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#ifndef RENDERCONTEXT_H
#define RENDERCONTEXT_H
#include "Poco/Task.h"
#include "Poco/StringTokenizer.h"
#include "rotor.h"
#include "graph.h"
/*------------------------
Render context packages the management of a rotor graph as a web service
-------------------------*/
namespace Rotor {
#define IDLE 0
#define ANALYSING_AUDIO 1
#define AUDIO_READY 2
#define CREATING_PREVIEW 3
#define PREVIEW_READY 4
#define RENDERING 5
#define RENDER_READY 6
#define FAILED 7
#define NOT_FOUND 8
#define CANCELLED 9
#define LOADING_GRAPH 10
#define ANALYSE_AUDIO 1
#define PREVIEW 2
#define RENDER 3
class Session_command {
public:
Session_command(){body="";};
string uid,method,id,body;
vector<string> commands;
};
class Session_task {
public:
Session_task():uid(""),task(0){};
Session_task(const string &_uid,int _task):uid(_uid),task(_task) {};
string uid;
int task;
};
class Render_status {
public:
Render_status():status(0),progress(0.0f){};
Render_status(int _status):status(_status),progress(0.0f){};
int status;
float progress;
};
class Render_context: public Poco::Task { //Poco task object
//manages a 'patchbay'
//high level interfaces for the wizard
//and low level interface onto the graph
public:
Render_context(const std::string& name): Task(name) {
audio_thumb=new Audio_thumbnailer();
state=IDLE;
output_framerate=25.0f;
xmlIO xml;
if(xml.loadFile("settings.xml") ){
graph_dir=xml.getAttribute("Rotor","graph_dir","",0);
media_dir=xml.getAttribute("Rotor","media_dir","",0);
output_dir=xml.getAttribute("Rotor","output_dir","",0);
}
else cerr<<"Rotor: settings.xml not found, using defaults"<<endl;
};
~Render_context(){delete audio_thumb;};
void runTask();
void add_queue(Session_task item);
void session_command(const Session_command& command,xmlIO& XML,Poco::Net::HTTPResponse::HTTPStatus& status);
void cancel(){
graph.clear();
} //interrupt locking process
Render_status get_render_status(const string &uid){
//cerr<<"render status requested: "<<uid<<" status: "<<renders[uid].status<<endl;
if (renders.find(uid)!=renders.end()){
if (renders[uid].status==RENDERING){
renders[uid].progress=graph.progress;
}
return renders[uid];
}
else return Render_status(NOT_FOUND);
};
private:
int state;
//thread only does one thing at once
std::deque<Session_task> work_queue;
std::unordered_map<string,Render_status> renders;
Poco::Mutex mutex; //lock for access from parent thread
std::string output_filename;
std::string graph_dir;
std::string media_dir;
std::string output_dir;
Audio_thumbnailer *audio_thumb;
Graph graph;
float output_framerate;
};
}
#endif
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