Merge remote-tracking branch 'origin/stable' into dev

Change-Id: I25197ccc930730be363f8f65624d7fa10c1d33e9

1 files changed, 634 insertions, 0 deletions

diff --git a/src/plugins/qnx/mediaplayer/mmrenderermediaplayercontrol.cpp b/src/plugins/qnx/mediaplayer/mmrenderermediaplayercontrol.cpp
new file mode 100644
index 000000000..2a376198b
--- /dev/null
+++ b/src/plugins/qnx/mediaplayer/mmrenderermediaplayercontrol.cpp
@@ -0,0 +1,634 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Research In Motion
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "mmrenderermediaplayercontrol.h"
+#include "mmrenderermetadatareadercontrol.h"
+#include "mmrendererplayervideorenderercontrol.h"
+#include "mmrendererutil.h"
+#include "mmrenderervideowindowcontrol.h"
+#include <QtCore/qabstracteventdispatcher.h>
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qdir.h>
+#include <QtCore/qfileinfo.h>
+#include <QtCore/quuid.h>
+#include <mm/renderer.h>
+
+#include <errno.h>
+#include <sys/strm.h>
+#include <sys/stat.h>
+
+QT_BEGIN_NAMESPACE
+
+static int idCounter = 0;
+
+MmRendererMediaPlayerControl::MmRendererMediaPlayerControl(QObject *parent)
+    : QMediaPlayerControl(parent),
+      m_connection(0),
+      m_context(0),
+      m_audioId(-1),
+      m_state(QMediaPlayer::StoppedState),
+      m_volume(100),
+      m_muted(false),
+      m_rate(1),
+      m_id(-1),
+      m_position(0),
+      m_mediaStatus(QMediaPlayer::NoMedia),
+      m_playAfterMediaLoaded(false),
+      m_inputAttached(false),
+      m_stopEventsToIgnore(0),
+      m_bufferStatus(0)
+{
+    m_loadingTimer.setSingleShot(true);
+    m_loadingTimer.setInterval(0);
+    connect(&m_loadingTimer, SIGNAL(timeout()), this, SLOT(continueLoadMedia()));
+    QCoreApplication::eventDispatcher()->installNativeEventFilter(this);
+}
+
+void MmRendererMediaPlayerControl::destroy()
+{
+    stop();
+    detach();
+    closeConnection();
+    QCoreApplication::eventDispatcher()->removeNativeEventFilter(this);
+}
+
+void MmRendererMediaPlayerControl::openConnection()
+{
+    m_connection = mmr_connect(NULL);
+    if (!m_connection) {
+        emitPError("Unable to connect to the multimedia renderer");
+        return;
+    }
+
+    m_id = idCounter++;
+    m_contextName = QString("MmRendererMediaPlayerControl_%1_%2").arg(m_id)
+                                                         .arg(QCoreApplication::applicationPid());
+    m_context = mmr_context_create(m_connection, m_contextName.toLatin1(),
+                                   0, S_IRWXU|S_IRWXG|S_IRWXO);
+    if (!m_context) {
+        emitPError("Unable to create context");
+        closeConnection();
+        return;
+    }
+
+    startMonitoring(m_id, m_contextName);
+}
+
+void MmRendererMediaPlayerControl::handleMmStatusUpdate(qint64 newPosition)
+{
+    // Prevent spurious position change events from overriding our own position, for example
+    // when setting the position to 0 in stop().
+    // Also, don't change the position while we're loading the media, as then play() would
+    // set a wrong initial position.
+    if (m_state != QMediaPlayer::PlayingState ||
+        m_mediaStatus == QMediaPlayer::LoadingMedia ||
+        m_mediaStatus == QMediaPlayer::NoMedia ||
+        m_mediaStatus == QMediaPlayer::InvalidMedia)
+        return;
+
+    setMmPosition(newPosition);
+}
+
+void MmRendererMediaPlayerControl::handleMmStopped()
+{
+    // Only react to stop events that happen when the end of the stream is reached and
+    // playback is stopped because of this.
+    // Ignore other stop event sources, souch as calling mmr_stop() ourselves and
+    // mmr_input_attach().
