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Lines 56-61
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| 56 |
struct video_picture grab_pic; |
56 |
struct video_picture grab_pic; |
| 57 |
struct video_capability grab_cap; |
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struct video_capability grab_cap; |
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struct video_mmap grab_buf; |
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struct video_mmap grab_buf; |
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static struct video_mbuf mbuf; |
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int grab_fd, grab_size; |
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int grab_fd, grab_size; |
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unsigned char *grab_data; |
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unsigned char *grab_data; |
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char *pnm_buf=NULL; |
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char *pnm_buf=NULL; |
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Lines 66-72
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| 66 |
everybody else can update theirs from the config window */ |
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everybody else can update theirs from the config window */ |
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int fix_color=1; |
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int fix_color=1; |
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int hue=47104, contrast=65280, brightness=65280, colour=17152; |
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int hue=32767, contrast=32767, brightness=32767, colour=32767; |
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unsigned char* grab_one(int *, int *); |
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unsigned char* grab_one(int *, int *); |
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int grab_init(); |
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int grab_init(); |
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Lines 106-112
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| 106 |
return; |
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return; |
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} |
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} |
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| 109 |
current_pixbuf=gdk_pixbuf_new_from_data(grabit,GDK_COLORSPACE_RGB,FALSE,8,320,240,320*grab_pic.depth/8,NULL,NULL); |
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current_pixbuf=gdk_pixbuf_new_from_data(grabit,GDK_COLORSPACE_RGB,FALSE,8,x,y,x*grab_pic.depth/8,NULL,NULL); |
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| 111 |
gtk_image_set_from_pixbuf(GTK_IMAGE(current_image), current_pixbuf); |
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gtk_image_set_from_pixbuf(GTK_IMAGE(current_image), current_pixbuf); |
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gdk_pixbuf_unref(current_pixbuf); |
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gdk_pixbuf_unref(current_pixbuf); |
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Lines 163-168
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| 163 |
if (contrast > -1) grab_pic.contrast=contrast; |
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if (contrast > -1) grab_pic.contrast=contrast; |
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if (brightness > -1) grab_pic.brightness=brightness; |
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if (brightness > -1) grab_pic.brightness=brightness; |
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if (colour > -1) grab_pic.colour=colour; |
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if (colour > -1) grab_pic.colour=colour; |
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168 |
/* hardcoded... */ |
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grab_pic.depth = 24; |
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grab_pic.palette = VIDEO_PALETTE_RGB24; |
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if (ioctl(grab_fd, VIDIOCSPICT, &grab_pic) == -1) { |
172 |
if (ioctl(grab_fd, VIDIOCSPICT, &grab_pic) == -1) { |
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show_error_dialog("An error occurred at 'ioctl VIDIOCSPICT'.\nCould not set camera properties."); |
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show_error_dialog("An error occurred at 'ioctl VIDIOCSPICT'.\nCould not set camera properties."); |
| 168 |
return; |
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return; |
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Lines 222-228
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| 222 |
grab_buf.width = x; |
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grab_buf.width = x; |
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grab_buf.height = y; |
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grab_buf.height = y; |
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grab_size = x * y * w; |
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grab_size = x * y * w; |
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grab_data = mmap(0,grab_size,PROT_READ|PROT_WRITE,MAP_SHARED,grab_fd,0); |
231 |
set_picture(); |
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232 |
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| 233 |
if (ioctl (grab_fd, VIDIOCGMBUF, &mbuf) < 0) { |
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show_error_dialog("An error occurred at 'ioctl VIDIOCGMBUF'."); |
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return 0; |
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} |
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printf("frames per capture: %i\n", mbuf.frames); |
| 238 |
if ((grab_data = mmap(0, mbuf.size, PROT_READ|PROT_WRITE, MAP_SHARED, |
| 239 |
grab_fd,0)) == MAP_FAILED) { |
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perror("mmap"); |
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show_error_dialog("An error occurred at 'mmap'."); |
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return 0; |
| 243 |
} |
| 244 |
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| 245 |
/* grab first frame */ |
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if (-1 == ioctl(grab_fd,VIDIOCMCAPTURE,&grab_buf)) { |
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show_error_dialog("An error occurred at 'ioctl VIDIOCMCAPTURE'."); |
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return 0; |
| 249 |
} |
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if (mbuf.frames > 1) grab_buf.frame = 1 - grab_buf.frame; |
| 251 |
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| 226 |
return(1); |
252 |
return(1); |
| 227 |
} |
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} |
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Lines 239-261
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| 239 |
unsigned char* grab_one(int *width, int *height) { |
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unsigned char* grab_one(int *width, int *height) { |
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set_picture(); |
266 |
set_picture(); |
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267 |
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| 242 |
for (;;) { |
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| 243 |
if (-1 == ioctl(grab_fd,VIDIOCMCAPTURE,&grab_buf)) { |
268 |
if (-1 == ioctl(grab_fd,VIDIOCMCAPTURE,&grab_buf)) { |
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show_error_dialog("An error occurred at 'ioctl VIDIOCMCAPTURE'."); |
269 |
show_error_dialog("An error occurred at 'ioctl VIDIOCMCAPTURE'."); |
| 245 |
return NULL; |
270 |
return NULL; |
| 246 |
} else { |
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} |
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272 |
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| 273 |
if (mbuf.frames > 1) grab_buf.frame = 1 - grab_buf.frame; |
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if (-1 == ioctl(grab_fd,VIDIOCSYNC,&grab_buf)) { |
274 |
if (-1 == ioctl(grab_fd,VIDIOCSYNC,&grab_buf)) { |
| 248 |
show_error_dialog("An error occurred at 'ioctl VIDIOCSYNC'."); |
275 |
show_error_dialog("An error occurred at 'ioctl VIDIOCSYNC'."); |
| 249 |
return NULL; |
276 |
return NULL; |
| 250 |
} else { |
277 |
} |
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if (fix_color) {fix_colour(grab_data, x, y); } |
278 |
if (fix_color) {fix_colour(grab_data + mbuf.offsets[grab_buf.frame], x, y); } |
| 252 |
*width = grab_buf.width; |
279 |
*width = grab_buf.width; |
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*height = grab_buf.height; |
280 |
*height = grab_buf.height; |
| 254 |
return grab_data; |
281 |
return grab_data + mbuf.offsets[grab_buf.frame]; |
| 255 |
} |
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| 256 |
} |
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| 258 |
} |
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} |
282 |
} |
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