From c50fb7493753606cd436b08d33022f9b789dd2ea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20Str=C3=B8mme?= Date: Thu, 17 Nov 2016 17:51:48 +0100 Subject: DirectShow: Merge the helpers and common folder Change-Id: Ie1c39c26ae6dec288daafb24b5aa0b6cc2bdd218 Reviewed-by: Yoann Lopes --- .../directshow/helpers/directshowmediatype.cpp | 350 --------------------- 1 file changed, 350 deletions(-) delete mode 100644 src/plugins/directshow/helpers/directshowmediatype.cpp (limited to 'src/plugins/directshow/helpers/directshowmediatype.cpp') 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(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(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(*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(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(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; - } -} -- cgit v1.2.3