summaryrefslogtreecommitdiff
path: root/spectro/ccwin.c
blob: 3c0d97fd12754979df0a421d59893104b899f09c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693

/* 
 * Argyll Color Correction System
 * ChromeCast Display target patch window
 *
 * Author: Graeme W. Gill
 * Date:   8/9/14
 *
 * Copyright 2013, 2014 Graeme W. Gill
 * All rights reserved.
 *
 * This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
 * see the License.txt file for licencing details.
 */

#include <stdio.h>
#include <string.h>
#ifdef NT
# include <winsock2.h>
#endif
#ifdef UNIX
# include <sys/types.h>
# include <ifaddrs.h>
# include <netinet/in.h> 
# include <arpa/inet.h>
# ifdef __FreeBSD__
#  include <sys/socket.h>
# endif /* __FreeBSD__ */
#endif
#include "copyright.h"
#include "aconfig.h"
#include "icc.h"
#include "numsup.h"
#include "cgats.h"
#include "conv.h"
#include "dispwin.h"
#include "conv.h"
#include "mongoose.h"
#include "ccast.h"
#include "ccwin.h"
#include "render.h"

#undef WRITE_PNG		/* [und] Write each test patch to "ccwin.png" */
#undef CCTEST_PATTERN	/* [und] Create dev. spatial test pattern */
#undef SEND_TEST_FILE 	/* [und] Send this file name to ChromeCast instead of pattern */
#undef DO_TIMING       	/* [und] Print rendering timing */
#undef DEBUG			/* [und] */

#define DDITHER 1		/*       0 = no dither - quantize to PNG 8 bit RGB value */
						/* [def] 1 = use error diffusion dithering with ccast quant model */
						/*       2 = use crafted 4x4 dither cell */

#define VWIDTH  1920.0	/* Video stream and display size */
#define VHEIGHT 1080.0

#define IWIDTH  1280.0	/* This is the native still image framebuffer size for ChromeCasts */
#define IHEIGHT 720.0

//#define STANDALONE_TEST

#ifdef DEBUG
#define errout stderr
# define debug(xx)	fprintf(errout, xx )
# define debug2(xx)	fprintf xx
# define debugr(xx)	fprintf(errout, xx )
# define debugr2(xx)	fprintf xx
# define debugrr(xx)	fprintf(errout, xx )
# define debugrr2(xx)	fprintf xx
# define debugrr2l(lev, xx)	fprintf xx
#else
#define errout stderr
# define debug(xx) 
# define debug2(xx)
# define debugr(xx) if (p->ddebug) fprintf(errout, xx ) 
# define debugr2(xx) if (p->ddebug) fprintf xx
# define debugrr(xx) if (callback_ddebug) fprintf(errout, xx ) 
# define debugrr2(xx) if (callback_ddebug) fprintf xx
# define debugrr2l(lev, xx) if (callback_ddebug >= lev) fprintf xx
#endif

/* ================================================================== */

/* Chromwin context and (possible) web server  */
typedef struct _chws {
	int verb;
	int ddebug;
	
	int direct;					/* End PNG directly, rather than using web server */

	struct mg_context *mg;		/* Mongoose context (if needed) */
	char *ws_url;				/* Web server URL for accessing server */

//	double hoff, voff;			/* Input position of test square */
	double x, y;				/* position of test square in pixels */
	double w, h;				/* size of test square in pixels */
	int pno;					/* Index to generate a sequence of URLs */
	unsigned char *ibuf;		/* Memory image of .png file */
	size_t ilen;

	ccast *cc;					/* ChromeCast */

	/* Update the png image */
	int (*update)(struct _chws *p, unsigned char *ibuf, size_t ilen, double *bg);

	/* Destroy ourselves */
	void (*del)(struct _chws *p);

