/*
 * 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
 *
 */

#include "asset.h"
#include "assets.h"
#include "autoconf.h"
#include "awindowgui.h"
#include "bccmodels.h"
#include "bchash.h"
#include "clip.h"
#include "edl.h"
#include "edlsession.h"
#include "filexml.h"
#include "interlacemodes.h"
#include "overlayframe.inc"
#include "playbackconfig.h"
#include "recordconfig.h"
#include "tracks.h"
#include "workarounds.h"

int EDLSession::current_id = 0;

EDLSession::EDLSession(EDL *edl)
{
	this->edl = edl;
	for(int i = 0; i < MAXCHANNELS; i++)
		achannel_positions[i] = 0;
	assetlist_format = ASSETS_ICONS;
	for(int i = 0; i < ASSET_COLUMNS; i++)
		asset_columns[i] = 100;
	auto_conf = new AutoConf;
	awindow_folder = AW_MEDIA_FOLDER;
	aspect_w = 4;  aspect_h = 3;
	audio_channels = 2;
	audio_tracks = 2;
	autos_follow_edits = 1; // this is needed for predictability
	auto_keyframes = 0;
	brender_start = brender_end = 0.0;
	clipboard_length = 0; // unused
	color_model = BC_RGBA8888;
	interlace_mode = ILACE_MODE_UNDETECTED;
	crop_x1 = 0; crop_x2 = 320;
	crop_y1 = 0; crop_y2 = 240;
	eyedrop_radius = 0;
	ruler_x1 = ruler_y1 = 0.0;
	ruler_x2 = ruler_y2 = 0.0;
	cursor_on_frames = 1;
	typeless_keyframes = 0;
	cwindow_dest = 0;
	cwindow_mask = 0;
	cwindow_meter = 0;
	cwindow_operation = 0;
	cwindow_scrollbars = 0;
	cwindow_xscroll = cwindow_yscroll = 0;
	cwindow_zoom = 1.0;
	cwindow_click2play = 0;
	strcpy(default_atransition, INIT_ATRANSITION);
	strcpy(default_vtransition, INIT_VTRANSITION);
	default_transition_length = 1.0;
	edit_handle_mode[0] = MOVE_ALL_EDITS;
	edit_handle_mode[1] = MOVE_ONE_EDIT;
	edit_handle_mode[2] = MOVE_NO_EDITS;
	editing_mode = EDITING_IBEAM;
	enable_duplex = 1;
	folderlist_format = FOLDERS_ICONS;
	frame_rate = 30000./1001;
	frames_per_foot = 16;
	highlighted_track = 0;
	interpolation_type = CUBIC_CUBIC;
	interpolate_raw = 1;
	white_balance_raw = 1;
	labels_follow_edits = 1;
	plugins_follow_edits = 1;
	single_standalone = 1;
	meter_format = METER_DB;
	min_meter_db = -85;
	max_meter_db = 6;
	output_w = 720;
	output_h = 480;
	playback_buffer = 4096;
	playback_cursor_visible = 0;
	playback_preload = 0;
	proxy_scale = 1;
	proxy_disabled_scale = 1;
	proxy_use_scaler = 0;
	proxy_auto_scale = 1;
	proxy_beep = 0;
	render_beep = 0;
	decode_subtitles = 0;
	subtitle_number = 0;
	label_cells = 0;
	program_no = 0;
	playback_software_position = 0;
//	playback_strategy
	real_time_playback = 0;
	real_time_record = 0;
	record_positioning = 1;
	record_raw_stream = 0;
	record_sync_drives = 0;
	record_speed = frame_rate;
	record_fragment_size = 2048;
	record_write_length = 131072;
	record_realtime_toc = 1;

	safe_regions = 0;
	sample_rate = 48000;
	scrub_speed = 2.;
	show_assets = 1;
	show_titles = 1;
	si_useduration = 1;
	si_duration = 3;
	test_playback_edits = 1;
	time_format = TIME_HMSF;
	nudge_format = 1;
	tool_window = 0;
	for(int i = 0; i < MAXCHANNELS; i++) {
		vchannel_x[i] = 64*i;
		vchannel_y[i] = 0;
	}
	video_channels = 1;
	aconfig_in = new AudioInConfig;
	vconfig_in = new VideoInConfig;
	recording_format = new Asset;
	video_every_frame = 0;
//	video_asynchronous = 0;
	video_tracks = 1;
	video_write_length = 30;
	view_follows_playback = 1;
	vwindow_meter = 0;
	vwindow_zoom = 1.;
	vwindow_click2play = 0;

	playback_config = new PlaybackConfig;
}

EDLSession::~EDLSession()
{
	delete aconfig_in;
	delete auto_conf;
	delete vconfig_in;
	delete playback_config;
	recording_format->Garbage::remove_user();
}


int EDLSession::need_rerender(EDLSession *ptr)
{
	return ((playback_preload != ptr->playback_preload) ||
		(interpolation_type != ptr->interpolation_type) ||
		(video_every_frame != ptr->video_every_frame) ||
//		(video_asynchronous != ptr->video_asynchronous) ||
		(real_time_playback != ptr->real_time_playback) ||
		(playback_software_position != ptr->playback_software_position) ||
		(test_playback_edits != ptr->test_playback_edits) ||
		(playback_buffer != ptr->playback_buffer) ||
		(decode_subtitles != ptr->decode_subtitles) ||
		(subtitle_number != ptr->subtitle_number) ||
		(interpolate_raw != ptr->interpolate_raw) ||
		(white_balance_raw != ptr->white_balance_raw) ||
		(proxy_disabled_scale != ptr->proxy_disabled_scale) ||
		(proxy_scale != ptr->proxy_scale) ||
	    	(proxy_use_scaler != ptr->proxy_use_scaler));
}

void EDLSession::equivalent_output(EDLSession *session, double *result)
{
	if( session->output_w != output_w ||
	    session->output_h != output_h ||
	    !EQUIV(session->frame_rate, frame_rate) ||
	    session->color_model != color_model ||
	    session->interpolation_type != interpolation_type ||
	    session->interpolate_raw != interpolate_raw ||
	    session->white_balance_raw != white_balance_raw ||
	    session->decode_subtitles != decode_subtitles ||
	    session->subtitle_number != subtitle_number ||
	    session->proxy_disabled_scale != proxy_disabled_scale ||
	    session->proxy_scale != proxy_scale ||
	    session->proxy_use_scaler != proxy_use_scaler )
		*result = 0;

