mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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2450 lines
74 KiB
C
2450 lines
74 KiB
C
/* GStreamer
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* Copyright (C) 2010-2011 David Hoyt <dhoyt@hoytsoft.org>
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* Copyright (C) 2010 Andoni Morales <ylatuya@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "d3dvideosink.h"
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#define IPC_SET_WINDOW 1
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#define IDT_DEVICELOST 1
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/* Provide access to data that will be shared among all instantiations of this element */
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#define GST_D3DVIDEOSINK_SHARED_D3D_LOCK g_static_mutex_lock (&shared_d3d_lock)
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#define GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK g_static_mutex_unlock (&shared_d3d_lock)
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#define GST_D3DVIDEOSINK_SHARED_D3D_HOOK_LOCK g_static_mutex_lock (&shared_d3d_hook_lock)
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#define GST_D3DVIDEOSINK_SHARED_D3D_HOOK_UNLOCK g_static_mutex_unlock (&shared_d3d_hook_lock)
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typedef struct _GstD3DVideoSinkShared GstD3DVideoSinkShared;
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struct _GstD3DVideoSinkShared
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{
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LPDIRECT3D9 d3d;
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D3DCAPS9 d3dcaps;
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GList *element_list;
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gint32 element_count;
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gboolean device_lost;
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UINT_PTR device_lost_timer;
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GstD3DVideoSink *device_lost_sink;
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HWND hidden_window_handle;
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HANDLE hidden_window_created_signal;
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GThread *hidden_window_thread;
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GHashTable *hook_tbl;
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};
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typedef struct _GstD3DVideoSinkHookData GstD3DVideoSinkHookData;
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struct _GstD3DVideoSinkHookData
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{
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HHOOK hook;
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HWND window_handle;
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DWORD thread_id;
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DWORD process_id;
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};
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/* Holds our shared information */
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static GstD3DVideoSinkShared shared;
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/* Define a shared lock to synchronize the creation/destruction of the d3d device */
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static GStaticMutex shared_d3d_lock = G_STATIC_MUTEX_INIT;
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static GStaticMutex shared_d3d_hook_lock = G_STATIC_MUTEX_INIT;
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/* Hold a reference to our dll's HINSTANCE */
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static HINSTANCE g_hinstDll = NULL;
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typedef struct _IPCData IPCData;
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struct _IPCData
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{
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HWND hwnd;
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LONG_PTR wnd_proc;
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};
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/* Holds data that may be used to communicate across processes */
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/*static IPCData ipc_data;*/
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/*static COPYDATASTRUCT ipc_cds;*/
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GST_DEBUG_CATEGORY (d3dvideosink_debug);
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#define GST_CAT_DEFAULT d3dvideosink_debug
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw, "
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"format = (string) { I420, YV12, YUY2, UYVY, BGRx, BGRA, NV12 }, "
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"framerate = (fraction) [ 0, MAX ], "
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"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]")
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);
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static void gst_d3dvideosink_navigation_init (GstNavigationInterface * iface);
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static void gst_d3dvideosink_video_overlay_init (GstVideoOverlayInterface *
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iface);
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#define gst_d3dvideosink_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstD3DVideoSink, gst_d3dvideosink, GST_TYPE_VIDEO_SINK,
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G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
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gst_d3dvideosink_navigation_init);
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G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY,
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gst_d3dvideosink_video_overlay_init));
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enum
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{
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PROP_0, PROP_KEEP_ASPECT_RATIO, PROP_PIXEL_ASPECT_RATIO,
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PROP_ENABLE_NAVIGATION_EVENTS, PROP_LAST
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};
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/* GObject methods */
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static void gst_d3dvideosink_finalize (GObject * gobject);
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static void gst_d3dvideosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_d3dvideosink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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/* GstElement methods */
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static GstStateChangeReturn gst_d3dvideosink_change_state (GstElement * element,
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GstStateChange transition);
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/* GstBaseSink methods */
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static gboolean gst_d3dvideosink_start (GstBaseSink * bsink);
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static gboolean gst_d3dvideosink_stop (GstBaseSink * bsink);
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static gboolean gst_d3dvideosink_set_caps (GstBaseSink * bsink, GstCaps * caps);
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static GstCaps *gst_d3dvideosink_get_caps (GstBaseSink * bsink,
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GstCaps * filter);
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static GstFlowReturn gst_d3dvideosink_show_frame (GstVideoSink * sink,
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GstBuffer * buffer);
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/* GstVideoOverlay methods */
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static void gst_d3dvideosink_set_window_handle (GstVideoOverlay * overlay,
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guintptr window_id);
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static void gst_d3dvideosink_expose (GstVideoOverlay * overlay);
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/* GstNavigation methods */
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static void gst_d3dvideosink_navigation_send_event (GstNavigation * navigation,
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GstStructure * structure);
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/* WndProc methods */
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LRESULT APIENTRY WndProc (HWND hWnd, UINT message, WPARAM wParam,
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LPARAM lParam);
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LRESULT APIENTRY SharedHiddenWndProc (HWND hWnd, UINT message, WPARAM wParam,
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LPARAM lParam);
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static void gst_d3dvideosink_wnd_proc (GstD3DVideoSink * sink, HWND hWnd,
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UINT message, WPARAM wParam, LPARAM lParam);
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/* HookProc methods */
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LRESULT APIENTRY WndProcHook (HWND hWnd, UINT message, WPARAM wParam,
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LPARAM lParam);
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LRESULT CALLBACK gst_d3dvideosink_hook_proc (int nCode, WPARAM wParam,
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LPARAM lParam);
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/* Paint/update methods */
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static void gst_d3dvideosink_update (GstBaseSink * bsink);
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static gboolean gst_d3dvideosink_refresh (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_update_all (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_refresh_all (GstD3DVideoSink * sink);
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static void gst_d3dvideosink_stretch (GstD3DVideoSink * sink,
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LPDIRECT3DSURFACE9 backBuffer);
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/* Misc methods */
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BOOL WINAPI D3dDllMain (HINSTANCE hinstDll, DWORD fdwReason, PVOID fImpLoad);
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static void gst_d3dvideosink_remove_window_for_renderer (GstD3DVideoSink *
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sink);
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static gboolean gst_d3dvideosink_initialize_direct3d (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_initialize_d3d_device (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_notify_device_init (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_notify_device_lost (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_notify_device_reset (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_notify_device_reinit (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_device_lost (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_release_d3d_device (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_release_direct3d (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_window_size (GstD3DVideoSink * sink,
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gint * width, gint * height);
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static gboolean gst_d3dvideosink_direct3d_supported (GstD3DVideoSink * sink);
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static gboolean gst_d3dvideosink_shared_hidden_window_thread (GstD3DVideoSink *
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sink);
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static void gst_d3dvideosink_flush_gpu (GstD3DVideoSink * sink);
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static void gst_d3dvideosink_hook_window_for_renderer (GstD3DVideoSink * sink);
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static void gst_d3dvideosink_unhook_window_for_renderer (GstD3DVideoSink *
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sink);
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static void gst_d3dvideosink_unhook_all_windows (void);
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static void gst_d3dvideosink_log_debug (const gchar * file,
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const gchar * function, gint line, const gchar * format, va_list args);
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static void gst_d3dvideosink_log_warning (const gchar * file,
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const gchar * function, gint line, const gchar * format, va_list args);
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static void gst_d3dvideosink_log_error (const gchar * file,
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const gchar * function, gint line, const gchar * format, va_list args);
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static void gst_d3dvideosink_set_window_for_renderer (GstD3DVideoSink * sink);
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static DirectXInitParams directx_init_params = {
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gst_d3dvideosink_log_debug, gst_d3dvideosink_log_warning,
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gst_d3dvideosink_log_error
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};
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/* TODO: event, preroll, buffer_alloc?
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* buffer_alloc won't generally be all that useful because the renderers require a
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* different stride to GStreamer's implicit values.
