/* 
 *
 * $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
 * Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
 *
 * This file is part of the K3b project.
 * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * 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.
 * See the file "COPYING" for the exact licensing terms.
 */

#ifndef _K3B_VIDEODVD_AUDIO_STREAM_H_
#define _K3B_VIDEODVD_AUDIO_STREAM_H_

#include <k3b_export.h>

#include <tqstring.h>


namespace K3bVideoDVD
{
  enum AudioFormat {
    AUDIO_FORMAT_AC3      = 0,
    AUDIO_FORMAT_MPEG1    = 2,
    AUDIO_FORMAT_MPEG2EXT = 3,
    AUDIO_FORMAT_LPCM     = 4,
    AUDIO_FORMAT_DTS      = 6
  };

  enum AudioApplicationMode {
    AUDIO_APPLICATION_KARAOKE  = 1,
    AUDIO_APPLICATION_SURROUND = 2
  };

  enum AudioQuantization {
    AUDIO_QUANTIZATION_16BIT = 0,
    AUDIO_QUANTIZATION_20BIT = 1,
    AUDIO_QUANTIZATION_24BIT = 2
  };

  enum AudioSampleFrequency {
    AUDIO_SAMPLE_FREQ_48HZ = 0,
    AUDIO_SAMPLE_FREQ_96HZ = 1
  };

  enum AudioCodeExtension {
    AUDIO_CODE_EXT_UNSPECIFIED       = 0,
    AUDIO_CODE_EXT_NORMAL            = 1,
    AUDIO_CODE_EXT_VISUALLY_IMPAIRED = 2,
    AUDIO_CODE_EXT_DIR_COMMENTS_1    = 3,
    AUDIO_CODE_EXT_DIR_COMMENTS_2    = 4
  };

  class LIBK3B_EXPORT AudioStream
    {
    public:
      AudioStream() {}
      
      /**
       * \return A two chars language code or the empty string
       * if the language is undefined.
       */
      const TQString& langCode() const { return m_langCode; }
      
      /**
       * \see AudioFormat
       */
      unsigned short format() const { return m_format; }

      /**
       * \see AudioApplicationMode
       */
      unsigned short applicationMode() const { return m_applicationMode; }

      /**
       * \see AudioQuantization
       */
      unsigned short quantization() const { return m_quantization; }

      /**
       * \see AudioSampleFrequency
       */
      unsigned short sampleFrequency() const { return m_sampleFrequency; }

      /**
       * \see AudioCodeExtension
       */
      unsigned short codeExtension() const { return m_codeExtension; }

      bool multiChannelExt() const { return m_multiChannelExt; }

      unsigned short channels() const { return m_channels; }

    private:
      unsigned short m_format:3;
      unsigned short m_applicationMode:2;
      unsigned short m_quantization:2;
      unsigned short m_sampleFrequency:2;
      unsigned short m_codeExtension;
      bool m_multiChannelExt;
      unsigned short m_channels:3;
      TQString m_langCode;

      friend class VideoDVD;
    };
}

#endif
