From c2237c2116ca551c0755821beadae3fac54547e7 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@herge.(none)>
Date: Tue, 30 Jul 2013 13:52:22 +0100
Subject: perfecting draw node

---
 rotord/src/rotor.cpp | 77 ++++++++++++----------------------------------------
 1 file changed, 17 insertions(+), 60 deletions(-)

(limited to 'rotord/src/rotor.cpp')

diff --git a/rotord/src/rotor.cpp b/rotord/src/rotor.cpp
index 8b72c50..77433ac 100755
--- a/rotord/src/rotor.cpp
+++ b/rotord/src/rotor.cpp
@@ -268,22 +268,7 @@ bool Video_output::render(const float duration, const float framerate,const stri
 }
 
 bool Video_loader::load(const string &filename){
-	/*
-	//gstreamer needs absolute paths ALWAYS
-    //string uri="file:///home/tim/workspace/rotor/rotord/"+filename;
-    Poco::Path path;
-	string uri="file://"+path.current()+filename;
-	//cerr << "video input: loading "<<uri<<endl;
-    if (player->loadMovie(uri)){
-        player->play();
-        player->setPaused(true);
-        player->setFrameByFrame(true);
-        player->update();
-        cerr<<"Rotor::Video_loader: "<<filename<<", "<<player->getDuration()<<" seconds "<<", "<<player->getWidth()<<"x"<<player->getHeight()<<endl;
-       	image->setup_fromRGB(player->getWidth(),player->getHeight(),(uint8_t*) player->getPixels());
-        return true;
-    }
-    */
+
     if (isLoaded) {
     	player.cleanup(); ///should be in decoder class?
     	isLoaded=false;
@@ -299,63 +284,35 @@ bool Video_loader::load(const string &filename){
     return false;
 }
 Image* Video_loader::output(const Frame_spec &frame){
-    //wonder about the actual mechanism used by gstreamer
-    //have to implment callback when seek is ready?
-    //presume gstreamer caches a loaded frame?
-
-
-	//deal with reolution: swscale from avcodec or put scaler in pipeline?
-	//can image node point to buffer in gst rather than copying the pixels?
-
-	//to test using fp time to seek: need a short movie with synced audio
-
-	//fix actual duration and audio file
-	//trace frame that is being read
-	/*
-	if (player->isLoaded()){
-		//player->setPosition(frame.time);
-		int wanted=((int) (frame.time*frame.framerate))%(player->getTotalNumFrames()-2);  //-2??
-		player->setFrame(wanted);
-		//while (player->getCurrentFrame()!=wanted){
-		//	cerr << "seeking to "<<wanted<<" :"<<player->getCurrentFrame()<<endl;
-			//player->setFrame(wanted);
-			//player->update();
-		//	sleep(.001);
-		//}
-		player->update();
-		image->RGBdata=player->getPixels(); //don't really know why this is needed every frame
-		//cerr<<"Video_loader: retrieving frame "<<((int) (frame.time*frame.framerate))<<endl;
-		return image;
-	}
-	*/
 
 	if (isLoaded){
 		int wanted=(((int) ((frame.time*frame.framerate)+0.5))%(player.getNumberOfFrames()));  //+1 is necessary because 1st frame in a video is number 1?
 
-
-		//if (wanted==99){
-		//	cerr<<"videoloader: near the end"<<endl;
-		//}
-
-		//cerr<<"videoloader: requesting frame "<<wanted<<endl;
-		//if (wanted==68) {
-        //    int nothing=0;
-		//}
-
 		if (!player.fetchFrame(frame.w,frame.h,wanted)) { //seek fail
 			cerr<<"Rotor: failed to seek frame"<<endl;
 			if (image.w>0) return &image; //just return the previous frame if possible
 			else return nullptr;
 		 };
-		 //cerr<<"Video_loader: setting up frame: lineoffset="<<(player.pFrameRGB->linesize[0]-(frame.w*3))<<endl;
 		image.setup_fromRGB(frame.w,frame.h,player.pFrameRGB->data[0],player.pFrameRGB->linesize[0]-(frame.w*3));
 		return &image;
 	}
+    return nullptr;
+};
+/*
+bool CVideo_loader::load(const string &filename){
 
-	//confusingly, crashes with files not made with short files?
-	//seems to be on last frame? - returns nullptr - still tries to clone?
-	//can't really return 1st frame instead, should get # of frames right 1st?
-	//think about what echo trails does on the last frame
+    Poco::Path path;
+	string uri="file://"+filename;
+    isLoaded=player.open(filename);
+	if (isLoaded){
+		cerr<<"Rotor::Video_loader: "<<filename<<", "<<player.get(CV_CAP_PROP_FRAME_COUNT)<<" frames "<<", "<<player.get(CV_CAP_PROP_FRAME_WIDTH)<<"x"<<player.get(CV_CAP_PROP_FRAME_HEIGHT)<<endl;
+   		return true;
+   	}
+    cerr<<"Rotor::Video_loader: failed to load "<<filename<<endl;
+    return false;
+}
+Image* CVideo_loader::output(const Frame_spec &frame){
 
     return nullptr;
 };
+*/
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