Files
qtmultimedia/src/plugins/android/src/mediaplayer/qandroidmediaplayercontrol.cpp
Frederik Gladhorn f9014d136f Merge remote-tracking branch 'origin/5.4' into dev
Change-Id: I5575a4ba13212c9bfe73a3de3ef17c6528beafc3
2015-02-13 13:10:48 +01:00

757 lines
22 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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
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** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
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** $QT_END_LICENSE$
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****************************************************************************/
#include "qandroidmediaplayercontrol.h"
#include "androidmediaplayer.h"
#include "qandroidvideooutput.h"
QT_BEGIN_NAMESPACE
class StateChangeNotifier
{
public:
StateChangeNotifier(QAndroidMediaPlayerControl *mp)
: mControl(mp)
, mPreviousState(mp->state())
, mPreviousMediaStatus(mp->mediaStatus())
{
++mControl->mActiveStateChangeNotifiers;
}
~StateChangeNotifier()
{
if (--mControl->mActiveStateChangeNotifiers)
return;
if (mPreviousState != mControl->state())
Q_EMIT mControl->stateChanged(mControl->state());
if (mPreviousMediaStatus != mControl->mediaStatus())
Q_EMIT mControl->mediaStatusChanged(mControl->mediaStatus());
}
private:
QAndroidMediaPlayerControl *mControl;
QMediaPlayer::State mPreviousState;
QMediaPlayer::MediaStatus mPreviousMediaStatus;
};
QAndroidMediaPlayerControl::QAndroidMediaPlayerControl(QObject *parent)
: QMediaPlayerControl(parent),
mMediaPlayer(new AndroidMediaPlayer),
mCurrentState(QMediaPlayer::StoppedState),
mCurrentMediaStatus(QMediaPlayer::NoMedia),
mMediaStream(0),
mVideoOutput(0),
mSeekable(true),
mBufferPercent(-1),
mBufferFilled(false),
mAudioAvailable(false),
mVideoAvailable(false),
mBuffering(false),
mState(AndroidMediaPlayer::Uninitialized),
mPendingState(-1),
mPendingPosition(-1),
mPendingSetMedia(false),
mPendingVolume(-1),
mPendingMute(-1),
mReloadingMedia(false),
mActiveStateChangeNotifiers(0)
{
connect(mMediaPlayer,SIGNAL(bufferingChanged(qint32)),
this,SLOT(onBufferingChanged(qint32)));
connect(mMediaPlayer,SIGNAL(info(qint32,qint32)),
this,SLOT(onInfo(qint32,qint32)));
connect(mMediaPlayer,SIGNAL(error(qint32,qint32)),
this,SLOT(onError(qint32,qint32)));
connect(mMediaPlayer,SIGNAL(stateChanged(qint32)),
this,SLOT(onStateChanged(qint32)));
connect(mMediaPlayer,SIGNAL(videoSizeChanged(qint32,qint32)),
this,SLOT(onVideoSizeChanged(qint32,qint32)));
connect(mMediaPlayer,SIGNAL(progressChanged(qint64)),
this,SIGNAL(positionChanged(qint64)));
connect(mMediaPlayer,SIGNAL(durationChanged(qint64)),
this,SIGNAL(durationChanged(qint64)));
}
QAndroidMediaPlayerControl::~QAndroidMediaPlayerControl()
{
mMediaPlayer->release();
delete mMediaPlayer;
}
QMediaPlayer::State QAndroidMediaPlayerControl::state() const
{
return mCurrentState;
}
QMediaPlayer::MediaStatus QAndroidMediaPlayerControl::mediaStatus() const
{
return mCurrentMediaStatus;
}
qint64 QAndroidMediaPlayerControl::duration() const
{
if ((mState & (AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::Stopped
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
return 0;
}
return mMediaPlayer->getDuration();
}
qint64 QAndroidMediaPlayerControl::position() const
{
if (mCurrentMediaStatus == QMediaPlayer::EndOfMedia)
return duration();
if ((mState & (AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted))) {
return mMediaPlayer->getCurrentPosition();
}