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*/
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BOOL WINAPI
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D3dDllMain (HINSTANCE hinstDll, DWORD fdwReason, PVOID fImpLoad)
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{
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switch (fdwReason) {
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case DLL_PROCESS_ATTACH:
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g_hinstDll = hinstDll;
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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gst_d3dvideosink_unhook_all_windows ();
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break;
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}
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return TRUE;
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}
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static void
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gst_d3dvideosink_video_overlay_init (GstVideoOverlayInterface * iface)
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{
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iface->set_window_handle = gst_d3dvideosink_set_window_handle;
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iface->expose = gst_d3dvideosink_expose;
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}
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static void
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gst_d3dvideosink_navigation_init (GstNavigationInterface * iface)
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{
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iface->send_event = gst_d3dvideosink_navigation_send_event;
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}
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static void
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gst_d3dvideosink_class_init (GstD3DVideoSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseSinkClass *gstbasesink_class;
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GstVideoSinkClass *gstvideosink_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasesink_class = (GstBaseSinkClass *) klass;
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gstvideosink_class = (GstVideoSinkClass *) klass;
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_d3dvideosink_finalize);
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gobject_class->set_property =
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GST_DEBUG_FUNCPTR (gst_d3dvideosink_set_property);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_d3dvideosink_get_property);
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_d3dvideosink_change_state);
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gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_d3dvideosink_get_caps);
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gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_d3dvideosink_set_caps);
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gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_d3dvideosink_start);
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gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_d3dvideosink_stop);
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/*gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_d3dvideosink_unlock); */
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/*gstbasesink_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_d3dvideosink_unlock_stop); */
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gstvideosink_class->show_frame =
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GST_DEBUG_FUNCPTR (gst_d3dvideosink_show_frame);
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/* Add properties */
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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PROP_KEEP_ASPECT_RATIO, g_param_spec_boolean ("force-aspect-ratio",
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"Force aspect ratio",
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"When enabled, scaling will respect original aspect ratio", TRUE,
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(GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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PROP_PIXEL_ASPECT_RATIO, g_param_spec_string ("pixel-aspect-ratio",
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"Pixel Aspect Ratio",
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"The pixel aspect ratio of the device", "1/1",
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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PROP_ENABLE_NAVIGATION_EVENTS,
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g_param_spec_boolean ("enable-navigation-events",
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"Enable navigation events",
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"When enabled, navigation events are sent upstream", TRUE,
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(GParamFlags) G_PARAM_READWRITE));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_set_static_metadata (gstelement_class,
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"Direct3D video sink", "Sink/Video",
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"Display data using a Direct3D video renderer",
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"David Hoyt <dhoyt@hoytsoft.org>");
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/* Initialize DirectX abstraction */
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GST_DEBUG ("Initializing DirectX abstraction layer");
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directx_initialize (&directx_init_params);
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/* Initialize DirectX API */
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if (!directx_initialize_best_available_api ())
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GST_DEBUG ("Unable to initialize DirectX");
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/* Determine DirectX version */
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klass->directx_api = directx_get_best_available_api ();
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klass->directx_version =
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(klass->directx_api !=
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NULL ? klass->directx_api->version : DIRECTX_VERSION_UNKNOWN);
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klass->is_directx_supported = directx_is_supported ();
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}
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static void
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gst_d3dvideosink_clear (GstD3DVideoSink * sink)
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{
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sink->enable_navigation_events = TRUE;
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sink->keep_aspect_ratio = FALSE;
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sink->window_closed = FALSE;
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sink->window_handle = NULL;
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sink->is_new_window = FALSE;
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sink->is_hooked = FALSE;
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}
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static void
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gst_d3dvideosink_init (GstD3DVideoSink * sink)
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{
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gst_d3dvideosink_clear (sink);
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g_mutex_init (&sink->d3d_device_lock);
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sink->par = g_new0 (GValue, 1);
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g_value_init (sink->par, GST_TYPE_FRACTION);
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gst_value_set_fraction (sink->par, 1, 1);
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/* TODO: Copied from GstVideoSink; should we use that as base class? */
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/* 20ms is more than enough, 80-130ms is noticable */
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gst_base_sink_set_max_lateness (GST_BASE_SINK (sink), 20 * GST_MSECOND);
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gst_base_sink_set_qos_enabled (GST_BASE_SINK (sink), TRUE);
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}
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static void
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gst_d3dvideosink_finalize (GObject * gobject)
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{
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GstD3DVideoSink *sink = GST_D3DVIDEOSINK (gobject);
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if (sink->par) {
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g_free (sink->par);
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sink->par = NULL;
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}
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g_mutex_clear (&sink->d3d_device_lock);
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G_OBJECT_CLASS (parent_class)->finalize (gobject);
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}
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static void
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gst_d3dvideosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstD3DVideoSink *sink = GST_D3DVIDEOSINK (object);
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switch (prop_id) {
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case PROP_ENABLE_NAVIGATION_EVENTS:
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sink->enable_navigation_events = g_value_get_boolean (value);
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break;
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case PROP_KEEP_ASPECT_RATIO:
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sink->keep_aspect_ratio = g_value_get_boolean (value);
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break;
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case PROP_PIXEL_ASPECT_RATIO:
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g_free (sink->par);
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sink->par = g_new0 (GValue, 1);
