diff options
Diffstat (limited to 'src/plugins/wmf/player/mfmetadatacontrol.cpp')
| -rw-r--r-- | src/plugins/wmf/player/mfmetadatacontrol.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/plugins/wmf/player/mfmetadatacontrol.cpp b/src/plugins/wmf/player/mfmetadatacontrol.cpp deleted file mode 100644 index 4e62706..0000000 --- a/src/plugins/wmf/player/mfmetadatacontrol.cpp +++ /dev/null @@ -1,246 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "mfmetadatacontrol.h" -#include "mfplayerservice.h" -#include "Propkey.h" - -//#define DEBUG_MEDIAFOUNDATION - -MFMetaDataControl::MFMetaDataControl(QObject *parent) - : QMetaDataReaderControl(parent) - , m_metaData(0) - , m_content(0) -{ -} - -MFMetaDataControl::~MFMetaDataControl() -{ - if (m_metaData) - m_metaData->Release(); - if (m_content) - m_content->Release(); -} - -bool MFMetaDataControl::isMetaDataAvailable() const -{ - return m_content || m_metaData; -} - -QVariant MFMetaDataControl::metaData(QtMultimedia::MetaData key) const -{ - QVariant value; - if (!isMetaDataAvailable()) - return value; - - int index = m_availableMetaDatas.indexOf(key); - if (index < 0) - return value; - - PROPVARIANT var; - PropVariantInit(&var); - HRESULT hr = S_FALSE; - if (m_content) - hr = m_content->GetValue(m_commonKeys[index], &var); - else if (m_metaData) - hr = m_metaData->GetProperty(m_commonNames[index].utf16(), &var); - - if (SUCCEEDED(hr)) - value = convertValue(var); - - PropVariantClear(&var); - return value; -} - -QVariant MFMetaDataControl::convertValue(const PROPVARIANT& var) const -{ - QVariant value; - //form MSDN: http://msdn.microsoft.com/en-us/library/ff384862%28v=VS.85%29.aspx - //it seems that those 4 types are enough for media foundation metadata - //add more later if necessary - switch (var.vt) { - case VT_LPWSTR: - value = QString::fromUtf16(var.pwszVal); - break; - case VT_UI4: - value = uint(var.ulVal); - break; - case VT_UI8: - value = qulonglong(var.uhVal.QuadPart); - break; - case VT_BOOL: - value = bool(var.boolVal); - break; - } - return value; -} - -QList<QtMultimedia::MetaData> MFMetaDataControl::availableMetaData() const -{ - return m_availableMetaDatas; -} - -QVariant MFMetaDataControl::extendedMetaData(const QString &key) const -{ - QVariant value; - HRESULT hr = S_FALSE; - PROPVARIANT var; - PropVariantInit(&var); - if (m_content) { - int index = m_extendedMetaDatas.indexOf(key); - if (index >= 0) { - hr = m_content->GetValue(m_extendedKeys[index], &var); - } - } else if (m_metaData) { - hr = m_metaData->GetProperty(key.utf16(), &var); - } - - if (SUCCEEDED(hr)) - value = convertValue(var); - - PropVariantClear(&var); - return value; -} - -QStringList MFMetaDataControl::availableExtendedMetaData() const -{ - return m_extendedMetaDatas; -} - -void MFMetaDataControl::updateSource(IMFPresentationDescriptor* sourcePD, IMFMediaSource* mediaSource) -{ - if (m_metaData) { - m_metaData->Release(); - m_metaData = 0; - } - - if (m_content) { - m_content->Release(); - m_content = 0; - } - - m_availableMetaDatas.clear(); - m_commonKeys.clear(); - m_commonNames.clear(); - m_extendedMetaDatas.clear(); - m_extendedKeys.clear(); - - if (SUCCEEDED(MFGetService(mediaSource, MF_PROPERTY_HANDLER_SERVICE, IID_PPV_ARGS(&m_content)))) { - DWORD cProps; - if (SUCCEEDED(m_content->GetCount(&cProps))) { - for (DWORD i = 0; i < cProps; i++) - { - PROPERTYKEY key; - if (FAILED(m_content->GetAt(i, &key))) - continue; - bool common = true; - if (key == PKEY_Author) { - m_availableMetaDatas.push_back(QtMultimedia::Author); - } else if (key == PKEY_Title) { - m_availableMetaDatas.push_back(QtMultimedia::Title); - } else if (key == PKEY_ParentalRating) { - m_availableMetaDatas.push_back(QtMultimedia::ParentalRating); - } else if (key == PKEY_Comment) { - m_availableMetaDatas.push_back(QtMultimedia::Description); - } else if (key == PKEY_Copyright) { - m_availableMetaDatas.push_back(QtMultimedia::Copyright); - //TODO: add more common keys - } else { - common = false; - //TODO: add more extended keys - } - if (common) - m_commonKeys.push_back(key); - } - } else { - m_content->Release(); - m_content = NULL; - } - } - - if (!m_content) { - //fallback to Vista approach - IMFMetadataProvider *provider = NULL; - if (SUCCEEDED(MFGetService(mediaSource, MF_METADATA_PROVIDER_SERVICE, IID_PPV_ARGS(&provider)))) { - if (SUCCEEDED(provider->GetMFMetadata(sourcePD, 0, 0, &m_metaData))) { - PROPVARIANT varNames; - PropVariantInit(&varNames); - if (SUCCEEDED(m_metaData->GetAllPropertyNames(&varNames)) && varNames.vt == (VT_VECTOR | VT_LPWSTR)) { - ULONG cElements = varNames.calpwstr.cElems; - for (ULONG i = 0; i < cElements; i++) - { - const WCHAR* sName = varNames.calpwstr.pElems[i]; -#ifdef DEBUG_MEDIAFOUNDATION - qDebug() << "metadata: " << QString::fromUtf16(sName); -#endif - bool common = true; - if (wcscmp(sName, L"Author") == 0) { - m_availableMetaDatas.push_back(QtMultimedia::Author); - } else if (wcscmp(sName, L"Title") == 0) { - m_availableMetaDatas.push_back(QtMultimedia::Title); - } else if (wcscmp(sName, L"Rating") == 0) { - m_availableMetaDatas.push_back(QtMultimedia::ParentalRating); - } else if (wcscmp(sName, L"Description") == 0) { - m_availableMetaDatas.push_back(QtMultimedia::Description); - } else if (wcscmp(sName, L"Copyright") == 0) { - m_availableMetaDatas.push_back(QtMultimedia::Copyright); - //TODO: add more common keys - } else { - common = false; - m_extendedMetaDatas.push_back(QString::fromUtf16(sName)); - } - if (common) - m_commonNames.push_back(QString::fromUtf16(sName)); - } - } - PropVariantClear(&varNames); - } else { - qWarning("Failed to get IMFMetadata"); - } - provider->Release(); - } else { - qWarning("Failed to get IMFMetadataProvider from source"); - } - } - - emit metaDataChanged(); - emit metaDataAvailableChanged(m_metaData || m_content); -} |