diff options
Diffstat (limited to 'sys/directdraw/gstdirectdrawsink.c')
| -rw-r--r-- | sys/directdraw/gstdirectdrawsink.c | 1814 |
1 files changed, 0 insertions, 1814 deletions
diff --git a/sys/directdraw/gstdirectdrawsink.c b/sys/directdraw/gstdirectdrawsink.c deleted file mode 100644 index 5eff741c..00000000 --- a/sys/directdraw/gstdirectdrawsink.c +++ /dev/null @@ -1,1814 +0,0 @@ -/* GStreamer -* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net> -* Copyright (C) 2007 Pioneers of the Inevitable <songbird@songbirdnest.com> -* -* Based on directfb video sink -* gstdirectdrawsink.c: -* -* This library is free software; you can redistribute it and/or -* modify it under the terms of the GNU Library General Public -* License as published by the Free Software Foundation; either -* version 2 of the License, or (at your option) any later version. -* -* This library is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* Library General Public License for more details. -* -* You should have received a copy of the GNU Library General Public -* License along with this library; if not, write to the -* Free Software Foundation, Inc., 59 Temple Place - Suite 330, -* Boston, MA 02111-1307, USA. -* -* The development of this code was made possible due to the involvement -* of Pioneers of the Inevitable, the creators of the Songbird Music player -* -*/ - -/** - * SECTION:element-directdrawsink - * - * <refsect2> - * <para> - * DirectdrawSink renders video RGB frames to any win32 window. This element - * can receive a window ID from the application through the XOverlay interface - * and will then render video frames in this window. - * If no Window ID was provided by the application, the element will create its - * own internal window and render into it. - * </para> - * <title>Examples</title> - * <para> - * Here is a simple pipeline to test the sink : - * <programlisting> - * gst-launch-0.10 -v videotestsrc ! directdrawsink - * </programlisting> - * </para> - * </refsect2> - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "gstdirectdrawsink.h" - -GST_DEBUG_CATEGORY_STATIC (directdrawsink_debug); -#define GST_CAT_DEFAULT directdrawsink_debug - -/* elementfactory information */ -static const GstElementDetails gst_directdraw_sink_details = -GST_ELEMENT_DETAILS ("Direct Draw Video Sink", - "Sink/Video", - "Output to a video card via Direct Draw", - "Sebastien Moutte <sebastien@moutte.net>"); - -static void gst_directdraw_sink_init_interfaces (GType type); - -GST_BOILERPLATE_FULL (GstDirectDrawSink, gst_directdraw_sink, GstVideoSink, - GST_TYPE_VIDEO_SINK, gst_directdraw_sink_init_interfaces); - -static void gst_directdraw_sink_finalize (GObject * object); -static void gst_directdraw_sink_set_property (GObject * object, - guint prop_id, const GValue * value, GParamSpec * pspec); -static void gst_directdraw_sink_get_property (GObject * object, - guint prop_id, GValue * value, GParamSpec * pspec); -static GstCaps *gst_directdraw_sink_get_caps (GstBaseSink * bsink); -static gboolean gst_directdraw_sink_set_caps (GstBaseSink * bsink, - GstCaps * caps); -static GstStateChangeReturn gst_directdraw_sink_change_state (GstElement * - element, GstStateChange transition); -static GstFlowReturn gst_directdraw_sink_buffer_alloc (GstBaseSink * bsink, - guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf); -static void gst_directdraw_sink_get_times (GstBaseSink * bsink, GstBuffer * buf, - GstClockTime * start, GstClockTime * end); -static GstFlowReturn gst_directdraw_sink_show_frame (GstBaseSink * bsink, - GstBuffer * buf); - -/* utils */ -static gboolean gst_directdraw_sink_setup_ddraw (GstDirectDrawSink * ddrawsink); -static gboolean gst_directdraw_sink_create_default_window (GstDirectDrawSink * - ddrawsink); -static gboolean gst_directdraw_sink_check_primary_surface (GstDirectDrawSink * - ddrawsink); -static gboolean gst_directdraw_sink_check_offscreen_surface (GstDirectDrawSink * - ddrawsink); -static GstCaps *gst_directdraw_sink_get_ddrawcaps (GstDirectDrawSink * - ddrawsink); -static GstCaps - * gst_directdraw_sink_create_caps_from_surfacedesc (LPDDSURFACEDESC2 desc); -static void gst_directdraw_sink_cleanup (GstDirectDrawSink * ddrawsink); -static void gst_directdraw_sink_bufferpool_clear (GstDirectDrawSink * - ddrawsink); -static int gst_directdraw_sink_get_depth (LPDDPIXELFORMAT lpddpfPixelFormat); -static gboolean gst_ddrawvideosink_get_format_from_caps (GstDirectDrawSink * - ddrawsink, GstCaps * caps, DDPIXELFORMAT * pPixelFormat); -static void gst_directdraw_sink_center_rect (GstDirectDrawSink * ddrawsink, - RECT src, RECT dst, RECT * result); -char *DDErrorString (HRESULT hr); - -/* surfaces management functions */ -static void gst_directdraw_sink_surface_destroy (GstDirectDrawSink * ddrawsink, - GstDDrawSurface * surface); -static GstDDrawSurface *gst_directdraw_sink_surface_create (GstDirectDrawSink * - ddrawsink, GstCaps * caps, size_t size); -static gboolean gst_directdraw_sink_surface_check (GstDirectDrawSink * - ddrawsink, GstDDrawSurface * surface); - -static GstStaticPadTemplate directdrawsink_sink_factory = -GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("video/x-raw-rgb, " - "framerate = (fraction) [ 0, MAX ], " - "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]") - ); - -enum -{ - PROP_0, - PROP_KEEP_ASPECT_RATIO -}; - -/* XOverlay interface implementation */ -static gboolean -gst_directdraw_sink_interface_supported (GstImplementsInterface * iface, - GType type) -{ - g_assert (type == GST_TYPE_X_OVERLAY); - return TRUE; -} - -static void -gst_directdraw_sink_interface_init (GstImplementsInterfaceClass * klass) -{ - klass->supported = gst_directdraw_sink_interface_supported; -} - -static void -gst_directdraw_sink_set_window_id (GstXOverlay * overlay, ULONG window_id) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (overlay); - - /* check if we are already using this window id */ - if (ddrawsink->video_window == (HWND) window_id) - return; - - if (window_id) { - HRESULT hres; - - ddrawsink->video_window = (HWND) window_id; - ddrawsink->our_video_window = FALSE; - if (ddrawsink->setup) { - /* update the clipper object with the new window */ - hres = IDirectDrawClipper_SetHWnd (ddrawsink->clipper, 0, - ddrawsink->video_window); - } - } -} - -static void -gst_directdraw_sink_expose (GstXOverlay * overlay) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (overlay); - - gst_directdraw_sink_show_frame (GST_BASE_SINK (ddrawsink), NULL); -} - -static void -gst_directdraw_sink_xoverlay_interface_init (GstXOverlayClass * iface) -{ - iface->set_xwindow_id = gst_directdraw_sink_set_window_id; - iface->expose = gst_directdraw_sink_expose; -} - -static void -gst_directdraw_sink_init_interfaces (GType type) -{ - static const GInterfaceInfo iface_info = { - (GInterfaceInitFunc) gst_directdraw_sink_interface_init, - NULL, - NULL, - }; - - static const GInterfaceInfo xoverlay_info = { - (GInterfaceInitFunc) gst_directdraw_sink_xoverlay_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); -} - -/* Subclass