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g_value_init (sink->par, GST_TYPE_FRACTION);
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if (!g_value_transform (value, sink->par)) {
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g_warning ("Could not transform string to aspect ratio");
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gst_value_set_fraction (sink->par, 1, 1);
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}
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GST_DEBUG_OBJECT (sink, "set PAR to %d/%d",
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gst_value_get_fraction_numerator (sink->par),
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gst_value_get_fraction_denominator (sink->par));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_d3dvideosink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstD3DVideoSink *sink = GST_D3DVIDEOSINK (object);
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switch (prop_id) {
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case PROP_ENABLE_NAVIGATION_EVENTS:
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g_value_set_boolean (value, sink->enable_navigation_events);
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break;
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case PROP_KEEP_ASPECT_RATIO:
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g_value_set_boolean (value, sink->keep_aspect_ratio);
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break;
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case PROP_PIXEL_ASPECT_RATIO:
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g_value_transform (sink->par, value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GstCaps *
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gst_d3dvideosink_get_device_caps (GstBaseSink * basesink, D3DDISPLAYMODE d3ddm)
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{
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GstD3DVideoSink *sink = GST_D3DVIDEOSINK (basesink);
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gint i;
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GstCaps *caps;
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GstCaps *c;
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caps = gst_caps_new_empty ();
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c = gst_caps_normalize (gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD
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(sink)));
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|
|
|
for (i = 0; i < gst_caps_get_size (c); i++) {
|
|
GstStructure *stru;
|
|
stru = gst_caps_get_structure (c, i);
|
|
if (gst_structure_has_name (stru, "video/x-raw")) {
|
|
GstVideoFormat format;
|
|
const gchar *s;
|
|
D3DFORMAT d3dfourcc = 0;
|
|
s = gst_structure_get_string (stru, "format");
|
|
format = gst_video_format_from_string (s);
|
|
switch (format) {
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
case GST_VIDEO_FORMAT_I420:
|
|
d3dfourcc = (D3DFORMAT) MAKEFOURCC ('Y', 'V', '1', '2');
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGB:
|
|
d3dfourcc = D3DFMT_R8G8B8;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
d3dfourcc = D3DFMT_A8R8G8B8;
|
|
break;
|
|
case GST_VIDEO_FORMAT_xRGB:
|
|
d3dfourcc = D3DFMT_X8R8G8B8;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGB16:
|
|
d3dfourcc = D3DFMT_R5G6B5;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
d3dfourcc = D3DFMT_A8B8G8R8;
|
|
break;
|
|
case GST_VIDEO_FORMAT_xBGR:
|
|
d3dfourcc = D3DFMT_X8B8G8R8;
|
|
break;
|
|
case GST_VIDEO_FORMAT_GRAY8:
|
|
d3dfourcc = D3DFMT_L8;
|
|
break;
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
d3dfourcc = D3DFMT_UYVY;
|
|
break;
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
d3dfourcc = D3DFMT_YUY2;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (d3dfourcc == 0)
|
|
continue;
|
|
if (SUCCEEDED (IDirect3D9_CheckDeviceFormat (shared.d3d,
|
|
D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, d3ddm.Format, 0,
|
|
D3DRTYPE_SURFACE, d3dfourcc))) {
|
|
/* hw supports this format */
|
|
gst_caps_append (caps, gst_caps_copy_nth (c, i));
|
|
}
|
|
}
|
|
}
|
|
|
|
gst_caps_unref (c);
|
|
return caps;
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_d3dvideosink_get_caps (GstBaseSink * basesink, GstCaps * filter)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (basesink);
|
|
GstCaps *caps;
|
|
|
|
/* restrict caps based on the hw capabilities */
|
|
if (shared.d3d) {
|
|
D3DDISPLAYMODE d3ddm;
|
|
if (FAILED (IDirect3D9_GetAdapterDisplayMode (shared.d3d,
|
|
D3DADAPTER_DEFAULT, &d3ddm))) {
|
|
GST_WARNING ("Unable to request adapter display mode");
|
|
caps = gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (sink));
|
|
} else {
|
|
caps = gst_d3dvideosink_get_device_caps (basesink, d3ddm);
|
|
}
|
|
} else {
|
|
caps = gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (sink));
|
|
if (filter) {
|
|
GstCaps *intersection;
|
|
|
|
intersection =
|
|
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
|
|
gst_caps_unref (caps);
|
|
caps = intersection;
|
|
}
|
|
}
|
|
return caps;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_close_window (GstD3DVideoSink * sink)
|
|
{
|
|
if (!sink || !sink->window_handle)
|
|
return;
|
|
|
|
if (!sink->is_new_window) {
|
|
gst_d3dvideosink_remove_window_for_renderer (sink);
|
|
return;
|
|
}
|
|
|
|
SendMessage (sink->window_handle, WM_CLOSE, (WPARAM) NULL, (WPARAM) NULL);
|
|
g_thread_join (sink->window_thread);
|
|
sink->is_new_window = FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_create_shared_hidden_window (GstD3DVideoSink * sink)
|
|
{
|
|
GST_DEBUG ("Creating Direct3D hidden window");
|
|
|
|
shared.hidden_window_created_signal = CreateSemaphore (NULL, 0, 1, NULL);
|
|
if (shared.hidden_window_created_signal == NULL)
|
|
goto failed;
|
|
|
|
shared.hidden_window_thread = g_thread_try_new ("shared hidden window thread",
|
|
(GThreadFunc) gst_d3dvideosink_shared_hidden_window_thread, sink, NULL);
|
|
|
|
/* wait maximum 60 seconds for window to be created */
|
|
if (WaitForSingleObject (shared.hidden_window_created_signal,
|
|
60000) != WAIT_OBJECT_0)
|
|
goto failed;
|
|
|
|
CloseHandle (shared.hidden_window_created_signal);
|
|
|
|
GST_DEBUG ("Successfully created Direct3D hidden window, handle: %p",
|
|
shared.hidden_window_handle);
|
|
|
|
return (shared.hidden_window_handle != NULL);
|
|
|
|
failed:
|
|
CloseHandle (shared.hidden_window_created_signal);
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
|
|
("Error creating Direct3D hidden window"), (NULL));
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_shared_hidden_window_created (GstD3DVideoSink * sink)
|
|
{
|
|
/* Should only be called from the shared window thread. */
|
|
ReleaseSemaphore (shared.hidden_window_created_signal, 1, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_shared_hidden_window_thread (GstD3DVideoSink * sink)
|
|
{
|
|
WNDCLASS WndClass;
|
|
HWND hWnd;
|
|
MSG msg;
|
|
|
|
memset (&WndClass, 0, sizeof (WNDCLASS));
|
|
WndClass.hInstance = GetModuleHandle (NULL);
|
|
WndClass.lpszClassName = TEXT ("GST-Shared-Hidden-D3DSink");
|
|
WndClass.lpfnWndProc = SharedHiddenWndProc;
|
|
if (!RegisterClass (&WndClass)) {
|
|
GST_ERROR ("Unable to register Direct3D hidden window class");
|
|
return FALSE;
|
|
}
|
|
|
|
hWnd = CreateWindowEx (0, WndClass.lpszClassName,
|
|
TEXT ("GStreamer Direct3D hidden window"),
|
|
WS_POPUP, 0, 0, 1, 1, HWND_MESSAGE, NULL, WndClass.hInstance, sink);
|
|
|
|
if (hWnd == NULL) {
|
|
GST_ERROR_OBJECT (sink, "Failed to create Direct3D hidden window");
|
|
goto error;
|
|
}
|
|
|
|
GST_DEBUG ("Direct3D hidden window handle: %p", hWnd);
|
|
|
|
shared.hidden_window_handle = hWnd;
|
|
shared.device_lost_timer = 0;
|
|
shared.device_lost = FALSE;
|
|
|
|
gst_d3dvideosink_shared_hidden_window_created (sink);
|
|
|
|
GST_DEBUG ("Entering Direct3D hidden window message loop");
|
|
|
|
/* start message loop processing */
|
|
while (TRUE) {
|
|
while (GetMessage (&msg, NULL, 0, 0)) {
|
|
TranslateMessage (&msg);
|
|
DispatchMessage (&msg);
|
|
}
|
|
|
|
if (msg.message == WM_QUIT || msg.message == WM_CLOSE)
|
|
break;
|
|
}
|
|
|
|
GST_DEBUG ("Leaving Direct3D hidden window message loop");
|
|
|
|
/*success:*/
|
|
/* Kill the device lost timer if it's running */
|
|
if (shared.device_lost_timer != 0)
|
|
KillTimer (hWnd, shared.device_lost_timer);
|
|
UnregisterClass (WndClass.lpszClassName, WndClass.hInstance);
|
|
|
|
shared.device_lost_timer = 0;
|
|
return TRUE;
|
|
|
|
error:
|
|
/* Kill the device lost timer if it's running */
|
|
if (shared.device_lost_timer != 0)
|
|
KillTimer (hWnd, shared.device_lost_timer);
|
|
if (hWnd)
|
|
DestroyWindow (hWnd);
|
|
UnregisterClass (WndClass.lpszClassName, WndClass.hInstance);
|
|
|
|
shared.hidden_window_handle = NULL;
|
|
shared.device_lost_timer = 0;
|
|
|
|
ReleaseSemaphore (shared.hidden_window_created_signal, 1, NULL);
|
|
return FALSE;
|
|
}
|
|
|
|
LRESULT APIENTRY
|
|
SharedHiddenWndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
GstD3DVideoSink *sink;
|
|
|
|
/* lParam holds pointer to the sink. */
|
|
|
|
sink = (GstD3DVideoSink *) lParam;
|
|
switch (message) {
|
|
case WM_DIRECTX_D3D_INIT_DEVICE:
|
|
{
|
|
shared.device_lost_sink = NULL;
|
|
GST_DEBUG ("Initializing Direct3D");
|
|
if (!gst_d3dvideosink_initialize_d3d_device (sink))
|
|
gst_d3dvideosink_notify_device_lost (sink);
|
|
else
|
|
GST_DEBUG ("Direct3D initialization complete");
|
|
break;
|
|
|
|
}
|
|
case WM_DIRECTX_D3D_INIT_DEVICELOST:
|
|
{
|
|
if (shared.device_lost)
|
|
break;
|
|
|
|
shared.device_lost = TRUE;
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_LOCK (sink);
|
|
|
|
|
|
/* Handle device lost by creating a timer and posting WM_D3D_DEVICELOST twice a second */
|
|
/* Create a timer to periodically check the d3d device and attempt to recreate it */
|
|
shared.device_lost_timer = SetTimer (hWnd, IDT_DEVICELOST, 500, NULL);
|
|
shared.device_lost_sink = sink;
|
|
|
|
/* Try it once immediately */
|
|
SendMessage (hWnd, WM_DIRECTX_D3D_DEVICELOST, 0, (LPARAM) sink);
|
|
break;
|
|
}
|
|
case WM_TIMER:
|
|
{
|
|
/* Did we receive a message to check if the device is available again? */
|
|
if (wParam == IDT_DEVICELOST) {
|
|
/* This will synchronously call SharedHiddenWndProc() because this thread is the one that created the window. */
|
|
SendMessage (hWnd, WM_DIRECTX_D3D_DEVICELOST, 0,
|
|
(LPARAM) shared.device_lost_sink);
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
case WM_DIRECTX_D3D_DEVICELOST:
|
|
{
|
|
return gst_d3dvideosink_device_lost (sink);