// If it's before the current brender_start, render extra data.
// If it's after brender_start, check brender map.
	if(brender_start != session->brender_start &&
		(*result < 0 || *result > brender_start))
		*result = brender_start;
}

int EDLSession::load_defaults(BC_Hash *defaults)
{
	char string[BCTEXTLEN];
	audio_channels = defaults->get("ACHANNELS", audio_channels);
	audio_tracks = defaults->get("ATRACKS", audio_tracks);
// Default channel positions
	for( int i=0; i<MAXCHANNELS; ++i ) {
		sprintf(string, "ACHANNEL_ANGLE_%d", i);
		achannel_positions[i] = defaults->get(string,
			default_audio_channel_position(i, audio_channels));
	}
	aconfig_in->load_defaults(defaults);
	assetlist_format = defaults->get("ASSETLIST_FORMAT", ASSETS_ICONS);
	aspect_w = defaults->get("ASPECTW", aspect_w);
	aspect_h = defaults->get("ASPECTH", aspect_h);
	for(int i = 0; i < ASSET_COLUMNS; i++)
	{
		sprintf(string, "ASSET_COLUMN%d", i);
		asset_columns[i] = defaults->get(string, 100);
	}
	auto_conf->load_defaults(defaults);
	autos_follow_edits = defaults->get("AUTOS_FOLLOW_EDITS", 1);
	brender_start = defaults->get("BRENDER_START", brender_start);
	brender_end = defaults->get("BRENDER_END", brender_end);
	BC_CModels::to_text(string, BC_RGBA8888);
	color_model = BC_CModels::from_text(defaults->get("COLOR_MODEL", string));
	eyedrop_radius = defaults->get("EYEDROP_RADIUS", 0);
	ilacemode_to_xmltext(string, interlace_mode);
	const char *ilace_mode = defaults->get("INTERLACE_MODE",string);
	interlace_mode = ilacemode_from_xmltext(ilace_mode, ILACE_MODE_NOTINTERLACED);
	crop_x1 = defaults->get("CROP_X1", 0);
	crop_x2 = defaults->get("CROP_X2", 320);
	crop_y1 = defaults->get("CROP_Y1", 0);
	crop_y2 = defaults->get("CROP_Y2", 240);
	ruler_x1 = defaults->get("RULER_X1", 0.0);
	ruler_x2 = defaults->get("RULER_X2", 0.0);
	ruler_y1 = defaults->get("RULER_Y1", 0.0);
	ruler_y2 = defaults->get("RULER_Y2", 0.0);
	awindow_folder = defaults->get("AWINDOW_FOLDER", AW_MEDIA_FOLDER);
	cursor_on_frames = defaults->get("CURSOR_ON_FRAMES", 1);
	typeless_keyframes = defaults->get("TYPELESS_KEYFRAMES", 0);
	cwindow_dest = defaults->get("CWINDOW_DEST", 0);
	cwindow_mask = defaults->get("CWINDOW_MASK", 0);
	cwindow_meter = defaults->get("CWINDOW_METER", 0);
	cwindow_operation = defaults->get("CWINDOW_OPERATION", 0);
	cwindow_scrollbars = defaults->get("CWINDOW_SCROLLBARS", 0);
	cwindow_xscroll = defaults->get("CWINDOW_XSCROLL", 0);
	cwindow_yscroll = defaults->get("CWINDOW_YSCROLL", 0);
	cwindow_zoom = defaults->get("CWINDOW_ZOOM", (float)1);
	cwindow_click2play = defaults->get("CWINDOW_CLICK2PLAY", 0);
	sprintf(default_atransition, INIT_ATRANSITION);
	defaults->get("DEFAULT_ATRANSITION", default_atransition);
	sprintf(default_vtransition, INIT_VTRANSITION);
	defaults->get("DEFAULT_VTRANSITION", default_vtransition);
	default_transition_length = defaults->get("DEFAULT_TRANSITION_LENGTH", (double)1);
	edit_handle_mode[0] = defaults->get("EDIT_HANDLE_MODE0", MOVE_ALL_EDITS);
	edit_handle_mode[1] = defaults->get("EDIT_HANDLE_MODE1", MOVE_ONE_EDIT);
	edit_handle_mode[2] = defaults->get("EDIT_HANDLE_MODE2", MOVE_NO_EDITS);
	editing_mode = defaults->get("EDITING_MODE", EDITING_IBEAM);
	enable_duplex = defaults->get("ENABLE_DUPLEX", 1);
	folderlist_format = defaults->get("FOLDERLIST_FORMAT", FOLDERS_TEXT);
	frame_rate = defaults->get("FRAMERATE", frame_rate);
	frames_per_foot = defaults->get("FRAMES_PER_FOOT", (float)16);
	interpolation_type = defaults->get("INTERPOLATION_TYPE", interpolation_type);
	interpolate_raw = defaults->get("INTERPOLATE_RAW", interpolate_raw);
	white_balance_raw = defaults->get("WHITE_BALANCE_RAW", white_balance_raw);
	labels_follow_edits = defaults->get("LABELS_FOLLOW_EDITS", 1);
	plugins_follow_edits = defaults->get("PLUGINS_FOLLOW_EDITS", 1);
	single_standalone = defaults->get("SINGLE_STANDALONE", 1);
	playback_preload = defaults->get("PLAYBACK_PRELOAD", 0);
	auto_keyframes = defaults->get("AUTO_KEYFRAMES", 0);
	meter_format = defaults->get("METER_FORMAT", METER_DB);
	min_meter_db = defaults->get("MIN_METER_DB", -85);
	max_meter_db = defaults->get("MAX_METER_DB", 6);
	output_w = defaults->get("OUTPUTW", output_w);
	output_h = defaults->get("OUTPUTH", output_h);
	playback_buffer = defaults->get("PLAYBACK_BUFFER", 4096);
	playback_software_position = defaults->get("PLAYBACK_SOFTWARE_POSITION", 0);
	delete playback_config;
	playback_config = new PlaybackConfig;
	playback_config->load_defaults(defaults);
	real_time_playback = defaults->get("PLAYBACK_REALTIME", 0);
	real_time_record = defaults->get("REALTIME_RECORD", 0);
	record_positioning = defaults->get("RECORD_POSITIONING", 1);
	record_raw_stream = defaults->get("RECORD_RAW_STREAM", 0);
	record_sync_drives = defaults->get("RECORD_SYNC_DRIVES", 0);
//	record_speed = defaults->get("RECORD_SPEED", 24);
	record_fragment_size = defaults->get("RECORD_FRAGMENT_SIZE", 2048);
	record_write_length = defaults->get("RECORD_WRITE_LENGTH", 131072);

