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root/cebix/mintv/mintv.cpp

Comparing mintv/mintv.cpp (file contents):
Revision 1.1 by cebix, 2003-02-08T17:51:47Z vs.
Revision 1.3 by cebix, 2003-03-01T15:23:26Z

#	Line 27 | Line 27
27		#include <X11/extensions/Xv.h>
28		#include <X11/extensions/Xvlib.h>
29
30	+	static bool ntsc = false;
31	+
32		const int PAL_WIDTH = 384;
33		const int PAL_HEIGHT = 288;
34		const int NTSC_WIDTH = 320;
#	Line 41 | Line 43 | const int NTSC_FPS = 60;
43
44		static int fps;
45
46	+	static int brightness = 50, contrast = 50, color = 50;
47	+
48	+	static int channel = 1;
49	+
50		#define XV_FORMAT 0x32595559
51		#define BYTES_PER_PIXEL 2
52
#	Line 77 | Line 83 | static void quit(Widget widget, XEvent *
83		exit(0);
84		}
85
86	+	static void set_bcc(void)
87	+	{
88	+	video_picture pict;
89	+	if (ioctl(fd, VIDIOCGPICT, &pict) < 0) {
90	+	fprintf(stderr, "ioctl VIDIOCGPICT: %s\n", strerror(errno));
91	+	exit(1);
92	+	}
93	+	pict.brightness = brightness * 65536 / 100;
94	+	pict.contrast = contrast * 65536 / 100;
95	+	pict.colour = color * 65536 / 100;
96	+	if (ioctl(fd, VIDIOCSPICT, &pict) < 0) {
97	+	fprintf(stderr, "ioctl VIDIOCSPICT: %s\n", strerror(errno));
98	+	exit(1);
99	+	}
100	+	}
101	+
102	+	static void inc_brightness(Widget widget, XEvent *event, String *params, Cardinal *num_params)
103	+	{
104	+	if (brightness < 100)
105	+	brightness++;
106	+	set_bcc();
107	+	}
108	+
109	+	static void dec_brightness(Widget widget, XEvent *event, String *params, Cardinal *num_params)
110	+	{
111	+	if (brightness > 0)
112	+	brightness--;
113	+	set_bcc();
114	+	}
115	+
116	+	static void reset_brightness(Widget widget, XEvent *event, String *params, Cardinal *num_params)
117	+	{
118	+	brightness = 50;
119	+	set_bcc();
120	+	}
121	+
122	+	static void inc_contrast(Widget widget, XEvent *event, String *params, Cardinal *num_params)
123	+	{
124	+	if (contrast < 100)
125	+	contrast++;
126	+	set_bcc();
127	+	}
128	+
129	+	static void dec_contrast(Widget widget, XEvent *event, String *params, Cardinal *num_params)
130	+	{
131	+	if (contrast > 0)
132	+	contrast--;
133	+	set_bcc();
134	+	}
135	+
136	+	static void reset_contrast(Widget widget, XEvent *event, String *params, Cardinal *num_params)
137	+	{
138	+	contrast = 50;
139	+	set_bcc();
140	+	}
141	+
142	+	static void inc_color(Widget widget, XEvent *event, String *params, Cardinal *num_params)
143	+	{
144	+	if (color < 100)
145	+	color++;
146	+	set_bcc();
147	+	}
148	+
149	+	static void dec_color(Widget widget, XEvent *event, String *params, Cardinal *num_params)
150	+	{
151	+	if (color > 0)
152	+	color--;
153	+	set_bcc();
154	+	}
155	+
156	+	static void reset_color(Widget widget, XEvent *event, String *params, Cardinal *num_params)
157	+	{
158	+	color = 50;
159	+	set_bcc();
160	+	}
161	+
162	+	static void set_channel(void)
163	+	{
164	+	video_channel chan;
165	+	chan.channel = channel;
166	+	if (ioctl(fd, VIDIOCGCHAN, &chan) < 0) {
167	+	fprintf(stderr, "ioctl VIDIOCGCHAN: %s\n", strerror(errno));
168	+	exit(1);
169	+	}
170	+	if (ntsc)
171	+	chan.norm = VIDEO_MODE_NTSC;
172	+	else
173	+	chan.norm = VIDEO_MODE_PAL;
174	+	if (ioctl(fd, VIDIOCSCHAN, &chan) < 0) {
175	+	fprintf(stderr, "ioctl VIDIOCSCHAN: %s\n", strerror(errno));
176	+	exit(1);
177	+	}
178	+	}
179	+
180	+	static void select_channel_1(Widget widget, XEvent *event, String *params, Cardinal *num_params)
181	+	{
182	+	channel = 1;
183	+	set_channel();
184	+	}
185	+
186	+	static void select_channel_2(Widget widget, XEvent *event, String *params, Cardinal *num_params)
187	+	{
188	+	channel = 2;
189	+	set_channel();
190	+	}
191	+
192		static XtActionsRec actionTable[] = {
193	<	{"quit", quit}
193	>	{"quit", quit},
194	>	{"inc_brightness", inc_brightness},
195	>	{"dec_brightness", dec_brightness},
196	>	{"reset_brightness", reset_brightness},
197	>	{"inc_contrast", inc_contrast},
198	>	{"dec_contrast", dec_contrast},
199	>	{"reset_contrast", reset_contrast},
200	>	{"inc_color", inc_color},
201	>	{"dec_color", dec_color},
202	>	{"reset_color", reset_color},
