1 /* This file is part of the Pangolin Project.
2  * http://github.com/stevenlovegrove/Pangolin
3  *
4  * Copyright (c) 2013 Steven Lovegrove
5  *
6  * Permission is hereby granted, free of charge, to any person
7  * obtaining a copy of this software and associated documentation
8  * files (the "Software"), to deal in the Software without
9  * restriction, including without limitation the rights to use,
10  * copy, modify, merge, publish, distribute, sublicense, and/or sell
11  * copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following
13  * conditions:
14  *
15  * The above copyright notice and this permission notice shall be
16  * included in all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
20  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25  * OTHER DEALINGS IN THE SOFTWARE.
26  */
27 
28 #pragma once
29 
30 #include <pangolin/video/video.h>
31 #include <vector>
32 
33 namespace pangolin
34 {
35 
36 class PANGOLIN_EXPORT SplitVideo
37     : public VideoInterface, public VideoFilterInterface
38 {
39 public:
40     SplitVideo(std::unique_ptr<VideoInterface>& videoin, const std::vector<StreamInfo>& streams);
41 
42     ~SplitVideo();
43 
44     size_t SizeBytes() const;
45 
46     const std::vector<StreamInfo>& Streams() const;
47 
48     void Start();
49 
50     void Stop();
51 
52     bool GrabNext( unsigned char* image, bool wait = true );
53 
54     bool GrabNewest( unsigned char* image, bool wait = true );
55 
56     std::vector<VideoInterface*>& InputStreams();
57 
58 protected:
59     std::unique_ptr<VideoInterface> src;
60     std::vector<VideoInterface*> videoin;
61     std::vector<StreamInfo> streams;
62 };
63 
64 
65 }
66