// set some defaults that work
	recording_format->video_data = 1;
	recording_format->audio_data = 1;
	recording_format->format = FILE_FFMPEG;
	strcpy(recording_format->acodec, "mp4.qt");
	strcpy(recording_format->vcodec, "mp4.qt");
	recording_format->channels = 2;
	recording_format->sample_rate = 48000;
	recording_format->bits = 16;
	recording_format->dither = 0;

	record_realtime_toc = defaults->get("RECORD_REALTIME_TOC", 1);
	recording_format->load_defaults(defaults, "RECORD_", 1, 1, 1, 1, 1);

	safe_regions = defaults->get("SAFE_REGIONS", 0);
	sample_rate = defaults->get("SAMPLERATE", sample_rate);
	scrub_speed = defaults->get("SCRUB_SPEED", (float)2);
	si_useduration = defaults->get("SI_USEDURATION",1);
	si_duration = defaults->get("SI_DURATION",3);

	show_assets = defaults->get("SHOW_ASSETS", 1);
	show_titles = defaults->get("SHOW_TITLES", 1);
//	test_playback_edits = defaults->get("TEST_PLAYBACK_EDITS", 1);
	time_format = defaults->get("TIME_FORMAT", TIME_HMSF);
	nudge_format = defaults->get("NUDGE_FORMAT", 1);
	tool_window = defaults->get("TOOL_WINDOW", 0);
	vconfig_in->load_defaults(defaults);
	for(int i = 0; i < MAXCHANNELS; i++) {
		int default_position = i * output_w;
		sprintf(string, "VCHANNEL_X_%d", i);
		vchannel_x[i] = defaults->get(string, default_position);
		sprintf(string, "VCHANNEL_Y_%d", i);
		vchannel_y[i] = defaults->get(string, 0);
	}
	video_channels = defaults->get("VCHANNELS", video_channels);
	video_every_frame = defaults->get("VIDEO_EVERY_FRAME", 0);
//	video_asynchronous = defaults->get("VIDEO_ASYNCHRONOUS", 0);
	video_tracks = defaults->get("VTRACKS", video_tracks);
	video_write_length = defaults->get("VIDEO_WRITE_LENGTH", 30);
	view_follows_playback = defaults->get("VIEW_FOLLOWS_PLAYBACK", 1);
	vwindow_meter = defaults->get("VWINDOW_METER", 0);
	vwindow_zoom = defaults->get("VWINDOW_ZOOM", (float)1);
	vwindow_click2play = defaults->get("VWINDOW_CLICK2PLAY", 0);

	decode_subtitles = defaults->get("DECODE_SUBTITLES", decode_subtitles);
	subtitle_number = defaults->get("SUBTITLE_NUMBER", subtitle_number);
	label_cells = defaults->get("LABEL_CELLS", label_cells);
	program_no = defaults->get("PROGRAM_NO", program_no);
	proxy_beep = defaults->get("PROXY_BEEP", proxy_beep);
	render_beep = defaults->get("RENDER_BEEP", render_beep);

	boundaries();

	return 0;
}

int EDLSession::save_defaults(BC_Hash *defaults)
{
	char string[BCTEXTLEN];