203	>	{"select_channel_1", select_channel_1},
204	>	{"select_channel_2", select_channel_2}
205		};
206
207		static void resize_event(Widget widget, XtPointer client_data, XEvent *event, Boolean *d)
#	Line 205 | Line 328 | int main(int argc, char **argv)
328		log = fopen("log", "w");
329		#endif
330
208	–	// Init X11
209	–	XtAppContext app_context;
210	–	app_shell = XtAppInitialize(&app_context, "mintv", NULL, 0, &argc, argv, NULL,  NULL, 0);
211	–	dpy = XtDisplay(app_shell);
212	–	XtAppAddActions(app_context,actionTable, sizeof(actionTable) / sizeof(XtActionsRec));
213	–	XtOverrideTranslations(app_shell, XtParseTranslationTable(
214	–	"<Message>WM_PROTOCOLS: quit()\n"
215	–	"<Key>q: quit()"
216	–	));
217	–	XtAddEventHandler(app_shell, StructureNotifyMask, True, resize_event, NULL);
218	–	wm = XInternAtom(XtDisplay(app_shell), "WM_DELETE_WINDOW", False);
219	–
331		// Parse options
221	–	bool ntsc = false;
332		for (;;) {
333		int c;
334		if ((c = getopt_long(argc, argv, "hnp:", long_opts,NULL)) == -1)
#	Line 236 | Line 346 | int main(int argc, char **argv)
346		case 'h':
347		default:
348		fprintf(stderr,
349	<	"This is an xvideo test application.\n"
349	>	"50/60Hz video display application\n\n"
350		"Options:\n"
351		"  -h | --help    this text\n"
352		"  -n | --ntsc    NTSC mode\n"
353	<	"  -p | --port n  Xv output port\n"
353	>	"  -p | --port n  Xv output port\n\n"
354	>	"Keyboard commands:\n"
355	>	"  q         quit\n"
356	>	"  1/2       select channel\n"
357	>	"  KP 7/4/1  adjust brightness\n"
358	>	"  KP 8/5/2  adjust contrast\n"
359	>	"  KP 9/6/3  adjust color\n"
360		);
361		exit(1);
362		break;
363		}
364		}
365
366	+	// Init X11
367	+	XtAppContext app_context;
368	+	app_shell = XtAppInitialize(&app_context, "mintv", NULL, 0, &argc, argv, NULL,  NULL, 0);
369	+	dpy = XtDisplay(app_shell);
370	+	XtAppAddActions(app_context,actionTable, sizeof(actionTable) / sizeof(XtActionsRec));
371	+	XtOverrideTranslations(app_shell, XtParseTranslationTable(
372	+	"<Message>WM_PROTOCOLS: quit()\n"
373	+	"<Key>q: quit()\n"
374	+	"<Key>1: select_channel_1()\n"
375	+	"<Key>2: select_channel_2()\n"
376	+	"<Key>KP_7: inc_brightness()\n"
377	+	"<Key>KP_4: reset_brightness()\n"
378	+	"<Key>KP_1: dec_brightness()\n"
379	+	"<Key>KP_8: inc_contrast()\n"
380	+	"<Key>KP_5: reset_contrast()\n"
381	+	"<Key>KP_2: dec_contrast()\n"
382	+	"<Key>KP_9: inc_color()\n"
383	+	"<Key>KP_6: reset_color()\n"
384	+	"<Key>KP_3: dec_color()"
385	+	));
386	+	XtAddEventHandler(app_shell, StructureNotifyMask, True, resize_event, NULL);
387	+	wm = XInternAtom(XtDisplay(app_shell), "WM_DELETE_WINDOW", False);
388	+
389		// Xvideo available?
390		unsigned ver, rel, req, ev, err, val;
391		if (XvQueryExtension(dpy, &ver, &rel, &req, &ev, &err) != Success) {
#	Line 346 | Line 485 | port_found:
485		}
486
487		// Set channel
488	<	video_channel chan;
489	<	chan.channel = 1;
351	<	if (ioctl(fd, VIDIOCGCHAN, &chan) < 0) {
352	<	fprintf(stderr, "ioctl VIDIOCGCHAN: %s\n", strerror(errno));
353	<	exit(1);
354	<	}
355	<	if (ntsc)
356	<	chan.norm = VIDEO_MODE_NTSC;
357	<	else
358	<	chan.norm = VIDEO_MODE_PAL;
359	<	if (ioctl(fd, VIDIOCSCHAN, &chan) < 0) {
360	<	fprintf(stderr, "ioctl VIDIOCSCHAN: %s\n", strerror(errno));
361	<	exit(1);
362	<	}
488	>	set_channel();
489	>
490		video_audio au;
491		au.audio = 1;
492		if (ioctl(fd, VIDIOCGAUDIO, &au) < 0) {
#	Line 373 | Line 500 | port_found:
500		}
501
502		// Configure frame grabber
503	<	video_picture pict;
377	<	if (ioctl(fd, VIDIOCGPICT, &pict) < 0) {
378	<	fprintf(stderr, "ioctl VIDIOCGPICT: %s\n", strerror(errno));
379	<	exit(1);
380	<	}
381	<	pict.brightness = 45 * 65536 / 100;
382	<	pict.contrast = 55 * 65536 / 100;
383	<	pict.colour = 60 * 65536 / 100;
384	<	if (ioctl(fd, VIDIOCSPICT, &pict) < 0) {
385	<	fprintf(stderr, "ioctl VIDIOCSPICT: %s\n", strerror(errno));
386	<	exit(1);
387	<	}
503	>	set_bcc();
504
505		if (ioctl(fd, VIDIOCGMBUF, &mbuf) < 0) {
506		fprintf(stderr, "ioctl VIDIOCGMBUF: %s\n", strerror(errno));

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