} chws;

static void chws_del(chws *p) {

	if (p->mg != NULL)
		mg_stop(p->mg);

	if (p->cc != NULL)
		p->cc->del(p->cc);

	if (p->ibuf != NULL)
		free(p->ibuf);

	if (p->ws_url != NULL)
		free(p->ws_url);

	free(p);
}

/* Change the .png being served */
/* Return nz on error */
static int chws_update(chws *p, unsigned char *ibuf, size_t ilen, double *bg) {
	char url[200];

	debug("\nUpdate png\n");

	if (p->ibuf != NULL)
		free(p->ibuf);

	p->ibuf = ibuf;
	p->ilen = ilen;

	/* Send the PNG swatch direct */
	if (p->direct) {
		double x, y, w, h;
		/* Convert x,y,w,h to relative rather than pixel size */

		debugr2((errout,"Got x %f y %f w %f h %f\n", p->x, p->y, p->w, p->h));

		// Convert from quantized to direct loader parameters
		if (p->w < IWIDTH)
			x = p->x/(IWIDTH - p->w);
		else	
			x = 0.0;
		if (p->h < IHEIGHT)
			y = p->y/(IHEIGHT - p->h);
		else
			y = 0.0;
		w = p->w/(0.1 * IWIDTH);
		h = p->h/(0.1 * IWIDTH);

		debugr2((errout,"Sending direct x %f y %f w %f h %f\n", x, y, w, h));

		if (p->cc->load(p->cc, NULL, p->ibuf, p->ilen, bg, x, y, w, h)) {
			debugr2((errout,"ccwin_update direct load failed\n"));
			return 1;
		}

	/* Using web server */
	} else {

#ifdef SEND_TEST_FILE
		sprintf(url, "%s%s",p->ws_url, SEND_TEST_FILE);
#else
		sprintf(url, "%stpatch_%d.png",p->ws_url, ++p->pno); 
#endif
		if (p->cc->load(p->cc, url, NULL, 0, NULL,  0.0, 0.0, 0.0, 0.0)) {
			debugr2((errout,"ccwin_update server load failed\n"));
			return 1;
		}
	}
	return 0;
}

/* Web server event handler - return the current .png image */
static void *ccwin_ehandler(enum mg_event event,
                           struct mg_connection *conn) {
	const struct mg_request_info *request_info = mg_get_request_info(conn);
	chws *p = (chws *)mg_get_user_data(conn);
	char *cp;
	char sbuf[200];

	debugr2((errout,"ccwin_ehandler()\n"));

	if (event != MG_NEW_REQUEST) {
		return NULL;
	}

	debugr2((errout,"Event: uri = '%s'\n",request_info->uri));

#ifdef SEND_TEST_FILE
#pragma message("############################# ccwin.c SEND_TEST_FILE defined ! ##")
	return NULL;
#endif

	if (p->ibuf != NULL && p->ilen > 0
     && (cp = strrchr(request_info->uri, '.')) != NULL
	 && strcmp(cp, ".png") == 0) { 

		debugr2((errout,"Event: Loading %s\n",request_info->uri));

		debugr2((errout,"Returning current png size %d bytes\n",(int)p->ilen));
		sprintf(sbuf,
			"HTTP/1.1 200 OK\r\n"
			"Content-Type: image/png\r\n"
		    "Content-Length: %d\r\n"
		    "\r\n"
		    ,(int)p->ilen);
		
	    mg_write(conn, sbuf, strlen(sbuf));
	    mg_write(conn, p->ibuf, p->ilen);

	} else {
		debugr2((errout,"Bad request or png - returning 404\n"));
		sprintf(sbuf,
			"HTTP/1.0 404 Not Found\r\n"
		    "\r\n"
			"<html><body><h1>Error 404 - Not Found</h1></body></html>");
		
	    mg_write(conn, sbuf, strlen(sbuf));
	}

	return "yes";
}

chws *new_chws(
ccast_id *cc_id,				/* ChromeCast to open */
double width, double height,	/* Width and height as % */
double hoff, double voff,		/* Offset from center in fraction of screen, range -1.0 .. 1.0 */
int verb, int ddebug) {
	chws *p;
	const char *options[3];
	char port[50];
	int portno = 0;		/* Port number allocated */
	int forcedef = 0;	/* Force default reciever app. */

	if ((p = (chws *)calloc(sizeof(chws), 1)) == NULL) {
		error("new_chws: calloc failed");
		return NULL;
	}

	p->verb = verb;
	p->ddebug = ddebug;

	p->update = chws_update;
	p->del = chws_del;