// Session
	for(int i = 0; i < MAXCHANNELS; i++)
	{
		sprintf(string, "ACHANNEL_ANGLE_%d", i);
		defaults->update(string, achannel_positions[i]);
	}
	defaults->update("ACHANNELS", audio_channels);
	aconfig_in->save_defaults(defaults);
	for(int i = 0; i < ASSET_COLUMNS; i++)
	{
		sprintf(string, "ASSET_COLUMN%d", i);
		defaults->update(string, asset_columns[i]);
	}
	auto_conf->save_defaults(defaults);
	defaults->update("ASSETLIST_FORMAT", assetlist_format);
	defaults->update("ASPECTW", aspect_w);
	defaults->update("ASPECTH", aspect_h);
	defaults->update("ATRACKS", audio_tracks);
	defaults->update("AUTOS_FOLLOW_EDITS", autos_follow_edits);
	defaults->update("BRENDER_START", brender_start);
	defaults->update("BRENDER_END", brender_end);
	BC_CModels::to_text(string, color_model);
	defaults->update("COLOR_MODEL", string);
	ilacemode_to_xmltext(string, interlace_mode);
	defaults->update("INTERLACE_MODE", string);
	defaults->update("EYEDROP_RADIUS", eyedrop_radius);
	defaults->update("CROP_X1", crop_x1);
	defaults->update("CROP_X2", crop_x2);
	defaults->update("CROP_Y1", crop_y1);
	defaults->update("CROP_Y2", crop_y2);
	defaults->update("RULER_X1", ruler_x1);
	defaults->update("RULER_X2", ruler_x2);
	defaults->update("RULER_Y1", ruler_y1);
	defaults->update("RULER_Y2", ruler_y2);
	defaults->update("AWINDOW_FOLDER", awindow_folder);
	defaults->update("CURSOR_ON_FRAMES", cursor_on_frames);
	defaults->update("TYPELESS_KEYFRAMES", typeless_keyframes);
	defaults->update("CWINDOW_DEST", cwindow_dest);
	defaults->update("CWINDOW_MASK", cwindow_mask);
	defaults->update("CWINDOW_METER", cwindow_meter);
	defaults->update("CWINDOW_OPERATION", cwindow_operation);
	defaults->update("CWINDOW_SCROLLBARS", cwindow_scrollbars);
	defaults->update("CWINDOW_XSCROLL", cwindow_xscroll);
	defaults->update("CWINDOW_YSCROLL", cwindow_yscroll);
	defaults->update("CWINDOW_ZOOM", cwindow_zoom);
	defaults->update("CWINDOW_CLICK2PLAY", cwindow_click2play);
	defaults->update("DEFAULT_ATRANSITION", default_atransition);
	defaults->update("DEFAULT_VTRANSITION", default_vtransition);
	defaults->update("DEFAULT_TRANSITION_LENGTH", default_transition_length);
	defaults->update("EDIT_HANDLE_MODE0", edit_handle_mode[0]);
	defaults->update("EDIT_HANDLE_MODE1", edit_handle_mode[1]);
	defaults->update("EDIT_HANDLE_MODE2", edit_handle_mode[2]);
	defaults->update("EDITING_MODE", editing_mode);
	defaults->update("ENABLE_DUPLEX", enable_duplex);
	defaults->update("FOLDERLIST_FORMAT", folderlist_format);
	defaults->update("FRAMERATE", frame_rate);
	defaults->update("FRAMES_PER_FOOT", frames_per_foot);
	defaults->update("HIGHLIGHTED_TRACK", highlighted_track);
	defaults->update("INTERPOLATION_TYPE", interpolation_type);
	defaults->update("INTERPOLATE_RAW", interpolate_raw);
	defaults->update("WHITE_BALANCE_RAW", white_balance_raw);
	defaults->update("LABELS_FOLLOW_EDITS", labels_follow_edits);
	defaults->update("PLUGINS_FOLLOW_EDITS", plugins_follow_edits);
	defaults->update("SINGLE_STANDALONE", single_standalone);
	defaults->update("PLAYBACK_PRELOAD", playback_preload);
	defaults->update("AUTO_KEYFRAMES", auto_keyframes);
	defaults->update("METER_FORMAT", meter_format);
	defaults->update("MIN_METER_DB", min_meter_db);
	defaults->update("MAX_METER_DB", max_meter_db);
	defaults->update("OUTPUTW", output_w);
	defaults->update("OUTPUTH", output_h);
	defaults->update("PLAYBACK_BUFFER", playback_buffer);
	defaults->update("PLAYBACK_SOFTWARE_POSITION", playback_software_position);
	playback_config->save_defaults(defaults);
	defaults->update("PLAYBACK_REALTIME", real_time_playback);
	defaults->update("REALTIME_RECORD", real_time_record);
	defaults->update("RECORD_POSITIONING", record_positioning);
	defaults->update("RECORD_RAW_STREAM", record_raw_stream);
	defaults->update("RECORD_SYNC_DRIVES", record_sync_drives);
//	defaults->update("RECORD_SPEED", record_speed);
	defaults->update("RECORD_FRAGMENT_SIZE", record_fragment_size);
	defaults->update("RECORD_WRITE_LENGTH", record_write_length); // Heroine kernel 2.2 scheduling sucks.
	defaults->update("RECORD_REALTIME_TOC", record_realtime_toc);
	recording_format->save_defaults(defaults,
		"RECORD_",
		1,
		1,
		1,
		1,
		1);
	defaults->update("SAFE_REGIONS", safe_regions);
	defaults->update("SAMPLERATE", sample_rate);
	defaults->update("SCRUB_SPEED", scrub_speed);
	defaults->update("SI_USEDURATION",si_useduration);
	defaults->update("SI_DURATION",si_duration);
	defaults->update("SHOW_ASSETS", show_assets);
	defaults->update("SHOW_TITLES", show_titles);
//	defaults->update("TEST_PLAYBACK_EDITS", test_playback_edits);
	defaults->update("TIME_FORMAT", time_format);
	defaults->update("NUDGE_FORMAT", nudge_format);
	defaults->update("TOOL_WINDOW", tool_window);
	vconfig_in->save_defaults(defaults);
	for(int i = 0; i < MAXCHANNELS; i++) {
		sprintf(string, "VCHANNEL_X_%d", i);
		defaults->update(string, vchannel_x[i]);
		sprintf(string, "VCHANNEL_Y_%d", i);
		defaults->update(string, vchannel_y[i]);
	}
	defaults->update("VCHANNELS", video_channels);
	defaults->update("VIDEO_EVERY_FRAME", video_every_frame);
//	defaults->update("VIDEO_ASYNCHRONOUS", video_asynchronous);
	defaults->update("VTRACKS", video_tracks);
	defaults->update("VIDEO_WRITE_LENGTH", video_write_length);
	defaults->update("VIEW_FOLLOWS_PLAYBACK", view_follows_playback);
	defaults->update("VWINDOW_METER", vwindow_meter);
	defaults->update("VWINDOW_ZOOM", vwindow_zoom);
	defaults->update("VWINDOW_CLICK2PLAY", vwindow_click2play);

	defaults->update("DECODE_SUBTITLES", decode_subtitles);
	defaults->update("SUBTITLE_NUMBER", subtitle_number);
	defaults->update("LABEL_CELLS", label_cells);
	defaults->update("PROGRAM_NO", program_no);
	defaults->update("PROXY_BEEP", proxy_beep);
	defaults->update("RENDER_BEEP", render_beep);
	return 0;
}



