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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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a51d318759
* Inherit from GstVideoSink * Implement GstNavigation interface * Proper COM initialization for threaded environments * Fix Window resource leak * Add EVR support for better video scaling on Windows Vista and above * Only apply PAR scaling when the keep_aspect_ratio property is set to stay consistent with the other Linux sinks * Prevent an infinite loop with the wndproc chain * Fix debugging messages to use the object instance
127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
/* GStreamer
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* Copyright (C) 2008 Pioneers of the Inevitable <songbird@songbirdnest.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __DSHOWVIDEOSINK_H__
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#define __DSHOWVIDEOSINK_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include "dshowvideofakesrc.h"
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#include <dshow.h>
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#include "d3d9.h"
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#include "vmr9.h"
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#include "evr.h"
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#include "mfidl.h"
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#pragma warning( disable : 4090 4024)
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G_BEGIN_DECLS
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#define GST_TYPE_DSHOWVIDEOSINK (gst_dshowvideosink_get_type())
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#define GST_DSHOWVIDEOSINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEOSINK,GstDshowVideoSink))
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#define GST_DSHOWVIDEOSINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEOSINK,GstDshowVideoSinkClass))
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#define GST_IS_DSHOWVIDEOSINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEOSINK))
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#define GST_IS_DSHOWVIDEOSINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEOSINK))
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typedef struct _GstDshowVideoSink GstDshowVideoSink;
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typedef struct _GstDshowVideoSinkClass GstDshowVideoSinkClass;
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#define GST_DSHOWVIDEOSINK_GRAPH_LOCK(sink) g_mutex_lock (GST_DSHOWVIDEOSINK (sink)->graph_lock)
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#define GST_DSHOWVIDEOSINK_GRAPH_UNLOCK(clock) g_mutex_unlock (GST_DSHOWVIDEOSINK (sink)->graph_lock)
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/* Renderer-specific support classes */
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class RendererSupport
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{
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public:
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virtual ~RendererSupport() {};
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virtual const char *GetName() = 0;
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virtual IBaseFilter *GetFilter() = 0;
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virtual gboolean Configure() = 0;
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virtual gboolean SetRendererWindow(HWND window) = 0;
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virtual void PaintWindow() = 0;
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virtual void MoveWindow() = 0;
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virtual void DestroyWindow() = 0;
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virtual void DisplayModeChanged() = 0;
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virtual void SetAspectRatioMode() = 0;
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};
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struct _GstDshowVideoSink
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{
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GstVideoSink sink;
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/* Preferred renderer to use: VM9 or VMR */
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char *preferredrenderer;
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/* The filter graph (DirectShow equivalent to pipeline */
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IFilterGraph *filter_graph;
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IMediaEventEx *filter_media_event;
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/* Renderer wrapper (EVR, VMR9, or VMR) and support code */
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RendererSupport *renderersupport;
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/* Our fakesrc filter */
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VideoFakeSrc *fakesrc;
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/* DirectShow description of media type (equivalent of GstCaps) */
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AM_MEDIA_TYPE mediatype;
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gboolean keep_aspect_ratio;
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gboolean full_screen;
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/* If the window is closed, we set this and error out */
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gboolean window_closed;
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/* The video window set through GstXOverlay */
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HWND window_id;
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/* If we created the window, it needs to be closed in ::stop() */
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gboolean is_new_window;
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gboolean connected;
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gboolean graph_running;
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/* If we create our own window, we run it from another thread */
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GThread *window_thread;
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HANDLE window_created_signal;
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/* If we use an app-supplied window, we need to hook its WNDPROC */
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WNDPROC prevWndProc;
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/* Lock for transitions */
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GMutex *graph_lock;
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gboolean comInitialized;
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GMutex *com_init_lock;
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GMutex *com_deinit_lock;
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GCond *com_initialized;
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GCond *com_uninitialize;
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GCond *com_uninitialized;
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};
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struct _GstDshowVideoSinkClass
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{
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GstVideoSinkClass parent_class;
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};
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GType gst_dshowvideosink_get_type (void);
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G_END_DECLS
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#endif /* __DSHOWVIDEOSINK_H__ */
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