
|
|
Stop();
|
|
}
|
|
|
|
bool WaveFileWriter::Start(const std::string& filename, unsigned int HLESampleRate)
|
|
{
|
|
// Ask to delete file
|
|
if (File::Exists(filename))
|
|
{
|
|
if (SConfig::GetInstance().m_DumpAudioSilent ||
|
|
AskYesNoT("Delete the existing file '%s'?", filename.c_str()))
|
|
{
|
|
File::Delete(filename);
|
|
}
|
|
else
|
|
{
|
|
// Stop and cancel dumping the audio
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Check if the file is already open
|
|
if (file)
|
|
{
|
|
PanicAlertT("The file %s was already open, the file header will not be written.",
|
|
filename.c_str());
|
|
return false;
|
|
}
|
|
|
|
file.Open(filename, "wb");
|
|
if (!file)
|
|
{
|
|
PanicAlertT("The file %s could not be opened for writing. Please check if it's already opened "
|
|
"by another program.",
|
|
filename.c_str());
|
|
return false;
|
|
}
|
|
|
|
audio_size = 0;
|
|
|
|
if (basename.empty())
|
|
SplitPath(filename, nullptr, &basename, nullptr);
|
|
|
|
current_sample_rate = HLESampleRate;
|
|
|
|
// -----------------
|
|
// Write file header
|
|
// -----------------
|
|
Write4("RIFF");
|
|
Write(100 * 1000 * 1000); // write big value in case the file gets truncated
|
|
Write4("WAVE");
|
|
Write4("fmt ");
|
|
|
|
Write(16); // size of fmt block
|
|
Write(0x00020001); // two channels, uncompressed
|
|
|
|
const u32 sample_rate = HLESampleRate;
|
|
Write(sample_rate);
|
|
Write(sample_rate * 2 * 2); // two channels, 16bit
|
|
|
|
Write(0x00100004);
|
|
Write4("data");
|
|
Write(100 * 1000 * 1000 - 32);
|
|
|
|
// We are now at offset 44
|
|
if (file.Tell() != 44)
|
|
PanicAlert("Wrong offset: %lld", (long long)file.Tell());
|
|
|
|
return true;
|
|
}
|
|
|
|
void WaveFileWriter::Stop()
|
|
{
|
|
// u32 file_size = (u32)ftello(file);
|
|
file.Seek(4, SEEK_SET);
|
|
Write(audio_size + 36);
|
|
|
|
file.Seek(40, SEEK_SET);
|
|
Write(audio_size);
|
|
|
|
file.Close();
|
|
}
|
|
|
|
void WaveFileWriter::Write(u32 value)
|
|
{
|
|
file.WriteArray(&value, 1);
|
|
}
|
|
|
|
void WaveFileWriter::Write4(const char* ptr)
|
|
{
|
|
file.WriteBytes(ptr, 4);
|
|
}
|
|
|
|
void WaveFileWriter::AddStereoSamplesBE(const short* sample_data, u32 count, int sample_rate)
|
|
{
|
|
if (!file)
|
|
PanicAlertT("WaveFileWriter - file not open.");
|
|
|
|
if (count > BUFFER_SIZE * 2)
|
|
PanicAlert("WaveFileWriter - buffer too small (count = %u).", count);
|
|
|
|
if (skip_silence)
|
|
{
|
|
bool all_zero = true;
|
|
|
|
for (u32 i = 0; i < count * 2; i++)
|
|
{
|
|
if (sample_data[i])
|
|
all_zero = false;
|
|
}
|
|
|
|
if (all_zero)
|
|
return;
|
|
}
|
|
|
|
for (u32 i = 0; i < count; i++)
|
|
{
|
|
// Flip the audio channels from RL to LR
|
|
conv_buffer[2 * i] = Common::swap16((u16)sample_data[2 * i + 1]);
|
|
conv_buffer[2 * i + 1] = Common::swap16((u16)sample_data[2 * i]);
|
|
}
|
|
|
|
if (sample_rate != current_sample_rate)
|
|
{
|
|
Stop();
|
|
file_index++;
|
|
std::ostringstream filename;
|
|
filename << File::GetUserPath(D_DUMPAUDIO_IDX) << basename << file_index << ".wav";
|
|
Start(filename.str(), sample_rate);
|
|
current_sample_rate = sample_rate;
|
|
}
|
|
|
|
file.WriteBytes(conv_buffer.data(), count * 4);
|
|
audio_size += count * 4;
|
|
}
|