399500f87e
Change-Id: Ia8c1c38aba1544603fada8c414cc856f365fd15b Reviewed-by: Akseli Salovaara <akseli.salovaara@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
334 lines
10 KiB
C++
334 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <dshow.h>
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#include <initguid.h>
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#include <qnetwork.h>
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#include "directshowmetadatacontrol.h"
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#include "directshowplayerservice.h"
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#include <QtCore/qcoreapplication.h>
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#ifndef QT_NO_WMSDK
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namespace
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{
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struct QWMMetaDataKeyLookup
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{
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QString key;
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const wchar_t *token;
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};
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}
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static const QWMMetaDataKeyLookup qt_wmMetaDataKeys[] =
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{
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{ QMediaMetaData::Title, L"Title" },
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{ QMediaMetaData::SubTitle, L"WM/SubTitle" },
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{ QMediaMetaData::Author, L"Author" },
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{ QMediaMetaData::Comment, L"Comment" },
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{ QMediaMetaData::Description, L"Description" },
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{ QMediaMetaData::Category, L"WM/Category" },
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{ QMediaMetaData::Genre, L"WM/Genre" },
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//{ QMediaMetaData::Date, 0 },
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{ QMediaMetaData::Year, L"WM/Year" },
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{ QMediaMetaData::UserRating, L"UserRating" },
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//{ QMediaMetaData::MetaDatawords, 0 },
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{ QMediaMetaData::Language, L"Language" },
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{ QMediaMetaData::Publisher, L"WM/Publisher" },
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{ QMediaMetaData::Copyright, L"Copyright" },
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{ QMediaMetaData::ParentalRating, L"ParentalRating" },
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//{ QMediaMetaData::RatingOrganisation, L"RatingOrganisation" },
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// Media
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{ QMediaMetaData::Size, L"FileSize" },
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{ QMediaMetaData::MediaType, L"MediaType" },
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{ QMediaMetaData::Duration, L"Duration" },
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// Audio
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{ QMediaMetaData::AudioBitRate, L"AudioBitRate" },
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{ QMediaMetaData::AudioCodec, L"AudioCodec" },
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{ QMediaMetaData::ChannelCount, L"ChannelCount" },
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{ QMediaMetaData::SampleRate, L"Frequency" },
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// Music
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{ QMediaMetaData::AlbumTitle, L"WM/AlbumTitle" },
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{ QMediaMetaData::AlbumArtist, L"WM/AlbumArtist" },
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{ QMediaMetaData::ContributingArtist, L"Author" },
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{ QMediaMetaData::Composer, L"WM/Composer" },
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{ QMediaMetaData::Conductor, L"WM/Conductor" },
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{ QMediaMetaData::Lyrics, L"WM/Lyrics" },
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{ QMediaMetaData::Mood, L"WM/Mood" },
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{ QMediaMetaData::TrackNumber, L"WM/TrackNumber" },
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//{ QMediaMetaData::TrackCount, 0 },
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//{ QMediaMetaData::CoverArtUriSmall, 0 },
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//{ QMediaMetaData::CoverArtUriLarge, 0 },
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// Image/Video
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//{ QMediaMetaData::Resolution, 0 },
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//{ QMediaMetaData::PixelAspectRatio, 0 },
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// Video
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//{ QMediaMetaData::FrameRate, 0 },
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{ QMediaMetaData::VideoBitRate, L"VideoBitRate" },
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{ QMediaMetaData::VideoCodec, L"VideoCodec" },
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//{ QMediaMetaData::PosterUri, 0 },
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// Movie
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{ QMediaMetaData::ChapterNumber, L"ChapterNumber" },
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{ QMediaMetaData::Director, L"WM/Director" },
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{ QMediaMetaData::LeadPerformer, L"LeadPerformer" },
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{ QMediaMetaData::Writer, L"WM/Writer" },
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// Photos
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{ QMediaMetaData::CameraManufacturer, L"CameraManufacturer" },
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{ QMediaMetaData::CameraModel, L"CameraModel" },
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{ QMediaMetaData::Event, L"Event" },
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{ QMediaMetaData::Subject, L"Subject" }
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};
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static QVariant getValue(IWMHeaderInfo *header, const wchar_t *key)
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{
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WORD streamNumber = 0;
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WMT_ATTR_DATATYPE type = WMT_TYPE_DWORD;
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WORD size = 0;
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if (header->GetAttributeByName(&streamNumber, key, &type, 0, &size) == S_OK) {
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switch (type) {
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case WMT_TYPE_DWORD:
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if (size == sizeof(DWORD)) {
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DWORD word;
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if (header->GetAttributeByName(
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&streamNumber,
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key,
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&type,
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reinterpret_cast<BYTE *>(&word),
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&size) == S_OK) {
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return int(word);
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}
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}
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break;
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case WMT_TYPE_STRING:
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{
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QString string;
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string.resize(size / 2 - 1);
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if (header->GetAttributeByName(
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&streamNumber,
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key,
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&type,
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reinterpret_cast<BYTE *>(const_cast<ushort *>(string.utf16())),
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&size) == S_OK) {
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return string;
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}
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}
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break;
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case WMT_TYPE_BINARY:
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{
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QByteArray bytes;
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bytes.resize(size);
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if (header->GetAttributeByName(
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&streamNumber,
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key,
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&type,
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reinterpret_cast<BYTE *>(bytes.data()),
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&size) == S_OK) {
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return bytes;
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}
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}
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break;
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case WMT_TYPE_BOOL:
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if (size == sizeof(DWORD)) {
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DWORD word;
