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Code Issues Releases Activity

x11grab: Check for XFixes availability at runtime

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This commit is contained in:
Luca Barbato 2014-09-11 14:15:08 +02:00
parent 68211c70af
commit 89fa2b5616
1 changed files with 19 additions and 0 deletions
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19
libavdevice/x11grab.c
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@ -168,6 +168,19 @@ static int setup_shm(AVFormatContext *s, Display *dpy, XImage **image)
return 0;
}
static int setup_mouse(Display *dpy, int screen)
{
int ev_ret, ev_err;
if (XFixesQueryExtension(dpy, &ev_ret, &ev_err)) {
Window root = RootWindow(dpy, screen);
XFixesSelectCursorInput(dpy, root, XFixesDisplayCursorNotifyMask);
return 0;
}
return AVERROR(ENOSYS);
}
static int pixfmt_from_image(AVFormatContext *s, XImage *image, int *pix_fmt)
{
av_log(s, AV_LOG_DEBUG,
@ -318,6 +331,12 @@ static int x11grab_read_header(AVFormatContext *s1)
AllPlanes, ZPixmap);
}
if (x11grab->draw_mouse && setup_mouse(dpy, screen) < 0) {
av_log(s1, AV_LOG_WARNING,
"XFixes not available, cannot draw the mouse cursor\n");
x11grab->draw_mouse = 0;
}
x11grab->frame_size = x11grab->width * x11grab->height * image->bits_per_pixel / 8;
x11grab->dpy = dpy;
x11grab->time_base = (AVRational) { framerate.den, framerate.num };