/home/maxime/Projets/Mixxx/1.10/mixxx/src/recording/encodervorbis.h

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/***************************************************************************
                     encodervorbis.h  -  vorbis encoder for mixxx
                             -------------------
    copyright            : (C) 2007 by Wesley Stessens
                           (C) 1994 by Xiph.org (encoder example)
                           (C) 1994 Tobias Rafreider (shoutcast and recording fixes)
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program 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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef ENCODERVORBIS_H
#define ENCODERVORBIS_H

#include <QObject>
#include "defs.h"
#include "configobject.h"
#include "encoder.h"
#include "defs_recording.h"

#include <vorbis/vorbisenc.h> // this also includes vorbis/codec.h

class EngineAbstractRecord;
class TrackInfoObject;

class EncoderVorbis : public Encoder {
    Q_OBJECT
  public:
    EncoderVorbis(EngineAbstractRecord *engine=0);
    ~EncoderVorbis();
    int initEncoder(int bitrate);
    void encodeBuffer(const CSAMPLE *samples, const int size);
    void updateMetaData(char* artist, char* title, char* album);
    void flush();

  private:
    int getSerial();
    void initStream();
    bool metaDataHasChanged();
    //Call this method in conjunction with shoutcast streaming
    void writePage();

    bool m_bStreamInitialized;
    ogg_stream_state m_oggs;    /* take physical pages, weld into logical stream
                                 of packets */
    ogg_page m_oggpage;         /* Ogg bitstream page: contains Vorbis packets */
    ogg_packet m_oggpacket;     /* raw packet of data */
    vorbis_block m_vblock;      /* local working space for packet-to-PCM */
    vorbis_dsp_state m_vdsp;    /* central working space for packet-to-PCM */
    vorbis_info m_vinfo;        /* stores all static vorbis bitstream settings */
    vorbis_comment m_vcomment;  /* stores all user comments */
    bool m_header_write;

    EngineAbstractRecord *m_pEngine;
    TrackPointer m_pMetaData;
    char *m_metaDataTitle;
    char *m_metaDataArtist;
    char *m_metaDataAlbum;
    QFile m_file;

    ControlObjectThread* m_samplerate;

};

#endif