return (mPendingPosition == -1) ? 0 : mPendingPosition;
}
void QAndroidMediaPlayerControl::setPosition(qint64 position)
{
if (!mSeekable)
return;
const int seekPosition = (position > INT_MAX) ? INT_MAX : position;
if (seekPosition == this->position())
return;
StateChangeNotifier notifier(this);
if (mCurrentMediaStatus == QMediaPlayer::EndOfMedia)
setMediaStatus(QMediaPlayer::LoadedMedia);
if ((mState & (AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
mPendingPosition = seekPosition;
} else {
mMediaPlayer->seekTo(seekPosition);
if (mPendingPosition != -1) {
mPendingPosition = -1;
}
}
Q_EMIT positionChanged(seekPosition);
}
int QAndroidMediaPlayerControl::volume() const
{
return (mPendingVolume == -1) ? mMediaPlayer->volume() : mPendingVolume;
}
void QAndroidMediaPlayerControl::setVolume(int volume)
{
if ((mState & (AndroidMediaPlayer::Idle
| AndroidMediaPlayer::Initialized
| AndroidMediaPlayer::Stopped
| AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
if (mPendingVolume != volume) {
mPendingVolume = volume;
Q_EMIT volumeChanged(volume);
}
return;
}
mMediaPlayer->setVolume(volume);
if (mPendingVolume != -1) {
mPendingVolume = -1;
return;
}
Q_EMIT volumeChanged(volume);
}
bool QAndroidMediaPlayerControl::isMuted() const
{
return (mPendingMute == -1) ? mMediaPlayer->isMuted() : (mPendingMute == 1);
}
void QAndroidMediaPlayerControl::setMuted(bool muted)
{
if ((mState & (AndroidMediaPlayer::Idle
| AndroidMediaPlayer::Initialized
| AndroidMediaPlayer::Stopped
| AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
if (mPendingMute != muted) {
mPendingMute = muted;
Q_EMIT mutedChanged(muted);
}
return;
}
mMediaPlayer->setMuted(muted);
if (mPendingMute != -1) {
mPendingMute = -1;
return;
}
Q_EMIT mutedChanged(muted);
}
int QAndroidMediaPlayerControl::bufferStatus() const
{
return mBufferFilled ? 100 : 0;
}
bool QAndroidMediaPlayerControl::isAudioAvailable() const
{
return mAudioAvailable;
}
bool QAndroidMediaPlayerControl::isVideoAvailable() const
{
return mVideoAvailable;
}
bool QAndroidMediaPlayerControl::isSeekable() const
{
return mSeekable;
}
QMediaTimeRange QAndroidMediaPlayerControl::availablePlaybackRanges() const
{
return mAvailablePlaybackRange;
}
void QAndroidMediaPlayerControl::updateAvailablePlaybackRanges()
{
if (mBuffering) {
const qint64 pos = position();
const qint64 end = (duration() / 100) * mBufferPercent;
mAvailablePlaybackRange.addInterval(pos, end);
} else if (mSeekable) {
mAvailablePlaybackRange = QMediaTimeRange(0, duration());
} else {
mAvailablePlaybackRange = QMediaTimeRange();
}
Q_EMIT availablePlaybackRangesChanged(mAvailablePlaybackRange);
}
qreal QAndroidMediaPlayerControl::playbackRate() const
{
return 1.0f;
}
void QAndroidMediaPlayerControl::setPlaybackRate(qreal rate)
{
Q_UNUSED(rate);
}
QMediaContent QAndroidMediaPlayerControl::media() const
{
return mMediaContent;
}
const QIODevice *QAndroidMediaPlayerControl::mediaStream() const
{
return mMediaStream;
}
void QAndroidMediaPlayerControl::setMedia(const QMediaContent &mediaContent,
QIODevice *stream)
{
StateChangeNotifier notifier(this);
mReloadingMedia = (mMediaContent == mediaContent);
if (!mReloadingMedia) {
mMediaContent = mediaContent;
mMediaStream = stream;
}
// Release the mediaplayer if it's not in in Idle or Uninitialized state
if ((mState & (AndroidMediaPlayer::Idle | AndroidMediaPlayer::Uninitialized)) == 0)
mMediaPlayer->release();
QString mediaPath;
if (mediaContent.isNull()) {
setMediaStatus(QMediaPlayer::NoMedia);
} else {
if (mVideoOutput && !mVideoOutput->isReady()) {
