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d3d11videosink: Translate mouse position

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Converts mouse cursor position represented in display coordinates to
stream coordinates.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2824>
This commit is contained in:
Seungha Yang 2022-08-02 05:06:24 +09:00 committed by GStreamer Marge Bot
parent 7d4a1a5beb
commit bc065d2cc2
2 changed files with 82 additions and 1 deletions
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82
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11window.cpp
View file

@ -396,11 +396,93 @@ void
gst_d3d11_window_on_mouse_event (GstD3D11Window * window, const gchar * event,
gint button, gdouble x, gdouble y)
{
RECT render_rect;
GstVideoOrientationMethod method;
LONG xpos, ypos;
gdouble display_w, display_h, src_w, src_h;
gint in_w, in_h;
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
if (!window->enable_navigation_events)
return;
gst_d3d11_device_lock (window->device);
method = window->method;
render_rect = window->render_rect;
in_w = window->info.width;
in_h = window->info.height;
gst_d3d11_device_unlock (window->device);
display_w = render_rect.right - render_rect.left;
display_h = render_rect.bottom - render_rect.top;
xpos = (LONG) x;
ypos = (LONG) y;
/* if backbuffer surface size is unknown or mouse point located at
* outside of render area, ignore it */
if (display_w <= 0 || display_h <= 0 || in_w <= 0 || in_h <= 0 ||
xpos < render_rect.left || xpos >= render_rect.right ||
ypos < render_rect.top || ypos >= render_rect.bottom) {
return;
}
switch (method) {
case GST_VIDEO_ORIENTATION_90R:
case GST_VIDEO_ORIENTATION_90L:
case GST_VIDEO_ORIENTATION_UL_LR:
case GST_VIDEO_ORIENTATION_UR_LL:
src_w = in_h;
src_h = in_w;
break;
default:
src_w = in_w;
src_h = in_h;
break;
}
xpos = ((xpos - render_rect.left) / display_w) * src_w;
ypos = ((ypos - render_rect.top) / display_h) * src_h;
xpos = CLAMP (xpos, 0, (LONG) (src_w - 1));
ypos = CLAMP (ypos, 0, (LONG) (src_h - 1));
/* Reverse rotate/flip if needed */
switch (method) {
case GST_VIDEO_ORIENTATION_90R:
x = ypos;
y = src_w - xpos;
break;
case GST_VIDEO_ORIENTATION_90L:
x = src_h - ypos;
y = xpos;
break;
case GST_VIDEO_ORIENTATION_UR_LL:
x = src_h - ypos;
y = src_w - xpos;
break;
case GST_VIDEO_ORIENTATION_UL_LR:
x = ypos;
y = xpos;
break;
case GST_VIDEO_ORIENTATION_180:
x = src_w - xpos;
y = src_h - ypos;
break;
case GST_VIDEO_ORIENTATION_HORIZ:
x = src_w - xpos;
y = ypos;
break;
case GST_VIDEO_ORIENTATION_VERT:
x = xpos;
y = src_h - ypos;
break;
default:
x = xpos;
y = ypos;
break;
}
g_signal_emit (window, d3d11_window_signals[SIGNAL_MOUSE_EVENT], 0,
event, button, x, y);
}

1
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11window_win32.cpp
View file

@ -621,7 +621,6 @@ gst_d3d11_window_win32_on_mouse_event (GstD3D11WindowWin32 * self,
if (!window->enable_navigation_events)
return;
/* FIXME: convert to render coordinate */
switch (uMsg) {
case WM_MOUSEMOVE:
button = 0;