1 /*
2  * libjingle
3  * Copyright 2013 Google Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
10  *  2. Redistributions in binary form must reproduce the above copyright notice,
11  *     this list of conditions and the following disclaimer in the documentation
12  *     and/or other materials provided with the distribution.
13  *  3. The name of the author may not be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #import <Foundation/Foundation.h>
29 
30 // RTCI420Frame is an ObjectiveC version of cricket::VideoFrame.
31 @interface RTCI420Frame : NSObject
32 
33 @property(nonatomic, readonly) NSUInteger width;
34 @property(nonatomic, readonly) NSUInteger height;
35 @property(nonatomic, readonly) NSUInteger chromaWidth;
36 @property(nonatomic, readonly) NSUInteger chromaHeight;
37 @property(nonatomic, readonly) NSUInteger chromaSize;
38 // These can return NULL if the object is not backed by a buffer.
39 @property(nonatomic, readonly) const uint8_t* yPlane;
40 @property(nonatomic, readonly) const uint8_t* uPlane;
41 @property(nonatomic, readonly) const uint8_t* vPlane;
42 @property(nonatomic, readonly) NSInteger yPitch;
43 @property(nonatomic, readonly) NSInteger uPitch;
44 @property(nonatomic, readonly) NSInteger vPitch;
45 
46 - (BOOL)makeExclusive;
47 
48 #ifndef DOXYGEN_SHOULD_SKIP_THIS
49 // Disallow init and don't add to documentation
50 - (id)init __attribute__((
51     unavailable("init is not a supported initializer for this class.")));
52 #endif /* DOXYGEN_SHOULD_SKIP_THIS */
53 
54 @end
55 
56