diff options
Diffstat (limited to 'src/plugins/mediaservices/directshow/mediaplayer/directshowplayercontrol.cpp')
| -rw-r--r-- | src/plugins/mediaservices/directshow/mediaplayer/directshowplayercontrol.cpp | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/src/plugins/mediaservices/directshow/mediaplayer/directshowplayercontrol.cpp b/src/plugins/mediaservices/directshow/mediaplayer/directshowplayercontrol.cpp deleted file mode 100644 index 67d07e1..0000000 --- a/src/plugins/mediaservices/directshow/mediaplayer/directshowplayercontrol.cpp +++ /dev/null @@ -1,395 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** 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 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. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "directshowplayercontrol.h" - -#include "directshowplayerservice.h" - -#include <QtCore/qcoreapplication.h> -#include <QtCore/qmath.h> - - -QT_BEGIN_NAMESPACE - -static int volumeToDecibels(int volume) -{ - if (volume == 0) { - return -10000; - } else if (volume == 100) { - return 0; -#ifdef QT_USE_MATH_H_FLOATS - } else if (sizeof(qreal) == sizeof(float)) { - return qRound(::log10f(float(volume) / 100) * 5000); -#endif - } else { - return qRound(::log10(qreal(volume) / 100) * 5000); - } -} - -static int decibelsToVolume(int dB) -{ - if (dB == -10000) { - return 0; - } else if (dB == 0) { - return 100; - } else { - return qRound(100 * qPow(10, qreal(dB) / 5000)); - } -} - -DirectShowPlayerControl::DirectShowPlayerControl(DirectShowPlayerService *service, QObject *parent) - : QMediaPlayerControl(parent) - , m_service(service) - , m_audio(0) - , m_updateProperties(0) - , m_state(QMediaPlayer::StoppedState) - , m_status(QMediaPlayer::UnknownMediaStatus) - , m_error(QMediaPlayer::NoError) - , m_streamTypes(0) - , m_muteVolume(-1) - , m_position(0) - , m_duration(0) - , m_playbackRate(1.0) - , m_seekable(false) -{ -} - -DirectShowPlayerControl::~DirectShowPlayerControl() -{ - if (m_audio) - m_audio->Release(); -} - -QMediaPlayer::State DirectShowPlayerControl::state() const -{ - return m_state; -} - -QMediaPlayer::MediaStatus DirectShowPlayerControl::mediaStatus() const -{ - return m_status; -} - -qint64 DirectShowPlayerControl::duration() const -{ - return m_duration; -} - -qint64 DirectShowPlayerControl::position() const -{ - return const_cast<qint64 &>(m_position) = m_service->position(); -} - -void DirectShowPlayerControl::setPosition(qint64 position) -{ - m_service->seek(position); -} - -int DirectShowPlayerControl::volume() const -{ - if (m_muteVolume >= 0) { - return m_muteVolume; - } else if (m_audio) { - long dB = 0; - - m_audio->get_Volume(&dB); - - return decibelsToVolume(dB); - } else { - return 0; - } -} - -void DirectShowPlayerControl::setVolume(int volume) -{ - int boundedVolume = qBound(0, volume, 100); - - if (m_muteVolume >= 0) { - m_muteVolume = boundedVolume; - - emit volumeChanged(m_muteVolume); - } else if (m_audio) { - m_audio->put_Volume(volumeToDecibels(volume)); - - emit volumeChanged(boundedVolume); - } -} - -bool DirectShowPlayerControl::isMuted() const -{ - return m_muteVolume >= 0; -} - -void DirectShowPlayerControl::setMuted(bool muted) -{ - if (muted && m_muteVolume < 0) { - if (m_audio) { - long dB = 0; - - m_audio->get_Volume(&dB); - - m_muteVolume = decibelsToVolume(dB); - - m_audio->put_Volume(-10000); - } else { - m_muteVolume = 0; - } - - emit mutedChanged(muted); - } else if (!muted && m_muteVolume >= 0) { - if (m_audio) { - m_audio->put_Volume(volumeToDecibels(m_muteVolume)); - } - m_muteVolume = -1; - - emit mutedChanged(muted); - } -} - -int DirectShowPlayerControl::bufferStatus() const -{ - return m_service->bufferStatus(); -} - -bool DirectShowPlayerControl::isAudioAvailable() const -{ - return m_streamTypes & DirectShowPlayerService::AudioStream; -} - -bool DirectShowPlayerControl::isVideoAvailable() const -{ - return m_streamTypes & DirectShowPlayerService::VideoStream; -} - -bool DirectShowPlayerControl::isSeekable() const -{ - return m_seekable; -} - -QMediaTimeRange DirectShowPlayerControl::availablePlaybackRanges() const -{ - return m_service->availablePlaybackRanges(); -} - -qreal DirectShowPlayerControl::playbackRate() const -{ - return m_playbackRate; -} - -void DirectShowPlayerControl::setPlaybackRate(qreal rate) -{ - if (m_playbackRate != rate) { - m_service->setRate(rate); - - emit playbackRateChanged(m_playbackRate = rate); - } -} - -QMediaContent DirectShowPlayerControl::media() const -{ - return m_media; -} - -const QIODevice *DirectShowPlayerControl::mediaStream() const -{ - return m_stream; -} - -void DirectShowPlayerControl::setMedia(const QMediaContent &media, QIODevice *stream) -{ - m_media = media; - m_stream = stream; - - m_updateProperties &= PlaybackRateProperty; - - m_service->load(media, stream); - - emitPropertyChanges(); -} - -void DirectShowPlayerControl::play() -{ - m_service->play(); - emit stateChanged(m_state = QMediaPlayer::PlayingState); -} - -void DirectShowPlayerControl::pause() -{ - m_service->pause(); - emit stateChanged(m_state = QMediaPlayer::PausedState); -} - -void DirectShowPlayerControl::stop() -{ - m_service->stop(); - emit stateChanged(m_state = QMediaPlayer::StoppedState); -} - -void DirectShowPlayerControl::customEvent(QEvent *event) -{ - if (event->type() == QEvent::Type(PropertiesChanged)) { - emitPropertyChanges(); - - event->accept(); - } else { - QMediaPlayerControl::customEvent(event); - } -} - -void DirectShowPlayerControl::emitPropertyChanges() -{ - int properties = m_updateProperties; - m_updateProperties = 0; - - if ((properties & ErrorProperty) && m_error != QMediaPlayer::NoError) - emit error(m_error, m_errorString); - - if (properties & PlaybackRateProperty) - emit playbackRateChanged(m_playbackRate); - - if (properties & StreamTypesProperty) { - emit audioAvailableChanged(m_streamTypes & DirectShowPlayerService::AudioStream); - emit videoAvailableChanged(m_streamTypes & DirectShowPlayerService::VideoStream); - } - - if (properties & PositionProperty) - emit positionChanged(m_position); - - if (properties & DurationProperty) - emit durationChanged(m_duration); - - if (properties & SeekableProperty) - emit seekableChanged(m_seekable); - - if (properties & StatusProperty) - emit mediaStatusChanged(m_status); - - if (properties & StateProperty) - emit stateChanged(m_state); -} - -void DirectShowPlayerControl::scheduleUpdate(int properties) -{ - if (m_updateProperties == 0) - QCoreApplication::postEvent(this, new QEvent(QEvent::Type(PropertiesChanged))); - - m_updateProperties |= properties; -} - -void DirectShowPlayerControl::updateState(QMediaPlayer::State state) -{ - if (m_state != state) { - m_state = state; - - scheduleUpdate(StateProperty); - } -} - -void DirectShowPlayerControl::updateStatus(QMediaPlayer::MediaStatus status) -{ - if (m_status != status) { - m_status = status; - - scheduleUpdate(StatusProperty); - } -} - -void DirectShowPlayerControl::updateMediaInfo(qint64 duration, int streamTypes, bool seekable) -{ - int properties = 0; - - if (m_duration != duration) { - m_duration = duration; - - properties |= DurationProperty; - } - if (m_streamTypes != streamTypes) { - m_streamTypes = streamTypes; - - properties |= StreamTypesProperty; - } - - if (m_seekable != seekable) { - m_seekable = seekable; - - properties |= SeekableProperty; - } - - if (properties != 0) - scheduleUpdate(properties); -} - -void DirectShowPlayerControl::updatePlaybackRate(qreal rate) -{ - if (m_playbackRate != rate) { - m_playbackRate = rate; - - scheduleUpdate(PlaybackRateProperty); - } -} - -void DirectShowPlayerControl::updateAudioOutput(IBaseFilter *filter) -{ - if (m_audio) - m_audio->Release(); - - m_audio = com_cast<IBasicAudio>(filter, IID_IBasicAudio); -} - -void DirectShowPlayerControl::updateError(QMediaPlayer::Error error, const QString &errorString) -{ - m_error = error; - m_errorString = errorString; - - if (m_error != QMediaPlayer::NoError) - scheduleUpdate(ErrorProperty); -} - -void DirectShowPlayerControl::updatePosition(qint64 position) -{ - if (m_position != position) { - m_position = position; - - scheduleUpdate(PositionProperty); - } -} - -QT_END_NAMESPACE |