/**
* Start the capture
*/
static void xshm_capture_start(struct xshm_data *data)
{
const char *server = (data->advanced && *data->server)
? data->server : NULL;
data->dpy = XOpenDisplay(server);
if (!data->dpy) {
blog(LOG_ERROR, "Unable to open X display !");
goto fail;
}
if (!XShmQueryExtension(data->dpy)) {
blog(LOG_ERROR, "XShm extension not found !");
goto fail;
}
data->use_xinerama = xinerama_is_active(data->dpy) ? true : false;
if (xshm_update_geometry(data) < 0) {
blog(LOG_ERROR, "failed to update geometry !");
goto fail;
}
data->xshm = xshm_attach(data->dpy, data->screen,
data->width, data->height);
if (!data->xshm) {
blog(LOG_ERROR, "failed to attach shm !");
goto fail;
}
obs_enter_graphics();
data->cursor = xcursor_init(data->dpy);
xcursor_offset(data->cursor, data->x_org, data->y_org);
xshm_resize_texture(data);
obs_leave_graphics();
return;
fail:
xshm_capture_stop(data);
}
/**
* Start the capture
*/
static void xshm_capture_start(struct xshm_data *data)
{
const char *server = (data->advanced && *data->server)
? data->server : NULL;
data->xcb = xcb_connect(server, NULL);
if (!data->xcb || xcb_connection_has_error(data->xcb)) {
blog(LOG_ERROR, "Unable to open X display !");
goto fail;
}
if (!xshm_check_extensions(data->xcb))
goto fail;
data->use_xinerama = xinerama_is_active(data->xcb) ? true : false;
if (xshm_update_geometry(data) < 0) {
blog(LOG_ERROR, "failed to update geometry !");
goto fail;
}
data->xshm = xshm_xcb_attach(data->xcb, data->width, data->height);
if (!data->xshm) {
blog(LOG_ERROR, "failed to attach shm !");
goto fail;
}
data->cursor = xcb_xcursor_init(data->xcb);
xcb_xcursor_offset(data->cursor, data->x_org, data->y_org);
obs_enter_graphics();
xshm_resize_texture(data);
obs_leave_graphics();
return;
fail:
xshm_capture_stop(data);
}
/**
* Update the capture with changed settings
*/
static void xshm_update(void *vptr, obs_data_t settings)
{
XSHM_DATA(vptr);
data->show_cursor = obs_data_get_bool(settings, "show_cursor");
if (data->xshm)
xshm_detach(data->xshm);
if (xshm_update_geometry(data, settings) < 0) {
blog(LOG_ERROR, "xshm-input: failed to update geometry !");
return;
}
xshm_resize_texture(data);
xcursor_offset(data->cursor, data->x_org, data->y_org);
data->xshm = xshm_attach(data->dpy, data->screen,
data->width, data->height);
if (!data->xshm) {
blog(LOG_ERROR, "xshm-input: failed to attach shm !");
return;
}
}