// if a video output is set but the video texture is not ready, delay loading the media
// since it can cause problems on some hardware
mPendingSetMedia = true;
return;
}
const QUrl url = mediaContent.canonicalUrl();
if (url.scheme() == QLatin1String("qrc")) {
const QString path = url.toString().mid(3);
mTempFile.reset(QTemporaryFile::createNativeFile(path));
if (!mTempFile.isNull())
mediaPath = QStringLiteral("file://") + mTempFile->fileName();
} else {
mediaPath = url.toString(QUrl::FullyEncoded);
}
if (mVideoSize.isValid() && mVideoOutput)
mVideoOutput->setVideoSize(mVideoSize);
if ((mMediaPlayer->display() == 0) && mVideoOutput)
mMediaPlayer->setDisplay(mVideoOutput->surfaceTexture());
mMediaPlayer->setDataSource(mediaPath);
mMediaPlayer->prepareAsync();
}
if (!mReloadingMedia) {
Q_EMIT mediaChanged(mMediaContent);
Q_EMIT actualMediaLocationChanged(mediaPath);
}
resetBufferingProgress();
mReloadingMedia = false;
}
void QAndroidMediaPlayerControl::setVideoOutput(QObject *videoOutput)
{
if (mVideoOutput) {
mMediaPlayer->setDisplay(0);
mVideoOutput->stop();
mVideoOutput->reset();
}
mVideoOutput = qobject_cast<QAndroidVideoOutput *>(videoOutput);
if (!mVideoOutput)
return;
if (mVideoOutput->isReady())
mMediaPlayer->setDisplay(mVideoOutput->surfaceTexture());
connect(videoOutput, SIGNAL(readyChanged(bool)), this, SLOT(onVideoOutputReady(bool)));
}
void QAndroidMediaPlayerControl::play()
{
StateChangeNotifier notifier(this);
// We need to prepare the mediaplayer again.
if ((mState & AndroidMediaPlayer::Stopped) && !mMediaContent.isNull()) {
setMedia(mMediaContent, mMediaStream);
}
setState(QMediaPlayer::PlayingState);
if ((mState & (AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
mPendingState = QMediaPlayer::PlayingState;
return;
}
mMediaPlayer->play();
}
void QAndroidMediaPlayerControl::pause()
{
StateChangeNotifier notifier(this);
setState(QMediaPlayer::PausedState);
if ((mState & (AndroidMediaPlayer::Started
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
mPendingState = QMediaPlayer::PausedState;
return;
}
mMediaPlayer->pause();
}
void QAndroidMediaPlayerControl::stop()
{
StateChangeNotifier notifier(this);
setState(QMediaPlayer::StoppedState);
if ((mState & (AndroidMediaPlayer::Prepared
| AndroidMediaPlayer::Started
| AndroidMediaPlayer::Stopped
| AndroidMediaPlayer::Paused
| AndroidMediaPlayer::PlaybackCompleted)) == 0) {
if ((mState & (AndroidMediaPlayer::Idle | AndroidMediaPlayer::Uninitialized | AndroidMediaPlayer::Error)) == 0)
mPendingState = QMediaPlayer::StoppedState;
return;
}
mMediaPlayer->stop();
}
void QAndroidMediaPlayerControl::onInfo(qint32 what, qint32 extra)
{
StateChangeNotifier notifier(this);
Q_UNUSED(extra);
switch (what) {
case AndroidMediaPlayer::MEDIA_INFO_UNKNOWN:
break;
case AndroidMediaPlayer::MEDIA_INFO_VIDEO_TRACK_LAGGING:
// IGNORE
break;
case AndroidMediaPlayer::MEDIA_INFO_VIDEO_RENDERING_START:
break;
case AndroidMediaPlayer::MEDIA_INFO_BUFFERING_START:
mPendingState = mCurrentState;
setState(QMediaPlayer::PausedState);
setMediaStatus(QMediaPlayer::StalledMedia);
break;
case AndroidMediaPlayer::MEDIA_INFO_BUFFERING_END:
if (mCurrentState != QMediaPlayer::StoppedState)
flushPendingStates();
break;
case AndroidMediaPlayer::MEDIA_INFO_BAD_INTERLEAVING:
break;
case AndroidMediaPlayer::MEDIA_INFO_NOT_SEEKABLE:
setSeekable(false);
break;
case AndroidMediaPlayer::MEDIA_INFO_METADATA_UPDATE:
Q_EMIT metaDataUpdated();
break;
}
}
void QAndroidMediaPlayerControl::onError(qint32 what, qint32 extra)
