Files
obs-studio/plugins/decklink/OBSVideoFrame.h
2024-10-04 18:19:27 -04:00

115 lines
4.0 KiB
C++

#pragma once
#include "platform.hpp"
#include "obs.hpp"
#include <atomic>
class OBSVideoFrame : public IDeckLinkMutableVideoFrame {
private:
BMDFrameFlags flags = bmdFrameFlagDefault;
BMDPixelFormat pixelFormat = bmdFormat8BitYUV;
long width;
long height;
long rowBytes;
unsigned char *data;
public:
OBSVideoFrame(long width, long height, BMDPixelFormat pixelFormat);
~OBSVideoFrame();
HRESULT STDMETHODCALLTYPE SetFlags(BMDFrameFlags newFlags) override;
HRESULT STDMETHODCALLTYPE SetTimecode(BMDTimecodeFormat format, IDeckLinkTimecode *timecode) override;
HRESULT STDMETHODCALLTYPE SetTimecodeFromComponents(BMDTimecodeFormat format, uint8_t hours, uint8_t minutes,
uint8_t seconds, uint8_t frames,
BMDTimecodeFlags flags) override;
HRESULT
STDMETHODCALLTYPE
SetAncillaryData(IDeckLinkVideoFrameAncillary *ancillary) override;
HRESULT STDMETHODCALLTYPE SetTimecodeUserBits(BMDTimecodeFormat format, BMDTimecodeUserBits userBits) override;
long STDMETHODCALLTYPE GetWidth() override;
long STDMETHODCALLTYPE GetHeight() override;
long STDMETHODCALLTYPE GetRowBytes() override;
BMDPixelFormat STDMETHODCALLTYPE GetPixelFormat() override;
BMDFrameFlags STDMETHODCALLTYPE GetFlags() override;
HRESULT STDMETHODCALLTYPE GetBytes(void **buffer) override;
//Dummy implementations of remaining virtual methods
virtual HRESULT STDMETHODCALLTYPE GetTimecode(/* in */ BMDTimecodeFormat format,
/* out */ IDeckLinkTimecode **timecode) override
{
UNUSED_PARAMETER(format);
UNUSED_PARAMETER(timecode);
return E_NOINTERFACE;
};
virtual HRESULT STDMETHODCALLTYPE GetAncillaryData(
/* out */ IDeckLinkVideoFrameAncillary **ancillary) override
{
UNUSED_PARAMETER(ancillary);
return E_NOINTERFACE;
};
// IUnknown interface (dummy implementation)
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) override
{
UNUSED_PARAMETER(iid);
UNUSED_PARAMETER(ppv);
return E_NOINTERFACE;
}
virtual ULONG STDMETHODCALLTYPE AddRef() override { return 1; }
virtual ULONG STDMETHODCALLTYPE Release() override { return 1; }
};
class HDRVideoFrame : public IDeckLinkVideoFrame, public IDeckLinkVideoFrameMetadataExtensions {
public:
HDRVideoFrame(IDeckLinkMutableVideoFrame *frame);
virtual ~HDRVideoFrame() {}
// IUnknown interface
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv);
virtual ULONG STDMETHODCALLTYPE AddRef(void);
virtual ULONG STDMETHODCALLTYPE Release(void);
// IDeckLinkVideoFrame interface
virtual long STDMETHODCALLTYPE GetWidth(void) { return m_videoFrame->GetWidth(); }
virtual long STDMETHODCALLTYPE GetHeight(void) { return m_videoFrame->GetHeight(); }
virtual long STDMETHODCALLTYPE GetRowBytes(void) { return m_videoFrame->GetRowBytes(); }
virtual BMDPixelFormat STDMETHODCALLTYPE GetPixelFormat(void) { return m_videoFrame->GetPixelFormat(); }
virtual BMDFrameFlags STDMETHODCALLTYPE GetFlags(void)
{
return m_videoFrame->GetFlags() | bmdFrameContainsHDRMetadata;
}
virtual HRESULT STDMETHODCALLTYPE GetBytes(void **buffer) { return m_videoFrame->GetBytes(buffer); }
virtual HRESULT STDMETHODCALLTYPE GetTimecode(BMDTimecodeFormat format, IDeckLinkTimecode **timecode)
{
return m_videoFrame->GetTimecode(format, timecode);
}
virtual HRESULT STDMETHODCALLTYPE GetAncillaryData(IDeckLinkVideoFrameAncillary **ancillary)
{
return m_videoFrame->GetAncillaryData(ancillary);
}
// IDeckLinkVideoFrameMetadataExtensions interface
virtual HRESULT STDMETHODCALLTYPE GetInt(BMDDeckLinkFrameMetadataID metadataID, int64_t *value);
virtual HRESULT STDMETHODCALLTYPE GetFloat(BMDDeckLinkFrameMetadataID metadataID, double *value);
virtual HRESULT STDMETHODCALLTYPE GetFlag(BMDDeckLinkFrameMetadataID metadataID, decklink_bool_t *value);
virtual HRESULT STDMETHODCALLTYPE GetString(BMDDeckLinkFrameMetadataID metadataID, decklink_string_t *value);
virtual HRESULT STDMETHODCALLTYPE GetBytes(BMDDeckLinkFrameMetadataID metadataID, void *buffer,
uint32_t *bufferSize);
private:
ComPtr<IDeckLinkMutableVideoFrame> m_videoFrame;
std::atomic<ULONG> m_refCount;
};