of GstBuffer which manages buffer_pool surfaces lifetime */ -static void gst_ddrawsurface_finalize (GstMiniObject * mini_object); - -static void -gst_ddrawsurface_init (GstDDrawSurface * surface, gpointer g_class) -{ - surface->surface = NULL; - surface->width = 0; - surface->height = 0; - surface->ddrawsink = NULL; - surface->locked = FALSE; - surface->system_memory = FALSE; - memset (&surface->dd_pixel_format, 0, sizeof (DDPIXELFORMAT)); -} - -static void -gst_ddrawsurface_class_init (gpointer g_class, gpointer class_data) -{ - GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class); - - mini_object_class->finalize = GST_DEBUG_FUNCPTR (gst_ddrawsurface_finalize); -} - -GType -gst_ddrawsurface_get_type (void) -{ - static GType _gst_ddrawsurface_type; - - if (G_UNLIKELY (_gst_ddrawsurface_type == 0)) { - static const GTypeInfo ddrawsurface_info = { - sizeof (GstBufferClass), - NULL, - NULL, - gst_ddrawsurface_class_init, - NULL, - NULL, - sizeof (GstDDrawSurface), - 0, - (GInstanceInitFunc) gst_ddrawsurface_init, - NULL - }; - _gst_ddrawsurface_type = g_type_register_static (GST_TYPE_BUFFER, - "GstDDrawSurface", &ddrawsurface_info, 0); - } - return _gst_ddrawsurface_type; -} - -static void -gst_ddrawsurface_finalize (GstMiniObject * mini_object) -{ - GstDirectDrawSink *ddrawsink = NULL; - GstDDrawSurface *surface; - - surface = (GstDDrawSurface *) mini_object; - - ddrawsink = surface->ddrawsink; - if (!ddrawsink) - goto no_sink; - - /* If our geometry changed we can't reuse that image. */ - if ((surface->width != ddrawsink->video_width) || - (surface->height != ddrawsink->video_height) || - (memcmp (&surface->dd_pixel_format, &ddrawsink->dd_pixel_format, - sizeof (DDPIXELFORMAT)) != 0 || - !gst_directdraw_sink_surface_check (ddrawsink, surface)) - ) { - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "destroy image as its size changed %dx%d vs current %dx%d", - surface->width, surface->height, ddrawsink->video_width, - ddrawsink->video_height); - gst_directdraw_sink_surface_destroy (ddrawsink, surface); - - } else { - /* In that case we can reuse the image and add it to our image pool. */ - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "recycling image in pool"); - - /* need to increment the refcount again to recycle */ - gst_buffer_ref (GST_BUFFER (surface)); - - g_mutex_lock (ddrawsink->pool_lock); - ddrawsink->buffer_pool = g_slist_prepend (ddrawsink->buffer_pool, surface); - g_mutex_unlock (ddrawsink->pool_lock); - } - return; - -no_sink: - GST_CAT_WARNING (directdrawsink_debug, "no sink found"); - return; -} - -/************************************************************************/ -/* Directdraw sink functions */ -/************************************************************************/ -static void -gst_directdraw_sink_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_set_details (element_class, &gst_directdraw_sink_details); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&directdrawsink_sink_factory)); -} - -static void -gst_directdraw_sink_class_init (GstDirectDrawSinkClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - GstBaseSinkClass *gstbasesink_class; - - gobject_class = (GObjectClass *) klass; - gstbasesink_class = (GstBaseSinkClass *) klass; - gstelement_class = (GstElementClass *) klass; - - GST_DEBUG_CATEGORY_INIT (directdrawsink_debug, "directdrawsink", 0, - "Directdraw sink"); - - gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_directdraw_sink_finalize); - gobject_class->get_property = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_get_property); - gobject_class->set_property = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_set_property); - gstelement_class->change_state = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_change_state); - gstbasesink_class->get_caps = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_get_caps); - gstbasesink_class->set_caps = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_set_caps); - gstbasesink_class->preroll = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_show_frame); - gstbasesink_class->render = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_show_frame); - gstbasesink_class->get_times = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_get_times); - gstbasesink_class->buffer_alloc = - GST_DEBUG_FUNCPTR (gst_directdraw_sink_buffer_alloc); - - /* install properties */ - /* setup aspect ratio mode */ - g_object_class_install_property (G_OBJECT_CLASS (klass), - PROP_KEEP_ASPECT_RATIO, g_param_spec_boolean ("force-aspect-ratio", - "Force aspect ratio", - "When enabled, scaling will respect original aspect ratio", FALSE, - G_PARAM_READWRITE)); -} - -static void -gst_directdraw_sink_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (object); - - switch (prop_id) { - case PROP_KEEP_ASPECT_RATIO: - ddrawsink->keep_aspect_ratio = g_value_get_boolean (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_directdraw_sink_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (object); - - switch (prop_id) { - case PROP_KEEP_ASPECT_RATIO: - g_value_set_boolean (value, ddrawsink->keep_aspect_ratio); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_directdraw_sink_finalize (GObject * object) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (object); - - if (ddrawsink->pool_lock) { - g_mutex_free (ddrawsink->pool_lock); - ddrawsink->pool_lock = NULL; - } - if (ddrawsink->caps) { - gst_caps_unref (ddrawsink->caps); - ddrawsink->caps = NULL; - } - if (ddrawsink->setup) { - gst_directdraw_sink_cleanup (ddrawsink); - } -} - -static void -gst_directdraw_sink_init (GstDirectDrawSink * ddrawsink, - GstDirectDrawSinkClass * g_class) -{ - /*init members variables */ - ddrawsink->ddraw_object = NULL; - ddrawsink->primary_surface = NULL; - ddrawsink->offscreen_surface = NULL; - ddrawsink->clipper = NULL; - ddrawsink->video_window = NULL; - ddrawsink->our_video_window = TRUE; - ddrawsink->last_buffer = NULL; - ddrawsink->caps = NULL; - ddrawsink->window_thread = NULL; - ddrawsink->setup = FALSE; - ddrawsink->buffer_pool = NULL; - ddrawsink->keep_aspect_ratio = FALSE; - ddrawsink->pool_lock = g_mutex_new (); - ddrawsink->can_blit_between_colorspace = TRUE; - ddrawsink->must_recreate_offscreen = FALSE; - memset (&ddrawsink->dd_pixel_format, 0, sizeof (DDPIXELFORMAT)); - - /*video default values */ - ddrawsink->video_height = 0; - ddrawsink->video_width = 0; - ddrawsink->fps_n = 0; - ddrawsink->fps_d = 0; -} - -static GstCaps * -gst_directdraw_sink_get_caps (GstBaseSink * bsink) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (bsink); - GstCaps *caps = NULL; - - if (!ddrawsink->setup) { - caps = gst_caps_copy (gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD - (ddrawsink))); - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "getcaps called and we are not setup yet, " "returning template %" - GST_PTR_FORMAT, caps); - } else { - caps = gst_caps_ref (ddrawsink->caps); - } - - return caps; -} - -static gboolean -gst_directdraw_sink_set_caps (GstBaseSink * bsink, GstCaps * caps) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (bsink); - GstStructure *structure = NULL; - gboolean ret; - const GValue *fps; - - structure = gst_caps_get_structure (caps, 0); - if (!structure) - return FALSE; - - ret = gst_structure_get_int (structure, "width", &ddrawsink->video_width); - ret &= gst_structure_get_int (structure, "height", &ddrawsink->video_height); - fps = gst_structure_get_value (structure, "framerate"); - ret &= (fps != NULL); - ret &= - gst_ddrawvideosink_get_format_from_caps (ddrawsink, caps, - &ddrawsink->dd_pixel_format); - if (!ret) { - GST_ELEMENT_ERROR (ddrawsink, CORE, NEGOTIATION, - ("Failed to get caps properties from caps"), (NULL)); - return FALSE; - } - - ddrawsink->fps_n = gst_value_get_fraction_numerator (fps); - ddrawsink->fps_d = gst_value_get_fraction_denominator (fps); - - /* Notify application to set window id now */ - if (!ddrawsink->video_window) { - gst_x_overlay_prepare_xwindow_id (GST_X_OVERLAY (ddrawsink)); - } - - /* if we are rendering to our own window, resize it to video size */ - if (ddrawsink->video_window && ddrawsink->our_video_window) { - SetWindowPos (ddrawsink->video_window, NULL, - 0, 0, ddrawsink->video_width + (GetSystemMetrics (SM_CXSIZEFRAME) * 2), - ddrawsink->video_height + GetSystemMetrics (SM_CYCAPTION) + - (GetSystemMetrics (SM_CYSIZEFRAME) * 2), SWP_SHOWWINDOW | SWP_NOMOVE); - } - - /* create an offscreen surface with the caps */ - ret = gst_directdraw_sink_check_offscreen_surface (ddrawsink); - if (!ret) { - GST_ELEMENT_ERROR (ddrawsink, CORE, NEGOTIATION, - ("Can't create a directdraw offscreen surface with the input caps"), - (NULL)); - } - - return ret; -} - -static GstStateChangeReturn -gst_directdraw_sink_change_state (GstElement * element, - GstStateChange transition) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (element);; - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - if (ddrawsink->video_window == NULL) - if (!gst_directdraw_sink_create_default_window (ddrawsink)) - return GST_STATE_CHANGE_FAILURE; - - if (!gst_directdraw_sink_setup_ddraw (ddrawsink)) - return GST_STATE_CHANGE_FAILURE; - - if (!(ddrawsink->caps = gst_directdraw_sink_get_ddrawcaps (ddrawsink))) - return GST_STATE_CHANGE_FAILURE; - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_PLAYING: - break; - case GST_STATE_CHANGE_PLAYING_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - ddrawsink->fps_n = 0; - ddrawsink->fps_d = 1; - ddrawsink->video_width = 0; - ddrawsink->video_height = 0; - if (ddrawsink->buffer_pool) - gst_directdraw_sink_bufferpool_clear (ddrawsink); - break; - case GST_STATE_CHANGE_READY_TO_NULL: - if (ddrawsink->setup) - gst_directdraw_sink_cleanup (ddrawsink); - break; - } - - return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); -} - -static GstFlowReturn -gst_directdraw_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, - guint size, GstCaps * caps, GstBuffer ** buf) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (bsink); - GstDDrawSurface *surface = NULL; - GstFlowReturn ret = GST_FLOW_OK; - GstCaps *buffer_caps = caps; - gboolean buffercaps_unref = FALSE; - - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "a buffer of %d bytes was requested", size); - - g_mutex_lock (ddrawsink->pool_lock); - - /* Inspect our buffer pool */ - while (ddrawsink->buffer_pool) { - surface = (GstDDrawSurface *) ddrawsink->buffer_pool->data; - if (surface) { - /* Removing from the pool */ - ddrawsink->buffer_pool = g_slist_delete_link (ddrawsink->buffer_pool, - ddrawsink->buffer_pool); - - /* If the surface is invalid for our need, destroy */ - if ((surface->width != ddrawsink->video_width) || - (surface->height != ddrawsink->video_height) || - (memcmp (&surface->dd_pixel_format, &ddrawsink->dd_pixel_format, - sizeof (DDPIXELFORMAT)) || - !gst_directdraw_sink_surface_check (ddrawsink, surface)) - ) { - gst_directdraw_sink_surface_destroy (ddrawsink, surface); - surface = NULL; - } else { - /* We found a suitable surface */ - break; - } - } - } - - if (!ddrawsink->can_blit_between_colorspace) { - /* Hardware doesn't support blit from one colorspace to another. - * Check if the colorspace of the current display mode has changed since - * the last negociation. If it's the case, we will have to renegociate - */ - guint depth; - HRESULT hres; - DDSURFACEDESC2 surface_desc; - DDSURFACEDESC2 *sd; - GstStructure *structure = NULL; - - structure = gst_caps_get_structure (caps, 0); - if (!gst_structure_get_int (structure, "depth", &depth)) { - GST_CAT_DEBUG_OBJECT (directdrawsink_debug, ddrawsink, - "Can't get depth from buffer_alloc caps"); - return GST_FLOW_ERROR; - } - surface_desc.dwSize = sizeof (surface_desc); - sd = &surface_desc; - hres = - IDirectDraw7_GetDisplayMode (ddrawsink->ddraw_object, - (DDSURFACEDESC *) sd); - if (hres != DD_OK) { - GST_CAT_DEBUG_OBJECT (directdrawsink_debug, ddrawsink, - "Can't get current display mode (error=%ld)", (glong) hres); - return GST_FLOW_ERROR; - } - - if (depth != gst_directdraw_sink_get_depth (&surface_desc.ddpfPixelFormat)) { - GstCaps *copy_caps = NULL; - GstStructure *copy_structure = NULL; - GstCaps *display_caps = NULL; - GstStructure *display_structure = NULL; - - /* make a copy of the original caps */ - copy_caps = gst_caps_copy (caps); - copy_structure = gst_caps_get_structure (copy_caps, 0); - - display_caps = - gst_directdraw_sink_create_caps_from_surfacedesc (&surface_desc); - if (display_caps) { - display_structure = gst_caps_get_structure (display_caps, 0); - if (display_structure) { - gint bpp, endianness, red_mask, green_mask, blue_mask; - - /* get new display mode properties */ - gst_structure_get_int (display_structure, "depth", &depth); - gst_structure_get_int (display_structure, "bpp", &bpp); - gst_structure_get_int (display_structure, "endianness", &endianness); - gst_structure_get_int (display_structure, "red_mask", &red_mask); - gst_structure_get_int (display_structure, "green_mask", &green_mask); - gst_structure_get_int (display_structure, "blue_mask", &blue_mask); - - /* apply the new display mode changes to the previous caps */ - gst_structure_set (copy_structure, - "bpp", G_TYPE_INT, bpp, - "depth", G_TYPE_INT, depth, - "endianness", G_TYPE_INT, endianness, - "red_mask", G_TYPE_INT, red_mask, - "green_mask", G_TYPE_INT, green_mask, - "blue_mask", G_TYPE_INT, blue_mask, NULL); - - if (gst_pad_peer_accept_caps (GST_VIDEO_SINK_PAD (ddrawsink), - copy_caps)) { - buffer_caps = copy_caps; - buffercaps_unref = TRUE; - /* update buffer size needed to store video frames according to new caps */ - size = ddrawsink->video_width * ddrawsink->video_height * (bpp / 8); - - /* update our member pixel format */ - gst_ddrawvideosink_get_format_from_caps (ddrawsink, buffer_caps, - &ddrawsink->dd_pixel_format); - ddrawsink->must_recreate_offscreen = TRUE; - - GST_CAT_DEBUG_OBJECT (directdrawsink_debug, ddrawsink, - " desired caps %s \n\n new caps %s", gst_caps_to_string (caps), - gst_caps_to_string (buffer_caps)); - } else { - GST_CAT_DEBUG_OBJECT (directdrawsink_debug, ddrawsink, - "peer