|
|
}
|
|
case WM_DIRECTX_D3D_END_DEVICELOST:
|
|
{
|
|
if (!shared.device_lost)
|
|
break;
|
|
|
|
/* gst_d3dvideosink_notify_device_reset() sends this message. */
|
|
if (shared.device_lost_timer != 0)
|
|
KillTimer (hWnd, shared.device_lost_timer);
|
|
|
|
shared.device_lost_timer = 0;
|
|
shared.device_lost = FALSE;
|
|
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
|
|
/* Refresh the video with the last buffer */
|
|
gst_d3dvideosink_update_all (sink);
|
|
|
|
/* Then redraw just in case we don't have a last buffer */
|
|
gst_d3dvideosink_refresh_all (sink);
|
|
|
|
shared.device_lost_sink = NULL;
|
|
break;
|
|
}
|
|
case WM_DESTROY:
|
|
{
|
|
PostQuitMessage (0);
|
|
return 0;
|
|
}
|
|
case WM_DIRECTX_D3D_RESIZE:
|
|
{
|
|
return gst_d3dvideosink_device_lost (sink);
|
|
}
|
|
}
|
|
|
|
return DefWindowProc (hWnd, message, wParam, lParam);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_close_shared_hidden_window (GstD3DVideoSink * sink)
|
|
{
|
|
if (!shared.hidden_window_handle)
|
|
return;
|
|
|
|
SendMessage (shared.hidden_window_handle, WM_CLOSE, (WPARAM) NULL,
|
|
(WPARAM) NULL);
|
|
if (shared.hidden_window_thread) {
|
|
g_thread_join (shared.hidden_window_thread);
|
|
shared.hidden_window_thread = NULL;
|
|
}
|
|
shared.hidden_window_handle = NULL;
|
|
|
|
GST_DEBUG ("Successfully closed Direct3D hidden window");
|
|
}
|
|
|
|
/* WNDPROC for application-supplied windows */
|
|
LRESULT APIENTRY
|
|
WndProcHook (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
/* Handle certain actions specially on the window passed to us.
|
|
* Then forward back to the original window.
|
|
*/
|
|
GstD3DVideoSink *sink =
|
|
(GstD3DVideoSink *) GetProp (hWnd, TEXT ("GstD3DVideoSink"));
|
|
|
|
if (!sink)
|
|
return FALSE;
|
|
|
|
switch (message) {
|
|
case WM_ERASEBKGND:
|
|
return TRUE;
|
|
case WM_COPYDATA:
|
|
{
|
|
gst_d3dvideosink_wnd_proc (sink, hWnd, message, wParam, lParam);
|
|
return TRUE;
|
|
}
|
|
case WM_PAINT:
|
|
{
|
|
LRESULT ret;
|
|
ret = CallWindowProc (sink->prevWndProc, hWnd, message, wParam, lParam);
|
|
/* Call this afterwards to ensure that our paint happens last */
|
|
gst_d3dvideosink_wnd_proc (sink, hWnd, message, wParam, lParam);
|
|
return ret;
|
|
}
|
|
default:
|
|
{
|
|
/* Check it */
|
|
gst_d3dvideosink_wnd_proc (sink, hWnd, message, wParam, lParam);
|
|
return CallWindowProc (sink->prevWndProc, hWnd, message, wParam, lParam);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* WndProc for our default window, if the application didn't supply one */
|
|
LRESULT APIENTRY
|
|
WndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
GstD3DVideoSink *sink;
|
|
|
|
if (message == WM_CREATE) {
|
|
/* lParam holds a pointer to a CREATESTRUCT instance which in turn holds the parameter used when creating the window. */
|
|
GstD3DVideoSink *sink =
|
|
(GstD3DVideoSink *) ((LPCREATESTRUCT) lParam)->lpCreateParams;
|
|
|
|
/* In our case, this is a pointer to the sink. So we immediately attach it for use in subsequent calls. */
|
|
SetWindowLongPtr (hWnd, GWLP_USERDATA, (LONG_PTR) sink);
|
|
|
|
/* signal application we created a window */
|
|
gst_video_overlay_got_window_handle (GST_VIDEO_OVERLAY (sink),
|
|
(guintptr) hWnd);
|
|
}
|
|
|
|
|
|
sink = (GstD3DVideoSink *) GetWindowLongPtr (hWnd, GWLP_USERDATA);
|
|
gst_d3dvideosink_wnd_proc (sink, hWnd, message, wParam, lParam);
|
|
|
|
switch (message) {
|
|
case WM_ERASEBKGND:
|
|
case WM_COPYDATA:
|
|
return TRUE;
|
|
|
|
case WM_DESTROY:
|
|
{
|
|
PostQuitMessage (0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return DefWindowProc (hWnd, message, wParam, lParam);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_wnd_proc (GstD3DVideoSink * sink, HWND hWnd, UINT message,
|
|
WPARAM wParam, LPARAM lParam)
|
|
{
|
|
if (!sink)
|
|
return;
|
|
switch (message) {
|
|
case WM_COPYDATA:
|
|
{
|
|
PCOPYDATASTRUCT p_ipc_cds;
|
|
p_ipc_cds = (PCOPYDATASTRUCT) lParam;
|
|
switch (p_ipc_cds->dwData) {
|
|
case IPC_SET_WINDOW:
|
|
{
|
|
IPCData *p_ipc_data;
|
|
p_ipc_data = (IPCData *) p_ipc_cds->dwData;
|
|
|
|
GST_DEBUG ("Received IPC call to subclass the window handler");
|
|
|
|
sink->window_handle = p_ipc_data->hwnd;
|
|
sink->prevWndProc =
|
|
(WNDPROC) SetWindowLongPtr (sink->window_handle, GWLP_WNDPROC,
|
|
(LONG_PTR) p_ipc_data->wnd_proc);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case WM_PAINT:
|
|
{
|
|
gst_d3dvideosink_refresh (sink);
|
|
break;
|
|
}
|
|
case WM_CLOSE:
|
|
case WM_DESTROY:
|
|
{
|
|
sink->window_closed = TRUE;
|
|
//GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND, ("Output window was closed"), (NULL));
|
|
break;
|
|
}
|
|
case WM_CHAR:
|
|
case WM_KEYDOWN:
|
|
case WM_KEYUP:
|
|
{
|
|
if (!sink->enable_navigation_events)
|
|
break;
|
|
}
|
|
{
|
|
gunichar2 wcrep[128];
|
|
if (GetKeyNameTextW (lParam, (LPWSTR) 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 (sink), "key-press",
|
|
utfrep);
|
|
if (message == WM_CHAR || message == WM_KEYUP)
|
|
gst_navigation_send_key_event (GST_NAVIGATION (sink),
|
|
"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:
|
|
{
|
|
if (!sink->enable_navigation_events)
|
|
break;
|
|
}
|
|
{
|
|
gint x, y, button;
|
|
const 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;
|
|
action = NULL;
|
|
break;
|
|
}
|
|
|
|
x = LOWORD (lParam);
|
|
y = HIWORD (lParam);
|
|
|
|
if (button == 0) {
|
|
GST_DEBUG_OBJECT (sink, "Mouse moved to %dx%d", x, y);
|
|
} else
|
|
GST_DEBUG_OBJECT (sink, "Mouse button %d pressed at %dx%d", button, x,
|
|
y);
|
|
|
|
if (button < 4)
|
|
gst_navigation_send_mouse_event (GST_NAVIGATION (sink), action,
|
|
button, x, y);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static gpointer
|
|
gst_d3dvideosink_window_thread (GstD3DVideoSink * sink)
|
|
{
|
|
WNDCLASS WndClass;
|
|
int width, height;
|
|
int offx, offy;
|
|
DWORD exstyle, style;
|
|
HWND video_window;
|
|
RECT rect;
|
|
int screenwidth;
|
|
int screenheight;
|
|
MSG msg;
|
|
|
|
memset (&WndClass, 0, sizeof (WNDCLASS));
|
|
WndClass.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
|
|
WndClass.hInstance = GetModuleHandle (NULL);
|
|
WndClass.lpszClassName = TEXT ("GST-D3DSink");
|
|
WndClass.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
|
|
WndClass.hCursor = LoadCursor (NULL, IDC_ARROW);
|
|
WndClass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
|
|
WndClass.cbClsExtra = 0;
|
|
WndClass.cbWndExtra = 0;
|
|
WndClass.lpfnWndProc = WndProc;
|
|
RegisterClass (&WndClass);
|
|
|
|
/* By default, create a normal top-level window, the size of the video. */
|
|
|
|
/* GST_VIDEO_SINK_WIDTH() is the aspect-ratio-corrected size of the video. */
|
|
/* GetSystemMetrics() returns the width of the dialog's border (doubled b/c of left and right borders). */
|
|
width = GST_VIDEO_SINK_WIDTH (sink) + GetSystemMetrics (SM_CXSIZEFRAME) * 2;
|
|
height = GST_VIDEO_SINK_HEIGHT (sink) + GetSystemMetrics (SM_CYCAPTION) +
|
|
(GetSystemMetrics (SM_CYSIZEFRAME) * 2);
|
|
|
|
SystemParametersInfo (SPI_GETWORKAREA, 0, &rect, 0);
|
|
screenwidth = rect.right - rect.left;
|
|
screenheight = rect.bottom - rect.top;
|
|
offx = rect.left;
|
|
offy = rect.top;
|
|
|
|
/* Make it fit into the screen without changing the aspect ratio. */
|
|
if (width > screenwidth) {
|
|
double ratio = (double) screenwidth / (double) width;
|
|
width = screenwidth;
|
|
height = (int) (height * ratio);
|
|
}
|
|
|
|
if (height > screenheight) {
|
|
double ratio = (double) screenheight / (double) height;
|
|
height = screenheight;
|
|
width = (int) (width * ratio);
|
|
}
|
|
|
|
style = WS_OVERLAPPEDWINDOW; /* Normal top-level window */
|
|
exstyle = 0;
|
|
|
|
video_window = CreateWindowEx (exstyle, TEXT ("GST-D3DSink"),
|
|
TEXT ("GStreamer Direct3D sink default window"),
|
|
style, offx, offy, width, height, NULL, NULL, WndClass.hInstance, sink);
|
|
|
|
if (video_window == NULL) {
|
|
GST_ERROR_OBJECT (sink, "Failed to create window");
|
|
return NULL;
|
|
}
|
|
|
|
sink->is_new_window = TRUE;
|
|
sink->window_handle = video_window;
|
|
|
|
/* Now show the window, as appropriate */
|
|
ShowWindow (video_window, SW_SHOWNORMAL);
|
|
|
|
/* Trigger the initial paint of the window */
|
|
UpdateWindow (video_window);
|
|
|
|
ReleaseSemaphore (sink->window_created_signal, 1, NULL);
|
|
|
|
/* start message loop processing our default window messages */
|
|
while (TRUE) {
|
|
while (GetMessage (&msg, NULL, 0, 0)) {
|
|
TranslateMessage (&msg);
|
|
DispatchMessage (&msg);
|
|
}
|
|
|
|
if (msg.message == WM_QUIT || msg.message == WM_CLOSE)
|
|
break;
|
|
}
|
|
|
|
UnregisterClass (WndClass.lpszClassName, WndClass.hInstance);
|
|
sink->window_handle = NULL;
|
|
return NULL;
|
|
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_create_default_window (GstD3DVideoSink * sink)
|
|
{
|
|
if (shared.device_lost)
|
|
return FALSE;
|
|
|
|
sink->window_created_signal = CreateSemaphore (NULL, 0, 1, NULL);
|
|
if (sink->window_created_signal == NULL)
|
|
goto failed;
|
|
|
|
sink->window_thread = g_thread_try_new ("window thread",
|
|
(GThreadFunc) gst_d3dvideosink_window_thread, sink, NULL);
|
|
|
|
/* wait maximum 10 seconds for window to be created */
|
|
if (WaitForSingleObject (sink->window_created_signal, 10000) != WAIT_OBJECT_0)
|
|
goto failed;
|
|
|
|
CloseHandle (sink->window_created_signal);
|
|
return (sink->window_handle != NULL);
|
|
|
|
failed:
|
|
CloseHandle (sink->window_created_signal);
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
|
|
("Error creating our default window"), (NULL));
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_set_window_handle (GstVideoOverlay * overlay,
|
|
guintptr window_id)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (overlay);
|
|
HWND hWnd = (HWND) window_id;
|
|
|
|
if (hWnd == sink->window_handle) {
|
|
GST_DEBUG ("Window already set");
|
|
return;
|
|
}
|
|
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_LOCK (sink);
|
|
/* If we're already playing/paused, then we need to lock the swap chain, and recreate it with the new window. */
|
|
if (sink->d3ddev != NULL) {
|
|
/* Close our existing window if there is one */
|
|
gst_d3dvideosink_close_window (sink);
|
|
/* Save our window id */
|
|
sink->window_handle = hWnd;
|
|
gst_d3dvideosink_set_window_for_renderer (sink);
|
|
sink->window_closed = FALSE;
|
|
|
|
gst_d3dvideosink_notify_device_reinit (sink);
|
|
} else {
|
|
sink->window_handle = hWnd;
|
|
}
|
|
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
|
|
GST_DEBUG_OBJECT (sink, "Direct3D window id successfully changed to %p",
|
|
hWnd);
|
|
|
|
gst_d3dvideosink_update (GST_BASE_SINK_CAST (sink));
