gstreamer/tests/test-windows.c

285 lines
8.2 KiB
C

/*
* test-windows.c - Test GstVaapiWindow
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <gst/vaapi/gstvaapidisplay_x11.h>
#include <gst/vaapi/gstvaapiwindow_x11.h>
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/vaapi/gstvaapiimage.h>
static inline void pause(void)
{
g_print("Press any key to continue...\n");
getchar();
}
typedef void (*DrawRectFunc)(
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
);
static void draw_rect_NV12( // Y, UV planes
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
)
{
const guchar Y = color >> 16;
const guchar Cb = color >> 8;
const guchar Cr = color;
guchar *dst;
guint i, j;
dst = pixels[0] + y * stride[0] + x;
for (j = 0; j < height; j++, dst += stride[0])
for (i = 0; i < width; i++)
dst[i] = Y;
x /= 2;
y /= 2;
width /= 2;
height /= 2;
dst = pixels[1] + y * stride[1] + x * 2;
for (j = 0; j < height; j++, dst += stride[1])
for (i = 0; i < width; i++) {
dst[2*i + 0] = Cb;
dst[2*i + 1] = Cr;
}
}
static void draw_rect_YV12( // Y, U, V planes
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
)
{
const guchar Y = color >> 16;
const guchar Cb = color >> 8;
const guchar Cr = color;
guchar *pY, *pU, *pV;
guint i, j;
pY = pixels[0] + y * stride[0] + x;
for (j = 0; j < height; j++, pY += stride[0])
for (i = 0; i < width; i++)
pY[i] = Y;
x /= 2;
y /= 2;
width /= 2;
height /= 2;
pU = pixels[1] + y * stride[1] + x;
pV = pixels[2] + y * stride[2] + x;
for (j = 0; j < height; j++, pU += stride[1], pV += stride[2])
for (i = 0; i < width; i++) {
pU[i] = Cb;
pV[i] = Cr;
}
}
static gboolean draw_rgb_rects(GstVaapiImage *image)
{
GstVaapiImageFormat format = GST_VAAPI_IMAGE_FORMAT(image);
guint w = GST_VAAPI_IMAGE_WIDTH(image);
guint h = GST_VAAPI_IMAGE_HEIGHT(image);
guchar *pixels[3];
guint stride[3];
guint32 red_color, green_color, blue_color, black_color;
DrawRectFunc draw_rect;
if (!gst_vaapi_image_map(image))
return FALSE;
switch (format) {
case GST_VAAPI_IMAGE_NV12:
draw_rect = draw_rect_NV12;
pixels[0] = gst_vaapi_image_get_plane(image, 0);
stride[0] = gst_vaapi_image_get_pitch(image, 0);
pixels[1] = gst_vaapi_image_get_plane(image, 1);
stride[1] = gst_vaapi_image_get_pitch(image, 1);
goto YUV_colors;
case GST_VAAPI_IMAGE_YV12:
draw_rect = draw_rect_YV12;
pixels[0] = gst_vaapi_image_get_plane(image, 0);
stride[0] = gst_vaapi_image_get_pitch(image, 0);
pixels[1] = gst_vaapi_image_get_plane(image, 2);
stride[1] = gst_vaapi_image_get_pitch(image, 2);
pixels[2] = gst_vaapi_image_get_plane(image, 1);
stride[2] = gst_vaapi_image_get_pitch(image, 1);
goto YUV_colors;
case GST_VAAPI_IMAGE_I420:
draw_rect = draw_rect_YV12;
pixels[0] = gst_vaapi_image_get_plane(image, 0);
stride[0] = gst_vaapi_image_get_pitch(image, 0);
pixels[1] = gst_vaapi_image_get_plane(image, 1);
stride[1] = gst_vaapi_image_get_pitch(image, 1);
pixels[2] = gst_vaapi_image_get_plane(image, 2);
stride[2] = gst_vaapi_image_get_pitch(image, 2);
YUV_colors:
red_color = 0x515af0;
green_color = 0x913622;
blue_color = 0x29f06e;
black_color = 0x108080;
break;
default:
gst_vaapi_image_unmap(image);
return FALSE;
}
draw_rect(pixels, stride, 0, 0, w/2, h/2, red_color);
draw_rect(pixels, stride, w/2, 0, w/2, h/2, green_color);
draw_rect(pixels, stride, 0, h/2, w/2, h/2, blue_color);
draw_rect(pixels, stride, w/2, h/2, w/2, h/2, black_color);
if (!gst_vaapi_image_unmap(image))
return FALSE;
return TRUE;
}
int
main(int argc, char *argv[])
{
GstVaapiDisplay *display;
GstVaapiWindow *window;
GstVaapiSurface *surface;
GstVaapiImage *image = NULL;
GstVaapiImageFormat format;
guint flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
guint i;
static const GstVaapiImageFormat image_formats[] = {
GST_VAAPI_IMAGE_NV12,
GST_VAAPI_IMAGE_YV12,
GST_VAAPI_IMAGE_I420,
0
};
static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
static const guint width = 320;
static const guint height = 240;
static const guint win_width = 640;
static const guint win_height = 480;
gst_init(&argc, &argv);
display = gst_vaapi_display_x11_new(NULL);
if (!display)
g_error("could not create Gst/VA display");
surface = gst_vaapi_surface_new(display, chroma_type, width, height);
if (!surface)
g_error("could not create Gst/VA surface");
for (i = 0; image_formats[i]; i++) {
image = gst_vaapi_image_new(display, image_formats[i], width, height);
if (image) {
format = image_formats[i];
break;
}
}
if (!image)
g_error("could not create Gst/VA image");
if (!draw_rgb_rects(image))
g_error("could not draw RGB rectangles");
if (!gst_vaapi_surface_put_image(surface, image))
g_error("could not upload image");
if (!gst_vaapi_surface_sync(surface))
g_error("could not complete image upload");
g_print("#\n");
g_print("# Create window with gst_vaapi_window_x11_new()\n");
g_print("#\n");
{
window = gst_vaapi_window_x11_new(display, win_width, win_height);
if (!window)
g_error("could not create window");
gst_vaapi_window_show(window);
if (!gst_vaapi_window_put_surface(window, surface, NULL, NULL, flags))
g_error("could not render surface");
pause();
g_object_unref(window);
}
g_print("#\n");
g_print("# Create window with gst_vaapi_window_x11_new_with_xid()\n");
g_print("#\n");
{
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(display);
Window rootwin, win;
int screen;
unsigned long white_pixel, black_pixel;
screen = DefaultScreen(dpy);
rootwin = RootWindow(dpy, screen);
white_pixel = WhitePixel(dpy, screen);
black_pixel = BlackPixel(dpy, screen);
win = XCreateSimpleWindow(
dpy,
rootwin,
0, 0, win_width, win_height,
0, black_pixel,
white_pixel
);
if (!win)
g_error("could not create X window");
window = gst_vaapi_window_x11_new_with_xid(display, win);
if (!window)
g_error("could not create window");
gst_vaapi_window_show(window);
if (!gst_vaapi_window_put_surface(window, surface, NULL, NULL, flags))
g_error("could not render surface");
pause();
g_object_unref(window);
XUnmapWindow(dpy, win);
XDestroyWindow(dpy, win);
}
g_object_unref(image);
g_object_unref(surface);
g_object_unref(display);
gst_deinit();
return 0;
}