ProfileCallback Class Reference

Inheritance diagram for ProfileCallback:

Collaboration diagram for ProfileCallback:

Public Member Functions
	ProfileCallback (IDeckLinkProfile *requestedProfile)
virtual	~ProfileCallback ()
ULONG STDMETHODCALLTYPE	AddRef () override
HRESULT	ProfileActivated (IDeckLinkProfile *activatedProfile) override
HRESULT	ProfileChanging (IDeckLinkProfile *profileToBeActivated, BMD_BOOL streamsWillBeForcedToStop) override
HRESULT STDMETHODCALLTYPE	QueryInterface (REFIID iid, LPVOID *ppv) override
ULONG STDMETHODCALLTYPE	Release () override
bool	WaitForProfileActivation (void)

Private Attributes
std::condition_variable	m_profileActivatedCondition
std::mutex	m_profileActivatedMutex
int	m_refCount = 1
IDeckLinkProfile *	m_requestedProfile
bool	m_requestedProfileActivated = false

Detailed Description

Definition at line 335 of file blackmagic_common.cpp.

Constructor & Destructor Documentation

ProfileCallback()

ProfileCallback::ProfileCallback ( IDeckLinkProfile * requestedProfile )

inline

Definition at line 338 of file blackmagic_common.cpp.

                                                                    : m_requestedProfile(requestedProfile) {
                        m_requestedProfile->AddRef();
                }

References m_requestedProfile.

~ProfileCallback()

virtual ProfileCallback::~ProfileCallback ( )

inlinevirtual

Definition at line 384 of file blackmagic_common.cpp.

                                           {
                        m_requestedProfile->Release();
                }

References m_requestedProfile.

Member Function Documentation

AddRef()

ULONG STDMETHODCALLTYPE ProfileCallback::AddRef ( )

inlineoverride

Definition at line 356 of file blackmagic_common.cpp.

{ return ++m_refCount; }

References m_refCount.

ProfileActivated()

HRESULT ProfileCallback::ProfileActivated ( IDeckLinkProfile * activatedProfile )

inlineoverride

Definition at line 343 of file blackmagic_common.cpp.

                                                                                                          {
                        {
                                std::lock_guard<std::mutex> lock(m_profileActivatedMutex);
                                m_requestedProfileActivated = true;
                        }
                        m_profileActivatedCondition.notify_one();
                        return S_OK;
                }

References m_profileActivatedCondition, m_profileActivatedMutex, and m_requestedProfileActivated.

ProfileChanging()

HRESULT ProfileCallback::ProfileChanging ( IDeckLinkProfile * profileToBeActivated, BMD_BOOL streamsWillBeForcedToStop )

inlineoverride

Definition at line 342 of file blackmagic_common.cpp.

{ return S_OK; }

QueryInterface()

HRESULT STDMETHODCALLTYPE ProfileCallback::QueryInterface ( REFIID iid, LPVOID * ppv )

inlineoverride

Definition at line 351 of file blackmagic_common.cpp.

                {
                        *ppv = nullptr;
                        return E_NOINTERFACE;
                }

Release()

ULONG STDMETHODCALLTYPE ProfileCallback::Release ( )

inlineoverride

Definition at line 357 of file blackmagic_common.cpp.

                                                                   {
                        ULONG refCount = --m_refCount;
                        if (refCount == 0)
                                delete this;
 
                        return refCount;
                }

References m_refCount.

WaitForProfileActivation()

bool ProfileCallback::WaitForProfileActivation ( void )

inline

Definition at line 365 of file blackmagic_common.cpp.

                                                    {
                        BMD_BOOL isActiveProfile = BMD_FALSE;
                        const char *profileName = kDeviceProfiles.find(GetDeckLinkProfileID(m_requestedProfile)) != kDeviceProfiles.end() ?
                                kDeviceProfiles.at(GetDeckLinkProfileID(m_requestedProfile)).first : "(unknown)";
                        if ((m_requestedProfile->IsActive(&isActiveProfile) == S_OK) && isActiveProfile) {
                                LOG(LOG_LEVEL_INFO) << "[DeckLink] Profile " << profileName << " already active.\n";
                                return true;
                        }
 
                        LOG(LOG_LEVEL_INFO) << "[DeckLink] Waiting for profile activation... (this may take few seconds)\n";
                        std::unique_lock<std::mutex> lock(m_profileActivatedMutex);
                        bool ret =  m_profileActivatedCondition.wait_for(lock, std::chrono::seconds{5}, [&]{ return m_requestedProfileActivated; });
                        if (ret) {
                                LOG(LOG_LEVEL_NOTICE) << "[DeckLink] Profile " << profileName << " activated succesfully.\n";
                        } else {
                                LOG(LOG_LEVEL_ERROR) << "[DeckLink] Profile " << profileName << " activation timeouted!\n";
                        }
                        return ret;
                }

References BMD_BOOL, BMD_FALSE, GetDeckLinkProfileID(), kDeviceProfiles, LOG, LOG_LEVEL_ERROR, LOG_LEVEL_INFO, LOG_LEVEL_NOTICE, m_profileActivatedCondition, m_profileActivatedMutex, m_requestedProfile, and m_requestedProfileActivated.

Referenced by decklink_set_profile().

Here is the call graph for this function:

Member Data Documentation

m_profileActivatedCondition

std::condition_variable ProfileCallback::m_profileActivatedCondition

private

Definition at line 391 of file blackmagic_common.cpp.

Referenced by ProfileActivated(), and WaitForProfileActivation().

m_profileActivatedMutex

std::mutex ProfileCallback::m_profileActivatedMutex

private

Definition at line 392 of file blackmagic_common.cpp.

Referenced by ProfileActivated(), and WaitForProfileActivation().

m_refCount

int ProfileCallback::m_refCount = 1

private

Definition at line 390 of file blackmagic_common.cpp.

Referenced by AddRef(), and Release().

m_requestedProfile

IDeckLinkProfile* ProfileCallback::m_requestedProfile

private

Definition at line 389 of file blackmagic_common.cpp.

Referenced by ProfileCallback(), ~ProfileCallback(), and WaitForProfileActivation().

m_requestedProfileActivated

bool ProfileCallback::m_requestedProfileActivated = false

private

Definition at line 393 of file blackmagic_common.cpp.

Referenced by ProfileActivated(), and WaitForProfileActivation().

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The documentation for this class was generated from the following file:

• src/blackmagic_common.cpp