/**************************************************************************** ** ** 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 "qgstreamercaptureservice.h" #include "qgstreamercapturesession.h" #include "qgstreamerrecordercontrol.h" #include "qgstreamermediacontainercontrol.h" #include "qgstreameraudioencode.h" #include "qgstreamervideoencode.h" #include "qgstreamerimageencode.h" #include "qgstreamercameracontrol.h" #include #include "qgstreamercapturemetadatacontrol.h" #if defined(USE_GSTREAMER_CAMERA) #include "qgstreamerv4l2input.h" #endif #include "qgstreamerimagecapturecontrol.h" #include #include #include #include #include #if defined(HAVE_WIDGETS) #include #endif #include QT_BEGIN_NAMESPACE QGstreamerCaptureService::QGstreamerCaptureService(const QString &service, QObject *parent) : QMediaService(parent) , m_captureSession(0) , m_cameraControl(0) #if defined(USE_GSTREAMER_CAMERA) , m_videoInput(0) #endif , m_metaDataControl(0) , m_audioInputSelector(0) , m_videoInputDevice(0) , m_videoOutput(0) , m_videoRenderer(0) , m_videoWindow(0) #if defined(HAVE_WIDGETS) , m_videoWidgetControl(0) #endif , m_imageCaptureControl(0) , m_audioProbeControl(0) { if (service == Q_MEDIASERVICE_AUDIOSOURCE) { m_captureSession = new QGstreamerCaptureSession(QGstreamerCaptureSession::Audio, this); } #if defined(USE_GSTREAMER_CAMERA) if (service == Q_MEDIASERVICE_CAMERA) { m_captureSession = new QGstreamerCaptureSession(QGstreamerCaptureSession::AudioAndVideo, this); m_cameraControl = new QGstreamerCameraControl(m_captureSession); m_videoInput = new QGstreamerV4L2Input(this); m_captureSession->setVideoInput(m_videoInput); m_videoInputDevice = new QGstreamerVideoInputDeviceControl(this); connect(m_videoInputDevice, SIGNAL(selectedDeviceChanged(QString)), m_videoInput, SLOT(setDevice(QString))); if (m_videoInputDevice->deviceCount()) m_videoInput->setDevice(m_videoInputDevice->deviceName(m_videoInputDevice->selectedDevice())); m_videoRenderer = new QGstreamerVideoRenderer(this); m_videoWindow = new QGstreamerVideoWindow(this); #if defined(HAVE_WIDGETS) m_videoWidgetControl = new QGstreamerVideoWidgetControl(this); #endif m_imageCaptureControl = new QGstreamerImageCaptureControl(m_captureSession); } #endif m_audioInputSelector = new QGstreamerAudioInputSelector(this); connect(m_audioInputSelector, SIGNAL(activeInputChanged(QString)), m_captureSession, SLOT(setCaptureDevice(QString))); if (m_captureSession && m_audioInputSelector->availableInputs().size() > 0) m_captureSession->setCaptureDevice(m_audioInputSelector->defaultInput()); m_metaDataControl = new QGstreamerCaptureMetaDataControl(this); connect(m_metaDataControl, SIGNAL(metaDataChanged(QMap)), m_captureSession, SLOT(setMetaData(QMap))); } QGstreamerCaptureService::~QGstreamerCaptureService() { } QMediaControl *QGstreamerCaptureService::requestControl(const char *name) { if (!m_captureSession) return 0; if (qstrcmp(name,QAudioInputSelectorControl_iid) == 0) return m_audioInputSelector; if (qstrcmp(name,QVideoDeviceSelectorControl_iid) == 0) return m_videoInputDevice; if (qstrcmp(name,QMediaRecorderControl_iid) == 0) return m_captureSession->recorderControl(); if (qstrcmp(name,QAudioEncoderSettingsControl_iid) == 0) return m_captureSession->audioEncodeControl(); if (qstrcmp(name,QVideoEncoderSettingsControl_iid) == 0) return m_captureSession->videoEncodeControl(); if (qstrcmp(name,QImageEncoderControl_iid) == 0) return m_captureSession->imageEncodeControl(); if (qstrcmp(name,QMediaContainerControl_iid) == 0) return m_captureSession->mediaContainerControl(); if (qstrcmp(name,QCameraControl_iid) == 0) return m_cameraControl; if (qstrcmp(name,QMetaDataWriterControl_iid) == 0) return m_metaDataControl; if (qstrcmp(name, QCameraImageCaptureControl_iid) == 0) return m_imageCaptureControl; if (qstrcmp(name,QMediaAudioProbeControl_iid) == 0) { if (!m_audioProbeControl) { m_audioProbeControl = new QGstreamerAudioProbeControl(this); m_captureSession->addProbe(m_audioProbeControl); } m_audioProbeControl->ref.ref(); return m_audioProbeControl; } if (!m_videoOutput) { if (qstrcmp(name, QVideoRendererControl_iid) == 0) { m_videoOutput = m_videoRenderer; } else if (qstrcmp(name, QVideoWindowControl_iid) == 0) { m_videoOutput = m_videoWindow; } #if defined(HAVE_WIDGETS) else if (qstrcmp(name, QVideoWidgetControl_iid) == 0) { m_videoOutput = m_videoWidgetControl; } #endif if (m_videoOutput) { m_captureSession->setVideoPreview(m_videoOutput); return m_videoOutput; } } return 0; } void QGstreamerCaptureService::releaseControl(QMediaControl *control) { if (!control) { return; } else if (control == m_videoOutput) { m_videoOutput = 0; m_captureSession->setVideoPreview(0); } else if (control == m_audioProbeControl && !m_audioProbeControl->ref.deref()) { m_captureSession->removeProbe(m_audioProbeControl); delete m_audioProbeControl; m_audioProbeControl = 0; } } QT_END_NAMESPACE