// GCC 3.0 fails to compile
#define BC_INFINITY 65536


void EDLSession::boundaries()
{
	Workarounds::clamp(audio_tracks, 0, (int)BC_INFINITY);
	Workarounds::clamp(audio_channels, 1, MAXCHANNELS - 1);
	Workarounds::clamp(sample_rate, 1, 1000000);
	Workarounds::clamp(video_tracks, 0, (int)BC_INFINITY);
	Workarounds::clamp(video_channels, 1, MAXCHANNELS - 1);
	Workarounds::clamp(frame_rate, 1.0, (double)BC_INFINITY);
	Workarounds::clamp(min_meter_db, -80, -20);
	Workarounds::clamp(max_meter_db, 0, 10);
	Workarounds::clamp(frames_per_foot, 1, 32);
	Workarounds::clamp(proxy_scale, 1, 32);
	Workarounds::clamp(output_w, 16, (int)BC_INFINITY);
	Workarounds::clamp(output_h, 16, (int)BC_INFINITY);
	Workarounds::clamp(video_write_length, 1, 1000);
//printf("EDLSession::boundaries 1\n");
	output_w /= 2;
	output_w *= 2;
	output_h /= 2;
	output_h *= 2;

	Workarounds::clamp(eyedrop_radius, 0, 255);
	Workarounds::clamp(crop_x1, 0, output_w);
	Workarounds::clamp(crop_x2, 0, output_w);
	Workarounds::clamp(crop_y1, 0, output_h);
	Workarounds::clamp(crop_y2, 0, output_h);
	Workarounds::clamp(ruler_x1, 0.0, output_w);
	Workarounds::clamp(ruler_x2, 0.0, output_w);
	Workarounds::clamp(ruler_y1, 0.0, output_h);
	Workarounds::clamp(ruler_y2, 0.0, output_h);
	if(brender_start < 0) brender_start = 0.0;
	if(brender_end < 0) brender_end = 0.0;

	Workarounds::clamp(subtitle_number, 0, 31);
	Workarounds::clamp(awindow_folder, 0, AWINDOW_FOLDERS - 1);

// Correct framerates
	frame_rate = Units::fix_framerate(frame_rate);
}



int EDLSession::load_video_config(FileXML *file, int append_mode, uint32_t load_flags)
{
	char string[BCTEXTLEN];
	if(append_mode) return 0;
	interpolation_type = file->tag.get_property("INTERPOLATION_TYPE", interpolation_type);
	interpolate_raw = file->tag.get_property("INTERPOLATE_RAW", interpolate_raw);
	white_balance_raw = file->tag.get_property("WHITE_BALANCE_RAW", white_balance_raw);
	BC_CModels::to_text(string, color_model);
	color_model = BC_CModels::from_text(file->tag.get_property("COLORMODEL", string));
	const char *ilace_mode = file->tag.get_property("INTERLACE_MODE");
	interlace_mode = ilacemode_from_xmltext(ilace_mode, ILACE_MODE_NOTINTERLACED);
	video_channels = file->tag.get_property("CHANNELS", video_channels);
	for(int i = 0; i < video_channels; i++)
	{
		int default_position = i * output_w;
		sprintf(string, "VCHANNEL_X_%d", i);
		vchannel_x[i] = file->tag.get_property(string, default_position);
		sprintf(string, "VCHANNEL_Y_%d", i);
		vchannel_y[i] = file->tag.get_property(string, 0);
	}

	frame_rate = file->tag.get_property("FRAMERATE", frame_rate);
	frames_per_foot = file->tag.get_property("FRAMES_PER_FOOT", frames_per_foot);
	output_w = file->tag.get_property("OUTPUTW", output_w);
	output_h = file->tag.get_property("OUTPUTH", output_h);
	aspect_w = file->tag.get_property("ASPECTW", aspect_w);
	aspect_h = file->tag.get_property("ASPECTH", aspect_h);
	proxy_scale = file->tag.get_property("PROXY_SCALE", proxy_scale);
	proxy_disabled_scale = file->tag.get_property("PROXY_DISABLED_SCALE", proxy_disabled_scale);
	proxy_use_scaler = file->tag.get_property("PROXY_USE_SCALER", proxy_use_scaler);
	proxy_auto_scale = file->tag.get_property("PROXY_AUTO_SCALE", proxy_auto_scale);
	return 0;
}

int EDLSession::load_audio_config(FileXML *file, int append_mode, uint32_t load_flags)
{
	char string[32];
// load channels setting
	if(append_mode) return 0;
	audio_channels = file->tag.get_property("CHANNELS", (int64_t)audio_channels);
	for(int i = 0; i < audio_channels; i++)
	{
		sprintf(string, "ACHANNEL_ANGLE_%d", i);
		achannel_positions[i] = file->tag.get_property(string, achannel_positions[i]);
//printf("EDLSession::load_audio_config 1 %d %d\n", i, achannel_positions[i]);
	}

	sample_rate = file->tag.get_property("SAMPLERATE", (int64_t)sample_rate);
	return 0;
}

int EDLSession::load_xml(FileXML *file,
	int append_mode,
	uint32_t load_flags)
{
	char string[BCTEXTLEN];

