bbfccc7135
Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Change-Id: I1c6faa4f59f8eca54f01ef20941fa60161dd7872 Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
367 lines
12 KiB
C++
367 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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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 The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgstreamerrecordercontrol.h"
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#include "qgstreameraudioencode.h"
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#include "qgstreamervideoencode.h"
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#include "qgstreamermediacontainercontrol.h"
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#include <QtCore/QDebug>
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#include <QtGui/qdesktopservices.h>
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QGstreamerRecorderControl::QGstreamerRecorderControl(QGstreamerCaptureSession *session)
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:QMediaRecorderControl(session),
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m_session(session),
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m_state(QMediaRecorder::StoppedState),
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m_status(QMediaRecorder::UnloadedStatus)
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{
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connect(m_session, SIGNAL(stateChanged(QGstreamerCaptureSession::State)), SLOT(updateStatus()));
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connect(m_session, SIGNAL(error(int,QString)), SLOT(handleSessionError(int,QString)));
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connect(m_session, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged(qint64)));
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connect(m_session, SIGNAL(mutedChanged(bool)), SIGNAL(mutedChanged(bool)));
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connect(m_session, SIGNAL(volumeChanged(qreal)), SIGNAL(volumeChanged(qreal)));
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m_hasPreviewState = m_session->captureMode() != QGstreamerCaptureSession::Audio;
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}
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QGstreamerRecorderControl::~QGstreamerRecorderControl()
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{
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}
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QUrl QGstreamerRecorderControl::outputLocation() const
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{
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return m_session->outputLocation();
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}
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bool QGstreamerRecorderControl::setOutputLocation(const QUrl &sink)
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{
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m_outputLocation = sink;
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m_session->setOutputLocation(sink);
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return true;
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}
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QMediaRecorder::State QGstreamerRecorderControl::state() const
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{
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return m_state;
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}
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QMediaRecorder::Status QGstreamerRecorderControl::status() const
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{
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static QMediaRecorder::Status statusTable[3][3] = {
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//Stopped recorder state:
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{ QMediaRecorder::LoadedStatus, QMediaRecorder::FinalizingStatus, QMediaRecorder::FinalizingStatus },
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//Recording recorder state:
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{ QMediaRecorder::StartingStatus, QMediaRecorder::RecordingStatus, QMediaRecorder::PausedStatus },
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//Paused recorder state:
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{ QMediaRecorder::StartingStatus, QMediaRecorder::RecordingStatus, QMediaRecorder::PausedStatus }
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};
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QMediaRecorder::State sessionState = QMediaRecorder::StoppedState;
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switch ( m_session->state() ) {
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case QGstreamerCaptureSession::RecordingState:
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sessionState = QMediaRecorder::RecordingState;
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break;
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case QGstreamerCaptureSession::PausedState:
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sessionState = QMediaRecorder::PausedState;
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break;
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case QGstreamerCaptureSession::PreviewState:
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case QGstreamerCaptureSession::StoppedState:
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sessionState = QMediaRecorder::StoppedState;
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break;
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}
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return statusTable[m_state][sessionState];
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}
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void QGstreamerRecorderControl::updateStatus()
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{
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QMediaRecorder::Status newStatus = status();
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if (m_status != newStatus) {
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m_status = newStatus;
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emit statusChanged(m_status);
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}
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}
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void QGstreamerRecorderControl::handleSessionError(int code, const QString &description)
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{
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emit error(code, description);
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stop();
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}
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qint64 QGstreamerRecorderControl::duration() const
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{
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return m_session->duration();
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}
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void QGstreamerRecorderControl::setState(QMediaRecorder::State state)
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{
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switch (state) {
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case QMediaRecorder::StoppedState:
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stop();
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break;
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case QMediaRecorder::PausedState:
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pause();
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break;
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case QMediaRecorder::RecordingState:
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record();
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break;
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}
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}
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void QGstreamerRecorderControl::record()
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{
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if (m_state == QMediaRecorder::RecordingState)
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return;
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m_state = QMediaRecorder::RecordingState;
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if (m_outputLocation.isEmpty()) {
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QString container = m_session->mediaContainerControl()->containerExtension();
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if (container.isEmpty())
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container = "raw";
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m_session->setOutputLocation(QUrl(generateFileName(defaultDir(), container)));
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}
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m_session->dumpGraph("before-record");
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if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) {
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m_session->setState(QGstreamerCaptureSession::RecordingState);
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} else
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emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
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m_session->dumpGraph("after-record");
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emit stateChanged(m_state);
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updateStatus();
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emit actualLocationChanged(m_session->outputLocation());
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}
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void QGstreamerRecorderControl::pause()
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{
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if (m_state == QMediaRecorder::PausedState)
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return;
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m_state = QMediaRecorder::PausedState;
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m_session->dumpGraph("before-pause");
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if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) {
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m_session->setState(QGstreamerCaptureSession::PausedState);
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} else
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emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
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emit stateChanged(m_state);
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updateStatus();
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}
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void QGstreamerRecorderControl::stop()
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{
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if (m_state == QMediaRecorder::StoppedState)
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return;
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m_state = QMediaRecorder::StoppedState;
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if (!m_hasPreviewState) {
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m_session->setState(QGstreamerCaptureSession::StoppedState);
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} else {
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if (m_session->state() != QGstreamerCaptureSession::StoppedState)
