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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 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/Music.hpp>
#include <SFML/Audio/ALCheck.hpp>
#include <SFML/System/Lock.hpp>
#include <SFML/System/Err.hpp>
#include <fstream>
namespace sf
{
////////////////////////////////////////////////////////////
Music::Music() :
m_file (),
m_duration()
{
}
////////////////////////////////////////////////////////////
Music::~Music()
{
// We must stop before destroying the file
stop();
}
////////////////////////////////////////////////////////////
bool Music::openFromFile(const std::string& filename)
{
// First stop the music if it was already running
stop();
// Open the underlying sound file
if (!m_file.openFromFile(filename))
return false;
// Perform common initializations
initialize();
return true;
}
////////////////////////////////////////////////////////////
bool Music::openFromMemory(const void* data, std::size_t sizeInBytes)
{
// First stop the music if it was already running
stop();
// Open the underlying sound file
if (!m_file.openFromMemory(data, sizeInBytes))
return false;
// Perform common initializations
initialize();
return true;
}
////////////////////////////////////////////////////////////
bool Music::openFromStream(InputStream& stream)
{
// First stop the music if it was already running
stop();
// Open the underlying sound file
if (!m_file.openFromStream(stream))
return false;
// Perform common initializations
initialize();
return true;
}
////////////////////////////////////////////////////////////
Time Music::getDuration() const
{
return m_duration;
}
////////////////////////////////////////////////////////////
bool Music::onGetData(SoundStream::Chunk& data)
{
Lock lock(m_mutex);
// Fill the chunk parameters
data.samples = &m_samples[0];
data.sampleCount = static_cast<std::size_t>(m_file.read(&m_samples[0], m_samples.size()));
// Check if we have reached the end of the audio file
return data.sampleCount == m_samples.size();
}
////////////////////////////////////////////////////////////
void Music::onSeek(Time timeOffset)
{
Lock lock(m_mutex);
m_file.seek(timeOffset);
}
////////////////////////////////////////////////////////////
void Music::initialize()
{
// Compute the music duration
m_duration = m_file.getDuration();
// Resize the internal buffer so that it can contain 1 second of audio samples
m_samples.resize(m_file.getSampleRate() * m_file.getChannelCount());
// Initialize the stream
SoundStream::initialize(m_file.getChannelCount(), m_file.getSampleRate());
}
} // namespace sf
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