	if(append_mode)
	{
	}
	else
	{
		assetlist_format = file->tag.get_property("ASSETLIST_FORMAT", assetlist_format);
		for(int i = 0; i < ASSET_COLUMNS; i++) {
			sprintf(string, "ASSET_COLUMN%d", i);
			asset_columns[i] = file->tag.get_property(string, asset_columns[i]);
		}
		auto_conf->load_xml(file);
		auto_keyframes = file->tag.get_property("AUTO_KEYFRAMES", auto_keyframes);
		autos_follow_edits = file->tag.get_property("AUTOS_FOLLOW_EDITS", autos_follow_edits);
		brender_start = file->tag.get_property("BRENDER_START", brender_start);
		brender_end = file->tag.get_property("BRENDER_END", brender_end);
		eyedrop_radius = file->tag.get_property("EYEDROP_RADIUS", eyedrop_radius);
		crop_x1 = file->tag.get_property("CROP_X1", crop_x1);
		crop_y1 = file->tag.get_property("CROP_Y1", crop_y1);
		crop_x2 = file->tag.get_property("CROP_X2", crop_x2);
		crop_y2 = file->tag.get_property("CROP_Y2", crop_y2);
		ruler_x1 = file->tag.get_property("RULER_X1", ruler_x1);
		ruler_y1 = file->tag.get_property("RULER_Y1", ruler_y1);
		ruler_x2 = file->tag.get_property("RULER_X2", ruler_x2);
		ruler_y2 = file->tag.get_property("RULER_Y2", ruler_y2);
		awindow_folder = file->tag.get_property("AWINDOW_FOLDER", AW_MEDIA_FOLDER);
		cursor_on_frames = file->tag.get_property("CURSOR_ON_FRAMES", cursor_on_frames);
		typeless_keyframes = file->tag.get_property("TYPELESS_KEYFRAMES", typeless_keyframes);
		cwindow_dest = file->tag.get_property("CWINDOW_DEST", cwindow_dest);
		cwindow_mask = file->tag.get_property("CWINDOW_MASK", cwindow_mask);
		cwindow_meter = file->tag.get_property("CWINDOW_METER", cwindow_meter);
		cwindow_operation = file->tag.get_property("CWINDOW_OPERATION", cwindow_operation);
		cwindow_scrollbars = file->tag.get_property("CWINDOW_SCROLLBARS", cwindow_scrollbars);
		cwindow_xscroll = file->tag.get_property("CWINDOW_XSCROLL", cwindow_xscroll);
		cwindow_yscroll = file->tag.get_property("CWINDOW_YSCROLL", cwindow_yscroll);
		cwindow_zoom = file->tag.get_property("CWINDOW_ZOOM", cwindow_zoom);
		cwindow_click2play = file->tag.get_property("CWINDOW_CLICK2PLAY", cwindow_click2play);
		editing_mode = file->tag.get_property("EDITING_MODE", editing_mode);
		folderlist_format = file->tag.get_property("FOLDERLIST_FORMAT", folderlist_format);
		highlighted_track = file->tag.get_property("HIGHLIGHTED_TRACK", 0);
		labels_follow_edits = file->tag.get_property("LABELS_FOLLOW_EDITS", labels_follow_edits);
		plugins_follow_edits = file->tag.get_property("PLUGINS_FOLLOW_EDITS", plugins_follow_edits);
		single_standalone = file->tag.get_property("SINGLE_STANDALONE", single_standalone);
		playback_preload = file->tag.get_property("PLAYBACK_PRELOAD", playback_preload);
		safe_regions = file->tag.get_property("SAFE_REGIONS", safe_regions);
		show_assets = file->tag.get_property("SHOW_ASSETS", 1);
		show_titles = file->tag.get_property("SHOW_TITLES", 1);
//		test_playback_edits = file->tag.get_property("TEST_PLAYBACK_EDITS", test_playback_edits);
		time_format = file->tag.get_property("TIME_FORMAT", time_format);
		nudge_format = file->tag.get_property("NUDGE_FORMAT", nudge_format);
		tool_window = file->tag.get_property("TOOL_WINDOW", tool_window);
		vwindow_meter = file->tag.get_property("VWINDOW_METER", vwindow_meter);
		vwindow_zoom = file->tag.get_property("VWINDOW_ZOOM", vwindow_zoom);
		vwindow_click2play = file->tag.get_property("VWINDOW_CLICK2PLAY", vwindow_click2play);

		decode_subtitles = file->tag.get_property("DECODE_SUBTITLES", decode_subtitles);
		subtitle_number = file->tag.get_property("SUBTITLE_NUMBER", subtitle_number);
		label_cells = file->tag.get_property("LABEL_CELLS", label_cells);
		program_no = file->tag.get_property("PROGRAM_NO", program_no);
		proxy_beep = file->tag.get_property("PROXY_BEEP", proxy_beep);
		render_beep = file->tag.get_property("RENDER_BEEP", render_beep);
		boundaries();
	}

