void video_frame(uint32_t id, uint8_t *img_data, uint16_t width, uint16_t height, _Bool resize) {
if (!video_win[id]) {
debug("frame for null window %u\n", id);
return;
}
if (resize) {
XWindowChanges changes = {
.width = width,
.height = height
};
XConfigureWindow(display, video_win[id], CWWidth | CWHeight, &changes);
}
XWindowAttributes attrs;
XGetWindowAttributes(display, video_win[id], &attrs);
XImage image = {
.width = attrs.width,
.height = attrs.height,
.depth = 24,
.bits_per_pixel = 32,
.format = ZPixmap,
.byte_order = LSBFirst,
.bitmap_unit = 8,
.bitmap_bit_order = LSBFirst,
.bytes_per_line = attrs.width * 4,
.red_mask = 0xFF0000,
.green_mask = 0xFF00,
.blue_mask = 0xFF,
.data = (char*)img_data
};
/* scale image if needed */
uint8_t *new_data = malloc(attrs.width * attrs.height * 4);
if (new_data && (attrs.width != width || attrs.height != height)) {
scale_rgbx_image(img_data, width, height, new_data, attrs.width, attrs.height);
image.data = (char*)new_data;
}
GC default_gc = DefaultGC(display, screen);
Pixmap pixmap = XCreatePixmap(display, window, attrs.width, attrs.height, depth);
XPutImage(display, pixmap, default_gc, &image, 0, 0, 0, 0, attrs.width, attrs.height);
XCopyArea(display, pixmap, video_win[id], default_gc, 0, 0, attrs.width, attrs.height, 0, 0);
XFreePixmap(display, pixmap);
free(new_data);
}
void video_begin(uint32_t id, char_t *name, STRING_IDX name_length, uint16_t width, uint16_t height) {
Window *win = &video_win[id];
if(*win) {
return;
}
*win = XCreateSimpleWindow(display, RootWindow(display, screen),
0, 0, width, height, 0,
BlackPixel(display, screen), WhitePixel(display, screen));
// Fallback name in ISO8859-1.
XStoreName(display, *win, "Video Preview");
// UTF-8 name for those WMs that can display it.
XChangeProperty(display, *win, XA_NET_NAME, XA_UTF8_STRING, 8, PropModeReplace, name, name_length);
XSetWMProtocols(display, *win, &wm_delete_window, 1);
/* set WM_CLASS */
XClassHint hint = {
.res_name = "utoxvideo",
.res_class = "utoxvideo"
};
XSetClassHint(display, *win, &hint);
XMapWindow(display, *win);
debug("new window %u\n", id);
}
void video_end(uint32_t id) {
if(!video_win[id]) {
return;
}
XDestroyWindow(display, video_win[id]);
video_win[id] = None;
debug("killed window %u\n", id);
}
Display *deskdisplay;
int deskscreen;
XShmSegmentInfo shminfo;
void initshm(void) {
deskdisplay = XOpenDisplay(NULL);
deskscreen = DefaultScreen(deskdisplay);
debug("desktop: %u %u\n", scr->width, scr->height);
max_video_width = scr->width;
max_video_height = scr->height;
}
void video_frame(uint16_t id, uint8_t *img_data, uint16_t width, uint16_t height, bool resize) {
Window *win = &video_win[id];
if (id == UINT16_MAX) {
// Preview window
win = &preview;
}
if (!*win) {
LOG_TRACE("Video", "frame for null window %u" , id);
return;
}
if (resize) {
XWindowChanges changes = {.width = width, .height = height };
XConfigureWindow(display, *win, CWWidth | CWHeight, &changes);
}
XWindowAttributes attrs;
XGetWindowAttributes(display, video_win[id], &attrs);
XImage image = {
.width = attrs.width,
.height = attrs.height,
.depth = 24,
.bits_per_pixel = 32,
.format = ZPixmap,
.byte_order = LSBFirst,
.bitmap_unit = 8,
.bitmap_bit_order = LSBFirst,
.bytes_per_line = attrs.width * 4,
.red_mask = 0xFF0000,
.green_mask = 0xFF00,
.blue_mask = 0xFF,
.data = (char *)img_data
};
/* scale image if needed */
uint8_t *new_data = malloc(attrs.width * attrs.height * 4);
if (new_data && (attrs.width != width || attrs.height != height)) {
scale_rgbx_image(img_data, width, height, new_data, attrs.width, attrs.height);
image.data = (char *)new_data;
}
GC default_gc = DefaultGC(display, def_screen_num);
Pixmap pixmap = XCreatePixmap(display, main_window.window, attrs.width, attrs.height, default_depth);
XPutImage(display, pixmap, default_gc, &image, 0, 0, 0, 0, attrs.width, attrs.height);
XCopyArea(display, pixmap, *win, default_gc, 0, 0, attrs.width, attrs.height, 0, 0);
XFreePixmap(display, pixmap);
free(new_data);
}
void video_begin(uint16_t id, char *name, uint16_t name_length, uint16_t width, uint16_t height) {
Window *win = &video_win[id];
if (id == UINT16_MAX) {
// Preview window
win = &preview;
}
if (*win) {
return;
}
*win = XCreateSimpleWindow(display, RootWindow(display, def_screen_num), 0, 0, width, height, 0,
BlackPixel(display, def_screen_num), WhitePixel(display, def_screen_num));
// Fallback name in ISO8859-1.
XStoreName(display, *win, "Video Preview");
// UTF-8 name for those WMs that can display it.
XChangeProperty(display, *win, XA_NET_NAME, XA_UTF8_STRING, 8, PropModeReplace, (uint8_t *)name, name_length);
XSetWMProtocols(display, *win, &wm_delete_window, 1);
/* set WM_CLASS */
XClassHint hint = {.res_name = "utoxvideo", .res_class = "utoxvideo" };
XSetClassHint(display, *win, &hint);
XMapWindow(display, *win);
LOG_TRACE("Video", "new window %u" , id);
}
void video_end(uint16_t id) {
Window *win = &video_win[id];
if (id == UINT16_MAX) {
// Preview window
win = &preview;
}
XDestroyWindow(display, *win);
*win = None;
LOG_NOTE("Video", "killed window %u" , id);
}