|
|
return;
|
|
}
|
|
|
|
/* Hook for out-of-process rendering */
|
|
LRESULT CALLBACK
|
|
gst_d3dvideosink_hook_proc (int nCode, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
return CallNextHookEx (NULL, nCode, wParam, lParam);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_set_window_for_renderer (GstD3DVideoSink * sink)
|
|
{
|
|
WNDPROC currWndProc;
|
|
|
|
/* Application has requested a specific window ID */
|
|
sink->is_new_window = FALSE;
|
|
currWndProc = (WNDPROC) GetWindowLongPtr (sink->window_handle, GWLP_WNDPROC);
|
|
if (sink->prevWndProc != currWndProc && currWndProc != WndProcHook)
|
|
sink->prevWndProc =
|
|
(WNDPROC) SetWindowLongPtr (sink->window_handle, GWLP_WNDPROC,
|
|
(LONG_PTR) WndProcHook);
|
|
|
|
/* Allows us to pick up the video sink inside the msg handler */
|
|
SetProp (sink->window_handle, TEXT ("GstD3DVideoSink"), sink);
|
|
|
|
if (!(sink->prevWndProc)) {
|
|
/* If we were unable to set the window procedure, it's possible we're attempting to render into the */
|
|
/* window from a separate process. In that case, we need to use a windows hook to see the messages */
|
|
/* going to the window we're drawing on. We must take special care that our hook is properly removed */
|
|
/* when we're done. */
|
|
GST_DEBUG ("Unable to set window procedure. Error: %s",
|
|
g_win32_error_message (GetLastError ()));
|
|
GST_D3DVIDEOSINK_SHARED_D3D_HOOK_LOCK;
|
|
gst_d3dvideosink_hook_window_for_renderer (sink);
|
|
GST_D3DVIDEOSINK_SHARED_D3D_HOOK_UNLOCK;
|
|
} else {
|
|
GST_DEBUG ("Set wndproc to %p from %p", WndProcHook, sink->prevWndProc);
|
|
GST_DEBUG ("Set renderer window to %p", sink->window_handle);
|
|
}
|
|
|
|
sink->is_new_window = FALSE;
|
|
}
|
|
|
|
static HHOOK
|
|
gst_d3dvideosink_find_hook (DWORD pid, DWORD tid)
|
|
{
|
|
HWND key;
|
|
GHashTableIter iter;
|
|
GstD3DVideoSinkHookData *value;
|
|
|
|
if (!shared.hook_tbl)
|
|
return NULL;
|
|
|
|
g_hash_table_iter_init (&iter, shared.hook_tbl);
|
|
while (g_hash_table_iter_next (&iter, (gpointer) & key, (gpointer) & value)) {
|
|
if (value && value->process_id == pid && value->thread_id == tid)
|
|
return value->hook;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static GstD3DVideoSinkHookData *
|
|
gst_d3dvideosink_hook_data (HWND window_id)
|
|
{
|
|
if (!shared.hook_tbl)
|
|
return NULL;
|
|
return (GstD3DVideoSinkHookData *) g_hash_table_lookup (shared.hook_tbl,
|
|
window_id);
|
|
}
|
|
|
|
static GstD3DVideoSinkHookData *
|
|
gst_d3dvideosink_register_hook_data (HWND window_id)
|
|
{
|
|
GstD3DVideoSinkHookData *data;
|
|
if (!shared.hook_tbl)
|
|
shared.hook_tbl = g_hash_table_new (NULL, NULL);
|
|
data =
|
|
(GstD3DVideoSinkHookData *) g_hash_table_lookup (shared.hook_tbl,
|
|
window_id);
|
|
if (!data) {
|
|
data =
|
|
(GstD3DVideoSinkHookData *) g_malloc (sizeof (GstD3DVideoSinkHookData));
|
|
memset (data, 0, sizeof (GstD3DVideoSinkHookData));
|
|
g_hash_table_insert (shared.hook_tbl, window_id, data);
|
|
}
|
|
return data;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_unregister_hook_data (HWND window_id)
|
|
{
|
|
GstD3DVideoSinkHookData *data;
|
|
if (!shared.hook_tbl)
|
|
return FALSE;
|
|
data =
|
|
(GstD3DVideoSinkHookData *) g_hash_table_lookup (shared.hook_tbl,
|
|
window_id);
|
|
if (!data)
|
|
return TRUE;
|
|
if (g_hash_table_remove (shared.hook_tbl, window_id))
|
|
g_free (data);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_hook_window_for_renderer (GstD3DVideoSink * sink)
|
|
{
|
|
/* Ensure that our window hook isn't already installed. */
|
|
if (!sink->is_new_window && !sink->is_hooked && sink->window_handle) {
|
|
DWORD pid;
|
|
DWORD tid;
|
|
|
|
GST_DEBUG ("Attempting to apply a windows hook in process %lu.",
|
|
GetCurrentProcessId ());
|
|
|
|
/* Get thread id of the window in question. */
|
|
tid = GetWindowThreadProcessId (sink->window_handle, &pid);
|
|
|
|
if (tid) {
|
|
HHOOK hook;
|
|
GstD3DVideoSinkHookData *data;
|
|
|
|
/* Only apply a hook if there's not one already there. It's possible this is the case if there are multiple */
|
|
/* embedded windows that we're hooking inside of the same dialog/thread. */
|
|
|
|
hook = gst_d3dvideosink_find_hook (pid, tid);
|
|
data = gst_d3dvideosink_register_hook_data (sink->window_handle);
|
|
if (data && !hook) {
|
|
GST_DEBUG
|
|
("No other hooks exist for pid %lu and tid %lu. Attempting to add one.",
|
|
pid, tid);
|
|
hook =
|
|
SetWindowsHookEx (WH_CALLWNDPROCRET, gst_d3dvideosink_hook_proc,
|
|
g_hinstDll, tid);
|
|
}
|
|
|
|
sink->is_hooked = (hook ? TRUE : FALSE);
|
|
|
|
if (sink->is_hooked) {
|
|
data->hook = hook;
|
|
data->process_id = pid;
|
|
data->thread_id = tid;
|
|
data->window_handle = sink->window_handle;
|
|
|
|
PostThreadMessage (tid, WM_NULL, 0, 0);
|
|
|
|
GST_DEBUG ("Window successfully hooked. GetLastError() returned: %s",
|
|
g_win32_error_message (GetLastError ()));
|
|
} else {
|
|
/* Ensure that we clean up any allocated memory. */
|
|
if (data)
|
|
gst_d3dvideosink_unregister_hook_data (sink->window_handle);
|
|
GST_DEBUG
|
|
("Unable to hook the window. The system provided error was: %s",
|
|
g_win32_error_message (GetLastError ()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_unhook_window_for_renderer (GstD3DVideoSink * sink)
|
|
{
|
|
if (!sink->is_new_window && sink->is_hooked && sink->window_handle) {
|
|
GstD3DVideoSinkHookData *data;
|
|
|
|
GST_DEBUG ("Unhooking a window in process %lu.", GetCurrentProcessId ());
|
|
|
|
data = gst_d3dvideosink_hook_data (sink->window_handle);
|
|
if (data) {
|
|
DWORD pid;
|
|
DWORD tid;
|
|
HHOOK hook;
|
|
|
|
/* Save off a temp ref to the data */
|
|
hook = data->hook;
|
|
tid = data->thread_id;
|
|
pid = data->process_id;
|
|
|
|
/* Free the memory */
|
|
if (gst_d3dvideosink_unregister_hook_data (sink->window_handle)) {
|
|
/* Check if there's anyone else who still has the hook. If so, then we do nothing. */
|
|
/* If not, then go ahead and unhook. */
|
|
if (gst_d3dvideosink_find_hook (pid, tid)) {
|
|
UnhookWindowsHookEx (hook);
|
|
GST_DEBUG ("Unhooked the window for process %lu and thread %lu.", pid,
|
|
tid);
|
|
}
|
|
}
|
|
}
|
|
|
|
sink->is_hooked = FALSE;
|
|
|
|
GST_DEBUG ("Window successfully unhooked in process %lu.",
|
|
GetCurrentProcessId ());
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_unhook_all_windows (void)
|
|
{
|
|
/* Unhook all windows that may be currently hooked. This is mainly a precaution in case */
|
|
/* a wayward process doesn't properly set state back to NULL (which would remove the hook). */
|
|
|
|
GST_D3DVIDEOSINK_SHARED_D3D_LOCK;
|
|
GST_D3DVIDEOSINK_SHARED_D3D_HOOK_LOCK;
|
|
{
|
|
GList *item;
|
|
GstD3DVideoSink *s;
|
|
|
|
GST_DEBUG ("Attempting to unhook all windows for process %lu",
|
|
GetCurrentProcessId ());
|
|
|
|
for (item = g_list_first (shared.element_list); item; item = item->next) {
|
|
s = (GstD3DVideoSink *) item->data;
|
|
gst_d3dvideosink_unhook_window_for_renderer (s);
|
|
}
|
|
}
|
|
GST_D3DVIDEOSINK_SHARED_D3D_HOOK_UNLOCK;
|
|
GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_remove_window_for_renderer (GstD3DVideoSink * sink)
|
|
{
|
|
{
|
|
GST_DEBUG ("Removing custom rendering window procedure");
|
|
if (!sink->is_new_window && sink->window_handle) {
|
|
WNDPROC currWndProc;
|
|
|
|
/* Retrieve current msg handler */
|
|
currWndProc =
|
|
(WNDPROC) GetWindowLongPtr (sink->window_handle, GWLP_WNDPROC);
|
|
|
|
/* Return control of application window */
|
|
if (sink->prevWndProc != NULL && currWndProc == WndProcHook) {
|
|
SetWindowLongPtr (sink->window_handle, GWLP_WNDPROC,
|
|
(LONG_PTR) sink->prevWndProc);
|
|
|
|
sink->prevWndProc = NULL;
|
|
sink->window_handle = NULL;
|
|
sink->is_new_window = FALSE;
|
|
}
|
|
}
|
|
|
|
GST_D3DVIDEOSINK_SHARED_D3D_HOOK_LOCK;
|
|
gst_d3dvideosink_unhook_window_for_renderer (sink);
|
|
GST_D3DVIDEOSINK_SHARED_D3D_HOOK_UNLOCK;
|
|
/* Remove the property associating our sink with the window */
|
|
RemoveProp (sink->window_handle, TEXT ("GstD3DVideoSink"));
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_prepare_window (GstD3DVideoSink * sink)
|
|
{
|
|
/* Give the app a last chance to supply a window id */
|
|
if (!sink->window_handle) {
|
|
gst_video_overlay_prepare_window_handle (GST_VIDEO_OVERLAY (sink));
|
|
}
|
|
|
|
/* If the app supplied one, use it. Otherwise, go ahead
|
|
* and create (and use) our own window, if we didn't create
|
|
* one before */
|
|
if (sink->window_handle && sink->is_new_window) {
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_LOCK (sink);
|
|
gst_d3dvideosink_release_d3d_device (sink);
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
} else if (sink->window_handle) {
|
|
gst_d3dvideosink_set_window_for_renderer (sink);
|
|
} else {
|
|
gst_d3dvideosink_create_default_window (sink);
|
|
}
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_LOCK (sink);
|
|
gst_d3dvideosink_notify_device_init (sink);
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_d3dvideosink_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (element);
|
|
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
if (!gst_d3dvideosink_initialize_direct3d (sink))
|
|
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:
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
if (ret == GST_STATE_CHANGE_FAILURE)
|
|
return ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
if (!sink->is_new_window) {
|
|
gst_d3dvideosink_remove_window_for_renderer (sink);
|
|
}
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
gst_d3dvideosink_release_direct3d (sink);
|
|
gst_d3dvideosink_clear (sink);
|
|
break;
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_start (GstBaseSink * bsink)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (bsink);
|
|
|
|
/* Determine if Direct 3D is supported */
|
|
return gst_d3dvideosink_direct3d_supported (sink);
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
|
{
|
|
GstD3DVideoSink *sink;
|
|
/*GstStructure *structure; */
|
|
GstCaps *sink_caps;
|
|
GstVideoInfo info;
|
|
gint video_width, video_height;
|
|
gint video_par_n, video_par_d; /* video's PAR */
|
|
gint display_par_n, display_par_d; /* display's PAR */
|
|
guint num, den;
|
|
|
|
sink = GST_D3DVIDEOSINK (bsink);
|
|
sink_caps = gst_static_pad_template_get_caps (&sink_template);
|
|
|
|
GST_DEBUG_OBJECT (sink,
|
|
"In setcaps. Possible caps %" GST_PTR_FORMAT ", setting caps %"
|
|
GST_PTR_FORMAT, sink_caps, caps);
|
|
|
|
if (!gst_caps_can_intersect (sink_caps, caps))
|
|
goto incompatible_caps;
|
|
|
|
if (!gst_video_info_from_caps (&info, caps))
|
|
goto invalid_format;
