1 /* GStreamer 2 * 3 * Copyright (C) 2009 Texas Instruments, Inc - http://www.ti.com/ 4 * 5 * Description: V4L2 sink element 6 * Created on: Jul 2, 2009 7 * Author: Rob Clark <rob@ti.com> 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public 20 * License along with this library; if not, write to the 21 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25 #ifndef __GSTV4L2SINK_H__ 26 #define __GSTV4L2SINK_H__ 27 28 #include <gst/video/gstvideosink.h> 29 #include <gstv4l2object.h> 30 #include <gstv4l2bufferpool.h> 31 32 G_BEGIN_DECLS 33 34 #define GST_TYPE_V4L2SINK \ 35 (gst_v4l2sink_get_type()) 36 #define GST_V4L2SINK(obj) \ 37 (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_V4L2SINK, GstV4l2Sink)) 38 #define GST_V4L2SINK_CLASS(klass) \ 39 (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_V4L2SINK, GstV4l2SinkClass)) 40 #define GST_IS_V4L2SINK(obj) \ 41 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_V4L2SINK)) 42 #define GST_IS_V4L2SINK_CLASS(klass) \ 43 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_V4L2SINK)) 44 45 typedef struct _GstV4l2Sink GstV4l2Sink; 46 typedef struct _GstV4l2SinkClass GstV4l2SinkClass; 47 48 49 struct _GstV4l2Sink { 50 GstVideoSink videosink; 51 52 /*< private >*/ 53 GstV4l2Object * v4l2object; 54 55 gint video_width, video_height; /* original (unscaled) video w/h */ 56 57 /* 58 * field to store requested overlay and crop top/left/width/height props: 59 * note, could maybe be combined with 'vwin' field in GstV4l2Object? 60 */ 61 struct v4l2_rect overlay, crop; 62 63 /* 64 * bitmask to track which overlay and crop fields user has requested by 65 * setting properties: 66 */ 67 guint8 overlay_fields_set, crop_fields_set; 68 }; 69 70 struct _GstV4l2SinkClass { 71 GstVideoSinkClass parent_class; 72 73 GList *v4l2_class_devices; 74 }; 75 76 GType gst_v4l2sink_get_type(void); 77 78 G_END_DECLS 79 80 81 #endif /* __GSTV4L2SINK_H__ */ 82