193 lines
7.1 KiB
C++
193 lines
7.1 KiB
C++
/* -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;
|
|
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
bool IsDeckLinkAPIPresent (void)
|
|
{
|
|
// If the DeckLink API bundle was successfully loaded, return this knowledge to the caller
|
|
if (gDeckLinkAPIBundleRef != NULL)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
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();
|
|
}
|