videodisplay.c

基于osip、eXosip、speex、ffmpeg的VoIP源代码

/*
mediastreamer2 library - modular sound and video processing and streaming
Copyright (C) 2006  Simon MORLAT ([e-mail])

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.
*/

#include "mediastreamer2/mediastream.h"
#include "mediastreamer2/msvideoout.h"
#include "mediastreamer2/msv4l.h"

int main(int argc, char *argv[]){
	VideoStream *vs;
	MSWebCam *cam;
	int i;
	ortp_init();
	ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
	ms_init();
	cam=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
	/* this is to test the sequence start/stop */
	for(i=0;i<1;++i){
		int n;
		vs=video_preview_start(cam);

        	for(n=0;n<1000;++n){
#ifdef WIN32
			MSG msg;
    		Sleep(100);
			while (PeekMessage(&msg, NULL, 0, 0,1)){
        			TranslateMessage(&msg);
        			DispatchMessage(&msg);
			}
#else
			struct timespec ts;
			ts.tv_sec=0;
			ts.tv_nsec=10000000;
			nanosleep(&ts,NULL);

			if (vs) video_stream_iterate(vs);
#endif

#if 0 /* test code */
			if (n==300)
			  {
			    ms_filter_call_method_noarg (vs->source, MS_V4L_STOP);
			  }
			if (n==400)
			  {
			    ms_ticker_detach (vs->ticker, vs->source);

			    vs->tee = ms_filter_new(MS_TEE_ID);

			    ms_filter_unlink(vs->pixconv,0, vs->output,0);

			    ms_filter_link(vs->pixconv,0,vs->tee,0);
			    ms_filter_link(vs->tee,0,vs->output,0);
			    ms_filter_link(vs->tee,1,vs->output,1);
			    
			    //ms_filter_unlink(vs->tee,0,vs->output,0);
			    ms_ticker_attach (vs->ticker, vs->source);

			  }
			if (n==500)
			  {
			    int corner=1;
			    ms_filter_call_method(vs->output,MS_VIDEO_OUT_SET_CORNER,&corner);
			  }
			if (n==600)
			  {
			    int corner=2;
			    ms_filter_call_method(vs->output,MS_VIDEO_OUT_SET_CORNER,&corner);
			  }
			if (n==700)
			  {
			    int corner=3;
			    ms_filter_call_method(vs->output,MS_VIDEO_OUT_SET_CORNER,&corner);
			  }
			if (n==800)
			  {
			    int corner=-1;
			    ms_filter_call_method(vs->output,MS_VIDEO_OUT_SET_CORNER,&corner);
			  }
			if (n==900)
			  {
			    ms_ticker_detach (vs->ticker, vs->source);

			    ms_filter_unlink(vs->pixconv,0,vs->tee,0);
			    ms_filter_unlink(vs->tee,0,vs->output,0);
			    ms_filter_unlink(vs->tee,1,vs->output,1);
			    ms_filter_destroy(vs->tee);
			    vs->tee=NULL;

			    ms_filter_link(vs->pixconv,0, vs->output,0);

			    
			    //ms_filter_unlink(vs->tee,0,vs->output,0);
			    ms_ticker_attach (vs->ticker, vs->source);
			  }
#endif
		}
		video_preview_stop(vs);
	}
	return 0;
}