Attachment 13220 Details for Bug 13737 – testcase

testcase

testcase2.c (text/plain), 4.00 KB, created by Kusanagi Kouichi on 2007-12-19 07:46:20 UTC

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Creator: Kusanagi Kouichi

Created: 2007-12-19 07:46:20 UTC

Size: 4.00 KB

patch

obsolete

>#include <X11/Xlib.h>
>#include <X11/extensions/Xvlib.h>
>#include <string.h>
>#include <stdlib.h>
>
>int main(int argc, char **argv)
>{
>    Display *display;
>    Screen *screen;
>    Window root, window;
>    GC gc;
>    XvAdaptorInfo *info;
>    unsigned int num_adaptors;
>    XvPortID port;
>    XvImage *image;
>    int sw = 320, sh = 320, dw = 320, dh = 320;
>    int id, byte_order, bpp;
>    Atom xv_colorkey;
>    int colorkey;
>    int i, offset, pitch;
>    char *src, *dst;
>    int len1, len2;
>
>    display = XOpenDisplay(NULL);
>    if (display == NULL)
>    {
>	return 1;
>    }
>
>    screen = DefaultScreenOfDisplay(display);
>    root = RootWindowOfScreen(screen);
>
>    if (XvQueryAdaptors(display, root, &num_adaptors, &info) != Success)
>    {
>	XCloseDisplay(display);
>	return 1;
>    }
>
>    bpp = 0;
>    for (i = 1; i < argc; ++i)
>    {
>	bpp = strtol(argv[i], NULL, 0);
>	if (bpp == 16 || bpp == 24 || bpp == 32)
>	{
>	    break;
>	}
>    }
>
>    for (i = 0; i < num_adaptors; ++i)
>    {
>	int j;
>
>	if ((info[i].type & (XvInputMask | XvImageMask)) != (XvInputMask | XvImageMask))
>	{
>	    continue;
>	}
>
>	for (j = 0; j < info[i].num_ports; ++j)
>	{
>	    XvImageFormatValues *formats;
>	    int num_formats, k;
>
>	    port = info[i].base_id + j;
>
>	    formats = XvListImageFormats(display, port, &num_formats);
>	    for (k = 0; k < num_formats; ++k)
>	    {
>		if (formats[k].type == XvRGB &&
>		    formats[k].format == XvPacked &&
>		    (bpp == 0 || bpp == formats[k].bits_per_pixel) &&
>		    XvGrabPort(display, port, CurrentTime) == Success)
>		{
>		    id = formats[k].id;
>		    byte_order = formats[k].byte_order;
>		    bpp = formats[k].bits_per_pixel / 8;
>		    XFree(formats);
>		    XvFreeAdaptorInfo(info);
>		    goto found;
>		}
>	    }
>
>	    XFree(formats);
>	}
>    }
>
>    XvFreeAdaptorInfo(info);
>    XCloseDisplay(display);
>    return 1;
>
>found:
>    xv_colorkey = XInternAtom(display, "XV_COLORKEY", False);
>    if (XvGetPortAttribute(display, port, xv_colorkey, &colorkey) != Success)
>    {
>	XvUngrabPort(display, port, CurrentTime);
>	XCloseDisplay(display);
>	return 1;
>    }
>
>    image = XvCreateImage(display, port, id, NULL, sw, sh);
>    image->data = malloc(image->data_size);
>    if (image->data == NULL)
>    {
>	XFree(image);
>	XvUngrabPort(display, port, CurrentTime);
>	XCloseDisplay(display);
>	return 1;
>    }
>
>    sw = image->width;
>    sh = image->height;
>    offset = *image->offsets;
>    pitch = *image->pitches;
>
>    len2 = bpp * sw;
>    len1 = len2 / 2;
>    len2 -= len1;
>    dst = image->data + offset;
>    memset(dst, 0xff, len1);
>    dst += len1;
>    memset(dst, 0, len2);
>    dst = image->data + offset + pitch * sh / 2;
>    memset(dst, 0, len1);
>    dst += len1;
>    memset(dst, 0xff, len2);
>
>    src = image->data + offset;
>    dst = src + pitch;
>    for (i = 1; i < sh / 2; ++i)
>    {
>	memcpy(dst, src, pitch);
>	dst += pitch;
>    }
>
>    src = image->data + offset + pitch * sh / 2;
>    dst = src + pitch;
>    for (i = sh / 2 + 1; i < sh; ++i)
>    {
>	memcpy(dst, src, pitch);
>	dst += pitch;
>    }
>
>    window = XCreateSimpleWindow(display, root, 0, 0, dw, dh, 4,
>				 BlackPixelOfScreen(screen), colorkey);
>    gc = XCreateGC(display, window, 0, NULL);
>    XSelectInput(display, window, KeyPressMask | ButtonPressMask | ExposureMask | StructureNotifyMask);
>    XMapWindow(display, window);
>
>    while (1)
>    {
>	XEvent event;
>
>	XNextEvent(display, &event);
>
>	switch (event.type)
>	{
>	case Expose:
>	    if (event.xexpose.count == 0)
>	    {
>		XClearWindow(display, window);
>		XvPutImage(display, port, window, gc, image,
>			   0, 0, sw, sh, 0, 0, dw, dh);
>	    }
>	    continue;
>	case ConfigureNotify:
>	    dw = event.xconfigure.width;
>	    dh = event.xconfigure.height;
>	    XClearWindow(display, window);
>	    XvPutImage(display, port, window, gc, image,
>		       0, 0, sw, sh, 0, 0, dw, dh);
>	    continue;
>	case KeyPress:
>	case ButtonPress:
>	    break;
>	default:
>	    continue;
>	}
>	break;
>    }
>
>    free(image->data);
>    XFree(image);
>    XvUngrabPort(display, port, CurrentTime);
>    XFreeGC(display, gc);
>    XDestroyWindow(display, window);
>    XCloseDisplay(display);
>    return 0;
>}

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Attachments on bug 13737: 13220 | 13221 | 13222 | 13223 | 13224 | 13225 | 13663 | 13664

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