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1 /*
2  * Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.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 __GST_AVF_VIDEO_SRC_H__
21 #define __GST_AVF_VIDEO_SRC_H__
22 
23 #import <AVFoundation/AVFoundation.h>
24 #include <gst/base/gstpushsrc.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_AVF_VIDEO_SRC \
29   (gst_avf_video_src_get_type ())
30 #define GST_AVF_VIDEO_SRC(obj) \
31   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_AVF_VIDEO_SRC, GstAVFVideoSrc))
32 #define GST_AVF_VIDEO_SRC_CAST(obj) \
33   ((GstAVFVideoSrc *) (obj))
34 #define GST_AVF_VIDEO_SRC_CLASS(klass) \
35   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_AVF_VIDEO_SRC, GstAVFVideoSrcClass))
36 #define GST_AVF_VIDEO_SRC_IMPL(obj) \
37   ((__bridge GstAVFVideoSrcImpl *) GST_AVF_VIDEO_SRC_CAST (obj)->impl)
38 #define GST_IS_AVF_VIDEO_SRC(obj) \
39   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_AVF_VIDEO_SRC))
40 #define GST_IS_AVF_VIDEO_SRC_CLASS(klass) \
41   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_AVF_VIDEO_SRC))
42 
43 typedef struct _GstAVFVideoSrc         GstAVFVideoSrc;
44 typedef struct _GstAVFVideoSrcClass    GstAVFVideoSrcClass;
45 
46 typedef enum
47 {
48     GST_AVF_VIDEO_SOURCE_POSITION_DEFAULT,
49     GST_AVF_VIDEO_SOURCE_POSITION_FRONT,
50     GST_AVF_VIDEO_SOURCE_POSITION_BACK,
51 } GstAVFVideoSourcePosition;
52 
53 typedef enum
54 {
55     GST_AVF_VIDEO_SOURCE_ORIENTATION_DEFAULT,
56     GST_AVF_VIDEO_SOURCE_ORIENTATION_PORTRAIT,
57     GST_AVF_VIDEO_SOURCE_ORIENTATION_PORTRAIT_UPSIDE_DOWN,
58     GST_AVF_VIDEO_SOURCE_ORIENTATION_LANDSCAPE_RIGHT,
59     GST_AVF_VIDEO_SOURCE_ORIENTATION_LANDSCAPE_LEFT,
60 } GstAVFVideoSourceOrientation;
61 
62 typedef enum
63 {
64     GST_AVF_VIDEO_SOURCE_DEVICE_TYPE_DEFAULT,
65     GST_AVF_VIDEO_SOURCE_DEVICE_TYPE_BUILT_IN_WIDE_ANGLE_CAMERA,
66     GST_AVF_VIDEO_SOURCE_DEVICE_TYPE_BUILT_IN_TELEPHOTO_CAMERA,
67     GST_AVF_VIDEO_SOURCE_DEVICE_TYPE_BUILT_IN_DUAL_CAMERA,
68 } GstAVFVideoSourceDeviceType;
69 
70 struct _GstAVFVideoSrc
71 {
72   GstPushSrc push_src;
73 
74   /* NOTE: ARC no longer allows Objective-C pointers in structs. */
75   /* Instead, use gpointer with explicit __bridge_* calls */
76   gpointer impl;
77 };
78 
79 struct _GstAVFVideoSrcClass
80 {
81   GstPushSrcClass parent_class;
82 };
83 
84 GType gst_avf_video_src_get_type (void);
85 
86 GstCaps *gst_av_capture_device_get_caps (AVCaptureDevice *device, AVCaptureVideoDataOutput *output, GstAVFVideoSourceOrientation orientation);
87 
88 G_END_DECLS
89 
90 #endif /* __GST_AVF_VIDEO_SRC_H__ */
91