From 3ca766e0a5a9472000d463ce9edbb6c5abcc8565 Mon Sep 17 00:00:00 2001
From: Comment <tim@gray.(none)>
Date: Thu, 22 Aug 2013 09:51:50 +0100
Subject: working on json loader

---
 rotord/bin/examplegraph.json | 102 +++++++++++++++++++++++++++++++++++++++++++
 rotord/src/graph.cpp         |  29 +++++++++---
 rotord/src/rotor.h           |   2 +
 3 files changed, 128 insertions(+), 5 deletions(-)
 create mode 100644 rotord/bin/examplegraph.json

(limited to 'rotord')

diff --git a/rotord/bin/examplegraph.json b/rotord/bin/examplegraph.json
new file mode 100644
index 0000000..596fcdc
--- /dev/null
+++ b/rotord/bin/examplegraph.json
@@ -0,0 +1,102 @@
+ {
+        title: "Lights Down @Rotor",
+        audio: "filename",
+        id:,
+        type: 'patchBay',
+        nodeDefinitions: [
+                {
+                    title: 'Video Loader',
+                    type: 'video_loader',
+                    inputs: 'fixed',
+                    output: 'image',
+                    description: 'loads a video file',
+                    attributes: [
+                        {
+                            type: 'string',
+                            title: 'Filename'
+                        },
+                        {
+                            title: 'Mode',
+                            name: 'mode',
+                            type: 'enum',
+                            value: 'still',
+                            options: ['still', 'blend'],
+                            description: 'video playback speed'
+                        }  
+                    ],
+                    parameters: [
+                        {
+                            title: 'Frame Rate',
+                            name: 'framerate',
+                            type: 'number',
+                            value: '0',
+                            min: '0',
+                            max: '10',
+                            description: 'frame rate override'
+                        },
+                        {
+                            title: 'Speed',
+                            name: 'speed',
+                            type: 'number',
+                            value: '1',
+                            min: '0',
+                            max: '10',
+                            description: 'video playback speed'
+                        }                                          
+                    ],
+                    metadata: {
+                        imageUrl: 'images/loader.svg',
+                    },
+                },
+
+                {
+                    title: 'Video Cycler',
+                    type: 'video_cycler',
+                    description: 'Cycles through video inputs according to selector signal',
+                    inputs: 'duplicatable',
+                    image_input: [
+                        {
+                            description: 'Input 1'
+                        }
+                    ],
+                    signal_input: [
+                        {
+                            description: 'selector'
+                        }
+                    ],
+                    metadata: {
+                        imageUrl: 'images/cycler.svg'
+                    }
+                },
+                {
+                    title: 'Audio Analysis',
+                    type: 'audio_analysis',
+                    inputs: 'fixed',
+                    description: 'analyse audio and output',
+                    output: 'signal',
+                    attributes: [
+                        {
+                            title: 'Analyser Plugin',
+                            name: 'analyser',
+                            type: 'enum',
+                            value: 'barbeattracker',
+                            options: ['barbeattracker', 'segmenter'],
+                        }
+                    ],
+                    parameters: [
+                        {
+                            title: 'Output Number',
+                            name: 'outputNo',
+                            type: 'number',
+                            value: '0',
+                            min: '0',
+                            max: '10',
+                            description: 'plugin output to use'
+                        }
+                    ],
+                    metadata: {
+                        imageUrl: 'images/audio.svg'
+                    }
+                },
+        ]
+    }
\ No newline at end of file
diff --git a/rotord/src/graph.cpp b/rotord/src/graph.cpp
index 026325f..b799a59 100644
--- a/rotord/src/graph.cpp
+++ b/rotord/src/graph.cpp
@@ -66,12 +66,31 @@ bool Graph::load(string data,string 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);
+	//if (loaded) 
+	printf("loading graph: %s\n",(filename).c_str());
+	
+	//if(xml.loadFile(filename) ){
+	//	return parseXml(media_path);
+	//}
+	Poco::FileInputStream fis(filename);
+	std::string read;
+	cerr<<fis;
+	cerr<<read.size()<<" json chars found"<<endl;
+	return false;
+}
+bool Graph::parseJson(string &data,string &media_path){
+	Json::Value root;   // will contains the root value after parsing.
+	Json::Reader reader;
+	bool parsingSuccessful = reader.parse( data, root );
+	if ( !parsingSuccessful )
+	{
+	    // report to the user the failure and their locations in the document.
+	    std::cout  << "Failed to parse configuration\n"
+	               << reader.getFormattedErrorMessages();
+	    return false;
 	}
-	else return false;
+	cerr<<root["audio"]<<endl;
+	return true;
 }
 bool Graph::parseXml(string media_path){
 	if (loaded) nodes.clear();
diff --git a/rotord/src/rotor.h b/rotord/src/rotor.h
index 9427d83..cd4edb0 100755
--- a/rotord/src/rotor.h
+++ b/rotord/src/rotor.h
@@ -16,6 +16,7 @@
 #include "Poco/Logger.h"
 #include "Poco/Path.h"
 #include "Poco/Base64Encoder.h"
+#include "Poco/FileStream.h"
 
 #include "xmlIO.h"
 #include "utils.h"
@@ -1050,6 +1051,7 @@ namespace Rotor {
 			bool load(string data,string media_path);
 			bool loadFile(string &filename,string media_path);
 			bool parseXml(string media_path);
+			bool parseJson(string &data,string &media_path);
 			bool set_resolution(int w,int h);
 			bool loaded;
 			float duration;
-- 
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