moSoundManager.h

Ir a la documentación de este archivo.

/*******************************************************************************

                                moSoundManager.h

  ****************************************************************************
  *                                                                          *
  *   This source 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.                                    *
  *                                                                          *
  *   This code 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.                               *
  *                                                                          *
  *   A copy of the GNU General Public License is available on the World     *
  *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also       *
  *   obtain it by writing to the Free Software Foundation,                  *
  *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.         *
  *                                                                          *
  ****************************************************************************

  Copyright(C) 2006 Fabricio Costa

  Authors:
  Fabricio Costa

*******************************************************************************/

#ifndef _MO_SOUNDMANAGER
#define _MO_SOUNDMANAGER

#include <moTypes.h>
#include <moText.h>
#include <moConfig.h>
#include <moResourceManager.h>
#include <moFileManager.h>
#include <moDataManager.h>
#include <moGsGraph.h>

#define NUMBUFFERS              (4)
#define SERVICE_UPDATE_PERIOD   (20)
#define MO_SOUNDERROR -1


enum moSoundType {
    MO_SOUNDTYPE_UNDEFINED,
    MO_SOUNDTYPE_MP3,
    MO_SOUNDTYPE_WAV,
    MO_SOUNDTYPE_OGG,
    MO_SOUNDTYPE_M4A
};

enum moSoundState {
  MO_SOUND_PLAYING,
  MO_SOUND_SEEKING,
  MO_SOUND_STOPPED
};


struct LIBMOLDEO_API moSoundParam {
        moWord    wFormatTag;
        moWord    nChannels;
        moDWord   nSamplesPerSec;
        moDWord   nAvgBytesPerSec;
        moWord    nBlockAlign;
        moWord    wBitsPerSample;
        moWord    cbSize;
};

const moSoundParam MODefSoundParams =
{
    0,
    0,
    0,
    0,
    0,
    0,
    0
};

const moSoundParam MOUndefinedSound =
{
    MO_UNDEFINED,
    MO_UNDEFINED,
    MO_UNDEFINED,
    MO_UNDEFINED,
    MO_UNDEFINED,
    MO_UNDEFINED,
    MO_UNDEFINED
};


struct LIBMOLDEO_API moSoundEffect : public moAbstract {

    public:
        moSoundEffect() { m_EffectId=0; }
        virtual ~moSoundEffect() {}

        MOuint m_EffectId;

        void SetParameterF( MOint param, MOfloat flValue );
        void GetParameterF( MOint param, MOfloat* pflValue );

};


moDeclareExportedDynamicArray( moSoundEffect*, moSoundEffectArray);


class LIBMOLDEO_API moSoundBuffer : public moAbstract {

    public:
        moSoundBuffer() {  }
        virtual ~moSoundBuffer() {}


};

moDeclareExportedDynamicArray( moSoundBuffer*, moSoundBufferArray);



class LIBMOLDEO_API moSound : public  moAbstract {

    public:
        moSound();
        virtual ~moSound();

        virtual MOboolean Init();
        virtual MOboolean Finish();

        virtual moText GetName();
        virtual void SetName( moText name );

        virtual moText GetFileName();
        virtual void SetFileName( moText filename );

        moSoundType GetType();

    MOboolean LoadFromFile( moText filename );

    MOboolean SupportedFile(moText p_filename);

        virtual void Play();
        virtual void Stop();
        virtual void Pause();
        virtual void Rewind();
        virtual moStreamState State();
        virtual bool  IsPlaying();
        virtual void Update();
        virtual MOulong GetPosition();
        virtual MOulong GetDuration();
        virtual MOulong GetSampleCount();
        virtual void Seek( int position, float rate = 1.0);
        virtual bool  IsEOS();

        virtual void SetVolume( float gain );
        virtual float GetVolume();
        virtual void SetPitch( float pitch );
        virtual float GetPitch();
        virtual void SetBalance( float balance );
        virtual float GetBalance();

    virtual void SetEchoDelay( float delay );
        virtual float GetEchoDelay();
    virtual void SetEchoIntensity( float intensity );
        virtual float GetEchoIntensity();
    virtual void SetEchoFeedback( float feedback );
        virtual float GetEchoFeedback();

        moAudioFormat&   GetAudioFormat() { return m_AudioFormat; }
    MOint   GetBufferSize() { return m_BufferSize; }
    virtual void PlaySample( MOint sampleid );
    MOint   GetActualSample() { return m_ActualSample; }

    protected:

      moText          m_SoundName;
      moSoundType     m_SoundType;
      moText          m_FileName;

      moSoundParam    m_SoundParam;

      moGsGraph*      m_pAudioGraph;
      moAudioFormat   m_AudioFormat;

      float           m_Position;
      float           m_Volume;
      float           m_Pitch;
      float           m_Balance; 

      float           m_EchoDelay;
      float           m_EchoIntensity;
      float           m_EchoFeedback;

      bool            m_bIsPlaying;
      MOint           m_BufferSize;
      MOint         m_ActualSample;
      MOint         m_OldSample;


};



class LIBMOLDEO_API moSound3D : public  moSound {
    public:

      moSound3D();
      virtual ~moSound3D();

      virtual MOboolean  Init();
      virtual MOboolean  Finish();

      virtual void Play() = 0;
      virtual void Stop() = 0;
      virtual void Pause() = 0;
      virtual void Rewind() = 0;
      virtual moStreamState State() = 0;
      virtual void Update() = 0;
      virtual void SetVolume( float gain ) = 0;
      virtual float GetVolume() = 0;
      virtual void SetPitch( float pitch ) = 0;
      virtual float GetPitch() = 0;

      virtual MOboolean BuildEmpty( MOuint p_size ) = 0;
      virtual MOboolean BuildFromBuffer( MOuint p_size, GLvoid* p_buffer ) = 0;
      virtual MOboolean BuildFromFile( const moText& p_filename ) = 0;

      MOint GetSourceId() { return m_SourceId; }
      MOuint GetBufferId() { return m_BufferId; }
      virtual void Final() = 0;
      virtual void Frame(int frame) = 0;
      virtual void Repeat(int repeat) = 0;

      void SetPosition( float x, float y, float z );
      void SetVelocity( float x, float y, float z );
      void SetDirection( float x, float y, float z );



    public:

      moFile*           m_pFile;
      moDataManager*    m_pDataMan;
      moFileManager*    m_pFileMan;

      MOuint            m_SourceId;
      MOuint              m_BufferId;


      /*AL_GAIN
      AL_MIN_GAIN
      AL_MAX_GAIN
      AL_MAX_DISTANCE
      AL_ROLLOFF_FACTOR
      AL_CONE_OUTER_GAIN
      AL_CONE_INNER_ANGLE
      AL_CONE_OUTER_ANGLE
      AL_REFERENCE_DISTANCE*/

};


moDeclareExportedDynamicArray( moSound*, moSoundArray);



class LIBMOLDEO_API moSoundManager : public moResource {
    public:

        moSoundManager();
        virtual ~moSoundManager();

        MOboolean Init();
        MOboolean Finish();

        moSound* GetSound( moText p_name, bool create=true );
        int GetSoundId( moText p_name, bool create=true );
        int AddSound( moSound* p_Sound );

        int GetSoundCount();
        moSound* GetSound( int id);

        moSoundType GetTypeForFile( moText p_name );
        moSoundEffectArray* GetEffects();

    protected:

        moSound* CreateSound( moText p_name );

        moSoundArray    m_sounds_array;

        moSoundEffectArray  m_effects_array;

};


#endif