|
|
|
|
/*structure = gst_caps_get_structure (caps, 0); */
|
|
|
|
video_width = info.width;
|
|
video_height = info.height;
|
|
|
|
/* get aspect ratio from caps if it's present, and
|
|
* convert video width and height to a display width and height
|
|
* using wd / hd = wv / hv * PARv / PARd */
|
|
|
|
/* get video's PAR */
|
|
video_par_n = info.par_n;
|
|
video_par_d = info.par_d;
|
|
|
|
/* get display's PAR */
|
|
if (sink->par) {
|
|
display_par_n = gst_value_get_fraction_numerator (sink->par);
|
|
display_par_d = gst_value_get_fraction_denominator (sink->par);
|
|
} else {
|
|
display_par_n = 1;
|
|
display_par_d = 1;
|
|
}
|
|
|
|
if (!gst_video_calculate_display_ratio (&num, &den, info.width,
|
|
info.height, video_par_n, video_par_d, display_par_n, display_par_d))
|
|
goto no_disp_ratio;
|
|
|
|
GST_DEBUG_OBJECT (sink,
|
|
"video width/height: %dx%d, calculated display ratio: %d/%d",
|
|
video_width, video_height, num, den);
|
|
|
|
/* now find a width x height that respects this display ratio.
|
|
* prefer those that have one of w/h the same as the incoming video
|
|
* using wd / hd = num / den */
|
|
|
|
/* start with same height, because of interlaced video */
|
|
/* check hd / den is an integer scale factor, and scale wd with the PAR */
|
|
if (info.height % den == 0) {
|
|
GST_DEBUG_OBJECT (sink, "keeping video height");
|
|
GST_VIDEO_SINK_WIDTH (sink) = (guint)
|
|
gst_util_uint64_scale_int (info.height, num, den);
|
|
GST_VIDEO_SINK_HEIGHT (sink) = info.height;
|
|
} else if (info.width % num == 0) {
|
|
GST_DEBUG_OBJECT (sink, "keeping video width");
|
|
GST_VIDEO_SINK_WIDTH (sink) = info.width;
|
|
GST_VIDEO_SINK_HEIGHT (sink) = (guint)
|
|
gst_util_uint64_scale_int (info.width, den, num);
|
|
} else {
|
|
GST_DEBUG_OBJECT (sink, "approximating while keeping video height");
|
|
GST_VIDEO_SINK_WIDTH (sink) = (guint)
|
|
gst_util_uint64_scale_int (info.height, num, den);
|
|
GST_VIDEO_SINK_HEIGHT (sink) = info.height;
|
|
}
|
|
GST_DEBUG_OBJECT (sink, "scaling to %dx%d",
|
|
GST_VIDEO_SINK_WIDTH (sink), GST_VIDEO_SINK_HEIGHT (sink));
|
|
|
|
if (GST_VIDEO_SINK_WIDTH (sink) <= 0 || GST_VIDEO_SINK_HEIGHT (sink) <= 0)
|
|
goto no_display_size;
|
|
|
|
sink->info = info;
|
|
sink->format = GST_VIDEO_INFO_FORMAT (&info);
|
|
|
|
/* Create a window (or start using an application-supplied one, then connect the graph */
|
|
gst_d3dvideosink_prepare_window (sink);
|
|
|
|
return TRUE;
|
|
/* ERRORS */
|
|
incompatible_caps:
|
|
{
|
|
GST_ERROR_OBJECT (sink, "caps incompatible");
|
|
return FALSE;
|
|
}
|
|
invalid_format:
|
|
{
|
|
gchar *caps_txt = gst_caps_to_string (caps);
|
|
GST_DEBUG_OBJECT (sink,
|
|
"Could not locate image format from caps %s", caps_txt);
|
|
g_free (caps_txt);
|
|
return FALSE;
|
|
}
|
|
no_disp_ratio:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output display ratio of the video."));
|
|
return FALSE;
|
|
}
|
|
no_display_size:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output display ratio of the video."));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_stop (GstBaseSink * bsink)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (bsink);
|
|
gst_d3dvideosink_close_window (sink);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_flush_gpu (GstD3DVideoSink * sink)
|
|
{
|
|
LPDIRECT3DQUERY9 pEventQuery = NULL;
|
|
|
|
IDirect3DDevice9_CreateQuery (sink->d3ddev, D3DQUERYTYPE_EVENT, &pEventQuery);
|
|
if (pEventQuery) {
|
|
IDirect3DQuery9_Issue (pEventQuery, D3DISSUE_END);
|
|
/* Empty the command buffer and wait until the GPU is idle. */
|
|
while (S_FALSE == IDirect3DQuery9_GetData (pEventQuery, NULL, 0,
|
|
D3DGETDATA_FLUSH));
|
|
IDirect3DQuery9_Release (pEventQuery);
|
|
}
|
|
}
|
|
|
|
static G_GNUC_UNUSED void
|
|
gst_d3dvideosink_wait_for_vsync (GstD3DVideoSink * sink)
|
|
{
|
|
if (sink->d3dpp.PresentationInterval == D3DPRESENT_INTERVAL_IMMEDIATE) {
|
|
D3DRASTER_STATUS raster_stat;
|
|
D3DDISPLAYMODE d3ddm;
|
|
UINT lastScanline = 0;
|
|
UINT vblankStart = 0;
|
|
HANDLE thdl = GetCurrentThread ();
|
|
int prio = GetThreadPriority (thdl);
|
|
ZeroMemory (&d3ddm, sizeof (d3ddm));
|
|
|
|
IDirect3DDevice9_GetDisplayMode (sink->d3ddev, 0, &d3ddm);
|
|
vblankStart = d3ddm.Height - 10;
|
|
SetThreadPriority (thdl, THREAD_PRIORITY_TIME_CRITICAL);
|
|
do {
|
|
if (FAILED (IDirect3DDevice9_GetRasterStatus (sink->d3ddev, 0,
|
|
&raster_stat))) {
|
|
GST_ERROR_OBJECT (sink, "GetRasterStatus failed");
|
|
}
|
|
break;
|
|
if (!raster_stat.InVBlank) {
|
|
if (raster_stat.ScanLine < lastScanline) {
|
|
GST_INFO_OBJECT (sink, "missed last vsync curr : %d",
|
|
raster_stat.ScanLine);
|
|
break;
|
|
}
|
|
lastScanline = raster_stat.ScanLine;
|
|
SwitchToThread ();
|
|
}
|
|
} while (raster_stat.ScanLine < vblankStart);
|
|
SetThreadPriority (thdl, prio);
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3dvideosink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (vsink);
|
|
LPDIRECT3DSURFACE9 drawSurface = NULL;
|
|
|
|
if (!GST_D3DVIDEOSINK_D3D_DEVICE_TRYLOCK (sink))
|
|
return GST_FLOW_OK;
|
|
if (!sink->d3ddev) {
|
|
if (!shared.device_lost) {
|
|
GST_ERROR_OBJECT (sink, "No Direct3D device has been created, stopping");
|
|
goto error;
|
|
} else {
|
|
GST_WARNING_OBJECT (sink,
|
|
"Direct3D device is lost. Maintaining flow until it has been reset.");
|
|
goto success;
|
|
}
|
|
}
|
|
|
|
if (sink->window_closed) {
|
|
GST_ERROR_OBJECT (sink, "Window has been closed, stopping");
|
|
goto error;
|
|
}
|
|
|
|
|
|
drawSurface = sink->d3d_offscreen_surface;
|
|
|
|
if (SUCCEEDED (IDirect3DDevice9_BeginScene (sink->d3ddev))) {
|
|
GstMapInfo map;
|
|
if (gst_buffer_map (buffer, &map, GST_MAP_READ)) {
|
|
D3DLOCKED_RECT lr;
|
|
guint8 *dest, *source;
|
|
int srcstride, dststride, i;
|
|
|
|
IDirect3DSurface9_LockRect (drawSurface, &lr, NULL, 0);
|
|
dest = (guint8 *) lr.pBits;
|
|
source = map.data;
|
|
|
|
if (dest) {
|
|
if (GST_VIDEO_INFO_IS_YUV (&sink->info)) {
|
|
switch (sink->format) {
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
dststride = lr.Pitch;
|
|
srcstride =
|
|
gst_buffer_get_size (buffer) / GST_VIDEO_SINK_HEIGHT (sink);
|
|
for (i = 0; i < GST_VIDEO_SINK_HEIGHT (sink); ++i)
|
|
memcpy (dest + dststride * i, source + srcstride * i,
|
|
srcstride);
|
|
break;
|
|
case GST_VIDEO_FORMAT_I420:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
{
|
|
int srcystride, srcvstride, srcustride;
|
|
int dstystride, dstvstride, dstustride;
|
|
int rows;
|
|
guint8 *srcv, *srcu, *dstv, *dstu;
|
|
|
|
rows = GST_VIDEO_SINK_HEIGHT (sink);
|
|
|
|
/* Source y, u and v strides */
|
|
srcystride = GST_ROUND_UP_4 (GST_VIDEO_SINK_WIDTH (sink));
|
|
srcustride = GST_ROUND_UP_8 (GST_VIDEO_SINK_WIDTH (sink)) / 2;
|
|
srcvstride = GST_ROUND_UP_8 (srcystride) / 2;
|
|
|
|
/* Destination y, u and v strides */
|
|
dstystride = lr.Pitch;
|
|
dstustride = dstystride / 2;
|
|
dstvstride = dstustride;
|
|
|
|
srcu = source + srcystride * GST_ROUND_UP_2 (rows);
|
|
srcv = srcu + srcustride * GST_ROUND_UP_2 (rows) / 2;
|
|
|
|
if (sink->format == GST_VIDEO_FORMAT_I420) {
|
|
/* swap u and v planes */
|
|
dstv = dest + dstystride * rows;
|
|
dstu = dstv + dstustride * rows / 2;
|
|
} else {
|
|
dstu = dest + dstystride * rows;
|
|
dstv = dstu + dstustride * rows / 2;
|
|
}
|
|
|
|
for (i = 0; i < rows; ++i) {
|
|
/* Copy the y plane */
|
|
memcpy (dest + dstystride * i, source + srcystride * i,
|
|
srcystride);
|
|
}
|
|
|
|
for (i = 0; i < rows / 2; ++i) {
|
|
/* Copy the u plane */
|
|
memcpy (dstu + dstustride * i, srcu + srcustride * i,
|
|
srcustride);
|
|
/* Copy the v plane */
|
|
memcpy (dstv + dstvstride * i, srcv + srcvstride * i,
|
|
srcvstride);
|
|
}
|
|
break;
|
|
}
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
{
|
|
guint8 *dst = dest;
|
|
int component;
|
|
dststride = lr.Pitch;
|
|
for (component = 0; component < 2; component++) {
|
|
const int compHeight =
|
|
GST_VIDEO_INFO_COMP_HEIGHT (&sink->info, component);
|
|
guint8 *src = source + GST_VIDEO_INFO_COMP_OFFSET (&sink->info,
|
|
component);
|
|
srcstride = GST_VIDEO_INFO_COMP_STRIDE (&sink->info, component);
|
|
for (i = 0; i < compHeight; i++) {
|
|
memcpy (dst + dststride * i, src + srcstride * i, srcstride);
|
|
}
|
|
dst += dststride * compHeight;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
} else if (GST_VIDEO_INFO_IS_RGB (&sink->info)) {
|
|
dststride = lr.Pitch;
|
|
srcstride =
|
|
gst_buffer_get_size (buffer) / GST_VIDEO_SINK_HEIGHT (sink);
|
|
for (i = 0; i < GST_VIDEO_SINK_HEIGHT (sink); ++i)
|
|
memcpy (dest + dststride * i, source + srcstride * i, srcstride);
|
|
}
|
|
}
|
|
IDirect3DSurface9_UnlockRect (drawSurface);
|
|
gst_buffer_unmap (buffer, &map);
|
|
}
|
|
IDirect3DDevice9_EndScene (sink->d3ddev);
|
|
}
|
|
success:
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
gst_d3dvideosink_refresh (sink);
|
|
return GST_FLOW_OK;
|
|
error:
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
/* Simply redraws the last item on our offscreen surface to the window */
|
|
static gboolean
|
|
gst_d3dvideosink_refresh (GstD3DVideoSink * sink)
|
|
{
|
|
HRESULT hr;
|
|
LPDIRECT3DSURFACE9 backBuffer;
|
|
|
|
if (!GST_D3DVIDEOSINK_D3D_DEVICE_TRYLOCK (sink))
|
|
return TRUE;
|
|
|
|
if (!sink->d3ddev) {
|
|
if (!shared.device_lost)
|
|
GST_DEBUG ("No Direct3D device has been created");
|
|
goto error;
|
|
}
|
|
|
|
if (!sink->d3d_offscreen_surface) {
|
|
GST_DEBUG ("No Direct3D offscreen surface has been created");
|
|
goto error;
|
|
}
|
|
|
|
if (sink->window_closed) {
|
|
GST_DEBUG ("Window has been closed");
|
|
goto error;
|
|
}
|
|
|
|
/* Set the render target to our swap chain */
|
|
if (FAILED (IDirect3DDevice9_GetBackBuffer (sink->d3ddev, 0, 0,
|
|
D3DBACKBUFFER_TYPE_MONO, &backBuffer))) {
|
|
GST_ERROR_OBJECT (sink, "failed to get back buffer");
|
|
goto error;
|
|
}
|
|
IDirect3DDevice9_SetRenderTarget (sink->d3ddev, 0, backBuffer);
|
|
IDirect3DSurface9_Release (backBuffer);
|
|
|
|
/* Clear the target */
|
|
IDirect3DDevice9_Clear (sink->d3ddev, 0, NULL, D3DCLEAR_TARGET,
|
|
D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
|
|
|
|
if (SUCCEEDED (IDirect3DDevice9_BeginScene (sink->d3ddev))) {
|
|
gst_d3dvideosink_stretch (sink, backBuffer);
|
|
IDirect3DDevice9_EndScene (sink->d3ddev);
|
|
}
|
|
IDirect3DSurface9_Release (backBuffer);
|
|
gst_d3dvideosink_flush_gpu (sink);
|
|
/* Swap back and front buffers on video card and present to the user */
|
|
if (FAILED (hr =
|
|
IDirect3DDevice9_Present (sink->d3ddev, NULL, NULL, NULL, NULL))) {
|
|
switch (hr) {
|
|
case D3DERR_DEVICELOST:
|
|
case D3DERR_DEVICENOTRESET:
|
|
