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authorChristian Strømme <christian.stromme@qt.io>2016-11-17 17:51:48 +0100
committerChristian Stromme <christian.stromme@qt.io>2017-05-03 13:29:30 +0000
commitc50fb7493753606cd436b08d33022f9b789dd2ea (patch)
tree21ec6994932fd37abc079fa10f5cd2af4083c762 /src/plugins/directshow/helpers/directshowmediatype.cpp
parent8e4d966f4e5546787257de046d2c3af8a19214b4 (diff)
DirectShow: Merge the helpers and common folder
Change-Id: Ie1c39c26ae6dec288daafb24b5aa0b6cc2bdd218 Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>
Diffstat (limited to 'src/plugins/directshow/helpers/directshowmediatype.cpp')
-rw-r--r--src/plugins/directshow/helpers/directshowmediatype.cpp350
1 files changed, 0 insertions, 350 deletions
diff --git a/src/plugins/directshow/helpers/directshowmediatype.cpp b/src/plugins/directshow/helpers/directshowmediatype.cpp
deleted file mode 100644
index 65882806c..000000000
--- a/src/plugins/directshow/helpers/directshowmediatype.cpp
+++ /dev/null
@@ -1,350 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://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 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "directshowmediatype.h"
-#include "directshowglobal.h"
-
-namespace
-{
- struct TypeLookup
- {
- QVideoFrame::PixelFormat pixelFormat;
- GUID mediaType;
- };
-
- static const TypeLookup qt_typeLookup[] =
- {
- { QVideoFrame::Format_ARGB32, MEDIASUBTYPE_ARGB32 },
- { QVideoFrame::Format_RGB32, MEDIASUBTYPE_RGB32 },
- { QVideoFrame::Format_RGB24, MEDIASUBTYPE_RGB24 },
- { QVideoFrame::Format_RGB565, MEDIASUBTYPE_RGB565 },
- { QVideoFrame::Format_RGB555, MEDIASUBTYPE_RGB555 },
- { QVideoFrame::Format_AYUV444, MEDIASUBTYPE_AYUV },
- { QVideoFrame::Format_YUYV, MEDIASUBTYPE_YUY2 },
- { QVideoFrame::Format_UYVY, MEDIASUBTYPE_UYVY },
- { QVideoFrame::Format_IMC1, MEDIASUBTYPE_IMC1 },
- { QVideoFrame::Format_IMC2, MEDIASUBTYPE_IMC2 },
- { QVideoFrame::Format_IMC3, MEDIASUBTYPE_IMC3 },
- { QVideoFrame::Format_IMC4, MEDIASUBTYPE_IMC4 },
- { QVideoFrame::Format_YV12, MEDIASUBTYPE_YV12 },
- { QVideoFrame::Format_NV12, MEDIASUBTYPE_NV12 },
- { QVideoFrame::Format_YUV420P, MEDIASUBTYPE_IYUV },
- { QVideoFrame::Format_YUV420P, MEDIASUBTYPE_I420 },
- { QVideoFrame::Format_Jpeg, MEDIASUBTYPE_MJPG }
- };
-}
-
-bool DirectShowMediaType::isPartiallySpecified(const AM_MEDIA_TYPE *mediaType)
-{
- return mediaType->majortype == GUID_NULL || mediaType->formattype == GUID_NULL;
-}
-
-DirectShowMediaType::DirectShowMediaType()
- : mediaType({ GUID_NULL, GUID_NULL, TRUE, FALSE, 1, GUID_NULL, nullptr, 0, nullptr})
-{
-}
-
-DirectShowMediaType::DirectShowMediaType(const AM_MEDIA_TYPE &type)
- : DirectShowMediaType()
-{
- copy(&mediaType, &type);
-}
-
-DirectShowMediaType::DirectShowMediaType(AM_MEDIA_TYPE &&type)
- : DirectShowMediaType()
-{
- move(&mediaType, type);