refused caps re-negociation " - "and we can't render with the current caps."); - ret = GST_FLOW_ERROR; - } - } - gst_caps_unref (display_caps); - } - - if (!buffercaps_unref) - gst_caps_unref (copy_caps); - } - } - - /* We haven't found anything, creating a new one */ - if (!surface) { - surface = gst_directdraw_sink_surface_create (ddrawsink, buffer_caps, size); - } - - /* Now we should have a surface, set appropriate caps on it */ - if (surface) { - gst_buffer_set_caps (GST_BUFFER (surface), buffer_caps); - } - - g_mutex_unlock (ddrawsink->pool_lock); - - *buf = GST_BUFFER (surface); - - if (buffercaps_unref) - gst_caps_unref (buffer_caps); - - return ret; -} - -static GstFlowReturn -gst_directdraw_sink_show_frame (GstBaseSink * bsink, GstBuffer * buf) -{ - GstDirectDrawSink *ddrawsink = GST_DIRECTDRAW_SINK (bsink); - HRESULT hRes; - RECT destsurf_rect, src_rect; - POINT dest_surf_point; - - if (buf) { - /* save a reference to the input buffer */ - if (ddrawsink->last_buffer != buf) { - if (ddrawsink->last_buffer) { - gst_buffer_unref (ddrawsink->last_buffer); - } - } - ddrawsink->last_buffer = gst_buffer_ref (buf); - } else { - /* use last buffer */ - buf = ddrawsink->last_buffer; - } - if (buf == NULL) - return GST_FLOW_ERROR; - - /* get the video window position */ - dest_surf_point.x = 0; - dest_surf_point.y = 0; - ClientToScreen (ddrawsink->video_window, &dest_surf_point); - GetClientRect (ddrawsink->video_window, &destsurf_rect); - OffsetRect (&destsurf_rect, dest_surf_point.x, dest_surf_point.y); - - if (ddrawsink->keep_aspect_ratio) { - /* center image to dest image keeping aspect ratio */ - src_rect.top = 0; - src_rect.left = 0; - src_rect.bottom = ddrawsink->video_height; - src_rect.right = ddrawsink->video_width; - gst_directdraw_sink_center_rect (ddrawsink, src_rect, destsurf_rect, - &destsurf_rect); - } - - if (ddrawsink->must_recreate_offscreen && ddrawsink->offscreen_surface) { - IDirectDrawSurface7_Release (ddrawsink->offscreen_surface); - ddrawsink->offscreen_surface = NULL; - } - - /* check for surfaces lost */ - if (!gst_directdraw_sink_check_primary_surface (ddrawsink) || - !gst_directdraw_sink_check_offscreen_surface (ddrawsink)) { - return GST_FLOW_ERROR; - } - - if (!GST_IS_DDRAWSURFACE (buf) || - ((GST_IS_DDRAWSURFACE (buf)) && (GST_BUFFER (buf)->malloc_data))) { - /* We are receiving a system memory buffer so we will copy - to the memory of our offscreen surface and next blit this surface - on the primary surface */ - LPBYTE data = NULL; - guint src_pitch, line; - DDSURFACEDESC2 surf_desc; - DDSURFACEDESC2 *sd; - - ZeroMemory (&surf_desc, sizeof (surf_desc)); - surf_desc.dwSize = sizeof (surf_desc); - sd = &surf_desc; - - /* Lock the surface */ - hRes = - IDirectDrawSurface7_Lock (ddrawsink->offscreen_surface, NULL, - (DDSURFACEDESC *) sd, DDLOCK_WAIT, NULL); - if (hRes != DD_OK) { - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "gst_directdraw_sink_show_frame failed locking surface %s", - DDErrorString (hRes)); - return GST_FLOW_ERROR; - } - - /* Write each line respecting the destination surface pitch */ - data = surf_desc.lpSurface; - src_pitch = GST_BUFFER_SIZE (buf) / ddrawsink->video_height; - for (line = 0; line < surf_desc.dwHeight; line++) { - memcpy (data, GST_BUFFER_DATA (buf) + (line * src_pitch), src_pitch); - data += surf_desc.lPitch; - } - - /* Unlock the surface */ - hRes = IDirectDrawSurface7_Unlock (ddrawsink->offscreen_surface, NULL); - if (hRes != DD_OK) { - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "gst_directdraw_sink_show_frame failed unlocking surface %s", - DDErrorString (hRes)); - return GST_FLOW_ERROR; - } - - /* blit to primary surface ( Blt will scale the video the dest rect surface if needed */ - hRes = IDirectDrawSurface7_Blt (ddrawsink->primary_surface, &destsurf_rect, - ddrawsink->offscreen_surface, NULL, DDBLT_WAIT, NULL); - if (hRes != DD_OK) - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "IDirectDrawSurface7_Blt (object's offscreen surface) " "returned %s", - DDErrorString (hRes)); - - } else { - /* We are receiving a directdraw surface (previously returned by our buffer pool - So we will simply blit it on the primary surface */ - GstDDrawSurface *surface = NULL; - - surface = GST_DDRAWSURFACE (buf); - - /* Unlocking surface before blit */ - IDirectDrawSurface7_Unlock (surface->surface, NULL); - surface->locked = FALSE; - - /* blit to our primary surface */ - hRes = IDirectDrawSurface7_Blt (ddrawsink->primary_surface, &destsurf_rect, - surface->surface, NULL, DDBLT_WAIT, NULL); - if (hRes != DD_OK) - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "IDirectDrawSurface7_Blt (offscreen surface from buffer_alloc) " - "returned %s", DDErrorString (hRes)); - } - - return GST_FLOW_OK; -} - -static void -gst_directdraw_sink_get_times (GstBaseSink * bsink, GstBuffer * buf, - GstClockTime * start, GstClockTime * end) -{ - GstDirectDrawSink *ddrawsink; - - ddrawsink = GST_DIRECTDRAW_SINK (bsink); - - if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) { - *start = GST_BUFFER_TIMESTAMP (buf); - if (GST_BUFFER_DURATION_IS_VALID (buf)) { - *end = *start + GST_BUFFER_DURATION (buf); - } else { - if (ddrawsink->fps_n > 0) { - *end = *start + (GST_SECOND * ddrawsink->fps_d) / ddrawsink->fps_n; - } - } - } -} - -/* Utility functions */ - -/* this function fill a DDPIXELFORMAT using Gstreamer caps */ -static gboolean -gst_ddrawvideosink_get_format_from_caps (GstDirectDrawSink * ddrawsink, - GstCaps * caps, DDPIXELFORMAT * pPixelFormat) -{ - GstStructure *structure = NULL; - gboolean ret = TRUE; - - /* check params */ - g_return_val_if_fail (pPixelFormat, FALSE); - g_return_val_if_fail (caps, FALSE); - - /* init structure */ - memset (pPixelFormat, 0, sizeof (DDPIXELFORMAT)); - pPixelFormat->dwSize = sizeof (DDPIXELFORMAT); - - if (!(structure = gst_caps_get_structure (caps, 0))) { - GST_CAT_ERROR_OBJECT (directdrawsink_debug, ddrawsink, - "can't get structure pointer from caps"); - return FALSE; - } - - if (gst_structure_has_name (structure, "video/x-raw-rgb")) { - gint depth, bitcount, bitmask, endianness; - - pPixelFormat->dwFlags = DDPF_RGB; - ret &= gst_structure_get_int (structure, "bpp", &bitcount); - pPixelFormat->dwRGBBitCount = bitcount; - ret &= gst_structure_get_int (structure, "depth", &depth); - ret &= gst_structure_get_int (structure, "red_mask", &bitmask); - pPixelFormat->dwRBitMask = bitmask; - ret &= gst_structure_get_int (structure, "green_mask", &bitmask); - pPixelFormat->dwGBitMask = bitmask; - ret &= gst_structure_get_int (structure, "blue_mask", &bitmask); - pPixelFormat->dwBBitMask = bitmask; - - gst_structure_get_int (structure, "endianness", &endianness); - if (endianness == G_BIG_ENDIAN) { - endianness = G_LITTLE_ENDIAN; - pPixelFormat->dwRBitMask = GUINT32_TO_BE (pPixelFormat->dwRBitMask); - pPixelFormat->dwGBitMask = GUINT32_TO_BE (pPixelFormat->dwGBitMask); - pPixelFormat->dwBBitMask = GUINT32_TO_BE (pPixelFormat->dwBBitMask); - } - } else if (gst_structure_has_name (structure, "video/x-raw-yuv")) { - gint