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m_session->setState(QGstreamerCaptureSession::PreviewState);
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}
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emit stateChanged(m_state);
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updateStatus();
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}
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void QGstreamerRecorderControl::applySettings()
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{
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//Check the codecs are compatible with container,
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//and choose the compatible codecs/container if omitted
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QGstreamerAudioEncode *audioEncodeControl = m_session->audioEncodeControl();
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QGstreamerVideoEncode *videoEncodeControl = m_session->videoEncodeControl();
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QGstreamerMediaContainerControl *mediaContainerControl = m_session->mediaContainerControl();
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bool needAudio = m_session->captureMode() & QGstreamerCaptureSession::Audio;
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bool needVideo = m_session->captureMode() & QGstreamerCaptureSession::Video;
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QStringList containerCandidates;
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if (mediaContainerControl->containerFormat().isEmpty())
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containerCandidates = mediaContainerControl->supportedContainers();
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else
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containerCandidates << mediaContainerControl->containerFormat();
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QStringList audioCandidates;
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if (needAudio) {
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QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings();
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if (audioSettings.codec().isEmpty())
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audioCandidates = audioEncodeControl->supportedAudioCodecs();
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else
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audioCandidates << audioSettings.codec();
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}
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QStringList videoCandidates;
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if (needVideo) {
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QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings();
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if (videoSettings.codec().isEmpty())
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videoCandidates = videoEncodeControl->supportedVideoCodecs();
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else
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videoCandidates << videoSettings.codec();
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}
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QString container;
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QString audioCodec;
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QString videoCodec;
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foreach (const QString &containerCandidate, containerCandidates) {
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QSet<QString> supportedTypes = mediaContainerControl->supportedStreamTypes(containerCandidate);
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audioCodec.clear();
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videoCodec.clear();
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if (needAudio) {
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bool found = false;
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foreach (const QString &audioCandidate, audioCandidates) {
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QSet<QString> audioTypes = audioEncodeControl->supportedStreamTypes(audioCandidate);
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if (!audioTypes.intersect(supportedTypes).isEmpty()) {
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found = true;
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audioCodec = audioCandidate;
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break;
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}
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}
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if (!found)
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continue;
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}
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if (needVideo) {
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bool found = false;
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foreach (const QString &videoCandidate, videoCandidates) {
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QSet<QString> videoTypes = videoEncodeControl->supportedStreamTypes(videoCandidate);
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if (!videoTypes.intersect(supportedTypes).isEmpty()) {
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found = true;
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videoCodec = videoCandidate;
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break;
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}
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}
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if (!found)
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continue;
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}
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container = containerCandidate;
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break;
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}
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if (container.isEmpty()) {
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emit error(QMediaRecorder::FormatError, tr("Not compatible codecs and container format."));
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} else {
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mediaContainerControl->setContainerFormat(container);
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if (needAudio) {
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QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings();
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audioSettings.setCodec(audioCodec);
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audioEncodeControl->setAudioSettings(audioSettings);
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}
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if (needVideo) {
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QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings();
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videoSettings.setCodec(videoCodec);
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videoEncodeControl->setVideoSettings(videoSettings);
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}
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}
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}
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bool QGstreamerRecorderControl::isMuted() const
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{
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return m_session->isMuted();
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}
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qreal QGstreamerRecorderControl::volume() const
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{
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return m_session->volume();
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}
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void QGstreamerRecorderControl::setMuted(bool muted)
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{
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m_session->setMuted(muted);
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}
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void QGstreamerRecorderControl::setVolume(qreal volume)
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{
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m_session->setVolume(volume);
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}
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QDir QGstreamerRecorderControl::defaultDir() const
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{
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QStringList dirCandidates;
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#if defined(Q_WS_MAEMO_6)
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dirCandidates << QLatin1String("/home/user/MyDocs");
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#endif
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if (m_session->captureMode() & QGstreamerCaptureSession::Video)
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dirCandidates << QStandardPaths::writableLocation(QStandardPaths::MoviesLocation);
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else
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dirCandidates << QStandardPaths::writableLocation(QStandardPaths::MusicLocation);
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dirCandidates << QDir::home().filePath("Documents");
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dirCandidates << QDir::home().filePath("My Documents");
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dirCandidates << QDir::homePath();
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dirCandidates << QDir::currentPath();
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dirCandidates << QDir::tempPath();
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foreach (const QString &path, dirCandidates) {
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QDir dir(path);
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if (dir.exists() && QFileInfo(path).isWritable())
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return dir;
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}
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return QDir();
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}
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QString QGstreamerRecorderControl::generateFileName(const QDir &dir, const QString &ext) const
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{
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int lastClip = 0;
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foreach(QString fileName, dir.entryList(QStringList() << QString("clip_*.%1").arg(ext))) {
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int imgNumber = fileName.midRef(5, fileName.size()-6-ext.length()).toInt();
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lastClip = qMax(lastClip, imgNumber);
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}
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QString name = QString("clip_%1.%2").arg(lastClip+1,
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4, //fieldWidth
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10,
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QLatin1Char('0')).arg(ext);
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return dir.absoluteFilePath(name);
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}
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