	/* We make sure we round the test patch size and */
	/* location to integer resolution so that we can know */
	/* it's exact relationship to the upsampled pixel locations. */

	/* Setup window size and position */
	/* The default size is 10% of the width */
	p->w = floor(width/100.0 * 0.1 * IWIDTH + 0.5); 
	if (p->w > IWIDTH)
		p->w = IWIDTH;
	p->h = floor(height/100.0 * 0.1 * IWIDTH + 0.5); 
	if (p->h > IHEIGHT)
		p->h = IHEIGHT;

	// Make offset be on an even pixel boundary, so that we know
	// the up-filter phase.
	p->x = floor((hoff * 0.5 + 0.5) * (IWIDTH - p->w) + 0.5);
	p->y = floor((voff * 0.5 + 0.5) * (IHEIGHT - p->h) + 0.5);
	if (((int)p->x) & 1)
		p->x++;
	if (((int)p->y) & 1)
		p->y++;

	if (verb) printf("Opening ChromeCast '%s'\n",cc_id->name);

#ifdef SEND_TEST_FILE
	forcedef = 1;
#endif

	/* Connect to the chrome cast */
	if ((p->cc = new_ccast(cc_id, forcedef)) == NULL) {
		error("new_ccast: failed");
		chws_del(p);
		return NULL;
	}

	p->direct = p->cc->get_direct_send(p->cc);

	if (!p->direct) {
		/* Create a web server */
		options[0] = "listening_ports";
//		sprintf(port,"%d", 0);			/* Use any available */
		sprintf(port,"%d", 8081);		/* Use fixed port for Linux firewall rule */
		options[1] = port;
		options[2] = NULL;

		p->mg = mg_start(&ccwin_ehandler, (void *)p, options);
	
		if ((p->ws_url = mg_get_url(p->mg)) == NULL) {
			debugr2((errout, "mg_get_url() failed\n"));
			chws_del(p);
			return NULL;
		}
		if (p->ddebug)
			printf("Created .png server at '%s'\n",p->ws_url);
	}

	return p;
}


/* ================================================================== */

/* Get RAMDAC values. ->del() when finished. */
/* Return NULL if not possible */
static ramdac *ccwin_get_ramdac(dispwin *p) {
	debugr("webdisp doesn't have a RAMDAC\n"); 
	return NULL;
}

/* Set the RAMDAC values. */
/* Return nz if not possible */
static int ccwin_set_ramdac(dispwin *p, ramdac *r, int persist) {
	debugr("webdisp doesn't have a RAMDAC\n"); 
	return 1;
}

/* ----------------------------------------------- */
/* Install a display profile and make */
/* it the default for this display. */
/* Return nz if failed */
int ccwin_install_profile(dispwin *p, char *fname, ramdac *r, p_scope scope) {
	debugr("webdisp doesn't support installing profiles\n"); 
	return 1;
}

/* Un-Install a display profile */
/* Return nz if failed, */
int ccwin_uninstall_profile(dispwin *p, char *fname, p_scope scope) {
	debugr("webdisp doesn't support uninstalling profiles\n"); 
	return 1;
}

/* Get the currently installed display profile. */
/* Return NULL if failed. */
icmFile *ccwin_get_profile(dispwin *p, char *name, int mxlen) {
	debugr("webdisp doesn't support getting the current profile\n"); 
	return NULL;
}

