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vorbis_soundprovider_generic.h

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/*
        $Id: vorbis_soundprovider_generic.h,v 1.7 2000/10/21 13:38:58 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_vorbis_soundprovider_generic
#define header_vorbis_soundprovider_generic

#include "API/Vorbis/vorbis_soundprovider.h"
#include "vorbis/codec.h"

class CL_VorbisSoundProvider_Generic
{
public:
        std::string name;
        CL_InputSourceProvider *provider;
        bool delete_provider;
};

class CL_VorbisStream : public CL_StreamSoundProvider_Session
{
public:
        CL_VorbisStream(CL_InputSource *input);
        virtual ~CL_VorbisStream();

        virtual bool eof() const;
        virtual void stop();
        virtual bool play();
        virtual bool set_position(int pos);
        virtual int get_data(void *data_ptr, int data_requested);
        virtual int get_frequency() const;
        virtual SoundFormat get_format() const;

private:
        void init();
        void deinit();
        void stream_data();
        
        bool inited;
        CL_InputSource *input;
        bool stream_eof;

        ogg_sync_state   oy; /* sync and verify incoming physical bitstream */
        ogg_stream_state os; /* take physical pages, weld into a logical
                                stream of packets */
        ogg_page         og; /* one Ogg bitstream page.  Vorbis packets are inside */
        ogg_packet       op; /* one raw packet of data for decode */

        vorbis_info      vi; /* struct that stores all the static vorbis bitstream
                                settings */
        vorbis_comment   vc; /* struct that stores all the bitstream user comments */
        vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
        vorbis_block     vb; /* local working space for packet->PCM decode */
};

#endif

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