From a29217ecc368cdeee7e908fc7db3c717cc51fd70 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@herge.(none)>
Date: Wed, 10 Apr 2013 16:31:40 +0100
Subject: signal and audio stuff working

---
 rotord/rotor.cpp | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

(limited to 'rotord/rotor.cpp')

diff --git a/rotord/rotor.cpp b/rotord/rotor.cpp
index af0bd7e..360b75e 100644
--- a/rotord/rotor.cpp
+++ b/rotord/rotor.cpp
@@ -54,11 +54,12 @@ bool Signal_input::connect(Signal_node* source) {
 };
 
 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;
 	for (float f=0.0f;f<duration;f+=step) {
-		float u=get_output(f);
+		float u=get_output(Time_spec(f,framerate));
 		if (!fequal(u,v)) {
 			xml_out+=("<signal time='"+ofToString(f)+"'>"+ofToString(u)+"</signal>\n");
 			v=u;
@@ -68,18 +69,18 @@ bool Signal_output::render(const float duration, const float framerate,string &x
 }
 
 Command_response Render_context::session_command(const std::vector<std::string>& command){
-											//method,id,command1,{command2,}{body}
-											//here we allow the controlling server to communicate with running tasks
+													//method,id,command1,{command2,}{body}
+													//here we allow the controlling server to communicate with running tasks
 	Command_response response;
 	response.status=HTTPResponse::HTTP_BAD_REQUEST;
 	if (command[2]=="audio") {
-	    if (command[0]=="PUT") {                                    	//get audio file location and initiate analysis
+	    if (command[0]=="PUT") {          			//get audio file location and initiate analysis
 		if (command.size()>2) {
 		    if (state==IDLE) {
-												//check file exists
+													//check file exists
 			Poco::File f=Poco::File(command[3]);
 			if (f.exists()) {
-												//pass to worker thread ??if engine is ready?? ??what if engine has finished but results aren't read??
+													//pass to worker thread ??if engine is ready?? ??what if engine has finished but results aren't read??
 			    audio_filename=command[3]; 			//for now, store session variables in memory
 			    add_queue(ANALYSE_AUDIO);
 			    response.description="<status context='"+command[1]+"'>Starting audio analysis: "+command[3]+"</status>\n";
@@ -133,10 +134,10 @@ Command_response Render_context::session_command(const std::vector<std::string>&
 				response.description="<status>Rotor: graph not loaded</status>\n";
 			}
 		}
-		if (command[0]=="PUT") {                                    	//get new graph from file
+		if (command[0]=="PUT") {     				//get new graph from file
 			if (command.size()>2) {
-												//should interrupt whatever is happening?
-												//before begining to load from xml
+													//should interrupt whatever is happening?
+													//before begining to load from xml
 				if (state==IDLE) {					//eventually not like this
 					Poco::File f=Poco::File(command[3]);
 					if (f.exists()) {
@@ -173,7 +174,7 @@ Command_response Render_context::session_command(const std::vector<std::string>&
 		if (command[0]=="GET") {                                    	//generate xml from 1st signal output
 			if (state==IDLE) {
 				//direct call for testing
-					float framerate=0.0f;
+					float framerate=25.0f;
 					if (command.size()>2) {
 						framerate=ofToFloat(command[3]);
 					}
@@ -324,6 +325,7 @@ bool Render_context::load_audio(const string &filename,vector<Base_audio_process
 
 	av_dump_format(formatContext, 0, 0, false); //avformat.h line 1256
 	int samples = ((formatContext->duration + 5000)*codecContext->sample_rate)/AV_TIME_BASE;
+	graph.duration=((float)formatContext->duration)/AV_TIME_BASE;
 
 	std::cout << "This stream has " << codecContext->channels << " channels, a sample rate of " << codecContext->sample_rate << "Hz and "<<samples <<" samples" << std::endl;
 	std::cout << "The data is in format " <<codecContext->sample_fmt<< " (aka "<< av_get_sample_fmt_name(codecContext->sample_fmt) << ") "<<std::endl;
@@ -407,6 +409,7 @@ bool Render_context::load_audio(const string &filename,vector<Base_audio_process
 		p->cleanup();
 	}
 
+
 	av_free(frame);
 	avcodec_close(codecContext);
 	av_close_input_file(formatContext);
-- 
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