gst_d3dvideosink_notify_device_lost (sink);
|
|
break;
|
|
default:
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
return TRUE;
|
|
|
|
error:
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_update_all (GstD3DVideoSink * sink)
|
|
{
|
|
GList *item;
|
|
GstD3DVideoSink *s;
|
|
|
|
GST_D3DVIDEOSINK_SHARED_D3D_LOCK;
|
|
for (item = g_list_first (shared.element_list); item; item = item->next) {
|
|
s = (GstD3DVideoSink *) item->data;
|
|
gst_d3dvideosink_update (GST_BASE_SINK (s));
|
|
}
|
|
GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK;
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_refresh_all (GstD3DVideoSink * sink)
|
|
{
|
|
GList *item;
|
|
GstD3DVideoSink *s;
|
|
|
|
GST_D3DVIDEOSINK_SHARED_D3D_LOCK;
|
|
for (item = g_list_first (shared.element_list); item; item = item->next) {
|
|
s = (GstD3DVideoSink *) item->data;
|
|
gst_d3dvideosink_refresh (s);
|
|
}
|
|
GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK;
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_stretch (GstD3DVideoSink * sink, LPDIRECT3DSURFACE9 backBuffer)
|
|
{
|
|
if (sink->keep_aspect_ratio) {
|
|
gint window_width;
|
|
gint window_height;
|
|
RECT r;
|
|
GstVideoRectangle src;
|
|
GstVideoRectangle dst;
|
|
GstVideoRectangle result;
|
|
gdouble x_scale, y_scale;
|
|
|
|
gst_d3dvideosink_window_size (sink, &window_width, &window_height);
|
|
|
|
src.x = 0;
|
|
src.y = 0;
|
|
src.w = GST_VIDEO_SINK_WIDTH (sink);
|
|
src.h = GST_VIDEO_SINK_HEIGHT (sink);
|
|
|
|
dst.x = 0;
|
|
dst.y = 0;
|
|
dst.w = window_width;
|
|
dst.h = window_height;
|
|
|
|
x_scale = (gdouble) src.w / (gdouble) dst.w;
|
|
y_scale = (gdouble) src.h / (gdouble) dst.h;
|
|
gst_video_sink_center_rect (src, dst, &result, TRUE);
|
|
|
|
result.x = result.x * x_scale;
|
|
result.y = result.y * y_scale;
|
|
result.w = result.w * x_scale;
|
|
result.h = result.h * y_scale;
|
|
|
|
//clip to src
|
|
gst_video_sink_center_rect (result, src, &result, FALSE);
|
|
|
|
r.left = result.x;
|
|
r.top = result.y;
|
|
r.right = result.x + result.w;
|
|
r.bottom = result.y + result.h;
|
|
|
|
if (FAILED (IDirect3DDevice9_StretchRect (sink->d3ddev,
|
|
sink->d3d_offscreen_surface, NULL, backBuffer, &r,
|
|
sink->d3dfiltertype))) {
|
|
GST_ERROR_OBJECT (sink, "StretchRect failed");
|
|
}
|
|
} else {
|
|
IDirect3DDevice9_StretchRect (sink->d3ddev, sink->d3d_offscreen_surface,
|
|
NULL, backBuffer, NULL, sink->d3dfiltertype);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_expose (GstVideoOverlay * overlay)
|
|
{
|
|
GstBaseSink *sink = GST_BASE_SINK (overlay);
|
|
gst_d3dvideosink_update (sink);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_update (GstBaseSink * bsink)
|
|
{
|
|
GstSample *last_sample;
|
|
GstBuffer *last_buffer;
|
|
|
|
last_sample = gst_base_sink_get_last_sample (bsink);
|
|
if (last_sample) {
|
|
last_buffer = gst_sample_get_buffer (last_sample);
|
|
if (last_buffer)
|
|
gst_d3dvideosink_show_frame (GST_VIDEO_SINK (bsink), last_buffer);
|
|
gst_sample_unref (last_sample);
|
|
}
|
|
}
|
|
|
|
/* TODO: How can we implement these? Figure that out... */
|
|
/*
|
|
static gboolean
|
|
gst_d3dvideosink_unlock (GstBaseSink * bsink)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (bsink);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_unlock_stop (GstBaseSink * bsink)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (bsink);
|
|
|
|
return TRUE;
|
|
}
|
|
*/
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_initialize_direct3d (GstD3DVideoSink * sink)
|
|
{
|
|
DirectXAPI *api;
|
|
GstD3DVideoSinkClass *klass;
|
|
|
|
/* Let's hope this is never a problem (they have millions of d3d elements going at the same time) */
|
|
if (shared.element_count >= G_MAXINT32) {
|
|
GST_ERROR
|
|
("There are too many d3dvideosink elements. Creating more elements would put this element into an unknown state.");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_D3DVIDEOSINK_SHARED_D3D_LOCK;
|
|
/* Add to our GList containing all of our elements. */
|
|
/* GLists are doubly-linked lists and calling prepend() prevents it from having to traverse the entire list just to add one item. */
|
|
shared.element_list = g_list_prepend (shared.element_list, sink);
|
|
|
|
/* Increment our count of the number of elements we have */
|
|
shared.element_count++;
|
|
if (shared.element_count > 1)
|
|
goto success;
|
|
|
|
/* We want to initialize direct3d only for the first element that's using it. */
|
|
/* We'll destroy this once all elements using direct3d have been finalized. */
|
|
/* See gst_d3dvideosink_release_direct3d() for details. */
|
|
|
|
if (!sink) {
|
|
GST_WARNING ("Missing gobject instance.");
|
|
return FALSE;
|
|
}
|
|
|
|
klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
|
|
if (!klass) {
|
|
GST_WARNING ("Unable to retrieve gobject class");
|
|
goto error;
|
|
}
|
|
|
|
api = klass->directx_api;
|
|
if (!api) {
|
|
GST_WARNING ("Missing DirectX api");
|
|
goto error;
|
|
}
|
|
|
|
shared.d3d =
|
|
(LPDIRECT3D9) DX9_D3D_COMPONENT_CALL_FUNC (DIRECTX_D3D (api),
|
|
Direct3DCreate9, D3D_SDK_VERSION);
|
|
if (!shared.d3d) {
|
|
GST_ERROR ("Unable to create Direct3D interface");
|
|
goto error;
|
|
}
|
|
|
|
/* We create a window that's hidden, so we can control the
|
|
device's from a single thread */
|
|
|
|
GST_DEBUG ("Creating hidden window for Direct3D");
|
|
if (!gst_d3dvideosink_create_shared_hidden_window (sink))
|
|
goto error;
|
|
|
|
success:
|
|
GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK;
|
|
return TRUE;
|
|
error:
|
|
GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK;
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_initialize_d3d_device (GstD3DVideoSink * sink)
|
|
{
|
|
HRESULT hr;
|
|
DWORD d3dcreate;
|
|
D3DCAPS9 d3dcaps;
|
|
HWND hwnd = sink->window_handle;
|
|
D3DFORMAT d3dformat = sink->d3dformat;
|
|
D3DFORMAT d3dfourcc;
|
|
D3DDISPLAYMODE d3ddm;
|
|
D3DTEXTUREFILTERTYPE d3dfiltertype;
|
|
gint width, height;
|
|
|
|
/* Get the current size of the window */
|
|
gst_d3dvideosink_window_size (sink, &width, &height);
|
|
|
|
if (!shared.d3d) {
|
|
GST_WARNING ("Direct3D object has not been initialized");
|
|
goto error;
|
|
}
|
|
if (FAILED (IDirect3D9_GetAdapterDisplayMode (shared.d3d, D3DADAPTER_DEFAULT,
|
|
&d3ddm))) {
|
|
GST_WARNING ("Unable to request adapter display mode");
|
|
goto error;
|
|
}
|
|
|
|
if (FAILED (IDirect3D9_GetDeviceCaps (shared.d3d, D3DADAPTER_DEFAULT,
|
|
D3DDEVTYPE_HAL, &d3dcaps))) {
|
|
GST_WARNING ("Unable to request device caps");
|
|
goto error;
|
|
}
|
|
|
|
/* Ask DirectX to please not clobber the FPU state when making DirectX API calls. */
|
|
/* This can cause libraries such as cairo to misbehave in certain scenarios. */
|
|
d3dcreate = 0 | D3DCREATE_FPU_PRESERVE | D3DCREATE_MULTITHREADED;
|
|
|
|
/* Determine vertex processing capabilities. Some cards have issues using software vertex processing. */
|
|
/* Courtesy http://www.chadvernon.com/blog/resources/directx9/improved-direct3d-initialization/ */
|
|
if ((d3dcaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) ==
|
|
D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
|
|
d3dcreate |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
|
|
/* if ((d3dcaps.DevCaps & D3DDEVCAPS_PUREDEVICE) == D3DDEVCAPS_PUREDEVICE) */
|
|
/* d3dcreate |= D3DCREATE_PUREDEVICE; */
|
|
} else {
|
|
d3dcreate |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
|
|
}
|
|
|
|
/* Check the filter type. */
|
|
if ((d3dcaps.StretchRectFilterCaps & D3DPTFILTERCAPS_MINFLINEAR) ==
|
|
D3DPTFILTERCAPS_MINFLINEAR
|
|
&& (d3dcaps.StretchRectFilterCaps & D3DPTFILTERCAPS_MAGFLINEAR) ==
|
|
D3DPTFILTERCAPS_MAGFLINEAR) {
|
|
d3dfiltertype = D3DTEXF_LINEAR;
|
|
} else {
|
|
d3dfiltertype = D3DTEXF_NONE;
|
|
}
|
|
|
|
if (GST_VIDEO_INFO_IS_YUV (&sink->info)) {
|
|
switch (sink->format) {
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
d3dformat = D3DFMT_X8R8G8B8;
|
|
d3dfourcc = (D3DFORMAT) MAKEFOURCC ('Y', 'U', 'Y', '2');
|
|
break;
|
|
//case GST_MAKE_FOURCC ('Y', 'U', 'V', 'Y'):
|
|
// d3dformat = D3DFMT_X8R8G8B8;
|
|
// d3dfourcc = (D3DFORMAT)MAKEFOURCC('Y', 'U', 'V', 'Y');
|
|
// break;
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
d3dformat = D3DFMT_X8R8G8B8;
|
|
d3dfourcc = (D3DFORMAT) MAKEFOURCC ('U', 'Y', 'V', 'Y');
|
|
break;
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
case GST_VIDEO_FORMAT_I420:
|
|
d3dformat = D3DFMT_X8R8G8B8;
|
|
d3dfourcc = (D3DFORMAT) MAKEFOURCC ('Y', 'V', '1', '2');
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
d3dformat = D3DFMT_X8R8G8B8;
|
|
d3dfourcc = (D3DFORMAT) MAKEFOURCC ('N', 'V', '1', '2');
|
|
break;
|
|
default:
|
|
g_assert_not_reached ();
|
|
goto error;
|
|
}
|
|
} else if (GST_VIDEO_INFO_IS_RGB (&sink->info)) {
|
|
d3dformat = D3DFMT_X8R8G8B8;
|
|
d3dfourcc = D3DFMT_X8R8G8B8;
|
|
} else {
|
|
g_assert_not_reached ();
|
|
goto error;
|
|
}
|
|
|
|
GST_DEBUG ("Determined Direct3D format: %" GST_FOURCC_FORMAT,
|
|
GST_FOURCC_ARGS (d3dfourcc));
|
|
|
|
|
|
GST_DEBUG ("Direct3D back buffer size: %dx%d", GST_VIDEO_SINK_WIDTH (sink),
|
|
GST_VIDEO_SINK_HEIGHT (sink));
|
|
|
|
sink->d3dformat = d3dformat;
|
|
sink->d3dfourcc = d3dfourcc;
|
|
|
|
|
|
ZeroMemory (&sink->d3dpp, sizeof (sink->d3dpp));
|
|
sink->d3dpp.Flags = D3DPRESENTFLAG_VIDEO | D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
|
|
sink->d3dpp.Windowed = TRUE;
|
|
sink->d3dpp.hDeviceWindow = hwnd;
|
|
sink->d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
|
|
sink->d3dpp.BackBufferCount = 1;
|
|
//sink->d3dpp.BackBufferFormat = d3dformat;
|
|
sink->d3dpp.BackBufferWidth = GST_VIDEO_SINK_WIDTH (sink);
|
|
sink->d3dpp.BackBufferHeight = GST_VIDEO_SINK_HEIGHT (sink);
|
|
sink->d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
|
|
sink->d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
|
|
|
|
GST_DEBUG ("Creating Direct3D device for window %p", hwnd);
|
|
|
|
sink->d3ddev = NULL;
|
|
|
|
hr = IDirect3D9_CreateDevice (shared.d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
|
|
hwnd, d3dcreate, &sink->d3dpp, &sink->d3ddev);
|
|
if (FAILED (hr)) {
|
|
GST_WARNING ("Unable to create Direct3D device. Result: %ld (0x%lx)", hr,
|
|
hr);
|
|
goto error;
|
|
}
|
|
|
|
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (sink->d3ddev,
|
|
GST_VIDEO_SINK_WIDTH (sink), GST_VIDEO_SINK_HEIGHT (sink), d3dfourcc,
|
|
D3DPOOL_DEFAULT, &sink->d3d_offscreen_surface, NULL);
|
|
if (FAILED (hr)) {
|
|
goto error;
|
|
}
|
|
|
|
/* Determine texture filtering support. If it's supported for this format, use the filter
|
|
type determined when we created the dev and checked the dev caps.
