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#include <stdio.h>
#include <X11/Xlib.h>
#include <vl_context.h>
#include <vl_surface.h>
#include <xsp_winsys.h>
static const unsigned short ycbcr16x16_420[8*8*6] =
{
0x00A5,0x00A5,0x00A5,0x0072,0x00A5,0x0072,0x0072,0x0072,
0x0072,0x00A5,0x0072,0x0072,0x00A5,0x0072,0x0072,0x0072,
0x0072,0x00A5,0x0072,0x0072,0x00A5,0x00A5,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x00A5,
0x0072,0x0072,0x0072,0x0072,0x0072,0x0072,0x00A5,0x00A5,
0x0072,0x0072,0x0072,0x0072,0x0072,0x00A5,0x00A5,0x00A5,
0x0072,0x0072,0x0072,0x0072,0x00A5,0x00A5,0x00A5,0x00A5,
0x004F,0x004F,0x004F,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,
0x00B2,0x00B2,0x004F,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,
0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,
0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,
0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,
0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,
0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x004F,
0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x00B2,0x004F,0x004F,
0x003E,0x003E,0x003E,0x0060,0x0060,0x0060,0x0060,0x0060,
0x0060,0x0060,0x003E,0x0060,0x0060,0x0060,0x0060,0x0060,
0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,
0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,
0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,
0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,
0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x003E,
0x0060,0x0060,0x0060,0x0060,0x0060,0x0060,0x003E,0x003E
};
int main(int argc, char **argv)
{
const unsigned int video_width = 32, video_height = 32;
const unsigned int window_width = video_width * 2, window_height = video_height * 2;
int quit = 0;
Display *display;
Window root, window;
Pixmap framebuffer;
XEvent event;
struct pipe_context *pipe;
struct VL_CONTEXT *ctx;
struct VL_SURFACE *sfc;
display = XOpenDisplay(NULL);
root = XDefaultRootWindow(display);
window = XCreateSimpleWindow(display, root, 0, 0, window_width, window_height, 0, 0, 0);
framebuffer = XCreatePixmap(display, root, window_width, window_height, 24);
XSelectInput(display, window, ExposureMask | KeyPressMask);
XMapWindow(display, window);
XSync(display, 0);
pipe = create_pipe_context(display);
vlCreateContext(display, pipe, video_width, video_height, VL_FORMAT_YCBCR_420, &ctx);
vlCreateSurface(ctx, &sfc);
vlRenderIMacroBlock(VL_FRAME_PICTURE, VL_FIELD_FIRST, 0, 0, 0x3F, VL_DCT_FRAME_CODED, (short*)ycbcr16x16_420, sfc);
vlRenderIMacroBlock(VL_FRAME_PICTURE, VL_FIELD_FIRST, 1, 0, 0x3F, VL_DCT_FRAME_CODED, (short*)ycbcr16x16_420, sfc);
vlRenderIMacroBlock(VL_FRAME_PICTURE, VL_FIELD_FIRST, 0, 1, 0x3F, VL_DCT_FRAME_CODED, (short*)ycbcr16x16_420, sfc);
vlRenderIMacroBlock(VL_FRAME_PICTURE, VL_FIELD_FIRST, 1, 1, 0x3F, VL_DCT_FRAME_CODED, (short*)ycbcr16x16_420, sfc);
vlPutSurface(sfc, framebuffer, 0, 0, video_width, video_height, 0, 0, window_width, window_height, VL_FRAME_PICTURE);
puts("Press any key to continue...");
while (!quit)
{
XNextEvent(display, &event);
switch (event.type)
{
case Expose:
{
XCopyArea
(
display,
framebuffer,
window,
XDefaultGC(display, XDefaultScreen(display)),
0,
0,
window_width,
window_height,
0,
0
);
break;
}
case KeyPress:
{
quit = 1;
break;
}
}
}
vlDestroySurface(sfc);
vlDestroyContext(ctx);
XFreePixmap(display, framebuffer);
XDestroyWindow(display, window);
XCloseDisplay(display);
return 0;
}
|
