AUD_FFMPEGWriter.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * Copyright 2009-2011 Jörg Hermann Müller
 *
 * This file is part of AudaSpace.
 *
 * Audaspace is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * AudaSpace is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Audaspace; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef AUD_FFMPEGWRITER
#define AUD_FFMPEGWRITER

#include "AUD_ConverterFunctions.h"
#include "AUD_Buffer.h"
#include "AUD_IWriter.h"

#include <string>

struct AVCodecContext;
extern "C" {
#include <libavformat/avformat.h>
}

class AUD_FFMPEGWriter : public AUD_IWriter
{
private:
    int m_position;

    AUD_DeviceSpecs m_specs;

    AVFormatContext* m_formatCtx;

    AVCodecContext* m_codecCtx;

    AVOutputFormat* m_outputFmt;

    AVStream* m_stream;

    AUD_Buffer m_input_buffer;

    AUD_Buffer m_output_buffer;

    unsigned int m_input_samples;

    unsigned int m_input_size;

    AUD_convert_f m_convert;

    // hide copy constructor and operator=
    AUD_FFMPEGWriter(const AUD_FFMPEGWriter&);
    AUD_FFMPEGWriter& operator=(const AUD_FFMPEGWriter&);

    void encode(sample_t* data);

public:
    AUD_FFMPEGWriter(std::string filename, AUD_DeviceSpecs specs, AUD_Container format, AUD_Codec codec, unsigned int bitrate);

    virtual ~AUD_FFMPEGWriter();

    virtual int getPosition() const;
    virtual AUD_DeviceSpecs getSpecs() const;
    virtual void write(unsigned int length, sample_t* buffer);
};

#endif //AUD_FFMPEGWRITER