Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2

1 files changed, 289 insertions, 0 deletions

diff --git a/src/plugins/gstreamer/mediacapture/qgstreamerrecordercontrol.cpp b/src/plugins/gstreamer/mediacapture/qgstreamerrecordercontrol.cpp
new file mode 100644
index 000000000..24b28dead
--- /dev/null
+++ b/src/plugins/gstreamer/mediacapture/qgstreamerrecordercontrol.cpp
@@ -0,0 +1,289 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "qgstreamerrecordercontrol.h"
+#include "qgstreameraudioencode.h"
+#include "qgstreamervideoencode.h"
+#include "qgstreamermediacontainercontrol.h"
+#include <QtCore/QDebug>
+
+QGstreamerRecorderControl::QGstreamerRecorderControl(QGstreamerCaptureSession *session)
+    :QMediaRecorderControl(session), m_session(session), m_state(QMediaRecorder::StoppedState)
+{
+    connect(m_session, SIGNAL(stateChanged(QGstreamerCaptureSession::State)), SLOT(updateState()));
+    connect(m_session, SIGNAL(error(int,QString)), SIGNAL(error(int,QString)));
+    connect(m_session, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged(qint64)));
+    connect(m_session, SIGNAL(mutedChanged(bool)), SIGNAL(mutedChanged(bool)));
+    m_hasPreviewState = m_session->captureMode() != QGstreamerCaptureSession::Audio;
+}
+
+QGstreamerRecorderControl::~QGstreamerRecorderControl()
+{
+}
+
+QUrl QGstreamerRecorderControl::outputLocation() const
+{
+    return m_session->outputLocation();
+}
+
+bool QGstreamerRecorderControl::setOutputLocation(const QUrl &sink)
+{
+    m_outputLocation = sink;
+    m_session->setOutputLocation(sink);
+    return true;
+}
+
+
+QMediaRecorder::State QGstreamerRecorderControl::state() const
+{
+    switch ( m_session->state() ) {
+        case QGstreamerCaptureSession::RecordingState:
+            return QMediaRecorder::RecordingState;
+        case QGstreamerCaptureSession::PausedState:
+            return QMediaRecorder::PausedState;
+        case QGstreamerCaptureSession::PreviewState:
+        case QGstreamerCaptureSession::StoppedState:
+            return QMediaRecorder::StoppedState;
+    }
+
+    return QMediaRecorder::StoppedState;
+
+}
+
+void QGstreamerRecorderControl::updateState()
+{
+    QMediaRecorder::State newState = state();
+    if (m_state != newState) {
+        m_state = newState;
+        emit stateChanged(m_state);
+    }
+}
+
+qint64 QGstreamerRecorderControl::duration() const
+{
+    return m_session->duration();
+}
+
+void QGstreamerRecorderControl::record()
+{
+    if (m_outputLocation.isEmpty()) {
+        QString container = m_session->mediaContainerControl()->containerExtension();
+        if (container.isEmpty())
+            container = "raw";
+
+        m_session->setOutputLocation(QUrl(generateFileName(defaultDir(), container)));
+    }
+
+    m_session->dumpGraph("before-record");
+    if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) {
+        m_session->setState(QGstreamerCaptureSession::RecordingState);
+    } else
+        emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
+
+    m_session->dumpGraph("after-record");
+}
+
+void QGstreamerRecorderControl::pause()
+{
+    m_session->dumpGraph("before-pause");
+    if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) {
+        m_session->setState(QGstreamerCaptureSession::PausedState);
+    } else
+        emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
+}
+
+void QGstreamerRecorderControl::stop()
+{
+    if (!m_hasPreviewState) {
+        m_session->setState(QGstreamerCaptureSession::StoppedState);
+    } else {
+        if (m_session->state() != QGstreamerCaptureSession::StoppedState)
+            m_session->setState(QGstreamerCaptureSession::PreviewState);
+    }
+}
+
+void QGstreamerRecorderControl::applySettings()
+{
+    //Check the codecs are compatible with container,
+    //and choose the compatible codecs/container if omitted
+    QGstreamerAudioEncode *audioEncodeControl = m_session->audioEncodeControl();
+    QGstreamerVideoEncode *videoEncodeControl = m_session->videoEncodeControl();
+    QGstreamerMediaContainerControl *mediaContainerControl = m_session->mediaContainerControl();
+
+    bool needAudio = m_session->captureMode() & QGstreamerCaptureSession::Audio;
+    bool needVideo = m_session->captureMode() & QGstreamerCaptureSession::Video;
+
+    QStringList containerCandidates;
+    if (mediaContainerControl->containerMimeType().isEmpty())
