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directdraw: Implement GstNavigation interface

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Fixes bug #590208.
This commit is contained in:
Руслан Ижбулатов 2009-07-31 02:05:41 +04:00 committed by Sebastian Dröge
parent 88e399aac2
commit 567902dc06
2 changed files with 196 additions and 4 deletions
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199
sys/directdraw/gstdirectdrawsink.c
View file

@ -127,8 +127,11 @@ static gboolean
gst_directdraw_sink_interface_supported (GstImplementsInterface * iface,
GType type)
{
g_assert (type == GST_TYPE_X_OVERLAY);
return TRUE;
if (type == GST_TYPE_X_OVERLAY)
return TRUE;
else if (type == GST_TYPE_NAVIGATION)
return TRUE;
return FALSE;
}
static void
@ -188,6 +191,71 @@ gst_directdraw_sink_xoverlay_interface_init (GstXOverlayClass * iface)
iface->expose = gst_directdraw_sink_expose;
}
static void
gst_directdraw_sink_navigation_send_event (GstNavigation * navigation,
GstStructure * structure)
{
GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (navigation);
GstEvent *event;
GstVideoRectangle src, dst, result;
double x, y, old_x, old_y;
GstPad *pad = NULL;
src.w = GST_VIDEO_SINK_WIDTH (ddrawsink);
src.h = GST_VIDEO_SINK_HEIGHT (ddrawsink);
dst.w = ddrawsink->out_width;
dst.h = ddrawsink->out_height;
gst_video_sink_center_rect (src, dst, &result, FALSE);
event = gst_event_new_navigation (structure);
/* Our coordinates can be wrong here if we centered the video */
/* Converting pointer coordinates to the non scaled geometry */
if (gst_structure_get_double (structure, "pointer_x", &old_x)) {
x = old_x;
if (x >= result.x && x <= (result.x + result.w)) {
x -= result.x;
x *= ddrawsink->video_width;
x /= result.w;
} else {
x = 0;
}
GST_DEBUG_OBJECT (ddrawsink, "translated navigation event x "
"coordinate from %f to %f", old_x, x);
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, x, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &old_y)) {
y = old_y;
if (y >= result.y && y <= (result.y + result.h)) {
y -= result.y;
y *= ddrawsink->video_height;
y /= result.h;
} else {
y = 0;
}
GST_DEBUG_OBJECT (ddrawsink, "translated navigation event y "
"coordinate from %f to %f", old_y, y);
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE, y, NULL);
}
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (ddrawsink));
if (GST_IS_PAD (pad) && GST_IS_EVENT (event)) {
gst_pad_send_event (pad, event);
gst_object_unref (pad);
}
}
static void
gst_directdraw_sink_navigation_interface_init (GstNavigationInterface * iface)
{
iface->send_event = gst_directdraw_sink_navigation_send_event;
}
static void
gst_directdraw_sink_init_interfaces (GType type)
{
@ -203,9 +271,16 @@ gst_directdraw_sink_init_interfaces (GType type)
NULL,
};
static const GInterfaceInfo navigation_info = {
(GInterfaceInitFunc) gst_directdraw_sink_navigation_interface_init,
NULL,
NULL,
};
g_type_add_interface_static (type, GST_TYPE_IMPLEMENTS_INTERFACE,
&iface_info);
g_type_add_interface_static (type, GST_TYPE_X_OVERLAY, &xoverlay_info);
g_type_add_interface_static (type, GST_TYPE_NAVIGATION, &navigation_info);
}
/* Subclass of GstBuffer which manages buffer_pool surfaces lifetime */
@ -484,6 +559,8 @@ gst_directdraw_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
("Failed to get caps properties from caps"), (NULL));
return FALSE;
}
GST_VIDEO_SINK_WIDTH (ddrawsink) = ddrawsink->video_width;