+    if (m_stopEventsToIgnore > 0) {
+        --m_stopEventsToIgnore;
+    } else {
+        setMediaStatus(QMediaPlayer::EndOfMedia);
+        stopInternal(IgnoreMmRenderer);
+    }
+}
+
+void MmRendererMediaPlayerControl::closeConnection()
+{
+    stopMonitoring();
+
+    if (m_context) {
+        mmr_context_destroy(m_context);
+        m_context = 0;
+        m_contextName.clear();
+    }
+
+    if (m_connection) {
+        mmr_disconnect(m_connection);
+        m_connection = 0;
+    }
+}
+
+QByteArray MmRendererMediaPlayerControl::resourcePathForUrl(const QUrl &url)
+{
+    // If this is a local file, mmrenderer expects the file:// prefix and an absolute path.
+    // We treat URLs without scheme as local files, most likely someone just forgot to set the
+    // file:// prefix when constructing the URL.
+    if (url.isLocalFile() || url.scheme().isEmpty()) {
+        QString relativeFilePath;
+        if (!url.scheme().isEmpty())
+            relativeFilePath = url.toLocalFile();
+        else
+            relativeFilePath = url.path();
+        const QFileInfo fileInfo(relativeFilePath);
+        return QFile::encodeName(QStringLiteral("file://") + fileInfo.absoluteFilePath());
+
+    // QRC, copy to temporary file, as mmrenderer does not support resource files
+    } else if (url.scheme() == QStringLiteral("qrc")) {
+        const QString qrcPath = ':' + url.path();
+        const QFileInfo resourceFileInfo(qrcPath);
+        m_tempMediaFileName = QDir::tempPath() + QStringLiteral("/qtmedia_") +
+                              QUuid::createUuid().toString() + QStringLiteral(".") +
+                              resourceFileInfo.suffix();
+        if (!QFile::copy(qrcPath, m_tempMediaFileName)) {
+            const QString errorMsg = QString("Failed to copy resource file to temporary file "
+                                             "%1 for playback").arg(m_tempMediaFileName);
+            qDebug() << errorMsg;
+            emit error(0, errorMsg);
+            return QByteArray();
+        }
+        return QFile::encodeName(m_tempMediaFileName);
+
+    // HTTP or similar URL
+    } else {
+        return url.toEncoded();
+    }
+}
+
+void MmRendererMediaPlayerControl::attach()
+{
+    // Should only be called in detached state
+    Q_ASSERT(m_audioId == -1 && !m_inputAttached && m_tempMediaFileName.isEmpty());
+
+    if (m_media.isNull() || !m_context) {
+        setMediaStatus(QMediaPlayer::NoMedia);
+        return;
+    }
+
+    if (m_videoRendererControl)
+        m_videoRendererControl->attachDisplay(m_context);
+
+    if (m_videoWindowControl)
+        m_videoWindowControl->attachDisplay(m_context);
+
+    m_audioId = mmr_output_attach(m_context, "audio:default", "audio");
+    if (m_audioId == -1) {
+        emitMmError("mmr_output_attach() for audio failed");
+        return;
+    }
+
+    const QByteArray resourcePath = resourcePathForUrl(m_media.canonicalUrl());
+    if (resourcePath.isEmpty()) {
+        detach();
+        return;
+    }
+
+    if (mmr_input_attach(m_context, resourcePath.constData(), "track") != 0) {
+        emitMmError(QStringLiteral("mmr_input_attach() failed for ") + QString(resourcePath));
+        setMediaStatus(QMediaPlayer::InvalidMedia);
+        detach();
+        return;
+    }
+
+    // For whatever reason, the mmrenderer sends out a MMR_STOPPED event when calling
+    // mmr_input_attach() above. Ignore it, as otherwise we'll trigger stopping right after we
+    // started.