|
|
*/
|
|
if (FAILED (IDirect3D9_CheckDeviceFormat (shared.d3d, D3DADAPTER_DEFAULT,
|
|
D3DDEVTYPE_HAL, d3dformat, D3DUSAGE_QUERY_FILTER,
|
|
D3DRTYPE_TEXTURE, d3dformat))) {
|
|
d3dfiltertype = D3DTEXF_NONE;
|
|
}
|
|
|
|
GST_DEBUG ("Direct3D stretch rect texture filter: %d", d3dfiltertype);
|
|
|
|
sink->d3dfiltertype = d3dfiltertype;
|
|
|
|
/*success:*/
|
|
return TRUE;
|
|
error:
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_notify_device_init (GstD3DVideoSink * sink)
|
|
{
|
|
if (sink->window_handle) {
|
|
SendMessage (shared.hidden_window_handle, WM_DIRECTX_D3D_INIT_DEVICE, 0,
|
|
(LPARAM) sink);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_notify_device_reinit (GstD3DVideoSink * sink)
|
|
{
|
|
if (sink->window_handle) {
|
|
SendMessage (shared.hidden_window_handle, WM_DIRECTX_D3D_DEVICELOST, 0,
|
|
(LPARAM) sink);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_notify_device_lost (GstD3DVideoSink * sink)
|
|
{
|
|
/* Send notification asynchronously */
|
|
PostMessage (shared.hidden_window_handle, WM_DIRECTX_D3D_INIT_DEVICELOST, 0,
|
|
(LPARAM) sink);
|
|
|
|
GST_DEBUG ("Successfully sent notification of device lost event for sink %p",
|
|
sink);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_notify_device_reset (GstD3DVideoSink * sink)
|
|
{
|
|
{
|
|
/* Send notification synchronously -- let's ensure the timer's been killed before returning */
|
|
SendMessage (shared.hidden_window_handle, WM_DIRECTX_D3D_END_DEVICELOST, 0,
|
|
(LPARAM) sink);
|
|
}
|
|
GST_DEBUG ("Successfully sent notification of device reset event for sink %p",
|
|
sink);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_device_lost (GstD3DVideoSink * sink)
|
|
{
|
|
/* Must be called from hidden window's message loop! */
|
|
|
|
if (shared.device_lost)
|
|
GST_DEBUG ("Direct3D device lost");
|
|
|
|
GST_DEBUG_OBJECT (sink, ". Resetting the device.");
|
|
|
|
if (g_thread_self () != shared.hidden_window_thread) {
|
|
GST_ERROR
|
|
("Direct3D device can only be reset by the thread that created it.");
|
|
goto error;
|
|
}
|
|
|
|
if (!shared.d3d) {
|
|
GST_ERROR ("Direct3D device has not been initialized");
|
|
goto error;
|
|
}
|
|
|
|
/* This is technically a bit different from the normal. We don't call reset(), instead */
|
|
/* we recreate everything from scratch. */
|
|
|
|
/* Release the device */
|
|
if (!gst_d3dvideosink_release_d3d_device (sink))
|
|
goto error;
|
|
|
|
/* Recreate device */
|
|
if (!gst_d3dvideosink_initialize_d3d_device (sink))
|
|
goto error;
|
|
|
|
/* Let the hidden window know that it's okay to kill the timer */
|
|
gst_d3dvideosink_notify_device_reset (sink);
|
|
|
|
GST_DEBUG ("Direct3D device has successfully been reset.");
|
|
return TRUE;
|
|
error:
|
|
GST_DEBUG ("Unable to successfully reset the Direct3D device.");
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_release_d3d_device (GstD3DVideoSink * sink)
|
|
{
|
|
if (sink->d3d_offscreen_surface) {
|
|
int ref_count;
|
|
ref_count = IDirect3DSurface9_Release (sink->d3d_offscreen_surface);
|
|
sink->d3d_offscreen_surface = NULL;
|
|
GST_DEBUG_OBJECT (sink,
|
|
"Direct3D offscreen surface released. Reference count: %d", ref_count);
|
|
}
|
|
if (sink->d3ddev) {
|
|
int ref_count;
|
|
ref_count = IDirect3DDevice9_Release (sink->d3ddev);
|
|
sink->d3ddev = NULL;
|
|
GST_DEBUG_OBJECT (sink, "Direct3D device released. Reference count: %d",
|
|
ref_count);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_release_direct3d (GstD3DVideoSink * sink)
|
|
{
|
|
GST_DEBUG ("Cleaning all Direct3D objects");
|
|
GST_D3DVIDEOSINK_SHARED_D3D_LOCK;
|
|
/* Be absolutely sure that we've released this sink's hook (if any). */
|
|
gst_d3dvideosink_unhook_window_for_renderer (sink);
|
|
|
|
/* Remove item from the list */
|
|
shared.element_list = g_list_remove (shared.element_list, sink);
|
|
|
|
/* Decrement our count of the number of elements we have */
|
|
shared.element_count--;
|
|
if (shared.element_count < 0)
|
|
shared.element_count = 0;
|
|
if (shared.element_count > 0)
|
|
goto success;
|
|
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_LOCK (sink);
|
|
gst_d3dvideosink_release_d3d_device (sink);
|
|
GST_D3DVIDEOSINK_D3D_DEVICE_UNLOCK (sink);
|
|
|
|
if (shared.d3d) {
|
|
int ref_count;
|
|
ref_count = IDirect3D9_Release (shared.d3d);
|
|
shared.d3d = NULL;
|
|
GST_DEBUG ("Direct3D object released. Reference count: %d", ref_count);
|
|
}
|
|
|
|
GST_DEBUG ("Closing hidden Direct3D window");
|
|
gst_d3dvideosink_close_shared_hidden_window (sink);
|
|
|
|
success:
|
|
GST_D3DVIDEOSINK_SHARED_D3D_UNLOCK;
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_window_size (GstD3DVideoSink * sink, gint * width,
|
|
gint * height)
|
|
{
|
|
if (!sink || !sink->window_handle) {
|
|
if (width && height) {
|
|
*width = 0;
|
|
*height = 0;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
{
|
|
RECT sz;
|
|
GetClientRect (sink->window_handle, &sz);
|
|
|
|
*width = MAX (1, ABS (sz.right - sz.left));
|
|
*height = MAX (1, ABS (sz.bottom - sz.top));
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_navigation_send_event (GstNavigation * navigation,
|
|
GstStructure * structure)
|
|
{
|
|
GstD3DVideoSink *sink = GST_D3DVIDEOSINK (navigation);
|
|
gint window_width;
|
|
gint window_height;
|
|
GstEvent *e;
|
|
GstVideoRectangle src, dst, result;
|
|
double x, y, old_x, old_y;
|
|
GstPad *pad = NULL;
|
|
|
|
gst_d3dvideosink_window_size (sink, &window_width, &window_height);
|
|
|
|
src.w = GST_VIDEO_SINK_WIDTH (sink);
|
|
src.h = GST_VIDEO_SINK_HEIGHT (sink);
|
|
dst.w = window_width;
|
|
dst.h = window_height;
|
|
|
|
e = gst_event_new_navigation (structure);
|
|
|
|
if (sink->keep_aspect_ratio) {
|
|
gst_video_sink_center_rect (src, dst, &result, TRUE);
|
|
} else {
|
|
result.x = 0;
|
|
result.y = 0;
|
|
result.w = dst.w;
|
|
result.h = dst.h;
|
|
}
|
|
|
|
/* 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 = 0;
|
|
} else if (x >= result.x + result.w) {
|
|
x = src.w;
|
|
} else {
|
|
x = MAX (0, MIN (src.w, MAX (0, x - result.x) / result.w * src.w));
|
|
}
|
|
GST_DEBUG_OBJECT (sink,
|
|
"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 = 0;
|
|
} else if (y >= result.y + result.h) {
|
|
y = src.h;
|
|
} else {
|
|
y = MAX (0, MIN (src.h, MAX (0, y - result.y) / result.h * src.h));
|
|
}
|
|
GST_DEBUG_OBJECT (sink,
|
|
"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 (sink));
|
|
|
|
if (GST_IS_PAD (pad) && GST_IS_EVENT (e)) {
|
|
gst_pad_send_event (pad, e);
|
|
gst_object_unref (pad);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3dvideosink_direct3d_supported (GstD3DVideoSink * sink)
|
|
{
|
|
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
|
|
|
|
return (klass != NULL && klass->is_directx_supported);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_log_debug (const gchar * file, const gchar * function,
|
|
gint line, const gchar * format, va_list args)
|
|
{
|
|
if (G_UNLIKELY (GST_LEVEL_DEBUG <= _gst_debug_min))
|
|
gst_debug_log_valist (GST_CAT_DEFAULT, GST_LEVEL_DEBUG, file, function,
|
|
line, NULL, format, args);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_log_warning (const gchar * file, const gchar * function,
|
|
gint line, const gchar * format, va_list args)
|
|
{
|
|
if (G_UNLIKELY (GST_LEVEL_WARNING <= _gst_debug_min))
|
|
gst_debug_log_valist (GST_CAT_DEFAULT, GST_LEVEL_WARNING, file, function,
|
|
line, NULL, format, args);
|
|
}
|
|
|
|
static void
|
|
gst_d3dvideosink_log_error (const gchar * file, const gchar * function,
|
|
gint line, const gchar * format, va_list args)
|
|
{
|
|
if (G_UNLIKELY (GST_LEVEL_ERROR <= _gst_debug_min))
|
|
gst_debug_log_valist (GST_CAT_DEFAULT, GST_LEVEL_ERROR, file, function,
|
|
line, NULL, format, args);
|
|
}
|
|
|
|
/* Plugin entry point */
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
/* PRIMARY: this is the best videosink to use on windows */
|
|
if (!gst_element_register (plugin, "d3dvideosink",
|
|
GST_RANK_PRIMARY, GST_TYPE_D3DVIDEOSINK))
|
|
return FALSE;
|
|
|
|
GST_DEBUG_CATEGORY_INIT (d3dvideosink_debug, "d3dvideosink", 0,
|
|
"Direct3D video sink");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
d3dsinkwrapper,
|
|
"Direct3D sink wrapper plugin",
|
|
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|