/* ----------------------------------------------- */

/* Change the window color. */
/* Return 1 on error, 2 on window being closed */
static int ccwin_set_color(
dispwin *p,
double r, double g, double b	/* Color values 0.0 - 1.0 */
) {
	chws *ws = (chws *)p->pcntx;
	int j;
	double orgb[3];		/* Previous RGB value */
	double kr, kf;
	int update_delay = 0;

	debugr("ccwin_set_color called\n");

	if (p->nowin) {
		debugr("ccwin_set_color: nowin - give up\n");
		return 1;
	}

	orgb[0] = p->rgb[0]; p->rgb[0] = r;
	orgb[1] = p->rgb[1]; p->rgb[1] = g;
	orgb[2] = p->rgb[2]; p->rgb[2] = b;

	for (j = 0; j < 3; j++) {
		if (p->rgb[j] < 0.0)
			p->rgb[j] = 0.0;
		else if (p->rgb[j] > 1.0)
			p->rgb[j] = 1.0;
		p->r_rgb[j] = p->s_rgb[j] = p->rgb[j];
		if (p->out_tvenc) {
			p->r_rgb[j] = p->s_rgb[j] = ((235.0 - 16.0) * p->s_rgb[j] + 16.0)/255.0;

			/* For video encoding the extra bits of precision are created by bit shifting */
			/* rather than scaling, so we need to scale the fp value to account for this. */
			if (p->pdepth > 8)
				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->pdepth - 8)))
				            /((1 << p->pdepth) - 1.0); 	
		}
	}

	/* This is probably not actually thread safe... */
	p->ncix++;

#if DDITHER != 1
# pragma message("############################# ccwin.c DDITHER != 1 ##")
#endif

	/* Turn the color into a png file */
	{
		/* We want a raster of IWIDTH x IHEIGHT pixels for web server, */
		/* or p->w x p->h for PNG direct. */
		render2d *r;
		prim2d *rct;
		depth2d depth = bpc8_2d;
#if DDITHER == 1
		int dither = 0x8002;		/* 0x8002 = error diffuse FG only */
#elif DDITHER == 2
		int dither = 0x4000;		/* 0x4000 = no dither but don't average pixels */
									/* so as to allow pattern to come through. */
#else
		int dither = 0;				/* Don't dither in renderer */
#endif
		double hres = 1.0;					/* Resoltion in pix/mm */
		double vres = 1.0;					/* Resoltion in pix/mm */
		double iw, ih;						/* Size of page in mm (pixels) */
		double bg[3];						/* Background color */
		color2d c;
		unsigned char *ibuf;		/* Memory image of .png file */
		size_t ilen;
#ifdef DO_TIMING
		int stime;
#endif

		if (ws->direct) {
			iw = ws->w;		/* Requested size */
			ih = ws->h;
		} else {
			iw = IWIDTH;
			ih = IHEIGHT;	/* Size of page in mm */
		}

		if (p->blackbg) {
			bg[0] = 0.0;
			bg[1] = 0.0;
			bg[2] = 0.0;
		} else {
			bg[0] = 0.5;
			bg[1] = 0.5;
			bg[2] = 0.5;
		}

		debugr2((errout, "ccwin_set_color iw %f ih %f\n",iw,ih));

		if ((r = new_render2d(iw, ih, NULL, hres, vres, rgb_2d,
		     0, depth, dither,
#if DDITHER == 1
			 ccastQuant,
#else
			 NULL,
#endif
			 NULL)) == NULL) {
			error("ccwin: new_render2d() failed");
		}
	
		/* Set the background color */
		c[0] = bg[0];
		c[1] = bg[1];
		c[2] = bg[2];
		r->set_defc(r, c);
	
		c[0] = p->r_rgb[0];
		c[1] = p->r_rgb[1];
		c[2] = p->r_rgb[2];
		if (ws->direct)
			r->add(r, rct = new_rect2d(r, 0.0, 0.0, ws->w, ws->h, c)) ;
		else
			r->add(r, rct = new_rect2d(r, ws->x, ws->y, ws->w, ws->h, c)) ;

