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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2016 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/InputSoundFile.hpp>
#include <SFML/Audio/SoundFileReader.hpp>
#include <SFML/Audio/SoundFileFactory.hpp>
#include <SFML/System/InputStream.hpp>
#include <SFML/System/FileInputStream.hpp>
#include <SFML/System/MemoryInputStream.hpp>
#include <SFML/System/Err.hpp>
namespace sf
{
////////////////////////////////////////////////////////////
InputSoundFile::InputSoundFile() :
m_reader (NULL),
m_stream (NULL),
m_streamOwned (false),
m_sampleCount (0),
m_channelCount(0),
m_sampleRate (0)
{
}
////////////////////////////////////////////////////////////
InputSoundFile::~InputSoundFile()
{
// Close the file in case it was open
close();
}
////////////////////////////////////////////////////////////
bool InputSoundFile::openFromFile(const std::string& filename)
{
// If the file is already open, first close it
close();
// Find a suitable reader for the file type
m_reader = SoundFileFactory::createReaderFromFilename(filename);
if (!m_reader)
return false;
// Wrap the file into a stream
FileInputStream* file = new FileInputStream;
m_stream = file;
m_streamOwned = true;
// Open it
if (!file->open(filename))
{
close();
return false;
}
// Pass the stream to the reader
SoundFileReader::Info info;
if (!m_reader->open(*file, info))
{
close();
return false;
}
// Retrieve the attributes of the open sound file
m_sampleCount = info.sampleCount;
m_channelCount = info.channelCount;
m_sampleRate = info.sampleRate;
return true;
}
////////////////////////////////////////////////////////////
bool InputSoundFile::openFromMemory(const void* data, std::size_t sizeInBytes)
{
// If the file is already open, first close it
close();
// Find a suitable reader for the file type
m_reader = SoundFileFactory::createReaderFromMemory(data, sizeInBytes);
if (!m_reader)
return false;
// Wrap the memory file into a stream
MemoryInputStream* memory = new MemoryInputStream;
m_stream = memory;
m_streamOwned = true;
// Open it
memory->open(data, sizeInBytes);
// Pass the stream to the reader
SoundFileReader::Info info;
if (!m_reader->open(*memory, info))
{
close();
return false;
}
// Retrieve the attributes of the open sound file
m_sampleCount = info.sampleCount;
m_channelCount = info.channelCount;
m_sampleRate = info.sampleRate;
return true;
}
////////////////////////////////////////////////////////////
bool InputSoundFile::openFromStream(InputStream& stream)
{
// If the file is already open, first close it
close();
// Find a suitable reader for the file type
m_reader = SoundFileFactory::createReaderFromStream(stream);
if (!m_reader)
return false;
// store the stream
m_stream = &stream;
m_streamOwned = false;
// Don't forget to reset the stream to its beginning before re-opening it
if (stream.seek(0) != 0)
{
err() << "Failed to open sound file from stream (cannot restart stream)" << std::endl;
return false;
}
// Pass the stream to the reader
SoundFileReader::Info info;
if (!m_reader->open(stream, info))
{
close();
return false;
}
// Retrieve the attributes of the open sound file
m_sampleCount = info.sampleCount;
m_channelCount = info.channelCount;
m_sampleRate = info.sampleRate;
return true;
}
////////////////////////////////////////////////////////////
Uint64 InputSoundFile::getSampleCount() const
{
return m_sampleCount;
}
////////////////////////////////////////////////////////////
unsigned int InputSoundFile::getChannelCount() const
{
return m_channelCount;
}
////////////////////////////////////////////////////////////
unsigned int InputSoundFile::getSampleRate() const
{
return m_sampleRate;
}
////////////////////////////////////////////////////////////
Time InputSoundFile::getDuration() const
{
return seconds(static_cast<float>(m_sampleCount) / m_channelCount / m_sampleRate);
}
////////////////////////////////////////////////////////////
void InputSoundFile::seek(Uint64 sampleOffset)
{
if (m_reader)
m_reader->seek(sampleOffset);
}
////////////////////////////////////////////////////////////
void InputSoundFile::seek(Time timeOffset)
{
seek(static_cast<Uint64>(timeOffset.asSeconds() * m_sampleRate * m_channelCount));
}
////////////////////////////////////////////////////////////
Uint64 InputSoundFile::read(Int16* samples, Uint64 maxCount)
{
if (m_reader && samples && maxCount)
return m_reader->read(samples, maxCount);
else
return 0;
}
////////////////////////////////////////////////////////////
void InputSoundFile::close()
{
// Destroy the reader
delete m_reader;
m_reader = NULL;
// Destroy the stream if we own it
if (m_streamOwned)
{
delete m_stream;
m_streamOwned = false;
}
m_stream = NULL;
// Reset the sound file attributes
m_sampleCount = 0;
m_channelCount = 0;
m_sampleRate = 0;
}
} // namespace sf
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