Gnash  0.8.11dev
VaapiContext.h
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1 // VaapiContext.h: VA context abstraction
2 //
3 // Copyright (C) 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 3 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 //
19 
20 #ifndef GNASH_VAAPICONTEXT_H
21 #define GNASH_VAAPICONTEXT_H
22 
23 
24 #include <queue>
25 
26 #include "log.h"
27 #include "vaapi_common.h"
28 
29 namespace gnash {
30 
31 // Forward declarations
32 class VaapiSurface;
33 
35 enum VaapiCodec {
41 };
42 
45 public:
47  { /* do nothing */ }
48 };
49 
52  typedef boost::shared_ptr<VaapiSurface> VaapiSurfaceSP;
53 
54  VADisplay _display;
55  VAConfigID _config;
56  VAContextID _context;
57  VaapiCodec _codec;
58  VAProfile _profile;
59  VAEntrypoint _entrypoint;
60  std::queue<VaapiSurfaceSP> _surfaces;
61  unsigned int _picture_width;
62  unsigned int _picture_height;
63  std::auto_ptr<VaapiContextData> _user_data;
64 
65  bool construct();
66  void destruct();
67  bool createContext(unsigned int width, unsigned int height);
68  void destroyContext();
69 
70 public:
71  VaapiContext(VAProfile profile, VAEntrypoint entrypoint);
72  ~VaapiContext();
73 
75  bool initDecoder(unsigned int width, unsigned int height);
76 
78  VAContextID get() const { return _context; }
79 
81  boost::shared_ptr<VaapiSurface> acquireSurface();
82 
84  void releaseSurface(boost::shared_ptr<VaapiSurface> surface);
85 
87  void setData(std::auto_ptr<VaapiContextData> user_data) { _user_data = user_data; }
88 
90  VaapiContextData *getData() const { return _user_data.get(); }
91 };
92 
93 } // gnash namespace
94 
95 #endif // GNASH_VAAPICONTEXT_H
96 
97 // local Variables:
98 // mode: C++
99 // indent-tabs-mode: nil
100 // End:
101 
102