105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
#include "DeckLinkFrameTransfer.h"
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#include "OpenGLComposite.h"
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////////////////////////////////////////////
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// DeckLink Capture Delegate Class
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////////////////////////////////////////////
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CaptureDelegate::CaptureDelegate(OpenGLComposite* pOwner) :
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m_pOwner(pOwner),
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mRefCount(1)
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{
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}
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HRESULT CaptureDelegate::QueryInterface(REFIID, LPVOID* ppv)
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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ULONG CaptureDelegate::AddRef()
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{
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return InterlockedIncrement(&mRefCount);
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}
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ULONG CaptureDelegate::Release()
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{
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int newCount = InterlockedDecrement(&mRefCount);
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if (newCount == 0)
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delete this;
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return newCount;
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}
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HRESULT CaptureDelegate::VideoInputFrameArrived(IDeckLinkVideoInputFrame* inputFrame, IDeckLinkAudioInputPacket*)
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{
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if (!inputFrame)
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{
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// It's possible to receive a NULL inputFrame, but a valid audioPacket. Ignore audio-only frame.
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return S_OK;
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}
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bool hasNoInputSource = (inputFrame->GetFlags() & bmdFrameHasNoInputSource) == bmdFrameHasNoInputSource;
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m_pOwner->VideoFrameArrived(inputFrame, hasNoInputSource);
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return S_OK;
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}
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HRESULT CaptureDelegate::VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags)
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{
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return S_OK;
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}
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////////////////////////////////////////////
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// DeckLink Playout Delegate Class
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////////////////////////////////////////////
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PlayoutDelegate::PlayoutDelegate(OpenGLComposite* pOwner) :
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m_pOwner(pOwner),
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mRefCount(1)
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{
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}
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HRESULT PlayoutDelegate::QueryInterface(REFIID, LPVOID* ppv)
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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ULONG PlayoutDelegate::AddRef()
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{
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return InterlockedIncrement(&mRefCount);
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}
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ULONG PlayoutDelegate::Release()
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{
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int newCount = InterlockedDecrement(&mRefCount);
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if (newCount == 0)
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delete this;
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return newCount;
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}
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HRESULT PlayoutDelegate::ScheduledFrameCompleted(IDeckLinkVideoFrame* completedFrame, BMDOutputFrameCompletionResult result)
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{
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switch (result)
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{
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case bmdOutputFrameDisplayedLate:
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OutputDebugStringA("ScheduledFrameCompleted() frame did not complete: Frame Displayed Late\n");
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break;
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case bmdOutputFrameDropped:
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OutputDebugStringA("ScheduledFrameCompleted() frame did not complete: Frame Dropped\n");
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break;
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case bmdOutputFrameCompleted:
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case bmdOutputFrameFlushed:
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// Don't log bmdOutputFrameFlushed result since it is expected when Stop() is called
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break;
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default:
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OutputDebugStringA("ScheduledFrameCompleted() frame did not complete: Unknown error\n");
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}
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m_pOwner->PlayoutFrameCompleted(completedFrame, result);
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return S_OK;
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}
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HRESULT PlayoutDelegate::ScheduledPlaybackHasStopped()
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{
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return S_OK;
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}
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