diff options
Diffstat (limited to 'src/plugins/common/evr/evrhelpers.cpp')
-rw-r--r-- | src/plugins/common/evr/evrhelpers.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/plugins/common/evr/evrhelpers.cpp b/src/plugins/common/evr/evrhelpers.cpp new file mode 100644 index 000000000..2338d40fc --- /dev/null +++ b/src/plugins/common/evr/evrhelpers.cpp @@ -0,0 +1,176 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "evrhelpers.h" + +#ifndef D3DFMT_YV12 +#define D3DFMT_YV12 (D3DFORMAT)MAKEFOURCC ('Y', 'V', '1', '2') +#endif +#ifndef D3DFMT_NV12 +#define D3DFMT_NV12 (D3DFORMAT)MAKEFOURCC ('N', 'V', '1', '2') +#endif + +HRESULT qt_evr_getFourCC(IMFMediaType *type, DWORD *fourCC) +{ + if (!fourCC) + return E_POINTER; + + HRESULT hr = S_OK; + GUID guidSubType = GUID_NULL; + + if (SUCCEEDED(hr)) + hr = type->GetGUID(MF_MT_SUBTYPE, &guidSubType); + + if (SUCCEEDED(hr)) + *fourCC = guidSubType.Data1; + + return hr; +} + +bool qt_evr_areMediaTypesEqual(IMFMediaType *type1, IMFMediaType *type2) +{ + if (!type1 && !type2) + return true; + else if (!type1 || !type2) + return false; + + DWORD dwFlags = 0; + HRESULT hr = type1->IsEqual(type2, &dwFlags); + + return (hr == S_OK); +} + +HRESULT qt_evr_validateVideoArea(const MFVideoArea& area, UINT32 width, UINT32 height) +{ + float fOffsetX = qt_evr_MFOffsetToFloat(area.OffsetX); + float fOffsetY = qt_evr_MFOffsetToFloat(area.OffsetY); + + if ( ((LONG)fOffsetX + area.Area.cx > (LONG)width) || + ((LONG)fOffsetY + area.Area.cy > (LONG)height) ) + return MF_E_INVALIDMEDIATYPE; + else + return S_OK; +} + +bool qt_evr_isSampleTimePassed(IMFClock *clock, IMFSample *sample) +{ + if (!sample || !clock) + return false; + + HRESULT hr = S_OK; + MFTIME hnsTimeNow = 0; + MFTIME hnsSystemTime = 0; + MFTIME hnsSampleStart = 0; + MFTIME hnsSampleDuration = 0; + + hr = clock->GetCorrelatedTime(0, &hnsTimeNow, &hnsSystemTime); + + if (SUCCEEDED(hr)) + hr = sample->GetSampleTime(&hnsSampleStart); + + if (SUCCEEDED(hr)) + hr = sample->GetSampleDuration(&hnsSampleDuration); + + if (SUCCEEDED(hr)) { + if (hnsSampleStart + hnsSampleDuration < hnsTimeNow) + return true; + } + + return false; +} + +QVideoFrame::PixelFormat qt_evr_pixelFormatFromD3DFormat(D3DFORMAT format) +{ + switch (format) { + case D3DFMT_R8G8B8: + return QVideoFrame::Format_RGB24; + case D3DFMT_A8R8G8B8: + return QVideoFrame::Format_ARGB32; + case D3DFMT_X8R8G8B8: + return QVideoFrame::Format_RGB32; + case D3DFMT_R5G6B5: + return QVideoFrame::Format_RGB565; + case D3DFMT_X1R5G5B5: + return QVideoFrame::Format_RGB555; + case D3DFMT_A8: + return QVideoFrame::Format_Y8; + case D3DFMT_A8B8G8R8: + return QVideoFrame::Format_BGRA32; + case D3DFMT_X8B8G8R8: + return QVideoFrame::Format_BGR32; + case D3DFMT_UYVY: + return QVideoFrame::Format_UYVY; + case D3DFMT_YUY2: + return QVideoFrame::Format_YUYV; + case D3DFMT_NV12: + return QVideoFrame::Format_NV12; + case D3DFMT_YV12: + return QVideoFrame::Format_YV12; + case D3DFMT_UNKNOWN: + default: + return QVideoFrame::Format_Invalid; + } +} + +D3DFORMAT qt_evr_D3DFormatFromPixelFormat(QVideoFrame::PixelFormat format) +{ + switch (format) { + case QVideoFrame::Format_RGB24: + return D3DFMT_R8G8B8; + case QVideoFrame::Format_ARGB32: + return D3DFMT_A8R8G8B8; + case QVideoFrame::Format_RGB32: + return D3DFMT_X8R8G8B8; + case QVideoFrame::Format_RGB565: + return D3DFMT_R5G6B5; + case QVideoFrame::Format_RGB555: + return D3DFMT_X1R5G5B5; + case QVideoFrame::Format_Y8: + return D3DFMT_A8; + case QVideoFrame::Format_BGRA32: + return D3DFMT_A8B8G8R8; + case QVideoFrame::Format_BGR32: + return D3DFMT_X8B8G8R8; + case QVideoFrame::Format_UYVY: + return D3DFMT_UYVY; + case QVideoFrame::Format_YUYV: + return D3DFMT_YUY2; + case QVideoFrame::Format_NV12: + return D3DFMT_NV12; + case QVideoFrame::Format_YV12: + return D3DFMT_YV12; + case QVideoFrame::Format_Invalid: + default: + return D3DFMT_UNKNOWN; + } +} |