1 /* GStreamer 2 * Copyright (C) 2008 Pioneers of the Inevitable <songbird@songbirdnest.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __DSHOWVIDEOSINK_H__ 21 #define __DSHOWVIDEOSINK_H__ 22 23 #include <gst/gst.h> 24 #include <gst/video/video.h> 25 #include <gst/video/gstvideosink.h> 26 27 #include "dshowvideofakesrc.h" 28 29 #include <dshow.h> 30 31 #include "d3d9.h" 32 #include "vmr9.h" 33 #include "evr.h" 34 #include "mfidl.h" 35 36 #pragma warning( disable : 4090 4024) 37 38 G_BEGIN_DECLS 39 #define GST_TYPE_DSHOWVIDEOSINK (gst_dshowvideosink_get_type()) 40 #define GST_DSHOWVIDEOSINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEOSINK,GstDshowVideoSink)) 41 #define GST_DSHOWVIDEOSINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEOSINK,GstDshowVideoSinkClass)) 42 #define GST_IS_DSHOWVIDEOSINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEOSINK)) 43 #define GST_IS_DSHOWVIDEOSINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEOSINK)) 44 typedef struct _GstDshowVideoSink GstDshowVideoSink; 45 typedef struct _GstDshowVideoSinkClass GstDshowVideoSinkClass; 46 47 #define GST_DSHOWVIDEOSINK_GRAPH_LOCK(sink) g_mutex_lock (&GST_DSHOWVIDEOSINK (sink)->graph_lock) 48 #define GST_DSHOWVIDEOSINK_GRAPH_UNLOCK(clock) g_mutex_unlock (&GST_DSHOWVIDEOSINK (sink)->graph_lock) 49 50 /* Renderer-specific support classes */ 51 class RendererSupport 52 { 53 public: ~RendererSupport()54 virtual ~RendererSupport() {}; 55 virtual const char *GetName() = 0; 56 virtual IBaseFilter *GetFilter() = 0; 57 virtual gboolean Configure() = 0; 58 virtual gboolean SetRendererWindow(HWND window) = 0; 59 virtual void PaintWindow() = 0; 60 virtual void MoveWindow() = 0; 61 virtual void DestroyWindow() = 0; 62 virtual void DisplayModeChanged() = 0; 63 virtual void SetAspectRatioMode() = 0; 64 }; 65 66 struct _GstDshowVideoSink 67 { 68 GstVideoSink sink; 69 70 /* Preferred renderer to use: VM9 or VMR */ 71 char *preferredrenderer; 72 73 /* The filter graph (DirectShow equivalent to pipeline */ 74 IFilterGraph *filter_graph; 75 76 IMediaEventEx *filter_media_event; 77 78 /* Renderer wrapper (EVR, VMR9, or VMR) and support code */ 79 RendererSupport *renderersupport; 80 81 /* Our fakesrc filter */ 82 VideoFakeSrc *fakesrc; 83 84 /* DirectShow description of media type (equivalent of GstCaps) */ 85 AM_MEDIA_TYPE mediatype; 86 87 gboolean keep_aspect_ratio; 88 gboolean full_screen; 89 90 /* If the window is closed, we set this and error out */ 91 gboolean window_closed; 92 93 /* The video window set through GstXOverlay */ 94 HWND window_id; 95 96 /* If we created the window, it needs to be closed in ::stop() */ 97 gboolean is_new_window; 98 99 gboolean connected; 100 gboolean graph_running; 101 102 /* If we create our own window, we run it from another thread */ 103 GThread *window_thread; 104 HANDLE window_created_signal; 105 106 /* If we use an app-supplied window, we need to hook its WNDPROC */ 107 WNDPROC prevWndProc; 108 109 /* Lock for transitions */ 110 GMutex graph_lock; 111 112 gboolean comInitialized; 113 GMutex com_init_lock; 114 GMutex com_deinit_lock; 115 GCond com_initialized; 116 GCond com_uninitialize; 117 GCond com_uninitialized; 118 }; 119 120 struct _GstDshowVideoSinkClass 121 { 122 GstVideoSinkClass parent_class; 123 }; 124 125 GType gst_dshowvideosink_get_type (void); 126 127 G_END_DECLS 128 #endif /* __DSHOWVIDEOSINK_H__ */ 129