1 /* GStreamer 2 * Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net> 3 * 4 * gstdshowvideosrc.h: 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_DSHOWVIDEOSRC_H__ 23 #define __GST_DSHOWVIDEOSRC_H__ 24 25 #include <glib.h> 26 #include <gst/gst.h> 27 #include <gst/base/gstpushsrc.h> 28 29 #include "gstdshow.h" 30 #include "gstdshowfakesink.h" 31 32 // 30323449-0000-0010-8000-00AA00389B71 MEDIASUBTYPE_I420 33 DEFINE_GUID (MEDIASUBTYPE_I420, 0x30323449, 0x0000, 0x0010, 0x80, 0x00, 0x00, 34 0xAA, 0x00, 0x38, 0x9B, 0x71); 35 DEFINE_GUID (MEDIASUBTYPE_UYVY, 0x59565955, 0x0000, 0x0010, 0x80, 0x00, 0x00, 36 0xAA, 0x00, 0x38, 0x9B, 0x71); 37 38 G_BEGIN_DECLS 39 #define GST_TYPE_DSHOWVIDEOSRC (gst_dshowvideosrc_get_type()) 40 #define GST_DSHOWVIDEOSRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEOSRC,GstDshowVideoSrc)) 41 #define GST_DSHOWVIDEOSRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEOSRC,GstDshowVideoSrcClass)) 42 #define GST_IS_DSHOWVIDEOSRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEOSRC)) 43 #define GST_IS_DSHOWVIDEOSRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEOSRC)) 44 typedef struct _GstDshowVideoSrc GstDshowVideoSrc; 45 typedef struct _GstDshowVideoSrcClass GstDshowVideoSrcClass; 46 47 48 struct _GstDshowVideoSrc 49 { 50 GstPushSrc src; 51 52 /* device dshow reference (generally classid/name) */ 53 gchar *device; 54 55 /* device friendly name */ 56 gchar *device_name; 57 58 /* device index */ 59 gint device_index; 60 61 /* list of caps created from the list of supported media types of the dshow capture filter */ 62 GstCaps *caps; 63 64 /* list of dshow media types from the filter's capture pins */ 65 GList *pins_mediatypes; 66 67 /* dshow video capture filter */ 68 IBaseFilter *video_cap_filter; 69 70 /* dshow sink filter */ 71 CDshowFakeSink *dshow_fakesink; 72 73 /* graph manager interfaces */ 74 IMediaFilter *media_filter; 75 IFilterGraph *filter_graph; 76 77 IGraphBuilder *graph_builder; 78 ICaptureGraphBuilder2 *capture_builder; 79 IAMVideoCompression *pVC; 80 //IAMVfwCaptureDialogs *pDlg; 81 //IAMStreamConfig *pASC; // for audio cap 82 IAMStreamConfig *pVSC; // for video cap 83 84 /* the last buffer from DirectShow */ 85 GCond buffer_cond; 86 GMutex buffer_mutex; 87 GstBuffer *buffer; 88 gboolean stop_requested; 89 90 gboolean is_rgb; 91 gboolean is_running; 92 gint width; 93 gint height; 94 }; 95 96 struct _GstDshowVideoSrcClass 97 { 98 GstPushSrcClass parent_class; 99 }; 100 101 GType gst_dshowvideosrc_get_type (void); 102 103 104 GstCaps * gst_dshowvideosrc_getcaps_from_capture_filter (IBaseFilter * filter, 105 GList ** pins_mediatypes); 106 107 108 G_END_DECLS 109 #endif /* __GST_DSHOWVIDEOSRC_H__ */ 110