| /* -LICENSE-START- |
| ** Copyright (c) 2009 Blackmagic Design |
| ** |
| ** Permission is hereby granted, free of charge, to any person or organization |
| ** obtaining a copy of the software and accompanying documentation covered by |
| ** this license (the "Software") to use, reproduce, display, distribute, |
| ** execute, and transmit the Software, and to prepare derivative works of the |
| ** Software, and to permit third-parties to whom the Software is furnished to |
| ** do so, all subject to the following: |
| ** |
| ** The copyright notices in the Software and this entire statement, including |
| ** the above license grant, this restriction and the following disclaimer, |
| ** must be included in all copies of the Software, in whole or in part, and |
| ** all derivative works of the Software, unless such copies or derivative |
| ** works are solely in the form of machine-executable object code generated by |
| ** a source language processor. |
| ** |
| ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| ** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
| ** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
| ** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
| ** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| ** DEALINGS IN THE SOFTWARE. |
| ** -LICENSE-END- |
| */ |
| /* DeckLinkAPIDispatch.cpp */ |
| |
| #include "DeckLinkAPI.h" |
| #include <pthread.h> |
| |
| #if BLACKMAGIC_DECKLINK_API_MAGIC != 1 |
| #error The DeckLink API version of DeckLinkAPIDispatch.cpp is not the same version as DeckLinkAPI.h |
| #endif |
| |
| #define kDeckLinkAPI_BundlePath "/Library/Frameworks/DeckLinkAPI.framework" |
| |
| |
| typedef IDeckLinkIterator* (*CreateIteratorFunc)(void); |
| typedef IDeckLinkAPIInformation* (*CreateAPIInformationFunc)(void); |
| typedef IDeckLinkGLScreenPreviewHelper* (*CreateOpenGLScreenPreviewHelperFunc)(void); |
| typedef IDeckLinkCocoaScreenPreviewCallback* (*CreateCocoaScreenPreviewFunc)(void*); |
| typedef IDeckLinkVideoConversion* (*CreateVideoConversionInstanceFunc)(void); |
| typedef IDeckLinkDiscovery* (*CreateDeckLinkDiscoveryInstanceFunc)(void); |
| |
| static pthread_once_t gDeckLinkOnceControl = PTHREAD_ONCE_INIT; |
| static CFBundleRef gDeckLinkAPIBundleRef = NULL; |
| static CreateIteratorFunc gCreateIteratorFunc = NULL; |
| static CreateAPIInformationFunc gCreateAPIInformationFunc = NULL; |
| static CreateOpenGLScreenPreviewHelperFunc gCreateOpenGLPreviewFunc = NULL; |
| static CreateCocoaScreenPreviewFunc gCreateCocoaPreviewFunc = NULL; |
| static CreateVideoConversionInstanceFunc gCreateVideoConversionFunc = NULL; |
| static CreateDeckLinkDiscoveryInstanceFunc gCreateDeckLinkDiscoveryFunc= NULL; |
| |
| |
| static void InitDeckLinkAPI (void) |
| { |
| CFURLRef bundleURL; |
| |
| bundleURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR(kDeckLinkAPI_BundlePath), kCFURLPOSIXPathStyle, true); |
| if (bundleURL != NULL) |
| { |
| gDeckLinkAPIBundleRef = CFBundleCreate(kCFAllocatorDefault, bundleURL); |
| if (gDeckLinkAPIBundleRef != NULL) |
| { |
| gCreateIteratorFunc = (CreateIteratorFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateDeckLinkIteratorInstance_0002")); |
| gCreateAPIInformationFunc = (CreateAPIInformationFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateDeckLinkAPIInformationInstance_0001")); |
| gCreateOpenGLPreviewFunc = (CreateOpenGLScreenPreviewHelperFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateOpenGLScreenPreviewHelper_0001")); |
| gCreateCocoaPreviewFunc = (CreateCocoaScreenPreviewFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateCocoaScreenPreview_0001")); |
| gCreateVideoConversionFunc = (CreateVideoConversionInstanceFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateVideoConversionInstance_0001")); |