	return 0;
}

int EDLSession::save_xml(FileXML *file)
{
//printf("EDLSession::save_session 1\n");
	char string[BCTEXTLEN];
	file->tag.set_title("SESSION");
	file->tag.set_property("ASSETLIST_FORMAT", assetlist_format);
	for(int i = 0; i < ASSET_COLUMNS; i++) {
		sprintf(string, "ASSET_COLUMN%d", i);
		file->tag.set_property(string, asset_columns[i]);
	}
	auto_conf->save_xml(file);
	file->tag.set_property("AUTO_KEYFRAMES", auto_keyframes);
	file->tag.set_property("AUTOS_FOLLOW_EDITS", autos_follow_edits);
	file->tag.set_property("BRENDER_START", brender_start);
	file->tag.set_property("BRENDER_END", brender_end);
	file->tag.set_property("EYEDROP_RADIUS", eyedrop_radius);
	file->tag.set_property("CROP_X1", crop_x1);
	file->tag.set_property("CROP_Y1", crop_y1);
	file->tag.set_property("CROP_X2", crop_x2);
	file->tag.set_property("CROP_Y2", crop_y2);
	file->tag.set_property("RULER_X1", ruler_x1);
	file->tag.set_property("RULER_Y1", ruler_y1);
	file->tag.set_property("RULER_X2", ruler_x2);
	file->tag.set_property("RULER_Y2", ruler_y2);
	file->tag.set_property("AWINDOW_FOLDER", awindow_folder);
	file->tag.set_property("CURSOR_ON_FRAMES", cursor_on_frames);
	file->tag.set_property("TYPELESS_KEYFRAMES", typeless_keyframes);
	file->tag.set_property("CWINDOW_DEST", cwindow_dest);
	file->tag.set_property("CWINDOW_MASK", cwindow_mask);
	file->tag.set_property("CWINDOW_METER", cwindow_meter);
	file->tag.set_property("CWINDOW_OPERATION", cwindow_operation);
	file->tag.set_property("CWINDOW_SCROLLBARS", cwindow_scrollbars);
	file->tag.set_property("CWINDOW_XSCROLL", cwindow_xscroll);
	file->tag.set_property("CWINDOW_YSCROLL", cwindow_yscroll);
	file->tag.set_property("CWINDOW_ZOOM", cwindow_zoom);
	file->tag.set_property("CWINDOW_CLICK2PLAY", cwindow_click2play);
	file->tag.set_property("EDITING_MODE", editing_mode);
	file->tag.set_property("FOLDERLIST_FORMAT", folderlist_format);
	file->tag.set_property("HIGHLIGHTED_TRACK", highlighted_track);
	file->tag.set_property("LABELS_FOLLOW_EDITS", labels_follow_edits);
	file->tag.set_property("PLUGINS_FOLLOW_EDITS", plugins_follow_edits);
	file->tag.set_property("SINGLE_STANDALONE", single_standalone);
	file->tag.set_property("PLAYBACK_PRELOAD", playback_preload);
	file->tag.set_property("SAFE_REGIONS", safe_regions);
	file->tag.set_property("SHOW_ASSETS", show_assets);
	file->tag.set_property("SHOW_TITLES", show_titles);
	file->tag.set_property("TEST_PLAYBACK_EDITS", test_playback_edits);
	file->tag.set_property("TIME_FORMAT", time_format);
	file->tag.set_property("NUDGE_FORMAT", nudge_format);
	file->tag.set_property("TOOL_WINDOW", tool_window);
	file->tag.set_property("VWINDOW_METER", vwindow_meter);
	file->tag.set_property("VWINDOW_ZOOM", vwindow_zoom);
	file->tag.set_property("VWINDOW_CLICK2PLAY", vwindow_click2play);

	file->tag.set_property("DECODE_SUBTITLES", decode_subtitles);
	file->tag.set_property("SUBTITLE_NUMBER", subtitle_number);
	file->tag.set_property("PROXY_BEEP", proxy_beep);
	file->tag.set_property("RENDER_BEEP", render_beep);

	file->append_tag();
	file->tag.set_title("/SESSION");
	file->append_tag();
	file->append_newline();
	file->append_newline();
//printf("EDLSession::save_session 3\n");
	return 0;
}

int EDLSession::save_video_config(FileXML *file)
{
	char string[BCTEXTLEN];
	file->tag.set_title("VIDEO");
	file->tag.set_property("INTERPOLATION_TYPE", interpolation_type);
	file->tag.set_property("INTERPOLATE_RAW", interpolate_raw);
	file->tag.set_property("WHITE_BALANCE_RAW", white_balance_raw);
	BC_CModels::to_text(string, color_model);
	file->tag.set_property("COLORMODEL", string);
	ilacemode_to_xmltext(string, interlace_mode);
	file->tag.set_property("INTERLACE_MODE",string);
	file->tag.set_property("CHANNELS", video_channels);
	for(int i = 0; i < video_channels; i++)
	{
		sprintf(string, "VCHANNEL_X_%d", i);
		file->tag.set_property(string, vchannel_x[i]);
		sprintf(string, "VCHANNEL_Y_%d", i);
		file->tag.set_property(string, vchannel_y[i]);
	}

	file->tag.set_property("FRAMERATE", frame_rate);
	file->tag.set_property("FRAMES_PER_FOOT", frames_per_foot);
	file->tag.set_property("OUTPUTW", output_w);
	file->tag.set_property("OUTPUTH", output_h);
	file->tag.set_property("ASPECTW", aspect_w);
	file->tag.set_property("ASPECTH", aspect_h);
	file->tag.set_property("PROXY_SCALE", proxy_scale);
	file->tag.set_property("PROXY_DISABLED_SCALE", proxy_disabled_scale);
	file->tag.set_property("PROXY_USE_SCALER", proxy_use_scaler);
	file->tag.set_property("PROXY_AUTO_SCALE", proxy_auto_scale);
	file->append_tag();
	file->tag.set_title("/VIDEO");
	file->append_tag();
	file->append_newline();
	file->append_newline();
	return 0;
}

int EDLSession::save_audio_config(FileXML *file)
{
	char string[1024];
	file->tag.set_title("AUDIO");
	file->tag.set_property("SAMPLERATE", (int64_t)sample_rate);
	file->tag.set_property("CHANNELS", (int64_t)audio_channels);

	for(int i = 0; i < audio_channels; i++)
	{
		sprintf(string, "ACHANNEL_ANGLE_%d", i);
		file->tag.set_property(string, achannel_positions[i]);
	}

	file->append_tag();
	file->tag.set_title("/AUDIO");
	file->append_tag();
	file->append_newline();
	file->append_newline();
	return 0;
}

