receiver_ctrl.h

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/*
 *  Copyright (C) Massimo Cora' 2005 <maxcvs@email.it>
 *
 *  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.
 *
 *  This program 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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef __RECEIVER_CTRL_H__
#define __RECEIVER_CTRL_H__


#include <wx/wx.h>
#include <OStream.hh>
#include "main_frame.h"

// opencv
#include <cv.h>
#include <highgui.h>

// fmod
#ifdef __LINUX__
#include <fmodex/fmod.hpp>
#include <fmodex/fmod.h>
#include <fmodex/fmod_errors.h>
#else
#include <fmod.hpp>
#include <fmod.h>
#include <fmod_errors.h>
#endif



typedef struct _image_received_data {
        IplImage* image;
        int stream_id;

} image_received_data_t;


typedef struct _audio_frame_received_data {
        unsigned char* audio;
        int audio_size;
        int stream_id;
        
} audio_received_data_t;

class MainFrame;

class ReceiverCtrlThread : public wxThread {

public:
        ReceiverCtrlThread( class MainFrame * main_frame_instance );
        virtual ~ReceiverCtrlThread();
        void Create( const wxString destRTSPUrl, bool is_multi_stream = false );

        void StopReceiving();
        bool isReceiving();
        bool isShuttingDown();

        void doOmniStuffParsing( IplImage* image_received, int stream_id );
        void notifyMainThread( IplImage* image_received, int stream_id );
        void initializeOmniStuff( IplImage *image_to_parse );
        static bool onImageReceivedFromNet( IplImage* image_received, int stream_id, const void *client_data );
        static bool onAudioFrameReceivedFromNet( unsigned char* audio_buf, int audio_buf_size, 
                                                                                        int stream_id, const void *client_data );

        // just to accomplish callbacks
        static void fake_destroy_image_context( char*, void* );
        static void fake_create_image_context( char*, void* );
        static void ready_to_send_image( IplImage *image, int stream_id, char* __unused__, 
                                                                                void* callback_data );



private:        // functions
        void* Entry();
        void parseErrorStatus( int err_status );

        void doAudioParsing( unsigned char* audio_buf, int audio_buf_size, 
                                                                                int stream_id );
        void fmod_init ();      
        static void add_available_bytes( unsigned char* bytes_to_add_buff, unsigned int bytes_to_add_size );
        static FMOD_RESULT F_CALLBACK fmod_read_cb(void *handle, void *buffer, 
                                                                  unsigned int sizebytes, unsigned int *bytesread, void *userdata);
        static FMOD_RESULT F_CALLBACK fmod_close_cb(void *handle, void *userdata);
        static FMOD_RESULT F_CALLBACK fmod_open_cb(const char *name, int unicode, unsigned int *filesize, 
                                                                  void **handle, void **userdata);
        static FMOD_RESULT F_CALLBACK fmod_seek_cb(void * handle, unsigned int pos, void * userdata );
        void ERRCHECK(FMOD_RESULT result);

private:        // data
        OmniAlgoSimpleDetection<OmniFastLookupTable, int, IplImage, CvPoint> *_ctrl_lookup;
        OmniAlgoSimpleDetection<OmniGCardConverter, double, IplImage, CvPoint> *_ctrl_gcard;

        OmniAlgoVRFilterDetection<OmniFastLookupTable, int, IplImage, CvPoint> *_ctrl_vr_lookup;
        OmniAlgoVRFilterDetection<OmniGCardConverter, double, IplImage, CvPoint> *_ctrl_vr_gcard;

        MainFrame *_main_frame_pointer;
        OStreamReceiver *_receiver;
        bool _receiving_status;
        bool _shutting_down;
        bool _ctrl_initialized;
        bool _is_multi_stream;
        bool _gcard_use;

    FMOD::System     *_system;
    FMOD::Sound      *_sound;
    FMOD::Channel    *_channel;
    FMOD_RESULT      _result;
    unsigned int     _version;
        bool                     _fmod_initialized;

};


#endif

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