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; |
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 |
|
|
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) |
335 |
|
XtAppAddActions(app_context,actionTable, sizeof(actionTable) / sizeof(XtActionsRec)); |
336 |
|
XtOverrideTranslations(app_shell, XtParseTranslationTable( |
337 |
|
"<Message>WM_PROTOCOLS: quit()\n" |
338 |
< |
"<Key>q: quit()" |
338 |
> |
"<Key>q: quit()\n" |
339 |
> |
"<Key>1: select_channel_1()\n" |
340 |
> |
"<Key>2: select_channel_2()\n" |
341 |
> |
"<Key>KP_7: inc_brightness()\n" |
342 |
> |
"<Key>KP_4: reset_brightness()\n" |
343 |
> |
"<Key>KP_1: dec_brightness()\n" |
344 |
> |
"<Key>KP_8: inc_contrast()\n" |
345 |
> |
"<Key>KP_5: reset_contrast()\n" |
346 |
> |
"<Key>KP_2: dec_contrast()\n" |
347 |
> |
"<Key>KP_9: inc_color()\n" |
348 |
> |
"<Key>KP_6: reset_color()\n" |
349 |
> |
"<Key>KP_3: dec_color()" |
350 |
|
)); |
351 |
|
XtAddEventHandler(app_shell, StructureNotifyMask, True, resize_event, NULL); |
352 |
|
wm = XInternAtom(XtDisplay(app_shell), "WM_DELETE_WINDOW", False); |
353 |
|
|
354 |
|
// Parse options |
221 |
– |
bool ntsc = false; |
355 |
|
for (;;) { |
356 |
|
int c; |
357 |
|
if ((c = getopt_long(argc, argv, "hnp:", long_opts,NULL)) == -1) |
369 |
|
case 'h': |
370 |
|
default: |
371 |
|
fprintf(stderr, |
372 |
< |
"This is an xvideo test application.\n" |
372 |
> |
"50/60Hz video display application\n" |
373 |
|
"Options:\n" |
374 |
|
" -h | --help this text\n" |
375 |
|
" -n | --ntsc NTSC mode\n" |
376 |
< |
" -p | --port n Xv output port\n" |
376 |
> |
" -p | --port n Xv output port\n\n" |
377 |
> |
"Keyboard commands:\n" |
378 |
> |
" q quit\n" |
379 |
> |
" 1/2 select channel\n" |
380 |
> |
" KP 7/4/1 adjust brightness\n" |
381 |
> |
" KP 8/5/2 adjust contrast\n" |
382 |
> |
" KP 9/6/3 adjust color\n" |
383 |
|
); |
384 |
|
exit(1); |
385 |
|
break; |
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) { |
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)); |