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cardsoundbuffer_playback.h

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/*
        $Id: cardsoundbuffer_playback.h,v 1.1 2001/03/06 15:09:26 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------
*/

#ifndef header_cardsoundbuffer_playback
#define header_cardsoundbuffer_playback

#include <utility>
#include <list>

class CL_SoundPlayBackDesc;
class CL_SoundBuffer;
class CL_SoundFilter;
class CL_CardSoundBuffer_Playback
{
public:
        CL_CardSoundBuffer_Playback();
        virtual ~CL_CardSoundBuffer_Playback();
        
        virtual class CL_SoundBuffer_Generic *get_owner()=0;

        virtual int get_position()=0;
        virtual float get_position_relative()=0;

        virtual bool set_position(int new_pos)=0;
        virtual bool set_position_relative(float new_pos)=0;

        virtual int get_length()=0; // -1 if unknown

        virtual int get_frequency()=0;
        virtual bool set_frequency(int new_freq)=0;

        virtual float get_volume()=0;
        virtual bool set_volume(float new_volume)=0;

        virtual float get_pan()=0;
        virtual bool set_pan(float new_pan)=0;

        virtual void play()=0;
        virtual void stop()=0;

        virtual bool is_playing()=0;
        virtual void set_looping(bool loop)=0;
        
        virtual void add_filter(CL_SoundFilter *filter, bool delete_filter);
        virtual void remove_filter(CL_SoundFilter *filter);
        
protected:
        void filter(int *sample_data, int num_samples);

private:
        typedef std::pair<CL_SoundFilter *, bool> FilterPair;
        std::list<FilterPair> filters;
};

#endif

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