From 3d7eea02aa7a155b84c8c74ecbfd55a1941a9297 Mon Sep 17 00:00:00 2001
From: Comment <tim@gray.(none)>
Date: Fri, 26 Jul 2013 22:46:00 +0100
Subject: tidy files

---
 rotord/rotor.cpp | 361 -------------------------------------------------------
 1 file changed, 361 deletions(-)
 delete mode 100755 rotord/rotor.cpp

(limited to 'rotord/rotor.cpp')

diff --git a/rotord/rotor.cpp b/rotord/rotor.cpp
deleted file mode 100755
index 8b72c50..0000000
--- a/rotord/rotor.cpp
+++ /dev/null
@@ -1,361 +0,0 @@
-#include "rotor.h"
-#include "nodes_audio_analysis.h"
-#include "nodes_drawing.h"
-
-using namespace Rotor;
-Node_factory::Node_factory(){
-	//for now, statically load prototype map in constructor
-	add_type("audio_analysis",new Audio_analysis());
-	add_type("divide",new Signal_divide());
-	add_type("bang",new Is_new_integer());
-	add_type("signal_output",new Signal_output());
-	add_type("testcard",new Testcard());
-	add_type("video_output",new Video_output());
-	add_type("video_loader",new Video_loader());
-	add_type("on_off",new On_off());
-	add_type("invert",new Invert());
-	add_type("video_cycler",new Video_cycler());
-	add_type("luma_levels",new Luma_levels());
-	add_type("echo_trails",new Echo_trails());
-	add_type("time",new Time());
-	add_type("track_time",new Track_time());
-	add_type("comparison",new Comparison()); //TODO: alias to symbols
-	add_type("arithmetic",new Arithmetic()); //TODO: alias to symbols
-	add_type("signal_colour",new Signal_colour());
-	add_type("signal_greyscale",new Signal_greyscale());
-	add_type("image_arithmetic",new Image_arithmetic());
-	add_type("random",new Random());
-	add_type("blend",new Blend());
-	add_type("mirror",new Mirror());
-	add_type("monochrome",new Monochrome());
-	add_type("transform",new Transform());
-	add_type("alpha_merge",new Alpha_merge());
-	add_type("draw",new Draw());
-}
-
-bool Signal_input::connect(Signal_node* source) {
-	if (source->output_type=="signal") {
-		connection=(Node*)source;
-		return true;
-	}
-	else return false;
-}
-void Parameter_input::update(const Time_spec& time){	//gets input and updates variable
-	if (receiver){
-		*receiver=((Signal_node*)connection)->get_output(time);
-	}
-}
-bool Image_input::connect(Image_node* source) {
-	if (source->output_type=="image") {
-		connection=(Node*)source;
-		return true;
-	}
-	else return false;
-}
-void Node::update_params(const Time_spec& time){		//compute connected parameters
-	for (auto p:parameter_inputs){
-		p->update(time);
-	}
-}
-bool Signal_output::render(const float duration, const float framerate,string &xml_out){
-	//testing signal routes
-	cerr << "Rotor: Signal_output rendering " << duration << " seconds at " << framerate << " frames per second" << endl;
-	float step=1.0f/framerate;
-	float v=0.0f;
-	float min=10000000.0f;
-	float max=-10000000.0f;
-	for (float f=0.0f;f<duration;f+=step) {
-		float u=get_output(Time_spec(f,framerate,duration));
-		if (!fequal(u,v)) {
-			xml_out+=("<signal time='"+ofToString(f)+"'>"+ofToString(u)+"</signal>\n");
-			v=u;
-			if (v>max) max=v;
-			if (v<min) min=v;
-		}
-	}
-	xml_out+=("<signal_finished min='"+ofToString(min)+"' max='"+ofToString(max)+"'/>\n");
-	return true;
-}
-
-bool Audio_thumbnailer::init(int _channels,int _bits,int _samples,int _rate) {
-	//base_audio_processor::init(_channels,_bits,_samples);
-	channels=_channels;
-	bits=_bits;
-	samples=_samples;
-	samples_per_column=samples/width;
-	column=0; //point thumbnail bitmap
-	out_sample=0; //sample in whole track
-	offset=0x1<<(bits-1); //signed audio
-	scale=1.0/offset;
-	sample=0;
-	samples=0;
-	accum=0.0;
-	return true;
-}
-int Audio_thumbnailer::process_frame(uint8_t *_data,int samples_in_frame){
-	//begin by processing remaining samples
-	//samples per column could be larger than a frame! (probably is)
-	//but all we are doing is averaging
-	int bytes=(bits>>3);
-	int stride=channels*bytes;
-	int in_sample=0;
-	while (in_sample<samples_in_frame&&column<width) {
-		//continue the column
-		while (sample<samples_per_column&&in_sample<samples_in_frame) {
-			//accumulate samples for this column until we run out of samples
-			for (int i=0;i<channels;i++) {
-				unsigned int this_val=0;
-				for (int j=0;j<bytes;j++) {
-					this_val+=_data[(in_sample*stride)+(i*bytes)+j]<<(j*8);
-				}
-				//convert from integer data format - i.e s16p - to audio signal in -1..1 range
-				//presume 16 bits for now...
-				double val=((double)((int16_t)this_val))*scale;
-				accum+=val*val;
-				samples++;
-			}
-			in_sample++;
-			sample++;
-			out_sample++;
-		}
-		if (sample==samples_per_column) { //finished a column
-			//get root-mean
-			double mean=pow(accum/samples,0.5);
-			//if (column==0) {
-			//	cerr << "first column total: "<< accum << " in " << samples << " samples, average " << (accum/samples)<<endl;
-			//}
-			int colheight=height*mean*0.5;
-			int hh=height>>1;
-			for (int i=0;i<height;i++) {