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if (header->GetAttributeByName(
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&streamNumber,
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key,
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&type,
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reinterpret_cast<BYTE *>(&word),
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&size) == S_OK) {
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return bool(word);
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}
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}
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break;
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case WMT_TYPE_QWORD:
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if (size == sizeof(QWORD)) {
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QWORD word;
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if (header->GetAttributeByName(
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&streamNumber,
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key,
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&type,
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reinterpret_cast<BYTE *>(&word),
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&size) == S_OK) {
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return qint64(word);
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}
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}
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break;
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case WMT_TYPE_WORD:
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if (size == sizeof(WORD)){
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WORD word;
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if (header->GetAttributeByName(
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&streamNumber,
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key,
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&type,
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reinterpret_cast<BYTE *>(&word),
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&size) == S_OK) {
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return short(word);
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}
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}
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break;
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case WMT_TYPE_GUID:
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if (size == 16) {
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}
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break;
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default:
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break;
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}
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}
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return QVariant();
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}
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#endif
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DirectShowMetaDataControl::DirectShowMetaDataControl(QObject *parent)
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: QMetaDataReaderControl(parent)
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, m_content(0)
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#ifndef QT_NO_WMSDK
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, m_headerInfo(0)
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#endif
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{
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}
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DirectShowMetaDataControl::~DirectShowMetaDataControl()
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{
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}
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bool DirectShowMetaDataControl::isMetaDataAvailable() const
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{
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#ifndef QT_NO_WMSDK
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return m_content || m_headerInfo;
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#else
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return m_content;
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#endif
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}
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QVariant DirectShowMetaDataControl::metaData(const QString &key) const
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{
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QVariant value;
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#ifndef QT_NO_WMSDK
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if (m_headerInfo) {
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static const int count = sizeof(qt_wmMetaDataKeys) / sizeof(QWMMetaDataKeyLookup);
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for (int i = 0; i < count; ++i) {
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if (qt_wmMetaDataKeys[i].key == key) {
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value = getValue(m_headerInfo, qt_wmMetaDataKeys[i].token);
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break;
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}
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}
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} else if (m_content) {
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#else
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if (m_content) {
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#endif
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BSTR string = 0;
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if (key == QMediaMetaData::Author)
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m_content->get_AuthorName(&string);
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else if (key == QMediaMetaData::Title)
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m_content->get_Title(&string);
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else if (key == QMediaMetaData::ParentalRating)
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m_content->get_Rating(&string);
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else if (key == QMediaMetaData::Description)
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m_content->get_Description(&string);
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else if (key == QMediaMetaData::Copyright)
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m_content->get_Copyright(&string);
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if (string) {
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value = QString::fromUtf16(reinterpret_cast<ushort *>(string), ::SysStringLen(string));
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::SysFreeString(string);
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}
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}
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return value;
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}
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QStringList DirectShowMetaDataControl::availableMetaData() const
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{
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return QStringList();
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}
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void DirectShowMetaDataControl::updateGraph(IFilterGraph2 *graph, IBaseFilter *source)
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{
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if (m_content)
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m_content->Release();
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if (!graph || graph->QueryInterface(
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IID_IAMMediaContent, reinterpret_cast<void **>(&m_content)) != S_OK) {
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m_content = 0;
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}
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#ifdef QT_NO_WMSDK
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Q_UNUSED(source);
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#else
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if (m_headerInfo)
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m_headerInfo->Release();
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m_headerInfo = com_cast<IWMHeaderInfo>(source, IID_IWMHeaderInfo);
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#endif
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// DirectShowMediaPlayerService holds a lock at this point so defer emitting signals to a later
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// time.
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QCoreApplication::postEvent(this, new QEvent(QEvent::Type(MetaDataChanged)));
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}
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void DirectShowMetaDataControl::customEvent(QEvent *event)
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{
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if (event->type() == QEvent::Type(MetaDataChanged)) {
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event->accept();
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emit metaDataChanged();
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#ifndef QT_NO_WMSDK
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emit metaDataAvailableChanged(m_content || m_headerInfo);
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#else
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emit metaDataAvailableChanged(m_content);
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#endif
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} else {
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QMetaDataReaderControl::customEvent(event);
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}
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}
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