+        containerCandidates = mediaContainerControl->supportedContainers();
+    else
+        containerCandidates << mediaContainerControl->containerMimeType();
+
+
+    QStringList audioCandidates;
+    if (needAudio) {
+        QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings();
+        if (audioSettings.codec().isEmpty())
+            audioCandidates = audioEncodeControl->supportedAudioCodecs();
+        else
+            audioCandidates << audioSettings.codec();
+    }
+
+    QStringList videoCandidates;
+    if (needVideo) {
+        QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings();
+        if (videoSettings.codec().isEmpty())
+            videoCandidates = videoEncodeControl->supportedVideoCodecs();
+        else
+            videoCandidates << videoSettings.codec();
+    }
+
+    QString container;
+    QString audioCodec;
+    QString videoCodec;
+
+    foreach (const QString &containerCandidate, containerCandidates) {
+        QSet<QString> supportedTypes = mediaContainerControl->supportedStreamTypes(containerCandidate);
+
+        audioCodec.clear();
+        videoCodec.clear();
+
+        if (needAudio) {
+            bool found = false;
+            foreach (const QString &audioCandidate, audioCandidates) {
+                QSet<QString> audioTypes = audioEncodeControl->supportedStreamTypes(audioCandidate);
+                if (!audioTypes.intersect(supportedTypes).isEmpty()) {
+                    found = true;
+                    audioCodec = audioCandidate;
+                    break;
+                }
+            }
+            if (!found)
+                continue;
+        }
+
+        if (needVideo) {
+            bool found = false;
+            foreach (const QString &videoCandidate, videoCandidates) {
+                QSet<QString> videoTypes = videoEncodeControl->supportedStreamTypes(videoCandidate);
+                if (!videoTypes.intersect(supportedTypes).isEmpty()) {
+                    found = true;
+                    videoCodec = videoCandidate;
+                    break;
+                }
+            }
+            if (!found)
+                continue;
+        }
+
+        container = containerCandidate;
+        break;
+    }
+
+    if (container.isEmpty()) {
+        emit error(QMediaRecorder::FormatError, tr("Not compatible codecs and container format."));
+    } else {
+        mediaContainerControl->setContainerMimeType(container);
+
+        if (needAudio) {
+            QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings();
+            audioSettings.setCodec(audioCodec);
+            audioEncodeControl->setAudioSettings(audioSettings);
+        }
+
+        if (needVideo) {
+            QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings();
+            videoSettings.setCodec(videoCodec);
+            videoEncodeControl->setVideoSettings(videoSettings);
+        }
+    }
+}
+
+
+bool QGstreamerRecorderControl::isMuted() const
+{
+    return m_session->isMuted();
+}
+
+void QGstreamerRecorderControl::setMuted(bool muted)
+{
+    m_session->setMuted(muted);
+}
+
+QDir QGstreamerRecorderControl::defaultDir() const
+{
+    QStringList dirCandidates;
+
+#if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
+    dirCandidates << QLatin1String("/home/user/MyDocs");
+#endif
+
+    dirCandidates << QDir::home().filePath("Documents");
+    dirCandidates << QDir::home().filePath("My Documents");
+    dirCandidates << QDir::homePath();
+    dirCandidates << QDir::currentPath();
+    dirCandidates << QDir::tempPath();
+
+    foreach (const QString &path, dirCandidates) {
+        QDir dir(path);
+        if (dir.exists() && QFileInfo(path).isWritable())
+            return dir;
+    }
+
+    return QDir();
+}
+
+QString QGstreamerRecorderControl::generateFileName(const QDir &dir, const QString &ext) const
+{
+
+    int lastClip = 0;
+    foreach(QString fileName, dir.entryList(QStringList() << QString("clip_*.%1").arg(ext))) {
+        int imgNumber = fileName.mid(5, fileName.size()-6-ext.length()).toInt();
+        lastClip = qMax(lastClip, imgNumber);
+    }
+
+    QString name = QString("clip_%1.%2").arg(lastClip+1,
+                                     4, //fieldWidth
+                                     10,
+                                     QLatin1Char('0')).arg(ext);
+
+    return dir.absoluteFilePath(name);
+}