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[gst-cvs] gst-plugins-bad: directdraw: Implement GstNavigation interface
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From: <sl...@ke...> - 2009-07-31 05:17:52
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Module: gst-plugins-bad Branch: master Commit: 567902dc06a427a64adaeb4044f0a024fa2e5fc5 URL: http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=567902dc06a427a64adaeb4044f0a024fa2e5fc5 Author: Ð ÑÑлан ÐжбÑлаÑов <lr...@gm...> Date: Fri Jul 31 02:05:41 2009 +0400 directdraw: Implement GstNavigation interface Fixes bug #590208. --- sys/directdraw/gstdirectdrawsink.c | 199 +++++++++++++++++++++++++++++++++++- sys/directdraw/gstdirectdrawsink.h | 1 + 2 files changed, 196 insertions(+), 4 deletions(-) diff --git a/sys/directdraw/gstdirectdrawsink.c b/sys/directdraw/gstdirectdrawsink.c index 144f659..b631f07 100644 --- a/sys/directdraw/gstdirectdrawsink.c +++ b/sys/directdraw/gstdirectdrawsink.c @@ -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 @@ -189,6 +192,71 @@ gst_directdraw_sink_xoverlay_interface_init (GstXOverlayClass * iface) } 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) { static const GInterfaceInfo iface_info = { @@ -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; diff --git a/sys/directdraw/gstdirectdrawsink.h b/sys/directdraw/gstdirectdrawsink.h index 9cb5f78..1d7cc5d 100644 --- a/sys/directdraw/gstdirectdrawsink.h +++ b/sys/directdraw/gstdirectdrawsink.h @@ -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> |