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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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
** 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 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.
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "camerabinrecorder.h"
#include "camerabincontrol.h"
#include "camerabinresourcepolicy.h"
#include "camerabinaudioencoder.h"
#include "camerabinvideoencoder.h"
#include "camerabincontainer.h"
#include <QtCore/QDebug>
#include <gst/pbutils/encoding-profile.h>
QT_BEGIN_NAMESPACE
CameraBinRecorder::CameraBinRecorder(CameraBinSession *session)
:QMediaRecorderControl(session),
m_session(session),
m_state(QMediaRecorder::StoppedState),
m_status(QMediaRecorder::UnloadedStatus)
{
connect(m_session, SIGNAL(stateChanged(QCamera::State)), SLOT(updateStatus()));
connect(m_session, SIGNAL(pendingStateChanged(QCamera::State)), SLOT(updateStatus()));
connect(m_session, SIGNAL(busyChanged(bool)), SLOT(updateStatus()));
connect(m_session, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged(qint64)));
connect(m_session, SIGNAL(mutedChanged(bool)), this, SIGNAL(mutedChanged(bool)));
connect(m_session->cameraControl()->resourcePolicy(), SIGNAL(canCaptureChanged()),
this, SLOT(updateStatus()));
}
CameraBinRecorder::~CameraBinRecorder()
{
}
QUrl CameraBinRecorder::outputLocation() const
{
return m_session->outputLocation();
}
bool CameraBinRecorder::setOutputLocation(const QUrl &sink)
{
m_session->setOutputLocation(sink);
return true;
}
QMediaRecorder::State CameraBinRecorder::state() const
{
return m_state;
}
QMediaRecorder::Status CameraBinRecorder::status() const
{
return m_status;
}
void CameraBinRecorder::updateStatus()
{
QCamera::State sessionState = m_session->state();
QMediaRecorder::State oldState = m_state;
QMediaRecorder::Status oldStatus = m_status;
if (sessionState == QCamera::ActiveState &&
m_session->captureMode().testFlag(QCamera::CaptureVideo)) {
if (!m_session->cameraControl()->resourcePolicy()->canCapture()) {
m_status = QMediaRecorder::UnavailableStatus;
m_state = QMediaRecorder::StoppedState;
m_session->stopVideoRecording();
} else if (m_state == QMediaRecorder::RecordingState) {
m_status = QMediaRecorder::RecordingStatus;
} else {
m_status = m_session->isBusy() ?
QMediaRecorder::FinalizingStatus :
QMediaRecorder::LoadedStatus;
}
} else {
if (m_state == QMediaRecorder::RecordingState) {
m_state = QMediaRecorder::StoppedState;
m_session->stopVideoRecording();
}
m_status = m_session->pendingState() == QCamera::ActiveState
&& m_session->captureMode().testFlag(QCamera::CaptureVideo)
? QMediaRecorder::LoadingStatus
: QMediaRecorder::UnloadedStatus;
}
if (m_state != oldState)
emit stateChanged(m_state);
if (m_status != oldStatus)
emit statusChanged(m_status);
}
qint64 CameraBinRecorder::duration() const
{
return m_session->duration();
}
void CameraBinRecorder::applySettings()
{
CameraBinContainer *containerControl = m_session->mediaContainerControl();
CameraBinAudioEncoder *audioEncoderControl = m_session->audioEncodeControl();
CameraBinVideoEncoder *videoEncoderControl = m_session->videoEncodeControl();
containerControl->resetActualContainerFormat();
audioEncoderControl->resetActualSettings();
videoEncoderControl->resetActualSettings();
//encodebin doesn't like the encoding profile with ANY caps,
//if container and codecs are not specified,
//try to find a commonly used supported combination
if (containerControl->containerFormat().isEmpty() &&
audioEncoderControl->audioSettings().codec().isEmpty() &&
videoEncoderControl->videoSettings().codec().isEmpty()) {
QList<QStringList> candidates;
candidates.append(QStringList() << "video/x-matroska" << "video/x-h264" << "audio/mpeg, mpegversion=(int)4");
candidates.append(QStringList() << "video/webm" << "video/x-vp8" << "audio/x-vorbis");
candidates.append(QStringList() << "application/ogg" << "video/x-theora" << "audio/x-vorbis");
candidates.append(QStringList() << "video/quicktime" << "video/x-h264" << "audio/mpeg, mpegversion=(int)4");
candidates.append(QStringList() << "video/quicktime" << "video/x-h264" << "audio/mpeg");
candidates.append(QStringList() << "video/x-msvideo" << "video/x-divx" << "audio/mpeg");
foreach (const QStringList &candidate, candidates) {
if (containerControl->supportedContainers().contains(candidate[0]) &&
videoEncoderControl->supportedVideoCodecs().contains(candidate[1]) &&
audioEncoderControl->supportedAudioCodecs().contains(candidate[2])) {
containerControl->setActualContainerFormat(candidate[0]);
QVideoEncoderSettings videoSettings = videoEncoderControl->videoSettings();
videoSettings.setCodec(candidate[1]);
videoEncoderControl->setActualVideoSettings(videoSettings);
QAudioEncoderSettings audioSettings = audioEncoderControl->audioSettings();
audioSettings.setCodec(candidate[2]);
audioEncoderControl->setActualAudioSettings(audioSettings);
break;
}
}
}
}
GstEncodingContainerProfile *CameraBinRecorder::videoProfile()
{
GstEncodingContainerProfile *containerProfile = m_session->mediaContainerControl()->createProfile();
if (containerProfile) {
GstEncodingProfile *audioProfile = m_session->audioEncodeControl()->createProfile();
GstEncodingProfile *videoProfile = m_session->videoEncodeControl()->createProfile();
if (audioProfile) {
if (!gst_encoding_container_profile_add_profile(containerProfile, audioProfile))
gst_encoding_profile_unref(audioProfile);
}
if (videoProfile) {
if (!gst_encoding_container_profile_add_profile(containerProfile, videoProfile))
gst_encoding_profile_unref(videoProfile);
}
}
return containerProfile;
}
void CameraBinRecorder::setState(QMediaRecorder::State state)
{
if (m_state == state)
return;
QMediaRecorder::State oldState = m_state;
QMediaRecorder::Status oldStatus = m_status;
switch (state) {
case QMediaRecorder::StoppedState:
m_state = state;
m_status = QMediaRecorder::FinalizingStatus;
m_session->stopVideoRecording();
break;
case QMediaRecorder::PausedState:
emit error(QMediaRecorder::ResourceError, tr("QMediaRecorder::pause() is not supported by camerabin2."));
break;
case QMediaRecorder::RecordingState:
if (m_session->state() != QCamera::ActiveState) {
emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
} else if (!m_session->cameraControl()->resourcePolicy()->canCapture()) {
emit error(QMediaRecorder::ResourceError, tr("Recording permissions are not available"));
} else {
m_session->recordVideo();
m_state = state;
m_status = QMediaRecorder::RecordingStatus;
emit actualLocationChanged(m_session->outputLocation());
}
}
if (m_state != oldState)
emit stateChanged(m_state);
if (m_status != oldStatus)
emit statusChanged(m_status);
}
bool CameraBinRecorder::isMuted() const
{
return m_session->isMuted();
}
qreal CameraBinRecorder::volume() const
{
return 1.0;
}
void CameraBinRecorder::setMuted(bool muted)
{
m_session->setMuted(muted);
}
void CameraBinRecorder::setVolume(qreal volume)
{
if (!qFuzzyCompare(volume, qreal(1.0)))
qWarning() << "Media service doesn't support recorder audio gain.";
}
QT_END_NAMESPACE
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