+    m_stopEventsToIgnore++;
+
+    m_inputAttached = true;
+    setMediaStatus(QMediaPlayer::LoadedMedia);
+    m_bufferStatus = 0;
+    emit bufferStatusChanged(m_bufferStatus);
+}
+
+void MmRendererMediaPlayerControl::detach()
+{
+    if (m_context) {
+        if (m_inputAttached) {
+            mmr_input_detach(m_context);
+            m_inputAttached = false;
+        }
+        if (m_videoRendererControl)
+            m_videoRendererControl->detachDisplay();
+        if (m_videoWindowControl)
+            m_videoWindowControl->detachDisplay();
+        if (m_audioId != -1 && m_context) {
+            mmr_output_detach(m_context, m_audioId);
+            m_audioId = -1;
+        }
+    }
+
+    if (!m_tempMediaFileName.isEmpty()) {
+        QFile::remove(m_tempMediaFileName);
+        m_tempMediaFileName.clear();
+    }
+    m_loadingTimer.stop();
+}
+
+QMediaPlayer::State MmRendererMediaPlayerControl::state() const
+{
+    return m_state;
+}
+
+QMediaPlayer::MediaStatus MmRendererMediaPlayerControl::mediaStatus() const
+{
+    return m_mediaStatus;
+}
+
+qint64 MmRendererMediaPlayerControl::duration() const
+{
+    return m_metaData.duration();
+}
+
+qint64 MmRendererMediaPlayerControl::position() const
+{
+    return m_position;
+}
+
+void MmRendererMediaPlayerControl::setPosition(qint64 position)
+{
+    if (m_position != position) {
+        m_position = position;
+
+        // Don't update in stopped state, it would not have any effect. Instead, the position is
+        // updated in play().
+        if (m_state != QMediaPlayer::StoppedState)
+            setPositionInternal(m_position);
+
+        emit positionChanged(m_position);
+    }
+}
+
+int MmRendererMediaPlayerControl::volume() const
+{
+    return m_volume;
+}
+
+void MmRendererMediaPlayerControl::setVolumeInternal(int newVolume)
+{
+    if (!m_context)
+        return;
+
+    newVolume = qBound(0, newVolume, 100);
+    if (m_audioId != -1) {
+        strm_dict_t * dict = strm_dict_new();
+        dict = strm_dict_set(dict, "volume", QString::number(newVolume).toLatin1());
+        if (mmr_output_parameters(m_context, m_audioId, dict) != 0)
+            emitMmError("mmr_output_parameters: Setting volume failed");
+    }
+}
+
+void MmRendererMediaPlayerControl::setPlaybackRateInternal(qreal rate)
+{
+    if (!m_context)
+        return;
+
+    const int mmRate = rate * 1000;
+    if (mmr_speed_set(m_context, mmRate) != 0)
+        emitMmError("mmr_speed_set failed");
+}
+
+void MmRendererMediaPlayerControl::setPositionInternal(qint64 position)
+{
+    if (!m_context)
+        return;
+
+    if (m_metaData.isSeekable()) {
+        if (mmr_seek(m_context, QString::number(position).toLatin1()) != 0)
+            emitMmError("Seeking failed");
+    }
+}
+
+void MmRendererMediaPlayerControl::setMediaStatus(QMediaPlayer::MediaStatus status)
+{
+    if (m_mediaStatus != status) {
+        m_mediaStatus = status;
+        emit mediaStatusChanged(m_mediaStatus);
+    }
+}
+
+void MmRendererMediaPlayerControl::setState(QMediaPlayer::State state)
+{
+    if (m_state != state) {
+        if (m_videoRendererControl) {
+            if (state == QMediaPlayer::PausedState)
+                m_videoRendererControl->pause();
+            else if ((state == QMediaPlayer::PlayingState)
+                     && (m_state == QMediaPlayer::PausedState)) {
+                m_videoRendererControl->resume();
+            }
+        }
+
+        m_state = state;
+        emit stateChanged(m_state);
+    }
+}
+
+void MmRendererMediaPlayerControl::stopInternal(StopCommand stopCommand)
+{
+    if (m_state != QMediaPlayer::StoppedState) {
+
