
/*
 * 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 VRENDER_H
#define VRENDER_H

#include "commonrender.h"
#include "edit.inc"
#include "guicast.h"
#include "mwindow.inc"
#include "overlayframe.inc"
#include "renderengine.inc"
#include "vframe.inc"


class VRender : public CommonRender
{
public:
	VRender(RenderEngine *renderengine);
	~VRender();

	VirtualConsole* new_vconsole_object();
	int get_total_tracks();
	Module* new_module(Track *track);

// set up and start thread
	int arm_playback(int64_t current_position,
				int64_t input_length,
				int64_t module_render_fragment,
				int64_t playback_buffer,
				int track_w,
				int track_h,
				int output_w,
				int output_h);

	void run();
	void wait_for_startup();

	int start_playback();     // start the thread


// process frames to put in buffer_out
// use_opengl - used by nested render engines
	int process_buffer(VFrame *video_out,
		int64_t input_position,
		int use_opengl);
// load an array of buffers for each track to send to the thread
	int process_buffer(int64_t input_position,
		int use_opengl);
// Flash the output on the display
	int flash_output();
// Determine if data can be copied directly from the file to the output device.
	void get_render_strategy(Edit* &playable_edit,
		int &colormodel,
		int &use_vconsole,
		int64_t position);


	int get_use_vconsole(VEdit **playable_edit,
		int64_t position,
		int &use_brender);
	int get_colormodel(VEdit *playable_edit,
		int use_vconsole,
		int use_brender);
	int insert_timecode(Edit *playable_edit,
		int64_t position,
		VFrame *output);

	int64_t tounits(double position, int round);
	double fromunits(int64_t position);

// frames since start of playback
	int64_t session_frame;

// console dimensions
	int track_w, track_h;
// video device dimensions
	int output_w, output_h;
// frames to send to console fragment
	int64_t vmodule_render_fragment;
// frames to send to video device (1)
	int64_t playback_buffer;
// Output frame
	VFrame *video_out;
// Byte offset of video_out
	int64_t output_offset;

// Temp frame for VModule loading
	VFrame *input_temp;
// Temp frame for VModule transitions
	VFrame *transition_temp;
// Engine for camera and projector automation
	OverlayFrame *overlayer;



// Total number of frames to render for transitions
	int64_t source_length;

// Flag first frame to unlock audio
	int first_frame;

private:
	void init_device_buffers();
	Timer timer;

// for getting actual framerate
	int64_t framerate_counter;
	Timer framerate_timer;
	int render_strategy;
};




#endif
