OStreamBufferedSink.hh

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/*
 *  Copyright (C) Massimo Cora' 2006 <maxcvs@gmail.com>
 *
 *  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 Library 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 _OSTREAMBUFFEREDSINK_H_
#define _OSTREAMBUFFEREDSINK_H_

#include <liveMedia.hh>
#include <MediaSink.hh>

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

#include "OStreamConfig.hh"
#include "OStreamVideoDecoder.hh"

typedef bool (on_packet_video_received_cb)( IplImage* image, int stream_id, const void* client_data );

typedef bool (on_packet_audio_received_cb)( unsigned char* audio_buf, int audio_buf_size, 
                                                                                   int stream_id, const void* client_data );

class OStreamBufferedSink : public MediaSink
{
public:
        static OStreamBufferedSink* createNew( UsageEnvironment& env,
                                                on_packet_video_received_cb* fv, const void *vid_callback_data,
                                                on_packet_audio_received_cb* fa, const void *aud_callback_data,
                                                const char* subsession_codec,                           
                                                int stream_id,
                                                const char* receiving_iface,
                                                unsigned int buffer_size = 200000 );

protected:
        OStreamBufferedSink( UsageEnvironment& env,     
                                                on_packet_video_received_cb* fv, const void *vid_callback_data,
                                                on_packet_audio_received_cb* fa, const void *aud_callback_data,
                                                const char* subsession_codec,
                                                int stream_id,
                                                const char* receiving_iface,
                                                unsigned buffer_size );
        virtual ~OStreamBufferedSink();

        static void afterGettingFrame( void* clientData, unsigned frameSize,
                                                unsigned numTruncatedBytes,
                                                struct timeval presentationTime,
                                                unsigned durationInMicroseconds );
        
        virtual void afterGettingFrame1( unsigned frameSize,
                                                struct timeval presentationTime );
        
        on_packet_video_received_cb* f_on_packet_video_received_cb;
        
        on_packet_audio_received_cb* f_on_packet_audio_received_cb;

private:
        bool parse_codec_str ();

        virtual Boolean continuePlaying();

private:
        unsigned char* _packet_buffer;  
        
        unsigned int _packet_buffer_size;
        
        char* _subsession_codec_str;
        
        ostream_decoding_type _subsession_codec_id;
        
        int _stream_id;

        OStreamVideoDecoder* _video_decoder;
        
        const void *_callback_video_data_packet_receiver;
        
        const void *_callback_audio_data_packet_receiver;
};


#endif  //_OSTREAMBUFFEREDSINK_H_

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