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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.
//
////////////////////////////////////////////////////////////
#ifndef SFML_SOUNDFILEWRITEROGG_HPP
#define SFML_SOUNDFILEWRITEROGG_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/SoundFileWriter.hpp>
#include <vorbis/vorbisenc.h>
#include <fstream>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Implementation of sound file writer that handles OGG/Vorbis files
///
////////////////////////////////////////////////////////////
class SoundFileWriterOgg : public SoundFileWriter
{
public:
////////////////////////////////////////////////////////////
/// \brief Check if this writer can handle a file on disk
///
/// \param filename Path of the sound file to check
///
/// \return True if the file can be written by this writer
///
////////////////////////////////////////////////////////////
static bool check(const std::string& filename);
public:
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
SoundFileWriterOgg();
////////////////////////////////////////////////////////////
/// \brief Destructor
///
////////////////////////////////////////////////////////////
~SoundFileWriterOgg();
////////////////////////////////////////////////////////////
/// \brief Open a sound file for writing
///
/// \param filename Path of the file to open
/// \param sampleRate Sample rate of the sound
/// \param channelCount Number of channels of the sound
///
/// \return True if the file was successfully opened
///
////////////////////////////////////////////////////////////
virtual bool open(const std::string& filename, unsigned int sampleRate, unsigned int channelCount);
////////////////////////////////////////////////////////////
/// \brief Write audio samples to the open file
///
/// \param samples Pointer to the sample array to write
/// \param count Number of samples to write
///
////////////////////////////////////////////////////////////
virtual void write(const Int16* samples, Uint64 count);
private:
////////////////////////////////////////////////////////////
/// \brief Flush blocks produced by the ogg stream, if any
///
////////////////////////////////////////////////////////////
void flushBlocks();
////////////////////////////////////////////////////////////
/// \brief Close the file
///
////////////////////////////////////////////////////////////
void close();
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
unsigned int m_channelCount; // channel count of the sound being written
std::ofstream m_file; // output file
ogg_stream_state m_ogg; // ogg stream
vorbis_info m_vorbis; // vorbis handle
vorbis_dsp_state m_state; // current encoding state
};
} // namespace priv
} // namespace sf
#endif // SFML_SOUNDFILEWRITEROGG_HPP
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