int EDLSession::copy(EDLSession *session)
{
// Audio channel positions
	for(int i = 0; i < MAXCHANNELS; i++)
	{
		achannel_positions[i] = session->achannel_positions[i];
	}
	aconfig_in->copy_from(session->aconfig_in);
	for(int i = 0; i < ASSET_COLUMNS; i++)
	{
		asset_columns[i] = session->asset_columns[i];
	}
	assetlist_format = session->assetlist_format;
	auto_conf->copy_from(session->auto_conf);
	aspect_w = session->aspect_w;
	aspect_h = session->aspect_h;
	audio_channels = session->audio_channels;
	audio_tracks = session->audio_tracks;
	autos_follow_edits = session->autos_follow_edits;
	brender_start = session->brender_start;
	brender_end = session->brender_end;
	color_model = session->color_model;
	interlace_mode = session->interlace_mode;
	eyedrop_radius = session->eyedrop_radius;
	crop_x1 = session->crop_x1;
	crop_y1 = session->crop_y1;
	crop_x2 = session->crop_x2;
	crop_y2 = session->crop_y2;
	ruler_x1 = session->ruler_x1;
	ruler_y1 = session->ruler_y1;
	ruler_x2 = session->ruler_x2;
	ruler_y2 = session->ruler_y2;
	awindow_folder = session->awindow_folder;
	cursor_on_frames = session->cursor_on_frames;
	typeless_keyframes = session->typeless_keyframes;
	cwindow_dest = session->cwindow_dest;
	cwindow_mask = session->cwindow_mask;
	cwindow_meter = session->cwindow_meter;
	cwindow_operation = session->cwindow_operation;
	cwindow_scrollbars = session->cwindow_scrollbars;
	cwindow_xscroll = session->cwindow_xscroll;
	cwindow_yscroll = session->cwindow_yscroll;
	cwindow_zoom = session->cwindow_zoom;
	cwindow_click2play = session->cwindow_click2play;
	strcpy(default_atransition, session->default_atransition);
	strcpy(default_vtransition, session->default_vtransition);
	default_transition_length = session->default_transition_length;
	edit_handle_mode[0] = session->edit_handle_mode[0];
	edit_handle_mode[1] = session->edit_handle_mode[1];
	edit_handle_mode[2] = session->edit_handle_mode[2];
	editing_mode = session->editing_mode;
	enable_duplex = session->enable_duplex;
	folderlist_format = session->folderlist_format;
	frame_rate = session->frame_rate;
	frames_per_foot = session->frames_per_foot;
	highlighted_track = session->highlighted_track;
	interpolation_type = session->interpolation_type;
	interpolate_raw = session->interpolate_raw;
	white_balance_raw = session->white_balance_raw;
	labels_follow_edits = session->labels_follow_edits;
	plugins_follow_edits = session->plugins_follow_edits;
	single_standalone = session->single_standalone;
	auto_keyframes = session->auto_keyframes;
//	last_playback_position = session->last_playback_position;
	meter_format = session->meter_format;
	min_meter_db = session->min_meter_db;
	max_meter_db = session->max_meter_db;
	output_w = session->output_w;
	output_h = session->output_h;
	playback_buffer = session->playback_buffer;
	delete playback_config;
	playback_config = new PlaybackConfig;
	playback_config->copy_from(session->playback_config);
	playback_cursor_visible = session->playback_cursor_visible;
	playback_software_position = session->playback_software_position;
	real_time_playback = session->real_time_playback;
	real_time_record = session->real_time_record;
	record_positioning = session->record_positioning;
	record_raw_stream = session->record_raw_stream;
	record_speed = session->record_speed;
	record_sync_drives = session->record_sync_drives;
	record_fragment_size = session->record_fragment_size;
	record_write_length = session->record_write_length;
	record_realtime_toc = session->record_realtime_toc;
	recording_format->copy_from(session->recording_format, 0);
	safe_regions = session->safe_regions;
	sample_rate = session->sample_rate;
	scrub_speed = session->scrub_speed;
	si_useduration = session->si_useduration;
	si_duration = session->si_duration;
	show_assets = session->show_assets;
	show_titles = session->show_titles;
	test_playback_edits = session->test_playback_edits;
	time_format = session->time_format;
	nudge_format = session->nudge_format;
	tool_window = session->tool_window;
	for(int i = 0; i < MAXCHANNELS; i++) {
		vchannel_x[i] = session->vchannel_x[i];
		vchannel_y[i] = session->vchannel_y[i];
	}
	video_channels = session->video_channels;
	*vconfig_in = *session->vconfig_in;
	video_every_frame = session->video_every_frame;
//	video_asynchronous = session->video_asynchronous;
	video_tracks = session->video_tracks;
	video_write_length = session->video_write_length;
	view_follows_playback = session->view_follows_playback;
	vwindow_meter = session->vwindow_meter;
	vwindow_zoom = session->vwindow_zoom;
	vwindow_click2play = session->vwindow_click2play;
	proxy_scale = session->proxy_scale;
	proxy_disabled_scale = session->proxy_disabled_scale;
	proxy_use_scaler = session->proxy_use_scaler;
	proxy_auto_scale = session->proxy_auto_scale;
	proxy_beep = session->proxy_beep;
	render_beep = session->render_beep;

	subtitle_number = session->subtitle_number;
	decode_subtitles = session->decode_subtitles;
	label_cells = session->label_cells;
	program_no = session->program_no;

	return 0;
}

void EDLSession::dump()
{
	printf("EDLSession::dump\n");
	printf("    audio_tracks=%d audio_channels=%d sample_rate=%jd\n"
		"    video_tracks=%d frame_rate=%f output_w=%d output_h=%d aspect_w=%f aspect_h=%f\n"
		"    decode subtitles=%d subtitle_number=%d label_cells=%d program_no=%d\n"
		"    proxy scale=%d\n disabled_scale=%d, use_scaler=%d, auto_scale=%d\n"
		"    proxy_beep=%d render_beep=%d\n",
		audio_tracks, audio_channels, sample_rate, video_tracks,
		frame_rate, output_w, output_h, aspect_w, aspect_h,
		decode_subtitles, subtitle_number, label_cells, program_no,
		proxy_scale, proxy_disabled_scale, proxy_use_scaler, proxy_auto_scale,
		proxy_beep, render_beep);
}