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d3d11videosink: Enhancement for initial window size decision

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Use AdjustWindowRect() method to calculate window size so that
video scene can be rendered on client area without black borders

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4416>
This commit is contained in:
Seungha Yang 2023-04-02 00:29:24 +09:00 committed by Tim-Philipp Müller
parent d838d8dd1b
commit e972c43916
1 changed files with 18 additions and 10 deletions
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28
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11window_win32.cpp
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@ -44,6 +44,7 @@ G_LOCK_DEFINE_STATIC (create_lock);
#define WM_GST_D3D11_DESTROY_INTERNAL_WINDOW (WM_USER + 3)
#define WM_GST_D3D11_MOVE_WINDOW (WM_USER + 4)
#define WM_GST_D3D11_SHOW_WINDOW (WM_USER + 5)
#define WS_GST_D3D11 (WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW)
static LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam);
@ -581,8 +582,7 @@ gst_d3d11_window_win32_create_internal_window (GstD3D11WindowWin32 * self)
self->internal_hwnd = CreateWindowExA (0,
"GSTD3D11",
"Direct3D11 renderer",
WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW,
"Direct3D11 renderer", WS_GST_D3D11,
CW_USEDEFAULT, CW_USEDEFAULT,
0, 0, (HWND) NULL, (HMENU) NULL, hinstance, self);
@ -1138,14 +1138,22 @@ gst_d3d11_window_win32_show (GstD3D11Window * window)
/* if no parent the real size has to be set now because this has not been done
* when at window creation */
if (!self->external_hwnd) {
RECT rect;
GetClientRect (self->internal_hwnd, &rect);
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
height +=
2 * GetSystemMetrics (SM_CYSIZEFRAME) +
GetSystemMetrics (SM_CYCAPTION);
MoveWindow (self->internal_hwnd, rect.left, rect.top, width,
height, FALSE);
RECT rect = { 0, };
rect.right = width;
rect.bottom = height;
if (AdjustWindowRect (&rect, WS_GST_D3D11, FALSE)) {
width = rect.right - rect.left;
height = rect.bottom - rect.top;
} else {
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
height +=
2 * GetSystemMetrics (SM_CYSIZEFRAME) +
GetSystemMetrics (SM_CYCAPTION);
}
MoveWindow (self->internal_hwnd, 0, 0, width, height, FALSE);
ShowWindow (self->internal_hwnd, SW_SHOW);
} else if (self->internal_hwnd) {
/* ShowWindow will throw message to message pumping thread (app thread)