2 ** Copyright (c) 2009 Blackmagic Design
4 ** Permission is hereby granted, free of charge, to any person or organization
5 ** obtaining a copy of the software and accompanying documentation covered by
6 ** this license (the "Software") to use, reproduce, display, distribute,
7 ** execute, and transmit the Software, and to prepare derivative works of the
8 ** Software, and to permit third-parties to whom the Software is furnished to
9 ** do so, all subject to the following:
11 ** The copyright notices in the Software and this entire statement, including
12 ** the above license grant, this restriction and the following disclaimer,
13 ** must be included in all copies of the Software, in whole or in part, and
14 ** all derivative works of the Software, unless such copies or derivative
15 ** works are solely in the form of machine-executable object code generated by
16 ** a source language processor.
18 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 ** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
21 ** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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23 ** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 ** DEALINGS IN THE SOFTWARE.
32 #include "DeckLinkAPI_v7_6.h"
34 #define kDeckLinkAPI_Name "libDeckLinkAPI.so"
35 #define KDeckLinkPreviewAPI_Name "libDeckLinkPreviewAPI.so"
37 typedef IDeckLinkIterator* (*CreateIteratorFunc_v7_6)(void);
38 typedef IDeckLinkGLScreenPreviewHelper_v7_6* (*CreateOpenGLScreenPreviewHelperFunc_v7_6)(void);
39 typedef IDeckLinkVideoConversion_v7_6* (*CreateVideoConversionInstanceFunc_v7_6)(void);
41 static pthread_once_t gDeckLinkOnceControl = PTHREAD_ONCE_INIT;
42 static pthread_once_t gPreviewOnceControl = PTHREAD_ONCE_INIT;
44 static CreateIteratorFunc_v7_6 gCreateIteratorFunc = NULL;
45 static CreateOpenGLScreenPreviewHelperFunc_v7_6 gCreateOpenGLPreviewFunc = NULL;
46 static CreateVideoConversionInstanceFunc_v7_6 gCreateVideoConversionFunc = NULL;
48 void InitDeckLinkAPI_v7_6 (void)
52 libraryHandle = dlopen(kDeckLinkAPI_Name, RTLD_NOW|RTLD_GLOBAL);
55 fprintf(stderr, "%s\n", dlerror());
59 gCreateIteratorFunc = (CreateIteratorFunc_v7_6)dlsym(libraryHandle, "CreateDeckLinkIteratorInstance");
60 if (!gCreateIteratorFunc)
61 fprintf(stderr, "%s\n", dlerror());
62 gCreateVideoConversionFunc = (CreateVideoConversionInstanceFunc_v7_6)dlsym(libraryHandle, "CreateVideoConversionInstance");
63 if (!gCreateVideoConversionFunc)
64 fprintf(stderr, "%s\n", dlerror());
67 void InitDeckLinkPreviewAPI_v7_6 (void)
71 libraryHandle = dlopen(KDeckLinkPreviewAPI_Name, RTLD_NOW|RTLD_GLOBAL);
74 fprintf(stderr, "%s\n", dlerror());
77 gCreateOpenGLPreviewFunc = (CreateOpenGLScreenPreviewHelperFunc_v7_6)dlsym(libraryHandle, "CreateOpenGLScreenPreviewHelper");
78 if (!gCreateOpenGLPreviewFunc)
79 fprintf(stderr, "%s\n", dlerror());
82 IDeckLinkIterator* CreateDeckLinkIteratorInstance_v7_6 (void)
84 pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI_v7_6);
86 if (gCreateIteratorFunc == NULL)
88 return gCreateIteratorFunc();
91 IDeckLinkGLScreenPreviewHelper_v7_6* CreateOpenGLScreenPreviewHelper_v7_6 (void)
93 pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI_v7_6);
94 pthread_once(&gPreviewOnceControl, InitDeckLinkPreviewAPI_v7_6);
96 if (gCreateOpenGLPreviewFunc == NULL)
98 return gCreateOpenGLPreviewFunc();
101 IDeckLinkVideoConversion_v7_6* CreateVideoConversionInstance_v7_6 (void)
103 pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI_v7_6);
105 if (gCreateVideoConversionFunc == NULL)
107 return gCreateVideoConversionFunc();