mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2025-03-01 10:33:28 +00:00
98654e48f6
* Flatbuffer/Protobuf now able to receive rgba data * Proto/Flat schema comment added * Prevent diveded by zero * Address LGTM findings * Fix EncoderThread & cleanup Co-authored-by: LordGrey <lordgrey.emmel@gmail.com>
402 lines
12 KiB
C++
402 lines
12 KiB
C++
#pragma once
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#include <mfapi.h>
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#include <mftransform.h>
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#include <dmo.h>
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#include <wmcodecdsp.h>
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#include <mfidl.h>
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#include <mfreadwrite.h>
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#include <shlwapi.h>
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#include <mferror.h>
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#include <strmif.h>
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#include <comdef.h>
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#pragma comment (lib, "ole32.lib")
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#pragma comment (lib, "mf.lib")
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#pragma comment (lib, "mfplat.lib")
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#pragma comment (lib, "mfuuid.lib")
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#pragma comment (lib, "mfreadwrite.lib")
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#pragma comment (lib, "strmiids.lib")
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#pragma comment (lib, "wmcodecdspuuid.lib")
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#include <grabber/MFGrabber.h>
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#define SAFE_RELEASE(x) if(x) { x->Release(); x = nullptr; }
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// Need more supported formats? Visit https://docs.microsoft.com/en-us/windows/win32/medfound/colorconverter
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static PixelFormat GetPixelFormatForGuid(const GUID guid)
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{
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if (IsEqualGUID(guid, MFVideoFormat_RGB32)) return PixelFormat::RGB32;
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if (IsEqualGUID(guid, MFVideoFormat_RGB24)) return PixelFormat::BGR24;
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if (IsEqualGUID(guid, MFVideoFormat_YUY2)) return PixelFormat::YUYV;
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if (IsEqualGUID(guid, MFVideoFormat_UYVY)) return PixelFormat::UYVY;
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#ifdef HAVE_TURBO_JPEG
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if (IsEqualGUID(guid, MFVideoFormat_MJPG)) return PixelFormat::MJPEG;
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#endif
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if (IsEqualGUID(guid, MFVideoFormat_NV12)) return PixelFormat::NV12;
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if (IsEqualGUID(guid, MFVideoFormat_I420)) return PixelFormat::I420;
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return PixelFormat::NO_CHANGE;
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};
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class SourceReaderCB : public IMFSourceReaderCallback
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{
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public:
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SourceReaderCB(MFGrabber* grabber)
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: _nRefCount(1)
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, _grabber(grabber)
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, _bEOS(FALSE)
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, _hrStatus(S_OK)
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, _isBusy(false)
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, _transform(nullptr)
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, _pixelformat(PixelFormat::NO_CHANGE)
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{
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// Initialize critical section.
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InitializeCriticalSection(&_critsec);
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}
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// IUnknown methods
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STDMETHODIMP QueryInterface(REFIID iid, void** ppv)
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{
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static const QITAB qit[] =
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{
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QITABENT(SourceReaderCB, IMFSourceReaderCallback),
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{ 0 },
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};
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return QISearch(this, qit, iid, ppv);
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}
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STDMETHODIMP_(ULONG) AddRef()
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{
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return InterlockedIncrement(&_nRefCount);
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}
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STDMETHODIMP_(ULONG) Release()
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{
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ULONG uCount = InterlockedDecrement(&_nRefCount);
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if (uCount == 0)
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{
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delete this;
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}
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return uCount;
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}
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// IMFSourceReaderCallback methods
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STDMETHODIMP OnReadSample(HRESULT hrStatus, DWORD /*dwStreamIndex*/,
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DWORD dwStreamFlags, LONGLONG llTimestamp, IMFSample* pSample)
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{
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EnterCriticalSection(&_critsec);
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_isBusy = true;
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if (_grabber->_sourceReader == nullptr)
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{
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_isBusy = false;
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LeaveCriticalSection(&_critsec);
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return S_OK;
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}
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if (dwStreamFlags & MF_SOURCE_READERF_STREAMTICK)
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{
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Debug(_grabber->_log, "Skipping stream gap");
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LeaveCriticalSection(&_critsec);
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_grabber->_sourceReader->ReadSample(MF_SOURCE_READER_FIRST_VIDEO_STREAM, 0, nullptr, nullptr, nullptr, nullptr);
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return S_OK;
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}
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if (dwStreamFlags & MF_SOURCE_READERF_NATIVEMEDIATYPECHANGED)
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{
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IMFMediaType* type = nullptr;
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GUID format;
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_grabber->_sourceReader->GetNativeMediaType(MF_SOURCE_READER_FIRST_VIDEO_STREAM, MF_SOURCE_READER_CURRENT_TYPE_INDEX, &type);
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type->GetGUID(MF_MT_SUBTYPE, &format);
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Debug(_grabber->_log, "Native media type changed");