-				data[i*width+column]=abs(i-hh)<colheight?0xff:0x00;
-			}
-			column++;
-			sample=0;
-			samples=0;
-			accum=0.0;
-		}
-	}
-	return out_sample;
-}
-string Audio_thumbnailer::print(){
-	//base64 encode the image data output it
-
-	stringstream output;
-	Poco::Base64Encoder *enc=new Poco::Base64Encoder(output);
-
-	enc->write((char*)data,width*height);
-	//tring output;
-	/*
-	for (int j=0;j<height;j++) {
-		for (int i=0;i<width;i++) {
-			output+=data[j*width+i]<0x7f?"0":"1";
-		}
-		output +="\n";
-	}
-	*/
-	enc->close();
-	delete enc;
-	return output.str();
-}
-bool Audio_analysis::init(int _channels,int _bits,int _samples, int _rate) {
-	//need these to make sense of data
-	channels=_channels;
-	bits=_bits;
-	samples=_samples;
-
-	return analyser.init(soname,id,_channels,_bits,_samples,_rate,outputNo,params);
-
-
-	//attempt to load vamp plugin and prepare to receive frames of data
-	//should the audio analysis contain a vamphost or should it inherit?
-	//maybe neater to contain it in terms of headers etc
-
-}
-int Audio_analysis::process_frame(uint8_t *data,int samples_in_frame) {
-	analyser.process_frame(data,samples_in_frame);
-	return 1;
-}
-void Audio_analysis::cleanup() {
-	analyser.cleanup();
-	//print_features();
-}
-void Audio_analysis::print_features(){
-	for (auto i: analyser.features) {
-		cerr<<" ["<<i.second<<":"<<i.first<<"]";
-	}
-	cerr<<endl;
-}
-
-bool Video_output::render(const float duration, const float framerate,const string &output_filename,const string &audio_filename,float& progress,int outW,int outH){
-
-	//
-	//setup defaults
-	int bitRate=5000000;
-	AVCodecID codecId=AV_CODEC_ID_H264; //MPEG4;
-	std::string container ="mp4";
-
-
-    //at the moment it crashes if you render before audio is loaded and also on 2nd render
-    libav::exporter exporter;
-
-    float spct=100.0f/duration;
-
-	if (exporter.setup(outW,outH,bitRate,framerate,container)) { //codecId,
-		if (exporter.record(output_filename)) {
-
-			libav::audioloader audioloader;
-
-			bool usingaudio=audioloader.setup(audio_filename);
-
-			cerr << "Rotor: Video_output rendering " << duration << " seconds at " << framerate << " fps, audio frame size: " << exporter.get_audio_framesize()<<endl;
-			//25fps video and 43.06640625fps audio? hmm
-			//how to get the timecodes correct for the interleaved files
-
-			struct timeval start, end;
-
-		    gettimeofday(&start, NULL);
-
-		 
-			float vstep=1.0f/framerate;
-			float v=0.0f;
-			float vf=0.0f;
-			float af=0.0f;
-			while (vf<duration){ //-vstep) {
-				if (usingaudio) {
-				    while (!fless(af,vf)) {
-	                    //insert audio frames until we are ahead of the video
-	                    exporter.encodeFrame(audioloader.get_samples(exporter.get_audio_framesize()));
-	                    af+=exporter.get_audio_step();
-
-	                }
-	            }
-
-
-                //[mp3 @ 0x7fffe40330e0] max_analyze_duration 5000000 reached at 5015510 microseconds
-                //[mp3 @ 0x7fffe4033ec0] Insufficient thread locking around avcodec_open/close()
-                //[mp3 @ 0x7fffe40330e0] Estimating duration from bitrate, this may be inaccurate
-                //[libx264 @ 0x7fffe8003940] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
-                //[libx264 @ 0x7fffe8003940] profile High, level 3.0
-                //[libx264 @ 0x7fffe8003940] 264 - core 123 r2189 35cf912 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=10 keyint_min=1 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=abr mbtree=1 bitrate=400 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
-                //Assertion ff_avcodec_locked failed at libavcodec/utils.c:2967
-
-	            //cerr<<"videoloader: "<<vf<<" seconds, vstep "<<vstep<<" ,asking for frame "<<((int)((vf*framerate)+0.5))<<endl;
-
-			    Image* i=get_output(Frame_spec(vf,framerate,duration,outW,outH));
-			    if (i) {
-			    	exporter.encodeFrame(i->RGBdata);
-
-			    }
-			    vf+=vstep;
-			    progress=vf/duration;
-			}
-
-			exporter.finishRecord();
-
-			gettimeofday(&end, NULL);
-
-		    float mtime = ((end.tv_sec-start.tv_sec) + (end.tv_usec-start.tv_usec)/1000000.0) + 0.5;
-
-		    printf("Rotor Video_output: rendered in %02f seconds\n", mtime);
-
-			if (usingaudio) audioloader.close();
-
-			return true;
-		}
-	}
-
-	return false;
-}
-
-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;
-    }
-    Poco::Path path;
-	string uri="file://"+filename;
-    isLoaded=player.open(uri);
-	if (isLoaded){
-		cerr<<"Rotor::Video_loader: "<<filename<<", "<<player.getNumberOfFrames()<<" frames "<<", "<<player.getWidth()<<"x"<<player.getHeight()<<endl;
-   		return true;
-   	}
-    cerr<<"Rotor::Video_loader: failed to load "<<filename<<endl;
-    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;
-	}
-
-	//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
-
-    return nullptr;
-};
-- 
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