{
StateChangeNotifier notifier(this);
QString errorString;
QMediaPlayer::Error error = QMediaPlayer::ResourceError;
switch (what) {
case AndroidMediaPlayer::MEDIA_ERROR_UNKNOWN:
errorString = QLatin1String("Error:");
break;
case AndroidMediaPlayer::MEDIA_ERROR_SERVER_DIED:
errorString = QLatin1String("Error: Server died");
error = QMediaPlayer::ServiceMissingError;
break;
case AndroidMediaPlayer::MEDIA_ERROR_INVALID_STATE:
errorString = QLatin1String("Error: Invalid state");
error = QMediaPlayer::ServiceMissingError;
break;
}
switch (extra) {
case AndroidMediaPlayer::MEDIA_ERROR_IO: // Network OR file error
errorString += QLatin1String(" (I/O operation failed)");
error = QMediaPlayer::NetworkError;
setMediaStatus(QMediaPlayer::InvalidMedia);
break;
case AndroidMediaPlayer::MEDIA_ERROR_MALFORMED:
errorString += QLatin1String(" (Malformed bitstream)");
error = QMediaPlayer::FormatError;
setMediaStatus(QMediaPlayer::InvalidMedia);
break;
case AndroidMediaPlayer::MEDIA_ERROR_UNSUPPORTED:
errorString += QLatin1String(" (Unsupported media)");
error = QMediaPlayer::FormatError;
setMediaStatus(QMediaPlayer::InvalidMedia);
break;
case AndroidMediaPlayer::MEDIA_ERROR_TIMED_OUT:
errorString += QLatin1String(" (Timed out)");
break;
case AndroidMediaPlayer::MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK:
errorString += QLatin1String(" (Unable to start progressive playback')");
error = QMediaPlayer::FormatError;
setMediaStatus(QMediaPlayer::InvalidMedia);
break;
case AndroidMediaPlayer::MEDIA_ERROR_BAD_THINGS_ARE_GOING_TO_HAPPEN:
errorString += QLatin1String(" (Unknown error/Insufficient resources)");
error = QMediaPlayer::ServiceMissingError;
break;
}
Q_EMIT QMediaPlayerControl::error(error, errorString);
}
void QAndroidMediaPlayerControl::onBufferingChanged(qint32 percent)
{
StateChangeNotifier notifier(this);
mBuffering = percent != 100;
mBufferPercent = percent;
updateAvailablePlaybackRanges();
if (mCurrentState != QMediaPlayer::StoppedState)
setMediaStatus(mBuffering ? QMediaPlayer::BufferingMedia : QMediaPlayer::BufferedMedia);
}
void QAndroidMediaPlayerControl::onVideoSizeChanged(qint32 width, qint32 height)
{
QSize newSize(width, height);
if (width == 0 || height == 0 || newSize == mVideoSize)
return;
setVideoAvailable(true);
mVideoSize = newSize;
if (mVideoOutput)
mVideoOutput->setVideoSize(mVideoSize);
}
void QAndroidMediaPlayerControl::onStateChanged(qint32 state)
{
// If reloading, don't report state changes unless the new state is Prepared or Error.
if ((mState & AndroidMediaPlayer::Stopped)
&& (state & (AndroidMediaPlayer::Prepared | AndroidMediaPlayer::Error | AndroidMediaPlayer::Uninitialized)) == 0) {
return;
}
StateChangeNotifier notifier(this);
mState = state;
switch (mState) {
case AndroidMediaPlayer::Idle:
break;
case AndroidMediaPlayer::Initialized:
break;
case AndroidMediaPlayer::Preparing:
if (!mReloadingMedia)
setMediaStatus(QMediaPlayer::LoadingMedia);
break;
case AndroidMediaPlayer::Prepared:
setMediaStatus(QMediaPlayer::LoadedMedia);
if (mBuffering) {
setMediaStatus(mBufferPercent == 100 ? QMediaPlayer::BufferedMedia
: QMediaPlayer::BufferingMedia);
} else {
onBufferingChanged(100);
}
setAudioAvailable(true);
flushPendingStates();
break;
case AndroidMediaPlayer::Started:
setState(QMediaPlayer::PlayingState);
if (mBuffering) {
setMediaStatus(mBufferPercent == 100 ? QMediaPlayer::BufferedMedia
: QMediaPlayer::BufferingMedia);
} else {
setMediaStatus(QMediaPlayer::BufferedMedia);
}
Q_EMIT positionChanged(position());