-}
-
-DirectShowMediaType::DirectShowMediaType(const DirectShowMediaType &other)
- : DirectShowMediaType()
-{
- copy(&mediaType, &other.mediaType);
-}
-
-DirectShowMediaType::DirectShowMediaType(DirectShowMediaType &&other)
- : DirectShowMediaType()
-{
- move(&mediaType, other.mediaType);
-}
-
-DirectShowMediaType &DirectShowMediaType::operator=(const DirectShowMediaType &other)
-{
- copy(&mediaType, &other.mediaType);
- return *this;
-}
-
-DirectShowMediaType &DirectShowMediaType::operator=(DirectShowMediaType &&other)
-{
- move(&mediaType, other.mediaType);
- return *this;
-}
-
-void DirectShowMediaType::init(AM_MEDIA_TYPE *type)
-{
- Q_ASSERT(type);
- SecureZeroMemory(reinterpret_cast<void *>(type), sizeof(AM_MEDIA_TYPE));
- type->lSampleSize = 1;
- type->bFixedSizeSamples = TRUE;
-}
-
-void DirectShowMediaType::copy(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE *source)
-{
- if (!(target && source))
- return;
-
- if (target == source)
- return;
-
- clear(*target);
-
- copyToUninitialized(target, source);
-}
-
-void DirectShowMediaType::copyToUninitialized(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE *source)
-{
- *target = *source;
-
- if (source->cbFormat > 0) {
- target->pbFormat = reinterpret_cast<PBYTE>(CoTaskMemAlloc(source->cbFormat));
- memcpy(target->pbFormat, source->pbFormat, source->cbFormat);
- }
- if (target->pUnk)
- target->pUnk->AddRef();
-}
-
-void DirectShowMediaType::move(AM_MEDIA_TYPE *target, AM_MEDIA_TYPE **source)
-{
- if (!target || !source || !(*source))
- return;
-
- if (target == *source)
- return;
-
- clear(*target);
- *target = *(*source);
- SecureZeroMemory(reinterpret_cast<void *>(*source), sizeof(AM_MEDIA_TYPE));
- *source = nullptr;
-}
-
-void DirectShowMediaType::move(AM_MEDIA_TYPE *target, AM_MEDIA_TYPE &source)
-{
- AM_MEDIA_TYPE *srcPtr = &source;
- move(target, &srcPtr);
-}
-
-/**
- * @brief DirectShowMediaType::deleteType - Used for AM_MEDIA_TYPE structures that have
- * been allocated by CoTaskMemAlloc or CreateMediaType.
- * @param type
- */
-void DirectShowMediaType::deleteType(AM_MEDIA_TYPE *type)
-{
- if (!type)
- return;
-
- clear(*type);
- CoTaskMemFree(type);
-}
-
-bool DirectShowMediaType::isCompatible(const AM_MEDIA_TYPE *a, const AM_MEDIA_TYPE *b)
-{
- if (b->majortype != GUID_NULL && a->majortype != b->majortype)
- return false;
-
- if (b->subtype != GUID_NULL && a->subtype != b->subtype)
- return false;
-
- if (b->formattype != GUID_NULL) {
- if (a->formattype != b->formattype)
- return false;
- if (a->cbFormat != b->cbFormat)
- return false;
- if (a->cbFormat != 0 && memcmp(a->pbFormat, b->pbFormat, a->cbFormat) != 0)
- return false;
- }
-
- return true;
-}
-
-/**
- * @brief DirectShowMediaType::clear - Clears all member data, and releases allocated buffers.
- * Use this to release automatic AM_MEDIA_TYPE structures.