fourcc; - - pPixelFormat->dwFlags = DDPF_FOURCC; - ret &= gst_structure_get_fourcc (structure, "format", &fourcc); - pPixelFormat->dwFourCC = fourcc; - } else { - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "unknown caps name received %" GST_PTR_FORMAT, caps); - ret = FALSE; - } - - return ret; -} - -/* This function centers the RECT of source surface to -a dest surface and set the result RECT into result */ -static void -gst_directdraw_sink_center_rect (GstDirectDrawSink * ddrawsink, RECT src, - RECT dst, RECT * result) -{ - gdouble src_ratio, dst_ratio; - long src_width = src.right; - long src_height = src.bottom; - long dst_width = dst.right - dst.left; - long dst_heigth = dst.bottom - dst.top; - long result_width = 0, result_height = 0; - - g_return_if_fail (result != NULL); - - src_ratio = (gdouble) src_width / src_height; - dst_ratio = (gdouble) dst_width / dst_heigth; - - if (src_ratio > dst_ratio) { - /* new height */ - result_height = (long) (dst_width / src_ratio); - - result->left = dst.left; - result->right = dst.right; - result->top = dst.top + (dst_heigth - result_height) / 2; - result->bottom = result->top + result_height; - - } else if (src_ratio < dst_ratio) { - /* new width */ - result_width = (long) (dst_heigth * src_ratio); - - result->top = dst.top; - result->bottom = dst.bottom; - result->left = dst.left + (dst_width - result_width) / 2; - result->right = result->left + result_width; - - } else { - /* same ratio */ - memcpy (result, &dst, sizeof (RECT)); - } - - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "source is %ldx%ld dest is %ldx%ld, result is %ldx%ld with x,y %ldx%ld", - src_width, src_height, dst_width, dst_heigth, - result->right - result->left, result->bottom - result->top, result->left, - result->right); -} - -/** - * Get DirectDraw error message. - * @hr: HRESULT code - * Returns: Text representation of the error. - */ -char * -DDErrorString (HRESULT hr) -{ - switch (hr) { - case DDERR_ALREADYINITIALIZED: - return "DDERR_ALREADYINITIALIZED"; - case DDERR_CANNOTATTACHSURFACE: - return "DDERR_CANNOTATTACHSURFACE"; - case DDERR_CANNOTDETACHSURFACE: - return "DDERR_CANNOTDETACHSURFACE"; - case DDERR_CURRENTLYNOTAVAIL: - return "DDERR_CURRENTLYNOTAVAIL"; - case DDERR_EXCEPTION: - return "DDERR_EXCEPTION"; - case DDERR_GENERIC: - return "DDERR_GENERIC"; - case DDERR_HEIGHTALIGN: - return "DDERR_HEIGHTALIGN"; - case DDERR_INCOMPATIBLEPRIMARY: - return "DDERR_INCOMPATIBLEPRIMARY"; - case DDERR_INVALIDCAPS: - return "DDERR_INVALIDCAPS"; - case DDERR_INVALIDCLIPLIST: - return "DDERR_INVALIDCLIPLIST"; - case DDERR_INVALIDMODE: - return "DDERR_INVALIDMODE"; - case DDERR_INVALIDOBJECT: - return "DDERR_INVALIDOBJECT"; - case DDERR_INVALIDPARAMS: - return "DDERR_INVALIDPARAMS"; - case DDERR_INVALIDPIXELFORMAT: - return "DDERR_INVALIDPIXELFORMAT"; - case DDERR_INVALIDRECT: - return "DDERR_INVALIDRECT"; - case DDERR_LOCKEDSURFACES: - return "DDERR_LOCKEDSURFACES"; - case DDERR_NO3D: - return "DDERR_NO3D"; - case DDERR_NOALPHAHW: - return "DDERR_NOALPHAHW"; - case DDERR_NOCLIPLIST: - return "DDERR_NOCLIPLIST"; - case DDERR_NOCOLORCONVHW: - return "DDERR_NOCOLORCONVHW"; - case DDERR_NOCOOPERATIVELEVELSET: - return "DDERR_NOCOOPERATIVELEVELSET"; - case DDERR_NOCOLORKEY: - return "DDERR_NOCOLORKEY"; - case DDERR_NOCOLORKEYHW: - return "DDERR_NOCOLORKEYHW"; - case DDERR_NODIRECTDRAWSUPPORT: - return "DDERR_NODIRECTDRAWSUPPORT"; - case DDERR_NOEXCLUSIVEMODE: - return "DDERR_NOEXCLUSIVEMODE"; - case DDERR_NOFLIPHW: - return "DDERR_NOFLIPHW"; - case DDERR_NOGDI: - return "DDERR_NOGDI"; - case DDERR_NOMIRRORHW: - return "DDERR_NOMIRRORHW"; - case DDERR_NOTFOUND: - return "DDERR_NOTFOUND"; - case DDERR_NOOVERLAYHW: - return "DDERR_NOOVERLAYHW"; - case DDERR_NORASTEROPHW: - return "DDERR_NORASTEROPHW"; - case DDERR_NOROTATIONHW: - return "DDERR_NOROTATIONHW"; - case DDERR_NOSTRETCHHW: - return "DDERR_NOSTRETCHHW"; - case DDERR_NOT4BITCOLOR: - return "DDERR_NOT4BITCOLOR"; - case DDERR_NOT4BITCOLORINDEX: - return "DDERR_NOT4BITCOLORINDEX"; - case DDERR_NOT8BITCOLOR: - return "DDERR_NOT8BITCOLOR"; - case DDERR_NOTEXTUREHW: - return "DDERR_NOTEXTUREHW"; - case DDERR_NOVSYNCHW: - return "DDERR_NOVSYNCHW"; - case DDERR_NOZBUFFERHW: - return "DDERR_NOZBUFFERHW"; - case DDERR_NOZOVERLAYHW: - return "DDERR_NOZOVERLAYHW"; - case DDERR_OUTOFCAPS: - return "DDERR_OUTOFCAPS"; - case DDERR_OUTOFMEMORY: - return "DDERR_OUTOFMEMORY"; - case DDERR_OUTOFVIDEOMEMORY: - return "DDERR_OUTOFVIDEOMEMORY"; - case DDERR_OVERLAYCANTCLIP: - return "DDERR_OVERLAYCANTCLIP"; - case DDERR_OVERLAYCOLORKEYONLYONEACTIVE: - return "DDERR_OVERLAYCOLORKEYONLYONEACTIVE"; - case DDERR_PALETTEBUSY: - return "DDERR_PALETTEBUSY"; - case DDERR_COLORKEYNOTSET: - return "DDERR_COLORKEYNOTSET"; - case DDERR_SURFACEALREADYATTACHED: - return "DDERR_SURFACEALREADYATTACHED"; - case DDERR_SURFACEALREADYDEPENDENT: - return "DDERR_SURFACEALREADYDEPENDENT"; - case DDERR_SURFACEBUSY: - return "DDERR_SURFACEBUSY"; - case DDERR_CANTLOCKSURFACE: - return "DDERR_CANTLOCKSURFACE"; - case DDERR_SURFACEISOBSCURED: - return "DDERR_SURFACEISOBSCURED"; - case DDERR_SURFACELOST: - return "DDERR_SURFACELOST"; - case DDERR_SURFACENOTATTACHED: - return "DDERR_SURFACENOTATTACHED"; - case DDERR_TOOBIGHEIGHT: - return "DDERR_TOOBIGHEIGHT"; - case DDERR_TOOBIGSIZE: - return "DDERR_TOOBIGSIZE"; - case DDERR_TOOBIGWIDTH: - return "DDERR_TOOBIGWIDTH"; - case DDERR_UNSUPPORTED: - return "DDERR_UNSUPPORTED"; - case DDERR_UNSUPPORTEDFORMAT: - return "DDERR_UNSUPPORTEDFORMAT"; - case DDERR_UNSUPPORTEDMASK: - return "DDERR_UNSUPPORTEDMASK"; - case DDERR_VERTICALBLANKINPROGRESS: - return "DDERR_VERTICALBLANKINPROGRESS"; - case DDERR_WASSTILLDRAWING: - return "DDERR_WASSTILLDRAWING"; - case DDERR_XALIGN: - return "DDERR_XALIGN"; - case DDERR_INVALIDDIRECTDRAWGUID: - return "DDERR_INVALIDDIRECTDRAWGUID"; - case DDERR_DIRECTDRAWALREADYCREATED: - return "DDERR_DIRECTDRAWALREADYCREATED"; - case DDERR_NODIRECTDRAWHW: - return "DDERR_NODIRECTDRAWHW"; - case DDERR_PRIMARYSURFACEALREADYEXISTS: - return "DDERR_PRIMARYSURFACEALREADYEXISTS"; - case DDERR_NOEMULATION: - return "DDERR_NOEMULATION"; - case DDERR_REGIONTOOSMALL: - return "DDERR_REGIONTOOSMALL"; - case DDERR_CLIPPERISUSINGHWND: - return "DDERR_CLIPPERISUSINGHWND"; - case DDERR_NOCLIPPERATTACHED: - return "DDERR_NOCLIPPERATTACHED"; - case DDERR_NOHWND: - return "DDERR_NOHWND"; - case DDERR_HWNDSUBCLASSED: - return "DDERR_HWNDSUBCLASSED"; - case DDERR_HWNDALREADYSET: - return "DDERR_HWNDALREADYSET"; - case DDERR_NOPALETTEATTACHED: - return "DDERR_NOPALETTEATTACHED"; - case DDERR_NOPALETTEHW: - return "DDERR_NOPALETTEHW"; - case DDERR_BLTFASTCANTCLIP: - return "DDERR_BLTFASTCANTCLIP"; - case DDERR_NOBLTHW: - return "DDERR_NOBLTHW"; - case DDERR_NODDROPSHW: - return "DDERR_NODDROPSHW"; - case DDERR_OVERLAYNOTVISIBLE: - return "DDERR_OVERLAYNOTVISIBLE"; - case DDERR_NOOVERLAYDEST: - return "DDERR_NOOVERLAYDEST"; - case DDERR_INVALIDPOSITION: - return "DDERR_INVALIDPOSITION"; - case DDERR_NOTAOVERLAYSURFACE: - return "DDERR_NOTAOVERLAYSURFACE"; - case DDERR_EXCLUSIVEMODEALREADYSET: - return "DDERR_EXCLUSIVEMODEALREADYSET"; - case DDERR_NOTFLIPPABLE: - return "DDERR_NOTFLIPPABLE"; - case DDERR_CANTDUPLICATE: - return "DDERR_CANTDUPLICATE"; - case DDERR_NOTLOCKED: - return "DDERR_NOTLOCKED"; - case DDERR_CANTCREATEDC: - return "DDERR_CANTCREATEDC"; - case DDERR_NODC: - return "DDERR_NODC"; - case DDERR_WRONGMODE: - return "DDERR_WRONGMODE"; - case DDERR_IMPLICITLYCREATED: - return "DDERR_IMPLICITLYCREATED"; - case DDERR_NOTPALETTIZED: - return "DDERR_NOTPALETTIZED"; - case DDERR_UNSUPPORTEDMODE: - return "DDERR_UNSUPPORTEDMODE"; - case DDERR_NOMIPMAPHW: - return "DDERR_NOMIPMAPHW"; - case DDERR_INVALIDSURFACETYPE: - return "DDERR_INVALIDSURFACETYPE"; - case DDERR_DCALREADYCREATED: - return "DDERR_DCALREADYCREATED"; - case DDERR_CANTPAGELOCK: - return "DDERR_CANTPAGELOCK"; - case DDERR_CANTPAGEUNLOCK: - return "DDERR_CANTPAGEUNLOCK"; - case DDERR_NOTPAGELOCKED: - return "DDERR_NOTPAGELOCKED"; - case DDERR_NOTINITIALIZED: - return "DDERR_NOTINITIALIZED"; - } - return "Unknown Error"; -} - -static gboolean -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, - (void **) &ddrawsink->ddraw_object, &IID_IDirectDraw7, NULL); - if (hRes != DD_OK || ddrawsink->ddraw_object == NULL) { - GST_ELEMENT_ERROR (ddrawsink, RESOURCE, WRITE, - ("Failed to create the DirectDraw object error=%s", - DDErrorString (hRes)), (NULL)); - return FALSE; - } - - /* set cooperative level */ - hRes = IDirectDraw7_SetCooperativeLevel (ddrawsink->ddraw_object, - ddrawsink->video_window, DDSCL_NORMAL); - if (hRes != DD_OK) { - GST_ELEMENT_ERROR (ddrawsink, RESOURCE, WRITE, - ("Failed to set the set the cooperative level error=%s", - DDErrorString (hRes)), (NULL)); - return FALSE; - } - - /* setup the clipper object */ - hRes = IDirectDraw7_CreateClipper (ddrawsink->ddraw_object, 0, - &ddrawsink->clipper, NULL); - if (hRes == DD_OK) { - hRes = IDirectDrawClipper_SetHWnd (ddrawsink->clipper, 0, - ddrawsink->video_window); - } - - /* create our primary surface */ - if (!gst_directdraw_sink_check_primary_surface (ddrawsink)) - return FALSE; - - /* directdraw objects are setup */ - ddrawsink->setup = TRUE; - - return bRet; -} - -long FAR PASCAL -WndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) -{ - switch (message) { - case WM_ERASEBKGND: - return TRUE; - case WM_DESTROY: - PostQuitMessage (0); - break; - case WM_CLOSE: - DestroyWindow (hWnd); - return 0; - } - return DefWindowProc (hWnd, message, wParam, lParam); -} - -static gpointer -gst_directdraw_sink_window_thread (GstDirectDrawSink * ddrawsink) -{ - WNDCLASS WndClass; - - memset (&WndClass, 0, sizeof (WNDCLASS)); - WndClass.style = CS_HREDRAW | CS_VREDRAW; - WndClass.hInstance = GetModuleHandle (NULL); - WndClass.lpszClassName = "GStreamer-DirectDraw"; - WndClass.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH); - WndClass.cbClsExtra = 0; - WndClass.cbWndExtra = 0; - WndClass.lpfnWndProc = WndProc; - WndClass.hCursor = LoadCursor (NULL, IDC_ARROW); - RegisterClass (&WndClass); - - 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); - if (ddrawsink->video_window == NULL) - return FALSE; - - /* signal application we create a window */ - gst_x_overlay_got_xwindow_id (GST_X_OVERLAY (ddrawsink), - (gulong) ddrawsink->video_window); - - ReleaseSemaphore (ddrawsink->window_created_signal, 1, NULL); - - /* start message loop processing our default window messages */ - while (1) { - MSG msg; - - if (!GetMessage (&msg, ddrawsink->video_window, 0, 0)) - break; - DispatchMessage (&msg); - } - - return NULL; -} - -static gboolean -gst_directdraw_sink_create_default_window (GstDirectDrawSink * ddrawsink) -{ - ddrawsink->window_created_signal = CreateSemaphore (NULL, 0, 1, NULL); - if (ddrawsink->window_created_signal == NULL) - return FALSE; - - ddrawsink->window_thread = g_thread_create ( - (GThreadFunc) gst_directdraw_sink_window_thread, ddrawsink, TRUE, NULL); - - if (ddrawsink->window_thread == NULL) - goto failed; - - /* wait maximum 10 seconds for windows creating */ - if (WaitForSingleObject (ddrawsink->window_created_signal, - 10000) != WAIT_OBJECT_0) - goto failed; - - CloseHandle (ddrawsink->window_created_signal); - return TRUE; - -failed: - CloseHandle (ddrawsink->window_created_signal); - GST_ELEMENT_ERROR (ddrawsink, RESOURCE, WRITE, - ("Error creating our default window"), (NULL)); - - return FALSE; -} - -static gboolean -gst_directdraw_sink_check_primary_surface (GstDirectDrawSink * ddrawsink) -{ - HRESULT hres; - DDSURFACEDESC2 dd_surface_desc; - DDSURFACEDESC2 *sd; - - /* if our primary surface already exist, check if it's not lost */ - if (ddrawsink->primary_surface) { - if (IDirectDrawSurface7_IsLost (ddrawsink->primary_surface) == DD_OK) { - /* no problem with our primary surface */ - return TRUE; - } else { - /* our primary surface was lost, try to restore it */ - if (IDirectDrawSurface7_Restore (ddrawsink->primary_surface) == DD_OK) { - /* restore is done */ - GST_CAT_LOG_OBJECT (directdrawsink_debug, ddrawsink, - "Our primary surface" " was restored after lost"); - return TRUE; - } else { - /* failed to restore our primary surface, - * probably because the display mode was changed. - * Release this surface and recreate a new one. - */ - GST_CAT_LOG_OBJECT (directdrawsink_debug, ddrawsink, - "Our primary surface" - " was lost and display mode has changed. Destroy and recreate our surface."); - IDirectDrawSurface7_Release (ddrawsink->primary_surface); - ddrawsink->primary_surface = NULL; - - /* also release offscreen surface */ - IDirectDrawSurface7_Release (ddrawsink->offscreen_surface); - ddrawsink->offscreen_surface = NULL; - } - } - } - - /* create our primary surface */ - memset (&dd_surface_desc, 0, sizeof (dd_surface_desc)); - dd_surface_desc.dwSize = sizeof (dd_surface_desc); - dd_surface_desc.dwFlags = DDSD_CAPS; - dd_surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; - sd = &dd_surface_desc; - hres = - IDirectDraw7_CreateSurface (ddrawsink->ddraw_object, (DDSURFACEDESC *) sd, - &ddrawsink->primary_surface, NULL); - if (hres != DD_OK) { - GST_ELEMENT_ERROR (ddrawsink, RESOURCE, WRITE, - ("Failed to create our primary surface error=%s", DDErrorString (hres)), - (NULL)); - return FALSE; - } - - /* attach our clipper object to the new primary surface */ - if (ddrawsink->clipper) { - hres = IDirectDrawSurface7_SetClipper (ddrawsink->primary_surface, - ddrawsink->clipper); - } - - return TRUE; -} - -static gboolean -gst_directdraw_sink_check_offscreen_surface (GstDirectDrawSink * ddrawsink) -{ - DDSURFACEDESC2 dd_surface_desc; - DDSURFACEDESC2 *sd; - HRESULT hres; - - /* if our offscreen surface already exist, check if it's not lost */ - if (ddrawsink->offscreen_surface) { - if (IDirectDrawSurface7_IsLost (ddrawsink->offscreen_surface) == DD_OK) { - /* no problem with our offscreen surface */ - return TRUE; - } else { - /* our offscreen surface was lost, try to restore it */ - if (IDirectDrawSurface7_Restore (ddrawsink->offscreen_surface) == DD_OK) { - /* restore is done */ - GST_CAT_LOG_OBJECT (directdrawsink_debug, ddrawsink, - "Our offscreen surface" " was restored after lost"); - return TRUE; - } else { - /* failed to restore our offscreen surface, - * probably because the display mode was changed. - * Release this surface and recreate a new one. - */ - GST_CAT_LOG_OBJECT (directdrawsink_debug, ddrawsink, - "Our offscreen surface" - " was lost and display mode has changed. Destroy and recreate our surface."); - IDirectDrawSurface7_Release (ddrawsink->offscreen_surface); - ddrawsink->offscreen_surface = NULL; - } - } - } - - memset (&dd_surface_desc, 0, sizeof (dd_surface_desc)); - dd_surface_desc.dwSize = sizeof (dd_surface_desc); - dd_surface_desc.dwFlags = - DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT; - dd_surface_desc.dwHeight = ddrawsink->video_height; - dd_surface_desc.dwWidth = ddrawsink->video_width; - memcpy (&(dd_surface_desc.ddpfPixelFormat), &ddrawsink->dd_pixel_format, - sizeof (DDPIXELFORMAT)); - - dd_surface_desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; - sd = &dd_surface_desc; - hres = - IDirectDraw7_CreateSurface (ddrawsink->ddraw_object, (DDSURFACEDESC *) sd, - &ddrawsink->offscreen_surface, NULL); - if (hres != DD_OK) { - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "create_ddraw_surface:CreateSurface (offscreen surface for buffer_pool) failed %s", - DDErrorString (hres)); - return FALSE; - } - - ddrawsink->must_recreate_offscreen = FALSE; - - return TRUE; -} - -static int -gst_directdraw_sink_get_depth (LPDDPIXELFORMAT lpddpfPixelFormat) -{ - gint order = 0, binary; - - binary = - lpddpfPixelFormat->dwRBitMask | lpddpfPixelFormat-> - dwGBitMask | lpddpfPixelFormat->dwBBitMask | lpddpfPixelFormat-> - dwRGBAlphaBitMask; - while (binary != 0) { - if ((binary % 2) == 1) - order++; - binary = binary >> 1; - } - return order; -} - -HRESULT WINAPI -EnumModesCallback2 (LPDDSURFACEDESC lpDDSurfaceDesc, LPVOID lpContext) -{ - GstDirectDrawSink *ddrawsink = (GstDirectDrawSink *) lpContext; - GstCaps *format_caps = NULL; - LPDDSURFACEDESC2 sd; - - if (!ddrawsink || !lpDDSurfaceDesc) - return DDENUMRET_CANCEL; - - sd = (LPDDSURFACEDESC2) lpDDSurfaceDesc; - if ((sd->dwFlags & DDSD_PIXELFORMAT) != DDSD_PIXELFORMAT) { - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "Display mode found with DDSD_PIXELFORMAT not set"); - return DDENUMRET_OK; - } - - if ((sd->ddpfPixelFormat.dwFlags & DDPF_RGB) != DDPF_RGB) - return DDENUMRET_OK; - - format_caps = gst_directdraw_sink_create_caps_from_surfacedesc (sd); - - if (format_caps) { - gst_caps_append (ddrawsink->caps, format_caps); - } - - return DDENUMRET_OK; -} - -static GstCaps * -gst_directdraw_sink_create_caps_from_surfacedesc (LPDDSURFACEDESC2 desc) -{ - GstCaps *caps = NULL; - gint endianness = G_LITTLE_ENDIAN; - gint depth; - - if ((desc->ddpfPixelFormat.dwFlags & DDPF_RGB) != DDPF_RGB) - return NULL; - - depth = gst_directdraw_sink_get_depth (&desc->ddpfPixelFormat); - - if (desc->ddpfPixelFormat.dwRGBBitCount == 24 || - desc->ddpfPixelFormat.dwRGBBitCount == 32) { - /* ffmpegcolorspace handles 24/32 bpp RGB as big-endian. */ - endianness = G_BIG_ENDIAN; - desc->ddpfPixelFormat.dwRBitMask = - GUINT32_TO_BE (desc->ddpfPixelFormat.dwRBitMask); - desc->ddpfPixelFormat.dwGBitMask = - GUINT32_TO_BE (desc->ddpfPixelFormat.dwGBitMask); - desc->ddpfPixelFormat.dwBBitMask = - GUINT32_TO_BE (desc->ddpfPixelFormat.dwBBitMask); - if (desc->ddpfPixelFormat.dwRGBBitCount == 24) { - desc->ddpfPixelFormat.dwRBitMask >>= 8; - desc->ddpfPixelFormat.dwGBitMask >>= 8; - desc->ddpfPixelFormat.dwBBitMask >>= 8; - } - } - - caps = gst_caps_new_simple ("video/x-raw-rgb", - "width", GST_TYPE_INT_RANGE, 1, G_MAXINT, - "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, - "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, - "bpp", G_TYPE_INT, desc->ddpfPixelFormat.dwRGBBitCount, - "depth", G_TYPE_INT, depth, - "endianness", G_TYPE_INT, endianness, - "red_mask", G_TYPE_INT, desc->ddpfPixelFormat.dwRBitMask, - "green_mask", G_TYPE_INT, desc->ddpfPixelFormat.dwGBitMask, - "blue_mask", G_TYPE_INT, desc->ddpfPixelFormat.dwBBitMask, NULL); - - return caps; -} - -static GstCaps * -gst_directdraw_sink_get_ddrawcaps (GstDirectDrawSink * ddrawsink) -{ - HRESULT hRes = S_OK; - DDCAPS ddcaps_hardware; - DDCAPS ddcaps_emulation; - GstCaps *format_caps = NULL; - - ddrawsink->caps = gst_caps_new_empty (); - if (!ddrawsink->caps) - return FALSE; - - /* get hardware caps */ - ddcaps_hardware.dwSize = sizeof (DDCAPS); - ddcaps_emulation.dwSize = sizeof (DDCAPS); - IDirectDraw7_GetCaps (ddrawsink->ddraw_object, &ddcaps_hardware, - &ddcaps_emulation); - - /* we don't test for DDCAPS_BLTSTRETCH on the hardware as the directdraw emulation layer can do it */ - if (!(ddcaps_hardware.dwCaps & DDCAPS_BLTFOURCC)) { - DDSURFACEDESC2 surface_desc; - DDSURFACEDESC2 *sd; - - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "hardware doesn't support blit from one colorspace to another one. " - "so we will create a caps with only the current display mode"); - - /* save blit caps */ - ddrawsink->can_blit_between_colorspace = FALSE; - - surface_desc.dwSize = sizeof (surface_desc); - sd = &surface_desc; - hRes = - IDirectDraw7_GetDisplayMode (ddrawsink->ddraw_object, - (DDSURFACEDESC *) sd); - if (hRes != DD_OK) { - GST_ELEMENT_ERROR (ddrawsink, CORE, NEGOTIATION, - ("Error getting the current display mode error=%s", - DDErrorString (hRes)), (NULL)); - return NULL; - } - - format_caps = - gst_directdraw_sink_create_caps_from_surfacedesc (&surface_desc); - if (format_caps) { - gst_caps_append (ddrawsink->caps, format_caps); - } - - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, "returning caps %s", - gst_caps_to_string (ddrawsink->caps)); - return ddrawsink->caps; - } - - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "the hardware can blit from one colorspace to another, " - "then enumerate the colorspace supported by the hardware"); - - /* save blit caps */ - ddrawsink->can_blit_between_colorspace = TRUE; - - /* enumerate display modes exposed by directdraw object - to know supported RGB modes */ - hRes = - IDirectDraw7_EnumDisplayModes (ddrawsink->ddraw_object, - DDEDM_REFRESHRATES, NULL, ddrawsink, EnumModesCallback2); - if (hRes != DD_OK) { - GST_ELEMENT_ERROR (ddrawsink, CORE, NEGOTIATION, - ("Error enumerating display modes error=%s", DDErrorString (hRes)), - (NULL)); - - return NULL; - } - - if (gst_caps_is_empty (ddrawsink->caps)) { - gst_caps_unref (ddrawsink->caps); - ddrawsink->caps = NULL; - GST_ELEMENT_ERROR (ddrawsink, CORE, NEGOTIATION, - ("No supported caps found."), (NULL)); - return NULL; - } - - /*GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, "returning caps %s", gst_caps_to_string (ddrawsink->caps)); */ - - return ddrawsink->caps; -} - -/* Creates miniobject and our internal surface */ -static GstDDrawSurface * -gst_directdraw_sink_surface_create (GstDirectDrawSink * ddrawsink, - GstCaps * caps, size_t size) -{ - GstDDrawSurface *surface = NULL; - GstStructure *structure = NULL; - gint pitch; - -#if 