/*
 * CINELERRA
 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef PACKAGEDISPATCHER_H
#define PACKAGEDISPATCHER_H


#include "arraylist.h"
#include "assets.inc"
#include "edl.inc"
#include "mutex.inc"
#include "mwindow.inc"
#include "packagerenderer.inc"
#include "preferences.inc"
#include "packagingengine.h"



// Allocates fragments given a total start and total end.
// Checks the existence of every file.
// Adjusts package size for load.
class PackageDispatcher
{
public:
	PackageDispatcher();
	~PackageDispatcher();

	int create_packages(MWindow *mwindow,
		EDL *edl,
		Preferences *preferences,
		int strategy,
		Asset *default_asset,
		double total_start,
		double total_end,
		int test_overwrite);
// Supply a frame rate of the calling node.  If the client number is -1
// the frame rate isn't added to the preferences table.
	RenderPackage* get_package(double frames_per_second,
		int client_number,
		int use_local_rate);
// Return a new asset list of what was rendered.  You must delete the return
// value with Garbage::remove_user for each member of the list & delete for
// the list.
	ArrayList<Indexable*>* get_asset_list();
	void get_package_paths(ArrayList<char*> *path_list);

	RenderPackage* get_package(int number);
	int get_total_packages();
	int64_t get_progress_max();
	int packages_are_done();

private:
	EDL *edl;
	int64_t audio_position;
	int64_t video_position;
	int64_t audio_end;
	int64_t video_end;
	double total_start;
	double total_end;
	double total_len;
	int strategy;
	Asset *default_asset;
	Preferences *preferences;
	int current_number;    // The number being injected into the filename.
	int number_start;      // Character in the filename path at which the number begins
	int total_digits;      // Total number of digits including padding the user specified.
	double package_len;    // Target length of a single package
	double min_package_len; // Minimum package length after load balancing
	int64_t total_packages;   // Total packages to base calculations on
	int64_t total_allocated;  // Total packages to test the existence of
	int nodes;
	MWindow *mwindow;
	RenderPackage **packages;
	int current_package;
	Mutex *package_lock;

	PackagingEngine *packaging_engine;
};


#endif