- * @param type
- */
-void DirectShowMediaType::clear(AM_MEDIA_TYPE &type)
-{
- if (type.cbFormat > 0)
- CoTaskMemFree(type.pbFormat);
-
- if (type.pUnk)
- type.pUnk->Release();
-
- SecureZeroMemory(&type, sizeof(type));
-}
-
-
-GUID DirectShowMediaType::convertPixelFormat(QVideoFrame::PixelFormat format)
-{
- const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup);
-
- for (int i = 0; i < count; ++i)
- if (qt_typeLookup[i].pixelFormat == format)
- return qt_typeLookup[i].mediaType;
-
- return MEDIASUBTYPE_None;
-}
-
-QVideoSurfaceFormat DirectShowMediaType::videoFormatFromType(const AM_MEDIA_TYPE *type)
-{
- if (!type)
- return QVideoSurfaceFormat();
-
- const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup);
-
- for (int i = 0; i < count; ++i) {
- if (IsEqualGUID(qt_typeLookup[i].mediaType, type->subtype) && type->cbFormat > 0) {
- if (IsEqualGUID(type->formattype, FORMAT_VideoInfo)) {
- VIDEOINFOHEADER *header = reinterpret_cast<VIDEOINFOHEADER *>(type->pbFormat);
-
- QVideoSurfaceFormat format(
- QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)),
- qt_typeLookup[i].pixelFormat);
-
- if (header->AvgTimePerFrame > 0)
- format.setFrameRate(10000 /header->AvgTimePerFrame);
-
- format.setScanLineDirection(scanLineDirection(format.pixelFormat(), header->bmiHeader));
-
- return format;
- } else if (IsEqualGUID(type->formattype, FORMAT_VideoInfo2)) {
- VIDEOINFOHEADER2 *header = reinterpret_cast<VIDEOINFOHEADER2 *>(type->pbFormat);
-
- QVideoSurfaceFormat format(
- QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)),
- qt_typeLookup[i].pixelFormat);
-
- if (header->AvgTimePerFrame > 0)
- format.setFrameRate(10000 / header->AvgTimePerFrame);
-
- format.setScanLineDirection(scanLineDirection(format.pixelFormat(), header->bmiHeader));
-
- return format;
- }
- }
- }
- return QVideoSurfaceFormat();
-}
-
-QVideoFrame::PixelFormat DirectShowMediaType::pixelFormatFromType(const AM_MEDIA_TYPE *type)
-{
- if (!type)
- return QVideoFrame::Format_Invalid;
-
- const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup);
-
- for (int i = 0; i < count; ++i) {
- if (IsEqualGUID(qt_typeLookup[i].mediaType, type->subtype)) {
- return qt_typeLookup[i].pixelFormat;
- }
- }
-
- return QVideoFrame::Format_Invalid;
-}
-
-#define PAD_TO_DWORD(x) (((x) + 3) & ~3)
-int DirectShowMediaType::bytesPerLine(const QVideoSurfaceFormat &format)
-{
- switch (format.pixelFormat()) {
- // 32 bpp packed formats.
- case QVideoFrame::Format_ARGB32:
- case QVideoFrame::Format_RGB32:
- case QVideoFrame::Format_AYUV444:
- return format.frameWidth() * 4;
- // 24 bpp packed formats.
- case QVideoFrame::Format_RGB24:
- return PAD_TO_DWORD(format.frameWidth() * 3);
- // 16 bpp packed formats.
- case QVideoFrame::Format_RGB565:
- case QVideoFrame::Format_RGB555:
- case QVideoFrame::Format_YUYV:
- case QVideoFrame::Format_UYVY:
- return PAD_TO_DWORD(format.frameWidth() * 2);
- // Planar formats.
- case QVideoFrame::Format_YV12:
- case QVideoFrame::Format_YUV420P:
- case QVideoFrame::Format_IMC1:
- case QVideoFrame::Format_IMC2:
- case QVideoFrame::Format_IMC3:
- case QVideoFrame::Format_IMC4:
- case QVideoFrame::Format_NV12:
- return format.frameWidth();
- default:
- return 0;
- }
-}
-
-QVideoSurfaceFormat::Direction DirectShowMediaType::scanLineDirection(QVideoFrame::PixelFormat pixelFormat, const BITMAPINFOHEADER &bmiHeader)
-{
- /* MSDN http://msdn.microsoft.com/en-us/library/windows/desktop/dd318229(v=vs.85).aspx */
- /* For uncompressed RGB bitmaps:
- * if biHeight is positive, the bitmap is a bottom-up DIB with the origin at the lower left corner.
- * If biHeight is negative, the bitmap is a top-down DIB with the origin at the upper left corner.
- *
- * For YUV bitmaps:
- * the bitmap is always top-down, regardless of the sign of biHeight.
- * Decoders should offer YUV formats with postive biHeight, but for backward compatibility they should accept YUV formats with either positive or negative biHeight.
- *
- * For compressed formats:
- * biHeight must be positive, regardless of image orientation.
- */
- switch (pixelFormat)
- {
- case QVideoFrame::Format_ARGB32:
- case QVideoFrame::Format_RGB32:
- case QVideoFrame::Format_RGB24:
- case QVideoFrame::Format_RGB565:
- case QVideoFrame::Format_RGB555:
- return bmiHeader.biHeight < 0
- ? QVideoSurfaceFormat::TopToBottom
- : QVideoSurfaceFormat::BottomToTop;
- default:
- return QVideoSurfaceFormat::TopToBottom;
- }
-}