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Dump caps.

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This commit is contained in:
gb 2010-03-10 12:25:38 +00:00
parent 5fdc1dc943
commit 4f1725345f
1 changed files with 65 additions and 1 deletions
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66
tests/examples/generic/test-display.c
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@ -18,14 +18,62 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/ */
#include <gst/vaapi/gstvaapidisplay.h> #include <gst/video/video.h>
#include <gst/vaapi/gstvaapidisplay_x11.h> #include <gst/vaapi/gstvaapidisplay_x11.h>
static void
print_caps(GstCaps *caps, const gchar *name)
{
guint i, n_caps = gst_caps_get_size(caps);
g_print("%u %s caps\n", n_caps, name);
for (i = 0; i < gst_caps_get_size(caps); i++) {
GstStructure * const structure = gst_caps_get_structure(caps, i);
if (!structure)
g_error("could not get caps structure %d", i);
g_print(" %s:", gst_structure_get_name(structure));
if (gst_structure_has_name(structure, "video/x-raw-yuv")) {
guint32 fourcc;
gst_structure_get_fourcc(structure, "format", &fourcc);
g_print(" fourcc '%c%c%c%c'",
fourcc & 0xff,
(fourcc >> 8) & 0xff,
(fourcc >> 16) & 0xff,
(fourcc >> 24) & 0xff);
}
else {
gint bpp, endian, rmask, gmask, bmask, amask;
gboolean has_alpha;
gst_structure_get_int(structure, "bpp", &bpp);
gst_structure_get_int(structure, "endianness", &endian);
gst_structure_get_int(structure, "red_mask", &rmask);
gst_structure_get_int(structure, "blue_mask", &bmask);
gst_structure_get_int(structure, "green_mask", &gmask);
has_alpha = gst_structure_get_int(structure, "alpha_mask", &amask);
g_print(" %d bits per pixel, %s endian,",
bpp, endian == G_BIG_ENDIAN ? "big" : "little");
g_print(" %s masks", has_alpha ? "rgba" : "rgb");
g_print(" 0x%08x 0x%08x 0x%08x", rmask, gmask, bmask);
if (has_alpha)
g_print(" 0x%08x", amask);
}
g_print("\n");
}
}
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
Display *x11_display; Display *x11_display;
GstVaapiDisplay *display; GstVaapiDisplay *display;
GstCaps *caps;
gst_init(&argc, &argv); gst_init(&argc, &argv);
@ -37,6 +85,22 @@ main(int argc, char *argv[])
if (!display) if (!display)
g_error("could not create VA-API display"); g_error("could not create VA-API display");
caps = gst_vaapi_display_get_image_caps(display);
if (!caps)
g_error("could not get VA image caps");
print_caps(caps, "image");
gst_caps_unref(caps);
caps = gst_vaapi_display_get_subpicture_caps(display);
if (!caps)
g_error("could not get VA subpicture caps");
print_caps(caps, "subpicture");
gst_caps_unref(caps);
g_object_unref(G_OBJECT(display)); g_object_unref(G_OBJECT(display));
XCloseDisplay(x11_display);
gst_deinit();
return 0; return 0;
} }