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 std::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::unique_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  std::shared_ptr<VaapiSurface> acquireSurface();
82 
84  void releaseSurface(std::shared_ptr<VaapiSurface> surface);
85 
87  void setData(std::unique_ptr<VaapiContextData> user_data) { _user_data = std::move(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 
gnash::VAAPI_CODEC_VC1
@ VAAPI_CODEC_VC1
Definition: VaapiContext.h:40
gnash::VaapiContext
VA context abstraction.
Definition: VaapiContext.h:51
gnash::VaapiContextData::~VaapiContextData
virtual ~VaapiContextData()
Definition: VaapiContext.h:46
VaapiException.h
height
@ height
Definition: klash_part.cpp:329
gnash::VaapiGlobalContext
VA API global context.
Definition: VaapiGlobalContext.h:33
gnash::VaapiGlobalContext::display
VADisplay display() const
Get the VA display.
Definition: VaapiGlobalContext.h:71
gnash::VAAPI_CODEC_MPEG2
@ VAAPI_CODEC_MPEG2
Definition: VaapiContext.h:37
gnash::log_debug
void log_debug(StringType msg, Args... args)
Definition: log.h:301
gnash::key::i
@ i
Definition: GnashKey.h:155
gnash
Anonymous namespace for callbacks, local functions, event handlers etc.
Definition: dbus_ext.cpp:41
gnash::VaapiContext::initDecoder
bool initDecoder(unsigned int width, unsigned int height)
Initialize VA decoder for the specified picture dimensions.
Definition: VaapiContext.cpp:226
GNASH_REPORT_FUNCTION
#define GNASH_REPORT_FUNCTION
Definition: log.h:452
gnash::VaapiGlobalContext::get
static VaapiGlobalContext * get()
Get the unique global VA context.
Definition: VaapiGlobalContext.cpp:130
VaapiContext.h
gnash::VaapiCodec
VaapiCodec
VA codec.
Definition: VaapiContext.h:35
gnash::VAAPI_CODEC_MPEG4
@ VAAPI_CODEC_MPEG4
Definition: VaapiContext.h:38
gnash::VaapiContext::get
VAContextID get() const
Return VA context.
Definition: VaapiContext.h:78
gnash::VaapiContext::setData
void setData(std::unique_ptr< VaapiContextData > user_data)
Set user data.
Definition: VaapiContext.h:87
gnash::vaapi_check_status
bool vaapi_check_status(VAStatus status, const char *msg)
Check VA status for success or print out an error.
Definition: vaapi_utils.cpp:51
vaapi_common.h
gnash::VaapiContext::getData
VaapiContextData * getData() const
Get user data.
Definition: VaapiContext.h:90
VaapiGlobalContext.h
gnash::VaapiContext::~VaapiContext
~VaapiContext()
Definition: VaapiContext.cpp:114
VaapiSurface.h
log.h
gnash::VAAPI_CODEC_UNKNOWN
@ VAAPI_CODEC_UNKNOWN
Definition: VaapiContext.h:36
gnash::config
struct lirc_config * config
Definition: lirc_ext.cpp:43
gnash::VaapiContextData
VA context user-data.
Definition: VaapiContext.h:44
DSOEXPORT
#define DSOEXPORT
Definition: dsodefs.h:55
gnash::VaapiException
VA exception abstraction.
Definition: VaapiException.h:29
VaapiDisplay.h
gnash::VaapiContext::releaseSurface
void releaseSurface(std::shared_ptr< VaapiSurface > surface)
Release surface.
Definition: VaapiContext.cpp:249
width
@ width
Definition: klash_part.cpp:329
gnash::VaapiContext::acquireSurface
std::shared_ptr< VaapiSurface > acquireSurface()
Get a free surface.
Definition: VaapiContext.cpp:239
gnash::VaapiContext::VaapiContext
VaapiContext(VAProfile profile, VAEntrypoint entrypoint)
Definition: VaapiContext.cpp:94
vaapi_utils.h
gnash::string_of_VAProfile
const char * string_of_VAProfile(VAProfile profile)
Return a string representation of a VAProfile.
Definition: vaapi_utils.cpp:76
gnash::VAAPI_CODEC_H264
@ VAAPI_CODEC_H264
Definition: VaapiContext.h:39