0 - HRESULT hRes; -#endif - DDSURFACEDESC2 surf_desc, surf_lock_desc; - - g_return_val_if_fail (GST_IS_DIRECTDRAW_SINK (ddrawsink), NULL); - - /*init structures */ - memset (&surf_desc, 0, sizeof (surf_desc)); - memset (&surf_lock_desc, 0, sizeof (surf_desc)); - surf_desc.dwSize = sizeof (surf_desc); - surf_lock_desc.dwSize = sizeof (surf_lock_desc); - - /*create miniobject and initialize it */ - surface = (GstDDrawSurface *) gst_mini_object_new (GST_TYPE_DDRAWSURFACE); - surface->locked = FALSE; - - structure = gst_caps_get_structure (caps, 0); - if (!gst_structure_get_int (structure, "width", &surface->width) || - !gst_structure_get_int (structure, "height", &surface->height)) { - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "failed getting geometry from caps %" GST_PTR_FORMAT, caps); - } - - pitch = GST_ROUND_UP_8 (size / surface->height); - if (!gst_ddrawvideosink_get_format_from_caps (ddrawsink, caps, - &surface->dd_pixel_format)) { - GST_CAT_WARNING_OBJECT (directdrawsink_debug, ddrawsink, - "failed getting pixel format from caps %" GST_PTR_FORMAT, caps); - } - - /* disable return of directdraw surface to buffer alloc because actually I have no solution - * to handle display mode changes. The problem is that when the display mode is changed - * surface's memory is freed then the upstream filter would crash trying to write to this memory. - * Directdraw has a system lock (DDLOCK_NOSYSLOCK to disable it) to prevent display mode changes - * when a surface memory is locked but we need to disable this lock to return multiple buffers (surfaces) - * and do not lock directdraw API calls. - */ -#if 0 -/* if (ddrawsink->ddraw_object) {*/ - /* Creating an internal surface which will be used as GstBuffer, we used - the detected pixel format and video dimensions */ - - surf_desc.ddsCaps.dwCaps = - DDSCAPS_OFFSCREENPLAIN /* | DDSCAPS_SYSTEMMEMORY */ ; - surf_desc.dwFlags = - DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT | DDSD_PITCH; - surf_desc.dwHeight = surface->height; - surf_desc.dwWidth = surface->width; - memcpy (&(surf_desc.ddpfPixelFormat), &surface->dd_pixel_format, - sizeof (DDPIXELFORMAT)); - - hRes = IDirectDraw7_CreateSurface (ddrawsink->ddraw_object, &surf_desc, - &surface->surface, NULL); - if (hRes != DD_OK) { - goto surface_pitch_bad; - } - - /* Locking the surface to acquire the memory pointer. - Use DDLOCK_NOSYSLOCK to disable syslock which can cause a deadlock - if directdraw api is used while a buffer is lock */ -lock: - hRes = IDirectDrawSurface7_Lock (surface->surface, NULL, &surf_lock_desc, - DDLOCK_WAIT | DDLOCK_NOSYSLOCK, NULL); - if (hRes == DDERR_SURFACELOST) { - IDirectDrawSurface7_Restore (surface->surface); - goto lock; - } - surface->locked = TRUE; - - if (surf_lock_desc.lPitch != pitch) { - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "DDraw stride/pitch %ld isn't as expected value %d, let's continue allocating a system memory buffer.", - surf_lock_desc.lPitch, pitch); - - /*Unlock the surface as we will change it to use system memory with a GStreamer compatible pitch */ - hRes = IDirectDrawSurface_Unlock (surface->surface, NULL); - goto surface_pitch_bad; - } - GST_BUFFER_DATA (surface) = surf_lock_desc.lpSurface; - GST_BUFFER_SIZE (surface) = surf_lock_desc.lPitch * surface->height; - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "allocating a surface of %d bytes (stride=%ld)\n", size, - surf_lock_desc.lPitch); - -surface_pitch_bad: -#else - GST_BUFFER (surface)->malloc_data = g_malloc (size); - GST_BUFFER_DATA (surface) = GST_BUFFER (surface)->malloc_data; - GST_BUFFER_SIZE (surface) = size; - surface->surface = NULL; - GST_CAT_INFO_OBJECT (directdrawsink_debug, ddrawsink, - "allocating a system memory buffer of %d bytes", size); - -#endif - - /* Keep a ref to our sink */ - surface->ddrawsink = gst_object_ref (ddrawsink); - - return surface; -} - -/* We are called from the finalize method of miniobject, the object will be - * destroyed so we just have to clean our internal stuff */ -static void -gst_directdraw_sink_surface_destroy (GstDirectDrawSink * ddrawsink, - GstDDrawSurface * surface) -{ - g_return_if_fail (GST_IS_DIRECTDRAW_SINK (ddrawsink)); - - /* Release our internal surface */ - if (surface->surface) { - if (surface->locked) { - IDirectDrawSurface7_Unlock (surface->surface, NULL); - surface->locked = FALSE; - } - IDirectDrawSurface7_Release (surface->surface); - surface->surface = NULL; - } - - if (GST_BUFFER (surface)->malloc_data) { - g_free (GST_BUFFER (surface)->malloc_data); - GST_BUFFER (surface)->malloc_data = NULL; - } - - if (!surface->ddrawsink) { - goto no_sink; - } - - /* Release the ref to our sink */ - surface->ddrawsink = NULL; - gst_object_unref (ddrawsink); - - return; - -no_sink: - GST_WARNING ("no sink found in surface"); - return; -} - -static gboolean -gst_directdraw_sink_surface_check (GstDirectDrawSink * ddrawsink, - GstDDrawSurface * surface) -{ - if (!surface->surface) - return TRUE; /* system memory buffer */ - - if (IDirectDrawSurface7_IsLost (surface->surface) == DD_OK) { - /* no problem with this surface */ - return TRUE; - } else { - /* this surface was lost, try to restore it */ - if (IDirectDrawSurface7_Restore (ddrawsink->offscreen_surface) == DD_OK) { - /* restore is done */ - GST_CAT_LOG_OBJECT (directdrawsink_debug, ddrawsink, "A surface from our" - " bufferpool was restored after lost"); - return TRUE; - } - } - - return FALSE; -} - -static void -gst_directdraw_sink_bufferpool_clear (GstDirectDrawSink * ddrawsink) -{ - g_mutex_lock (ddrawsink->pool_lock); - while (ddrawsink->buffer_pool) { - GstDDrawSurface *surface = ddrawsink->buffer_pool->data; - - ddrawsink->buffer_pool = g_slist_delete_link (ddrawsink->buffer_pool, - ddrawsink->buffer_pool); - gst_directdraw_sink_surface_destroy (ddrawsink, surface); - } - g_mutex_unlock (ddrawsink->pool_lock); -} - -static void -gst_directdraw_sink_cleanup (GstDirectDrawSink * ddrawsink) -{ - /* Post quit message and wait for our event window thread */ - if (ddrawsink->video_window && ddrawsink->our_video_window) - PostMessage (ddrawsink->video_window, WM_QUIT, 0, 0); - - if (ddrawsink->window_thread) { - g_thread_join (ddrawsink->window_thread); - ddrawsink->window_thread = NULL; - } - - if (ddrawsink->buffer_pool) { - gst_directdraw_sink_bufferpool_clear (ddrawsink); - ddrawsink->buffer_pool = NULL; - } - - if (ddrawsink->offscreen_surface) { - IDirectDrawSurface7_Release (ddrawsink->offscreen_surface); - ddrawsink->offscreen_surface = NULL; - } - - if (ddrawsink->clipper) { - IDirectDrawClipper_Release (ddrawsink->clipper); - ddrawsink->clipper = NULL; - } - - if (ddrawsink->primary_surface) { - IDirectDrawSurface7_Release (ddrawsink->primary_surface); - ddrawsink->primary_surface = NULL; - } - - if (ddrawsink->ddraw_object) { - IDirectDraw7_Release (ddrawsink->ddraw_object); - ddrawsink->ddraw_object = NULL; - } - - if (ddrawsink->last_buffer) { - gst_buffer_unref (ddrawsink->last_buffer); - ddrawsink->last_buffer = NULL; - } - - ddrawsink->setup = FALSE; -} |