GST_VIDEO_SINK_HEIGHT (ddrawsink) = ddrawsink->video_height;
ddrawsink->fps_n = gst_value_get_fraction_numerator (fps);
ddrawsink->fps_d = gst_value_get_fraction_denominator (fps);
@ -1277,7 +1354,6 @@ gst_directdraw_sink_setup_ddraw (GstDirectDrawSink * ddrawsink)
{
gboolean bRet = TRUE;
HRESULT hRes;
/* create an instance of the ddraw object use DDCREATE_EMULATIONONLY as first
* parameter to force Directdraw to use the hardware emulation layer */
hRes = DirectDrawCreateEx ( /*DDCREATE_EMULATIONONLY */ 0,
@ -1320,6 +1396,121 @@ long FAR PASCAL
WndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
case WM_CREATE: {
LPCREATESTRUCT crs = (LPCREATESTRUCT) lParam;
/* Nail pointer to the video sink down to this window */
SetWindowLongPtr (hWnd, GWLP_USERDATA, (LONG_PTR) crs->lpCreateParams);
break;
}
case WM_SIZE:
case WM_CHAR:
case WM_KEYDOWN:
case WM_KEYUP:
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_MOUSEMOVE: {
GstDirectDrawSink *ddrawsink;
ddrawsink = (GstDirectDrawSink *) GetWindowLongPtr (hWnd, GWLP_USERDATA);
if (G_UNLIKELY (!ddrawsink))
break;
switch (message) {
case WM_SIZE: {
GST_OBJECT_LOCK (ddrawsink);
ddrawsink->out_width = LOWORD (lParam);
ddrawsink->out_height = HIWORD (lParam);
GST_OBJECT_UNLOCK (ddrawsink);
GST_DEBUG_OBJECT (ddrawsink, "Window size is %dx%d", LOWORD (wParam), HIWORD (wParam));
break;
}
case WM_CHAR:
case WM_KEYDOWN:
case WM_KEYUP: {
gunichar2 wcrep[128];
if (GetKeyNameTextW (lParam, wcrep, 128))
{
gchar *utfrep = g_utf16_to_utf8 (wcrep, 128, NULL, NULL, NULL);
if (utfrep)
{
if (message == WM_CHAR || message == WM_KEYDOWN)
gst_navigation_send_key_event (GST_NAVIGATION (ddrawsink),
"key-press", utfrep);
if (message == WM_CHAR || message == WM_KEYUP)
gst_navigation_send_key_event (GST_NAVIGATION (ddrawsink),
"key-release", utfrep);
g_free (utfrep);
}
}
break;
}
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_MOUSEMOVE: {
gint x, y, button;
gchar *action;
switch (message) {
case WM_MOUSEMOVE:
button = 0;
action = "mouse-move";
break;
case WM_LBUTTONDOWN:
button = 1;
action = "mouse-button-press";
break;
case WM_LBUTTONUP:
button = 1;
action = "mouse-button-release";
break;
case WM_RBUTTONDOWN:
button = 2;
action = "mouse-button-press";
break;
case WM_RBUTTONUP:
button = 2;
action = "mouse-button-release";
break;
case WM_MBUTTONDOWN:
button = 3;
action = "mouse-button-press";
break;
case WM_MBUTTONUP:
button = 3;
action = "mouse-button-release";
break;
default:
button = 4;
}
x = LOWORD (lParam);
y = HIWORD (lParam);
if (button == 0)
{
GST_DEBUG_OBJECT (ddrawsink, "Mouse moved to %dx%d", x, y);
}
else
GST_DEBUG_OBJECT (ddrawsink, "Mouse button %d pressed at %dx%d",
button, x, y);
if (button < 4)
gst_navigation_send_mouse_event (GST_NAVIGATION (ddrawsink),
action, button, x, y);
break;
}
}
break;
}
case WM_ERASEBKGND:
return TRUE;
case WM_CLOSE:
@ -1352,7 +1543,7 @@ gst_directdraw_sink_window_thread (GstDirectDrawSink * ddrawsink)
ddrawsink->video_window = CreateWindowEx (0, "GStreamer-DirectDraw",
"GStreamer-DirectDraw sink default window",
WS_OVERLAPPEDWINDOW | WS_SIZEBOX, 0, 0, 640, 480, NULL, NULL,
WndClass.hInstance, NULL);
WndClass.hInstance, (LPVOID) ddrawsink);
if (ddrawsink->video_window == NULL)
return NULL;

1
sys/directdraw/gstdirectdrawsink.h
View file

@ -30,6 +30,7 @@
#include <gst/gst.h>
#include <gst/video/gstvideosink.h>
#include <gst/interfaces/xoverlay.h>
#include <gst/interfaces/navigation.h>
#include <windows.h>
#include <ddraw.h>