break;
case AndroidMediaPlayer::Paused:
setState(QMediaPlayer::PausedState);
break;
case AndroidMediaPlayer::Error:
setState(QMediaPlayer::StoppedState);
setMediaStatus(QMediaPlayer::UnknownMediaStatus);
mMediaPlayer->release();
Q_EMIT positionChanged(0);
break;
case AndroidMediaPlayer::Stopped:
setState(QMediaPlayer::StoppedState);
setMediaStatus(QMediaPlayer::LoadedMedia);
Q_EMIT positionChanged(0);
break;
case AndroidMediaPlayer::PlaybackCompleted:
setState(QMediaPlayer::StoppedState);
setMediaStatus(QMediaPlayer::EndOfMedia);
break;
case AndroidMediaPlayer::Uninitialized:
// reset some properties (unless we reload the same media)
if (!mReloadingMedia) {
resetBufferingProgress();
mPendingPosition = -1;
mPendingSetMedia = false;
mPendingState = -1;
Q_EMIT durationChanged(0);
Q_EMIT positionChanged(0);
setAudioAvailable(false);
setVideoAvailable(false);
setSeekable(true);
}
break;
default:
break;
}
if ((mState & (AndroidMediaPlayer::Stopped | AndroidMediaPlayer::Uninitialized)) != 0) {
mMediaPlayer->setDisplay(0);
if (mVideoOutput) {
mVideoOutput->stop();
mVideoOutput->reset();
}
}
}
void QAndroidMediaPlayerControl::onVideoOutputReady(bool ready)
{
if ((mMediaPlayer->display() == 0) && mVideoOutput && ready)
mMediaPlayer->setDisplay(mVideoOutput->surfaceTexture());
flushPendingStates();
}
void QAndroidMediaPlayerControl::setState(QMediaPlayer::State state)
{
if (mCurrentState == state)
return;
if (mCurrentState == QMediaPlayer::StoppedState && state == QMediaPlayer::PausedState)
return;
mCurrentState = state;
}
void QAndroidMediaPlayerControl::setMediaStatus(QMediaPlayer::MediaStatus status)
{
if (mCurrentMediaStatus == status)
return;
mCurrentMediaStatus = status;
if (status == QMediaPlayer::NoMedia || status == QMediaPlayer::InvalidMedia)
Q_EMIT durationChanged(0);
if (status == QMediaPlayer::EndOfMedia)
Q_EMIT positionChanged(position());
updateBufferStatus();
}
void QAndroidMediaPlayerControl::setSeekable(bool seekable)
{
if (mSeekable == seekable)
return;
mSeekable = seekable;
Q_EMIT seekableChanged(mSeekable);
}
void QAndroidMediaPlayerControl::setAudioAvailable(bool available)
{
if (mAudioAvailable == available)
return;
mAudioAvailable = available;
Q_EMIT audioAvailableChanged(mAudioAvailable);
}
void QAndroidMediaPlayerControl::setVideoAvailable(bool available)
{
if (mVideoAvailable == available)
return;
if (!available)
mVideoSize = QSize();
mVideoAvailable = available;
Q_EMIT videoAvailableChanged(mVideoAvailable);
}
void QAndroidMediaPlayerControl::resetBufferingProgress()
{
mBuffering = false;
mBufferPercent = 0;
mAvailablePlaybackRange = QMediaTimeRange();
}
void QAndroidMediaPlayerControl::flushPendingStates()
{
if (mPendingSetMedia) {
mPendingSetMedia = false;
setMedia(mMediaContent, 0);
return;
}
const int newState = mPendingState;
mPendingState = -1;
if (mPendingPosition != -1)
setPosition(mPendingPosition);
if (mPendingVolume != -1)
setVolume(mPendingVolume);
if (mPendingMute != -1)
setMuted((mPendingMute == 1));
switch (newState) {
case QMediaPlayer::PlayingState:
play();
break;
case QMediaPlayer::PausedState:
pause();
break;
case QMediaPlayer::StoppedState:
stop();
break;
default:
break;
}
}
void QAndroidMediaPlayerControl::updateBufferStatus()
{
bool bufferFilled = (mCurrentMediaStatus == QMediaPlayer::BufferedMedia
|| mCurrentMediaStatus == QMediaPlayer::BufferingMedia);
if (mBufferFilled != bufferFilled) {
mBufferFilled = bufferFilled;
Q_EMIT bufferStatusChanged(bufferStatus());
}
}
QT_END_NAMESPACE