+        if (stopCommand == StopMmRenderer) {
+            ++m_stopEventsToIgnore;
+            mmr_stop(m_context);
+        }
+
+        setState(QMediaPlayer::StoppedState);
+    }
+
+    if (m_position != 0) {
+        m_position = 0;
+        emit positionChanged(0);
+    }
+}
+
+void MmRendererMediaPlayerControl::setVolume(int volume)
+{
+    const int newVolume = qBound(0, volume, 100);
+    if (m_volume != newVolume) {
+        m_volume = newVolume;
+        if (!m_muted)
+            setVolumeInternal(m_volume);
+        emit volumeChanged(m_volume);
+    }
+}
+
+bool MmRendererMediaPlayerControl::isMuted() const
+{
+    return m_muted;
+}
+
+void MmRendererMediaPlayerControl::setMuted(bool muted)
+{
+    if (m_muted != muted) {
+        m_muted = muted;
+        setVolumeInternal(muted ? 0 : m_volume);
+        emit mutedChanged(muted);
+    }
+}
+
+int MmRendererMediaPlayerControl::bufferStatus() const
+{
+    return m_bufferStatus;
+}
+
+bool MmRendererMediaPlayerControl::isAudioAvailable() const
+{
+    return m_metaData.hasAudio();
+}
+
+bool MmRendererMediaPlayerControl::isVideoAvailable() const
+{
+    return m_metaData.hasVideo();
+}
+
+bool MmRendererMediaPlayerControl::isSeekable() const
+{
+    return m_metaData.isSeekable();
+}
+
+QMediaTimeRange MmRendererMediaPlayerControl::availablePlaybackRanges() const
+{
+    // We can't get this information from the mmrenderer API yet, so pretend we can seek everywhere
+    return QMediaTimeRange(0, m_metaData.duration());
+}
+
+qreal MmRendererMediaPlayerControl::playbackRate() const
+{
+    return m_rate;
+}
+
+void MmRendererMediaPlayerControl::setPlaybackRate(qreal rate)
+{
+    if (m_rate != rate) {
+        m_rate = rate;
+        setPlaybackRateInternal(m_rate);
+        emit playbackRateChanged(m_rate);
+    }
+}
+
+QMediaContent MmRendererMediaPlayerControl::media() const
+{
+    return m_media;
+}
+
+const QIODevice *MmRendererMediaPlayerControl::mediaStream() const
+{
+    // Always 0, we don't support QIODevice streams
+    return 0;
+}
+
+void MmRendererMediaPlayerControl::setMedia(const QMediaContent &media, QIODevice *stream)
+{
+    Q_UNUSED(stream); // not supported
+
+    stop();
+    detach();
+
+    m_media = media;
+    emit mediaChanged(m_media);
+
+    // Slight hack: With MediaPlayer QtQuick elements that have autoPlay set to true, playback
+    // would start before the QtQuick canvas is propagated to all elements, and therefore our
+    // video output would not work. Therefore, delay actually playing the media a bit so that the
+    // canvas is ready.
+    // The mmrenderer doesn't allow to attach video outputs after playing has started, otherwise
+    // this would be unnecessary.
+    if (!m_media.isNull()) {
+        setMediaStatus(QMediaPlayer::LoadingMedia);
+        m_loadingTimer.start(); // singleshot timer to continueLoadMedia()
+    } else {
+        continueLoadMedia(); // still needed, as it will update the media status and clear metadata
+    }
+}
+
+void MmRendererMediaPlayerControl::continueLoadMedia()
+{
+    attach();
+    updateMetaData();
+    if (m_playAfterMediaLoaded)
+        play();
+}
+
+QString MmRendererMediaPlayerControl::contextName() const
+{
+    return m_contextName;
+}
+
+MmRendererVideoWindowControl *MmRendererMediaPlayerControl::videoWindowControl() const
+{
+    return m_videoWindowControl;
+}
+
+void MmRendererMediaPlayerControl::play()
+{
+    if (m_playAfterMediaLoaded)
+        m_playAfterMediaLoaded = false;
+
+    // No-op if we are already playing, except if we were called from continueLoadMedia(), in which
+    // case m_playAfterMediaLoaded is true (hence the 'else').