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InitializeVideoEncoder(type, GetPixelFormatForGuid(format));
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SAFE_RELEASE(type);
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}
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if (dwStreamFlags & MF_SOURCE_READERF_CURRENTMEDIATYPECHANGED)
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{
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IMFMediaType* type = nullptr;
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GUID format;
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_grabber->_sourceReader->GetCurrentMediaType(MF_SOURCE_READER_FIRST_VIDEO_STREAM, &type);
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type->GetGUID(MF_MT_SUBTYPE, &format);
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Debug(_grabber->_log, "Current media type changed");
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InitializeVideoEncoder(type, GetPixelFormatForGuid(format));
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SAFE_RELEASE(type);
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}
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// Variables declaration
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IMFMediaBuffer* buffer = nullptr;
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BYTE* data = nullptr;
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DWORD maxLength = 0, currentLength = 0;
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if (FAILED(hrStatus))
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{
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_hrStatus = hrStatus;
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Error(_grabber->_log, "0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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if (!pSample)
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{
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Error(_grabber->_log, "Media sample is empty");
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goto done;
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}
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#ifdef HAVE_TURBO_JPEG
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if (_pixelformat != PixelFormat::MJPEG && _pixelformat != PixelFormat::BGR24 && _pixelformat != PixelFormat::NO_CHANGE)
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#else
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if (_pixelformat != PixelFormat::BGR24 && _pixelformat != PixelFormat::NO_CHANGE)
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#endif
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pSample = TransformSample(_transform, pSample);
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_hrStatus = pSample->ConvertToContiguousBuffer(&buffer);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Buffer conversion failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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_hrStatus = buffer->Lock(&data, &maxLength, ¤tLength);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Access to the buffer memory failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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_grabber->receive_image(data, currentLength);
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_hrStatus = buffer->Unlock();
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Unlocking the buffer memory failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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}
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done:
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SAFE_RELEASE(buffer);
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if (MF_SOURCE_READERF_ENDOFSTREAM & dwStreamFlags)
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_bEOS = TRUE; // Reached the end of the stream.
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#ifdef HAVE_TURBO_JPEG
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if (_pixelformat != PixelFormat::MJPEG && _pixelformat != PixelFormat::BGR24 && _pixelformat != PixelFormat::NO_CHANGE)
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#else
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if (_pixelformat != PixelFormat::BGR24 && _pixelformat != PixelFormat::NO_CHANGE)
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#endif
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SAFE_RELEASE(pSample);
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_isBusy = false;
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LeaveCriticalSection(&_critsec);
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return _hrStatus;
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}
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HRESULT InitializeVideoEncoder(IMFMediaType* type, PixelFormat format)
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{
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_pixelformat = format;
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#ifdef HAVE_TURBO_JPEG
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if (format == PixelFormat::MJPEG || format == PixelFormat::BGR24 || format == PixelFormat::NO_CHANGE)
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#else
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if (format == PixelFormat::BGR24 || format == PixelFormat::NO_CHANGE)
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#endif
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return S_OK;
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// Variable declaration
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IMFMediaType* output = nullptr;
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DWORD mftStatus = 0;
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QString error = "";
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// Create instance of IMFTransform interface pointer as CColorConvertDMO
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_hrStatus = CoCreateInstance(CLSID_CColorConvertDMO, nullptr, CLSCTX_INPROC_SERVER, IID_IMFTransform, (void**)&_transform);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Creation of the Color Converter failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Set input type as media type of our input stream
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_hrStatus = _transform->SetInputType(0, type, 0);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Setting the input media type failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Create new media type
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_hrStatus = MFCreateMediaType(&output);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Creating a new media type failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Copy all attributes from input type to output media type
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_hrStatus = type->CopyAllItems(output);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Copying of all attributes from input to output media type failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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UINT32 width, height;
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UINT32 numerator, denominator;
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// Fill the missing attributes
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if (FAILED(output->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video)) ||
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FAILED(output->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_RGB24)) ||
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FAILED(output->SetUINT32(MF_MT_FIXED_SIZE_SAMPLES, TRUE)) ||
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FAILED(output->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE)) ||
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FAILED(output->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive)) ||
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FAILED(MFGetAttributeSize(type, MF_MT_FRAME_SIZE, &width, &height)) ||
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FAILED(MFSetAttributeSize(output, MF_MT_FRAME_SIZE, width, height)) ||
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FAILED(MFGetAttributeRatio(type, MF_MT_FRAME_RATE, &numerator, &denominator)) ||
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FAILED(MFSetAttributeRatio(output, MF_MT_PIXEL_ASPECT_RATIO, 1, 1)))
