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-rw-r--r--src/plugins/gstreamer/camerabin/camerabinsession.cpp99
1 files changed, 60 insertions, 39 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinsession.cpp b/src/plugins/gstreamer/camerabin/camerabinsession.cpp
index a835b1ce5..850f8c16c 100644
--- a/src/plugins/gstreamer/camerabin/camerabinsession.cpp
+++ b/src/plugins/gstreamer/camerabin/camerabinsession.cpp
@@ -1,40 +1,32 @@
/****************************************************************************
**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** 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.
**
-** $QT_BEGIN_LICENSE:LGPL$
+** $QT_BEGIN_LICENSE:LGPL21$
** 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
+** 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 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.
+** 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
+** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-**
** $QT_END_LICENSE$
**
****************************************************************************/
@@ -119,7 +111,7 @@
QT_BEGIN_NAMESPACE
-CameraBinSession::CameraBinSession(QObject *parent)
+CameraBinSession::CameraBinSession(GstElementFactory *sourceFactory, QObject *parent)
:QObject(parent),
m_recordingActive(false),
m_state(QCamera::UnloadedState),
@@ -133,6 +125,7 @@ CameraBinSession::CameraBinSession(QObject *parent)
m_viewfinderInterface(0),
m_videoSrc(0),
m_viewfinderElement(0),
+ m_sourceFactory(sourceFactory),
m_viewfinderHasChanged(true),
m_videoInputHasChanged(true),
m_audioSrc(0),
@@ -140,10 +133,16 @@ CameraBinSession::CameraBinSession(QObject *parent)
m_capsFilter(0),
m_fileSink(0),
m_audioEncoder(0),
+ m_videoEncoder(0),
m_muxer(0)
{
+ if (m_sourceFactory)
+ gst_object_ref(GST_OBJECT(m_sourceFactory));
+
m_camerabin = gst_element_factory_make("camerabin2", "camerabin2");
g_signal_connect(G_OBJECT(m_camerabin), "notify::idle", G_CALLBACK(updateBusyStatus), this);
+ g_signal_connect(G_OBJECT(m_camerabin), "element-added", G_CALLBACK(elementAdded), this);
+ g_signal_connect(G_OBJECT(m_camerabin), "element-removed", G_CALLBACK(elementRemoved), this);
qt_gst_object_ref_sink(m_camerabin);
m_bus = gst_element_get_bus(m_camerabin);
@@ -195,6 +194,9 @@ CameraBinSession::~CameraBinSession()
}
if (m_viewfinderElement)
gst_object_unref(GST_OBJECT(m_viewfinderElement));
+
+ if (m_sourceFactory)
+ gst_object_unref(GST_OBJECT(m_sourceFactory));
}
#ifdef HAVE_GST_PHOTOGRAPHY
@@ -345,6 +347,9 @@ void CameraBinSession::setupCaptureResolution()
} else {
g_object_set(m_camerabin, VIEWFINDER_CAPS_PROPERTY, NULL, NULL);
}
+
+ if (m_videoEncoder)
+ m_videoEncodeControl->applySettings(m_videoEncoder);
}
void CameraBinSession::setAudioCaptureCaps()
@@ -371,6 +376,9 @@ void CameraBinSession::setAudioCaptureCaps()
GstCaps *caps = gst_caps_new_full(structure, NULL);
g_object_set(G_OBJECT(m_camerabin), AUDIO_CAPTURE_CAPS_PROPERTY, caps, NULL);
gst_caps_unref(caps);
+
+ if (m_audioEncoder)
+ m_audioEncodeControl->applySettings(m_audioEncoder);
}
GstElement *CameraBinSession::buildCameraSource()
@@ -383,32 +391,17 @@ GstElement *CameraBinSession::buildCameraSource()
m_videoInputHasChanged = false;
GstElement *videoSrc = 0;
+
+ if (!videoSrc)
g_object_get(G_OBJECT(m_camerabin), CAMERA_SOURCE_PROPERTY, &videoSrc, NULL);
- // If the QT_GSTREAMER_CAMERABIN_SRC environment variable has been set use the source
- // it recommends.
- const QByteArray envCandidate = qgetenv("QT_GSTREAMER_CAMERABIN_SRC");
- if (!m_videoSrc && !envCandidate.isEmpty()) {
- m_videoSrc = gst_element_factory_make(envCandidate.constData(), "camera_source");
- }
+ if (m_sourceFactory)
+ m_videoSrc = gst_element_factory_create(m_sourceFactory, "camera_source");
// If gstreamer has set a default source use it.
if (!m_videoSrc)
m_videoSrc = videoSrc;
- // If there's no better guidance try the names of some known camera source elements.
- if (!m_videoSrc) {
- const QList<QByteArray> candidates = QList<QByteArray>()
- << "subdevsrc"
- << "wrappercamerabinsrc";
-
- foreach (const QByteArray &sourceElementName, candidates) {
- m_videoSrc = gst_element_factory_make(sourceElementName.constData(), "camera_source");
- if (m_videoSrc)
- break;
- }
- }
-
if (m_videoSrc && !m_inputDevice.isEmpty()) {
#if CAMERABIN_DEBUG
qDebug() << "set camera device" << m_inputDevice;
@@ -1309,4 +1302,32 @@ QList<QSize> CameraBinSession::supportedResolutions(QPair<int,int> rate,
return res;
}
+void CameraBinSession::elementAdded(GstBin *, GstElement *element, CameraBinSession *session)
+{
+ GstElementFactory *factory = gst_element_get_factory(element);
+
+ if (GST_IS_BIN(element)) {
+ g_signal_connect(G_OBJECT(element), "element-added", G_CALLBACK(elementAdded), session);
+ g_signal_connect(G_OBJECT(element), "element-removed", G_CALLBACK(elementRemoved), session);
+ } else if (!factory) {
+ // no-op
+ } else if (gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_AUDIO_ENCODER)) {
+ session->m_audioEncoder = element;
+
+ session->m_audioEncodeControl->applySettings(element);
+ } else if (gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_VIDEO_ENCODER)) {
+ session->m_videoEncoder = element;
+
+ session->m_videoEncodeControl->applySettings(element);
+ }
+}
+
+void CameraBinSession::elementRemoved(GstBin *, GstElement *element, CameraBinSession *session)
+{
+ if (element == session->m_audioEncoder)
+ session->m_audioEncoder = 0;
+ else if (element == session->m_videoEncoder)
+ session->m_videoEncoder = 0;
+}
+
QT_END_NAMESPACE
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