#if DDITHER == 2			/* Use dither pattern */
		{
			double rgb[3];
			double dpat[CCDITHSIZE][CCDITHSIZE][3];
			double (*cpat)[MXPATSIZE][MXPATSIZE][TOTC2D];
			int i, j;

			/* Get a chrome cast dither pattern to match target color */
			for (i = 0; i < 3; i++)
				rgb[i] = p->r_rgb[i] * 255.0;
			get_ccast_dith(dpat, rgb);

			if ((cpat = malloc(sizeof(double) * MXPATSIZE * MXPATSIZE * TOTC2D)) == NULL)
				error("ccwin: malloc of dither pattern failed");
			
			for (i = 0; i < CCDITHSIZE; i++) {
				for (j = 0; j < CCDITHSIZE; j++) {
					int k = (((int)IHEIGHT-2) - j) % CCDITHSIZE;	/* Flip to origin bot left */
					(*cpat)[i][k][0] = dpat[i][j][0]/255.0;			/* (HEIGHT-2 is correct!) */
					(*cpat)[i][k][1] = dpat[i][j][1]/255.0;
					(*cpat)[i][k][2] = dpat[i][j][2]/255.0;
				}
			}
			
			set_rect2d_dpat((rect2d *)rct, cpat, CCDITHSIZE, CCDITHSIZE);
		}
#endif /* DDITHER == 2 */

#ifdef CCTEST_PATTERN
#pragma message("############################# ccwin.c TEST_PATTERN defined ! ##")
		if (getenv("ARGYLL_CCAST_TEST_PATTERN") != NULL) {
			verbose(0, "Writing test pattern to '%s'\n","testpattern.png");
			if (r->write(r, "testpattern.png", 1, NULL, NULL, png_file))
				error("ccwin: render->write failed");
		}
#else	/* !CCTEST_PATTERN */
# ifdef WRITE_PNG		/* Write it to a file so that we can look at it */
#  pragma message("############################# spectro/ccwin.c WRITE_PNG is enabled ######")
		if (r->write(r, "ccwin.png", 1, NULL, NULL, png_file))
			error("ccwin: render->write failed");
# endif	/* WRITE_PNG */
#endif	/* !CCTEST_PATTERN */

#ifdef DO_TIMING
		stime = msec_time();
#endif
		if (r->write(r, "MemoryBuf", 1, &ibuf, &ilen, png_mem))
			error("ccwin: render->write failed");
#ifdef DO_TIMING
		stime = msec_time() - stime;
		printf("render->write took %d msec\n",stime);
#endif
		if (ws->update(ws, ibuf, ilen, bg))
			error("ccwin: color update failed");
		p->ccix = p->ncix;
	}

	/* If update is notified asyncronously ... */
//	while(p->ncix != p->ccix) {
//		msec_sleep(50);
//	}
//printf("#################################################################\n");
//printf("#################     RGB update notified        ################\n");
//printf("#################################################################\n");

	/* Allow for display update & instrument delays */
	update_delay = dispwin_compute_delay(p, orgb);
	debugr2((errout, "ccwin_set_color delaying %d msec\n",update_delay));
	msec_sleep(update_delay);

	return 0;
}

/* Set/unset the blackground color flag */
/* Return nz on error */
static int ccwin_set_bg(dispwin *p, int blackbg) {
	p->blackbg = blackbg;

	return 0;
}


/* ----------------------------------------------- */
/* Set the shell set color callout */
void ccwin_set_callout(
dispwin *p,
char *callout
) {
	debugr2((errout,"ccwin_set_callout called with '%s'\n",callout));

	p->callout = strdup(callout);
}

/* ----------------------------------------------- */
/* Destroy ourselves */
static void ccwin_del(
dispwin *p
) {
	chws *ws;

	debugr("ccwin_del called\n");

	if (p == NULL)
		return;

	ws = (chws *)p->pcntx;

	if (ws != NULL)
		ws->del(ws);