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{
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Error(_grabber->_log, "Setting output media type attributes failed");
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goto done;
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}
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// Set transform output type
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_hrStatus = _transform->SetOutputType(0, output, 0);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Setting the output media type failed => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Check if encoder parameters set properly
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_hrStatus = _transform->GetInputStatus(0, &mftStatus);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to query the input stream for more data => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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if (MFT_INPUT_STATUS_ACCEPT_DATA == mftStatus)
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{
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// Notify the transform we are about to begin streaming data
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if (FAILED(_transform->ProcessMessage(MFT_MESSAGE_COMMAND_FLUSH, 0)) ||
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FAILED(_transform->ProcessMessage(MFT_MESSAGE_NOTIFY_BEGIN_STREAMING, 0)) ||
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FAILED(_transform->ProcessMessage(MFT_MESSAGE_NOTIFY_START_OF_STREAM, 0)))
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{
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Error(_grabber->_log, "Failed to begin streaming data");
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}
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}
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done:
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SAFE_RELEASE(output);
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return _hrStatus;
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}
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BOOL isBusy()
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{
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EnterCriticalSection(&_critsec);
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BOOL result = _isBusy;
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LeaveCriticalSection(&_critsec);
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return result;
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}
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STDMETHODIMP OnEvent(DWORD, IMFMediaEvent*) { return S_OK; }
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STDMETHODIMP OnFlush(DWORD) { return S_OK; }
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private:
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virtual ~SourceReaderCB()
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{
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if (_transform)
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{
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_transform->ProcessMessage(MFT_MESSAGE_NOTIFY_END_OF_STREAM, 0);
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_transform->ProcessMessage(MFT_MESSAGE_NOTIFY_END_STREAMING, 0);
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}
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SAFE_RELEASE(_transform);
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// Delete critical section.
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DeleteCriticalSection(&_critsec);
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}
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IMFSample* TransformSample(IMFTransform* transform, IMFSample* in_sample)
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{
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IMFSample* result = nullptr;
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IMFMediaBuffer* out_buffer = nullptr;
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MFT_OUTPUT_DATA_BUFFER outputDataBuffer = { 0 };
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DWORD status = 0;
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// Process the input sample
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_hrStatus = transform->ProcessInput(0, in_sample, 0);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to process the input sample => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Gets the buffer demand for the output stream
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MFT_OUTPUT_STREAM_INFO streamInfo;
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_hrStatus = transform->GetOutputStreamInfo(0, &streamInfo);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to retrieve buffer requirement for output current => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Create an output media buffer
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_hrStatus = MFCreateMemoryBuffer(streamInfo.cbSize, &out_buffer);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to create an output media buffer => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Create an empty media sample
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_hrStatus = MFCreateSample(&result);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to create an empty media sampl => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Add the output media buffer to the media sample
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_hrStatus = result->AddBuffer(out_buffer);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to add the output media buffer to the media sample => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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goto done;
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}
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// Create the output buffer structure
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memset(&outputDataBuffer, 0, sizeof outputDataBuffer);
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outputDataBuffer.dwStreamID = 0;
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outputDataBuffer.dwStatus = 0;
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outputDataBuffer.pEvents = nullptr;
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outputDataBuffer.pSample = result;
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// Generate the output sample
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_hrStatus = transform->ProcessOutput(0, 1, &outputDataBuffer, &status);
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if (FAILED(_hrStatus))
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{
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Error(_grabber->_log, "Failed to generate the output sample => 0x%08x: %s", _hrStatus, std::system_category().message(_hrStatus).c_str());
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}
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else
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{
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SAFE_RELEASE(out_buffer);
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return result;
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}
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done:
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SAFE_RELEASE(out_buffer);
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return nullptr;
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}
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private:
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long _nRefCount;
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CRITICAL_SECTION _critsec;
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MFGrabber* _grabber;
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BOOL _bEOS;
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HRESULT _hrStatus;
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IMFTransform* _transform;
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PixelFormat _pixelformat;
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std::atomic<bool> _isBusy;
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};
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