Attachment 100689 Details for Bug 79808 – Test case showing Xlib working and XCB not

Test case showing Xlib working and XCB not

xv-query-adaptors.c (text/plain), 1.25 KB, created by Robert Ancell on 2014-06-08 22:45:52 UTC

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Creator: Robert Ancell

Created: 2014-06-08 22:45:52 UTC

Size: 1.25 KB

patch

obsolete

>// gcc -g -Wall xv-query-adaptors.c -o xv-query-adaptors -lX11 -lXv -lxcb -lxcb-xv
>
>#include <stdio.h>
>#include <X11/Xlib.h>
>#include <X11/extensions/Xvlib.h>
>#include <xcb/xcb.h>
>#include <xcb/xv.h>
>
>static void test_xlib (void)
>{
>  Display *d = XOpenDisplay (NULL);
>
>  unsigned int n_adaptors, i;
>  XvAdaptorInfo *adaptors;
>  XvQueryAdaptors (d, DefaultRootWindow (d), &n_adaptors, &adaptors);
>  printf ("Xlib:\n");
>  for (i = 0; i < n_adaptors; i++)
>    printf ("\"%s\"\n", adaptors[i].name);
>}
>
>static void test_xcb (void)
>{
>  xcb_connection_t *c = xcb_connect (NULL, NULL);
>  xcb_screen_t *screen = xcb_setup_roots_iterator (xcb_get_setup (c)).data;
>
>  xcb_xv_query_adaptors_cookie_t cookie = xcb_xv_query_adaptors (c, screen->root);
>  xcb_xv_query_adaptors_reply_t *reply = xcb_xv_query_adaptors_reply (c, cookie, NULL);
>  xcb_xv_adaptor_info_iterator_t iter = xcb_xv_query_adaptors_info_iterator (reply);
>  printf ("XCB:\n");
>  while (iter.rem > 0)
>  {
>    printf ("\"%.*s\"\n", xcb_xv_adaptor_info_name_length (iter.data), xcb_xv_adaptor_info_name (iter.data));
>    printf ("%d\n", xcb_xv_adaptor_info_sizeof (iter.data)); // Should be 32 bit aligned
>    xcb_xv_adaptor_info_next (&iter);
>  }
>}
>
>int main (int argc, char **argv)
>{
>  test_xlib ();
>  test_xcb ();
>
>  return 0;
>}

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