| gCreateDeckLinkDiscoveryFunc = (CreateDeckLinkDiscoveryInstanceFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateDeckLinkDiscoveryInstance_0001")); |
| } |
| CFRelease(bundleURL); |
| } |
| } |
| |
| #if 0 |
| bool IsDeckLinkAPIPresent (void) |
| { |
| // If the DeckLink API bundle was successfully loaded, return this knowledge to the caller |
| if (gDeckLinkAPIBundleRef != NULL) |
| return true; |
| |
| return false; |
| } |
| #endif |
| |
| IDeckLinkIterator* CreateDeckLinkIteratorInstance (void) |
| { |
| pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI); |
| |
| if (gCreateIteratorFunc == NULL) |
| return NULL; |
| |
| return gCreateIteratorFunc(); |
| } |
| |
| IDeckLinkAPIInformation* CreateDeckLinkAPIInformationInstance (void) |
| { |
| pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI); |
| |
| if (gCreateAPIInformationFunc == NULL) |
| return NULL; |
| |
| return gCreateAPIInformationFunc(); |
| } |
| |
| IDeckLinkGLScreenPreviewHelper* CreateOpenGLScreenPreviewHelper (void) |
| { |
| pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI); |
| |
| if (gCreateOpenGLPreviewFunc == NULL) |
| return NULL; |
| |
| return gCreateOpenGLPreviewFunc(); |
| } |
| |
| IDeckLinkCocoaScreenPreviewCallback* CreateCocoaScreenPreview (void* parentView) |
| { |
| pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI); |
| |
| if (gCreateCocoaPreviewFunc == NULL) |
| return NULL; |
| |
| return gCreateCocoaPreviewFunc(parentView); |
| } |
| |
| IDeckLinkVideoConversion* CreateVideoConversionInstance (void) |
| { |
| pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI); |
| |
| if (gCreateVideoConversionFunc == NULL) |
| return NULL; |
| |
| return gCreateVideoConversionFunc(); |
| } |
| |
| IDeckLinkDiscovery* CreateDeckLinkDiscoveryInstance (void) |
| { |
| pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI); |
| |
| if (gCreateDeckLinkDiscoveryFunc == NULL) |
| return NULL; |
| |
| return gCreateDeckLinkDiscoveryFunc(); |
| } |
| |
| |
| #define kBMDStreamingAPI_BundlePath "/Library/Application Support/Blackmagic Design/Streaming/BMDStreamingAPI.bundle" |
| |
| typedef IBMDStreamingDiscovery* (*CreateDiscoveryFunc)(void); |
| typedef IBMDStreamingH264NALParser* (*CreateNALParserFunc)(void); |
| |
| static pthread_once_t gBMDStreamingOnceControl = PTHREAD_ONCE_INIT; |
| static CFBundleRef gBMDStreamingAPIBundleRef = NULL; |
| static CreateDiscoveryFunc gCreateDiscoveryFunc = NULL; |
| static CreateNALParserFunc gCreateNALParserFunc = NULL; |
| |
| void InitBMDStreamingAPI(void) |
| { |
| CFURLRef bundleURL; |
| |
| bundleURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR(kBMDStreamingAPI_BundlePath), kCFURLPOSIXPathStyle, true); |
| if (bundleURL != NULL) |
| { |
| gBMDStreamingAPIBundleRef = CFBundleCreate(kCFAllocatorDefault, bundleURL); |
| if (gBMDStreamingAPIBundleRef != NULL) |
| { |
| gCreateDiscoveryFunc = (CreateDiscoveryFunc)CFBundleGetFunctionPointerForName(gBMDStreamingAPIBundleRef, CFSTR("CreateBMDStreamingDiscoveryInstance_0001")); |
| gCreateNALParserFunc = (CreateNALParserFunc)CFBundleGetFunctionPointerForName(gBMDStreamingAPIBundleRef, CFSTR("CreateBMDStreamingH264NALParser_0001")); |
| } |
| |
| CFRelease(bundleURL); |
| } |
| } |
| |
| IBMDStreamingDiscovery* CreateBMDStreamingDiscoveryInstance() |
| { |
| pthread_once(&gBMDStreamingOnceControl, InitBMDStreamingAPI); |
| |
| if (gCreateDiscoveryFunc == NULL) |
| return NULL; |
| |
| return gCreateDiscoveryFunc(); |
| } |
| |
| IBMDStreamingH264NALParser* CreateBMDStreamingH264NALParser() |
| { |
| pthread_once(&gBMDStreamingOnceControl, InitBMDStreamingAPI); |
| |
| if (gCreateNALParserFunc == NULL) |
| return NULL; |
| |
| return gCreateNALParserFunc(); |
| } |