+    else if (m_state == QMediaPlayer::PlayingState)
+        return;
+
+    if (m_mediaStatus == QMediaPlayer::LoadingMedia) {
+
+        // State changes are supposed to be synchronous
+        setState(QMediaPlayer::PlayingState);
+
+        // Defer playing to later, when the timer triggers continueLoadMedia()
+        m_playAfterMediaLoaded = true;
+        return;
+    }
+
+    // Un-pause the state when it is paused
+    if (m_state == QMediaPlayer::PausedState) {
+        setPlaybackRateInternal(m_rate);
+        setState(QMediaPlayer::PlayingState);
+        return;
+    }
+
+    if (m_media.isNull() || !m_connection || !m_context || m_audioId == -1) {
+        setState(QMediaPlayer::StoppedState);
+        return;
+    }
+
+    setPositionInternal(m_position);
+    setVolumeInternal(m_volume);
+    setPlaybackRateInternal(m_rate);
+
+    if (mmr_play(m_context) != 0) {
+        setState(QMediaPlayer::StoppedState);
+        emitMmError("mmr_play() failed");
+        return;
+    }
+
+    setState( QMediaPlayer::PlayingState);
+}
+
+void MmRendererMediaPlayerControl::pause()
+{
+    if (m_state == QMediaPlayer::PlayingState) {
+        setPlaybackRateInternal(0);
+        setState(QMediaPlayer::PausedState);
+    }
+}
+
+void MmRendererMediaPlayerControl::stop()
+{
+    stopInternal(StopMmRenderer);
+}
+
+MmRendererPlayerVideoRendererControl *MmRendererMediaPlayerControl::videoRendererControl() const
+{
+    return m_videoRendererControl;
+}
+
+void MmRendererMediaPlayerControl::setVideoRendererControl(MmRendererPlayerVideoRendererControl *videoControl)
+{
+    m_videoRendererControl = videoControl;
+}
+
+void MmRendererMediaPlayerControl::setVideoWindowControl(MmRendererVideoWindowControl *videoControl)
+{
+    m_videoWindowControl = videoControl;
+}
+
+void MmRendererMediaPlayerControl::setMetaDataReaderControl(MmRendererMetaDataReaderControl *metaDataReaderControl)
+{
+    m_metaDataReaderControl = metaDataReaderControl;
+}
+
+void MmRendererMediaPlayerControl::setMmPosition(qint64 newPosition)
+{
+    if (newPosition != 0 && newPosition != m_position) {
+        m_position = newPosition;
+        emit positionChanged(m_position);
+    }
+}
+
+void MmRendererMediaPlayerControl::setMmBufferStatus(const QString &bufferStatus)
+{
+    const int slashPos = bufferStatus.indexOf('/');
+    if (slashPos != -1) {
+        const int fill = bufferStatus.left(slashPos).toInt();
+        const int capacity = bufferStatus.mid(slashPos + 1).toInt();
+        if (capacity != 0) {
+            m_bufferStatus = fill / static_cast<float>(capacity) * 100.0f;
+            emit bufferStatusChanged(m_bufferStatus);
+        }
+    }
+}
+
+void MmRendererMediaPlayerControl::updateMetaData()
+{
+    if (m_mediaStatus == QMediaPlayer::LoadedMedia)
+        m_metaData.parse(m_contextName);
+    else
+        m_metaData.clear();
+
+    if (m_videoWindowControl)
+        m_videoWindowControl->setMetaData(m_metaData);
+
+    if (m_metaDataReaderControl)
+        m_metaDataReaderControl->setMetaData(m_metaData);
+
+    emit durationChanged(m_metaData.duration());
+    emit audioAvailableChanged(m_metaData.hasAudio());
+    emit videoAvailableChanged(m_metaData.hasVideo());
+    emit availablePlaybackRangesChanged(availablePlaybackRanges());
+    emit seekableChanged(m_metaData.isSeekable());
+}
+
+void MmRendererMediaPlayerControl::emitMmError(const QString &msg)
+{
+    int errorCode = MMR_ERROR_NONE;
+    const QString errorMessage = mmErrorMessage(msg, m_context, &errorCode);
+    qDebug() << errorMessage;
+    emit error(errorCode, errorMessage);
+}
+
+void MmRendererMediaPlayerControl::emitPError(const QString &msg)
+{
+    const QString errorMessage = QString("%1: %2").arg(msg).arg(strerror(errno));
+    qDebug() << errorMessage;
+    emit error(errno, errorMessage);
+}
+
+QT_END_NAMESPACE