From 2ee0ac43e70c941bae5860a8104a54c273474ee6 Mon Sep 17 00:00:00 2001
From: Comment <tim@gray.(none)>
Date: Sun, 28 Apr 2013 16:15:02 +0100
Subject: getting black frames

---
 rotord/rotor.cpp | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

(limited to 'rotord/rotor.cpp')

diff --git a/rotord/rotor.cpp b/rotord/rotor.cpp
index 23e2196..84578db 100755
--- a/rotord/rotor.cpp
+++ b/rotord/rotor.cpp
@@ -166,9 +166,9 @@ bool Video_output::render(const float duration, const float framerate,const stri
 	int frameRate=25;
 	AVCodecID codecId=AV_CODEC_ID_MPEG4;
 	std::string container ="mov";
-	std::string input ="01.mp3";
 
-    bool usingaudio=audioloader.setup(input);
+    bool usingaudio=audioloader.setup(audio_filename);
+    //at the moment it crashes if you render before audio is loaded
 
 	if (exporter->setup(outW,outH,bitRate,frameRate,container)) { //codecId,
 		if (exporter->record(output_filename)) {
@@ -177,7 +177,9 @@ bool Video_output::render(const float duration, const float framerate,const stri
 			float step=1.0f/framerate;
 			float v=0.0f;
 			for (float f=0.0f;f<duration;f+=step) {
-				if (!exporter->encodeFrame(get_output(Frame_spec(f,framerate,outW,outH))->RGBdata,audioloader.get_samples(exporter->get_audio_framesize()))){
+			    uint16_t* s=audioloader.get_samples(exporter->get_audio_framesize());
+			    Image* i=get_output(Frame_spec(f,framerate,outW,outH));
+				if (!exporter->encodeFrame(i->RGBdata,s)){
 				//if (!exporter->encodeFrame(get_output(Frame_spec(f,framerate,outW,outH))->RGBdata,audioloader.get_packet())){
 					cerr << "Rotor: video output failed"<<endl;
 				 	break;
@@ -193,10 +195,17 @@ bool Video_output::render(const float duration, const float framerate,const stri
 }
 
 bool Video_input::load(const string &filename){
-    if (player->loadMovie(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);
-        cerr<<"loaded "<<filename<<", "<<player->getDuration()<<" seconds "<<", "<<player->getWidth()<<"x"<<player->getWidth()<<endl;
+        player->update();
+        cerr<<"Rotor::Video_input loaded "<<filename<<", "<<player->getDuration()<<" seconds "<<", "<<player->getWidth()<<"x"<<player->getHeight()<<endl;
+       	image->setup_fromRGB(player->getWidth(),player->getHeight(),(uint8_t*) player->getPixels());
         return true;
     }
     return false;
@@ -209,5 +218,20 @@ Image* Video_input::get_output(const Frame_spec &frame){
     //    image.setup(player)
 
     //}
+
+	//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);
+		player->setFrame((int) (frame.time*frame.framerate));
+		player->update();
+		cerr<<"Video_input: retrieving frame "<<((int) (frame.time*frame.framerate))<<endl;
+		return image;
+	}
     return nullptr;
 };
-- 
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