From eb6cbcd58f2f1142cab49a54283b290ecb9e0a4a Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Mon, 2 Sep 2013 15:18:40 +0100
Subject: load audio from graph

---
 rotord/src/graph.cpp | 38 ++++++++++++++++++++++----------------
 1 file changed, 22 insertions(+), 16 deletions(-)

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

diff --git a/rotord/src/graph.cpp b/rotord/src/graph.cpp
index 3d0a88b..ae9247b 100644
--- a/rotord/src/graph.cpp
+++ b/rotord/src/graph.cpp
@@ -77,7 +77,7 @@ bool Graph::preview(xmlIO &XML,string &node,string &_format,int frame,int w,int
 	return false;
 }
 
-bool Graph::video_render(const string &output_filename,const string &audio_filename,const float framerate,float& progress) {
+bool Graph::video_render(const string &output_filename,const float framerate,float& progress) {
 	vector<Node*> loaders=find_nodes("video_loader");
 	for (auto i:loaders){
 		if (!dynamic_cast<Video_loader*>(i)->isLoaded) {
@@ -109,28 +109,34 @@ bool Graph::load(string data,string media_path){
 	if (xml.loadFromBuffer(data)){
 		return parseXml(media_path);
 	}
-	//cerr<<"Rotor: failed to load graph from string"<<endl;
+	return parseJson(data,media_path);
 	return false;
 }
 bool Graph::loadFile(string &filename,string media_path){
 	//if (loaded) 
 	printf("loading graph: %s\n",(filename).c_str());
-	
-
+	if (xml.loadFile(filename)){
+		return parseXml(media_path);
+	}
 	Poco::FileInputStream fis(filename);
 	Poco::CountingInputStream countingIstr(fis);
 	std::string str;
 	Poco::StreamCopier::copyToString(countingIstr, str);
-	//msg.Message(Poco::format("  Write/Read check : %s", std::string(0 == str.compare(ostrBackup.str()) ? "OK":"NG")));
-	//msg.Message(Poco::format("  Characters       : %d", countingIstr.chars()));
-	//msg.Message(Poco::format("  Lines            : %d", countingIstr.lines()));
-	//cerr<<countingIstr.chars()<<" chars, "<<countingIstr.lines()<<endl;
-	//cerr<<str.size()<<" json chars found"<<endl;
-	if (xml.loadFile(filename)){
-		return parseXml(media_path);
-	}
 	return parseJson(str,media_path);
 }
+bool Graph::check_audio(string audio,string path){
+	if (audio!="")	{
+		Poco::File f=Poco::File(path+audio);
+		if (f.exists()) {
+			audio_filename=path+audio;
+			audio_loaded=true;
+			cerr<<"Rotor: loading "<<path+audio<<" from graph"<<endl;
+			return true;
+		}
+		cerr<<"Rotor: audio file "<<path+audio<<" not found"<<endl;
+	}
+	return false;
+}
 bool Graph::parseJson(string &data,string &media_path){
 	//cerr<<data<<endl;
 	//cerr<<"Trying to load JSON"<<endl;
@@ -145,9 +151,8 @@ bool Graph::parseJson(string &data,string &media_path){
 	    return false;
 	}
 	//we know the json validates so clear the existing graph
-	if (loaded) nodes.clear();
-	string audiotrack=root["audio"].asString();
-	if (audiotrack!="")	cerr<<"audio track :"<<endl; //need to deal with
+	nodes.clear();
+	check_audio(root["audio"].asString(),media_path);
 	init(root["ID"].asString(),root["description"].asString());
 	Json::Value jnodes = root["nodes"];
 	for ( int i = 0; i < jnodes.size(); ++i ) {
@@ -254,7 +259,8 @@ bool Graph::parseJson(string &data,string &media_path){
 	return true;
 }
 bool Graph::parseXml(string media_path){
-	if (loaded) nodes.clear();
+	nodes.clear();
+	check_audio(xml.getAttribute("patchbay","audio","",0),media_path);
 	init(xml.getAttribute("patchbay","ID","",0),xml.getValue("patchbay","",0));
 		if(xml.pushTag("patchbay")) {
 			int n1=xml.getNumTags("node");
-- 
cgit v1.2.3