	if (p->name != NULL)
		free(p->name);
	if (p->description != NULL)
		free(p->description);
	if (p->callout != NULL)
		free(p->callout);

	free(p);
}

/* ----------------------------------------------- */

/* Create a web display test window, default grey */
dispwin *new_ccwin(
ccast_id *cc_id,				/* ChromeCast to open */
double width, double height,	/* Width and height in mm. (TV width assumed to b 1000mm) */
double hoff, double voff,		/* Offset from center in fraction of screen, range -1.0 .. 1.0 */
int nowin,						/* NZ if no window should be created - RAMDAC access only */
int native,						/* X0 = use current per channel calibration curve */
								/* X1 = set native linear output and use ramdac high precn. */
								/* 0X = use current color management cLut (MadVR) */
								/* 1X = disable color management cLUT (MadVR) */
int *noramdac,					/* Return nz if no ramdac access. native is set to X0 */
int *nocm,						/* Return nz if no CM cLUT access. native is set to 0X */
int out_tvenc,					/* 1 = use RGB Video Level encoding */
int blackbg,					/* NZ if whole screen should be filled with black */
int verb,						/* NZ for verbose prompts */
int ddebug						/* >0 to print debug statements to stderr */
) {
	dispwin *p = NULL;
	char *cp;
	chws *ws = NULL;
	const char *options[3];

	debug("new_ccwin called\n");

	if ((p = (dispwin *)calloc(sizeof(dispwin), 1)) == NULL) {
		if (ddebug) fprintf(stderr,"new_ccwin failed because malloc failed\n");
		return NULL;
	}

	/* !!!! Make changes in dispwin.c & madvrwin.c as well !!!! */
	p->name = strdup("Web Window");
	p->width = width;
	p->height = height;
	p->nowin = nowin;
	p->native = native;
	p->out_tvenc = out_tvenc;
	p->blackbg = blackbg;
	p->ddebug = ddebug;
	p->get_ramdac          = ccwin_get_ramdac;
	p->set_ramdac          = ccwin_set_ramdac;
	p->install_profile     = ccwin_install_profile;
	p->uninstall_profile   = ccwin_uninstall_profile;
	p->get_profile         = ccwin_get_profile;
	p->set_color           = ccwin_set_color;
	p->set_bg              = ccwin_set_bg;
	p->set_update_delay    = dispwin_set_update_delay;
	p->set_settling_delay  = dispwin_set_settling_delay;
	p->enable_update_delay = dispwin_enable_update_delay;
	p->set_callout         = ccwin_set_callout;
	p->del                 = ccwin_del;

	if (noramdac != NULL)
		*noramdac = 1;
	p->native &= ~1;

	if (nocm != NULL)
		*nocm = 1;
	p->native &= ~2;

	p->rgb[0] = p->rgb[1] = p->rgb[2] = 0.5;	/* Set Grey as the initial test color */
	
	dispwin_set_default_delays(p);

	p->ncix = 1;

	p->pdepth = 8;		/* Assume this by API */
	p->edepth = 8;

	/* Basic object is initialised, so create connection to ChromeCast */
	if ((ws = new_chws(cc_id, width, height, hoff, voff, verb, ddebug)) == NULL) {
		if (ddebug) fprintf(stderr,"new_ccwin failed - new_chws() failed\n");
		return NULL;
	}

	/* Extra delay ccast adds after confirming load */
	p->extra_update_delay = ws->cc->get_load_delay(ws->cc) / 1000.0;

	p->pcntx = (void *)ws;

	/* Create a suitable description */
	{
		char buf[100];
		sprintf(buf,"ChromeCast '%s'",cc_id->name);
		p->description = strdup(buf);
	}

    // Set a default first color
	if (ccwin_set_color(p, 128.0, 128.0, 128.0)) {
		if (ddebug) fprintf(stderr,"new_ccwin set_color()\n");
		p->del(p);
		return NULL;
	}

	debugr("new_ccwin: return sucessfully\n");

	return p;
}