From 2a34e88c1e1ced28e75c487cd13402e1c9cf9fa3 Mon Sep 17 00:00:00 2001 From: Michael Goddard Date: Wed, 29 Jun 2011 13:38:46 +1000 Subject: Initial copy of QtMultimediaKit. Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2 --- .../mediacapture/qgstreamerrecordercontrol.cpp | 289 +++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100644 src/plugins/gstreamer/mediacapture/qgstreamerrecordercontrol.cpp (limited to 'src/plugins/gstreamer/mediacapture/qgstreamerrecordercontrol.cpp') 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 + +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 supportedTypes = mediaContainerControl->supportedStreamTypes(containerCandidate); + + audioCodec.clear(); + videoCodec.clear(); + + if (needAudio) { + bool found = false; + foreach (const QString &audioCandidate, audioCandidates) { + QSet 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 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); +} -- cgit v1.2.3