From c85e9dfbeeb447332545d40ac52c07630fbb9121 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Tue, 27 Aug 2013 13:19:21 +0100
Subject: audio thumbnail vector data

---
 rotord/src/graph.cpp         | 10 +++++++++-
 rotord/src/rendercontext.cpp |  9 +++++----
 rotord/src/rotor.cpp         | 12 ++++++++++--
 rotord/src/rotor.h           |  4 ++++
 4 files changed, 28 insertions(+), 7 deletions(-)

(limited to 'rotord/src')

diff --git a/rotord/src/graph.cpp b/rotord/src/graph.cpp
index 5871b7b..162232f 100644
--- a/rotord/src/graph.cpp
+++ b/rotord/src/graph.cpp
@@ -187,7 +187,15 @@ bool Graph::parseJson(string &data,string &media_path){
 					else cerr << "Rotor: cannot find parameter '" << parameter << "' of "<<settings["type"]<<" "<< nodeID << endl;
 					
 				}
-				//
+				//attributes
+				for (int m=0;m<jnodes[i]["attributes"].size();m++){
+					string attribute=jnodes[i]["attributes"][m]["name"].asString();
+					if (nodes[nodeID]->attributes.find(attribute)!=nodes[nodeID]->attributes.end()) {
+						string val=jnodes[i]["attributes"][m]["value"].asString();
+						nodes[nodeID]->attributes.find(attribute)->second->value=val;
+					}
+					else cerr << "Rotor: cannot find attribute '" << attribute << "' of "<<settings["type"]<<" "<< nodeID << endl;
+				}
 
 			}
 			else cerr << "Rotor: duplicate node '"<<nodeID<<"' "<< endl;
diff --git a/rotord/src/rendercontext.cpp b/rotord/src/rendercontext.cpp
index 8c1e847..cbce728 100644
--- a/rotord/src/rendercontext.cpp
+++ b/rotord/src/rendercontext.cpp
@@ -56,7 +56,7 @@ void Render_context::add_queue(Session_task item) {
 }
 //const std::vector<std::string>& command
 void Render_context::session_command(const Session_command& command,xmlIO& XML,HTTPResponse::HTTPStatus& status){
-	
+
 	string s;
 	for (auto c:command.commands){
 		s+=c;
@@ -132,7 +132,8 @@ void Render_context::session_command(const Session_command& command,xmlIO& XML,H
 				//for now
 				status=HTTPResponse::HTTP_OK;
 				XML.addValue("status","Audio ready");
-				XML.addValue("audio",audio_thumb->print());
+				audio_thumb->print_vector(XML);
+				//XML.addValue("audio",audio_thumb->print());
 			}
 			else {
 				logger.error("ERROR: audio thumbnail requested but no audio loaded");
@@ -236,7 +237,7 @@ void Render_context::session_command(const Session_command& command,xmlIO& XML,H
 					if (false) { //graph.signal_render(signal_xml,framerate)){
 						status=HTTPResponse::HTTP_OK;
 						logger.information("rendering signal to xml");
-						XML.addValue("signal",signal_xml); //this doesn't work >> pseudo xml 
+						XML.addValue("signal",signal_xml); //this doesn't work >> pseudo xml
 					}
 					else {
 						status=HTTPResponse::HTTP_INTERNAL_SERVER_ERROR;
@@ -352,7 +353,7 @@ bool Render_context::load_audio(const string &filename,vector<Audio_processor*>
     int rate = loader.codecContext->sample_rate;
 	int samples = ((loader.formatContext->duration + 5000)*rate)/AV_TIME_BASE; //why 5000 more?
 	int channels= loader.codecContext->channels;
-	int bits = loader.codecContext->bits_per_raw_sample;
+	int bits = 16; //??? loader.codecContext->bits_per_raw_sample;
 
 	for (auto p: processors) {
 		if(!p->init(channels,bits,samples,rate) ){
diff --git a/rotord/src/rotor.cpp b/rotord/src/rotor.cpp
index bbae972..9cd1d7c 100755
--- a/rotord/src/rotor.cpp
+++ b/rotord/src/rotor.cpp
@@ -82,7 +82,7 @@ bool Audio_thumbnailer::init(int _channels,int _bits,int _samples,int _rate) {
 	column=0; //point thumbnail bitmap
 	out_sample=0; //sample in whole track
 	offset=0x1<<(bits-1); //signed audio
-	scale=1.0/offset;
+	scale=1.0f/offset;
 	sample=0;
 	samples=0;
 	accum=0.0;
@@ -125,6 +125,7 @@ int Audio_thumbnailer::process_frame(uint8_t *_data,int samples_in_frame){
 			for (int i=0;i<height;i++) {
 				data[i*width+column]=abs(i-hh)<colheight?0xff:0x00;
 			}
+			vectordata[column]=mean;
 			column++;
 			sample=0;
 			samples=0;
@@ -153,7 +154,14 @@ string Audio_thumbnailer::print(){
 	delete enc;
 	return output.str();
 }
-
+void Audio_thumbnailer::print_vector(xmlIO XML){
+	string vdata;
+	for (int i=0;i<width;i++){
+		if (i>0) vdata+=",";
+		vdata+=ofToString(vectordata[i]);
+	}
+	XML.addValue("data",vdata);
+}
 bool Audio_analysis::init(int _channels,int _bits,int _samples, int _rate) {
 	//need these to make sense of data
 	channels=_channels;
diff --git a/rotord/src/rotor.h b/rotord/src/rotor.h
index da1ac8a..b47dcc0 100755
--- a/rotord/src/rotor.h
+++ b/rotord/src/rotor.h
@@ -1229,16 +1229,20 @@ namespace Rotor {
 				width=512;  //fit
 				data=new uint8_t[height*width];
 				memset(data,0,height*width);
+				vectordata =new float[width];
 			};
 			~Audio_thumbnailer(){
 				delete[] data;
+				delete[] vectordata;
 			};
 			Audio_thumbnailer* clone(map<string,string> &_settings) { return new Audio_thumbnailer();};
 			bool init(int _channels,int _bits,int _samples,int _rate);
 			void cleanup(){};
 			int process_frame(uint8_t *data,int samples_in_frame);
 			string print();
+			void print_vector(xmlIO XML);
 			uint8_t *data;
+			float *vectordata;
 			int height,width,samples_per_column;
 			int column,out_sample,sample,samples;
 			int offset;
-- 
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