Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Q
qtgstreamerextras
Project
Project
Details
Activity
Releases
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Packages
Packages
Container Registry
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Val Doroshchuk
qtgstreamerextras
Commits
bbb655bf
Commit
bbb655bf
authored
Dec 17, 2018
by
Val Doroshchuk
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
tmp example
parent
794c0455
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
204 additions
and
0 deletions
+204
-0
examples/streamer/streamer.cpp
examples/streamer/streamer.cpp
+101
-0
examples/streamer/streamer.h
examples/streamer/streamer.h
+103
-0
No files found.
examples/streamer/streamer.cpp
0 → 100644
View file @
bbb655bf
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "streamer.h"
#include <QQuickItemGrabResult>
Streamer
::
Streamer
(
QObject
*
parent
)
:
QGstreamerPipeline
(
parent
)
{
connect
(
this
,
&
QGstreamerPipeline
::
pipelineChanged
,
this
,
&
Streamer
::
onPipelineChanged
);
}
QObject
*
Streamer
::
item
()
const
{
return
m_item
;
}
void
Streamer
::
setItem
(
QObject
*
src
)
{
if
(
src
==
m_item
)
return
;
m_item
=
qobject_cast
<
QQuickItem
*>
(
src
);
emit
itemChanged
();
}
void
Streamer
::
onPipelineChanged
()
{
GstElement
*
pl
=
pipeline
();
if
(
!
pl
)
return
;
auto
appsrc
=
gst_bin_get_by_name
(
GST_BIN
(
pl
),
"source"
);
if
(
!
appsrc
)
return
;
m_appsrc
.
reset
(
new
AppSrc
(
this
,
appsrc
));
}
QVideoFrame
AppSrc
::
readFrame
()
const
{
if
(
!
m_frame
.
isValid
()
&&
m_streamer
->
item
())
{
auto
result
=
qobject_cast
<
QQuickItem
*>
(
m_streamer
->
item
())
->
grabToImage
();
connect
(
result
.
data
(),
&
QQuickItemGrabResult
::
ready
,
result
.
data
(),
[
this
,
result
](){
m_frame
=
result
->
image
();
});
}
auto
frame
=
m_frame
;
m_frame
=
QVideoFrame
();
return
frame
;
}
examples/streamer/streamer.h
0 → 100644
View file @
bbb655bf
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef STREAMER_H
#define STREAMER_H
#include <QGstreamerPipeline>
#include <QGstreamerAppSrc>
#include <QScopedPointer>
#include <QPointer>
#include <QQuickWindow>
#include <QQuickItem>
class
Streamer
;
class
AppSrc
:
public
QGstreamerAppSrc
{
Q_OBJECT
public:
AppSrc
(
Streamer
*
streamer
,
GstElement
*
appsrc
,
QObject
*
parent
=
nullptr
)
:
QGstreamerAppSrc
(
appsrc
,
parent
)
,
m_streamer
(
streamer
)
{
}
protected:
QVideoFrame
readFrame
()
const
override
;
private:
Streamer
*
m_streamer
=
nullptr
;
mutable
QVideoFrame
m_frame
;
};
class
Streamer
:
public
QGstreamerPipeline
{
Q_OBJECT
Q_PROPERTY
(
QObject
*
item
READ
item
WRITE
setItem
NOTIFY
itemChanged
)
public:
Streamer
(
QObject
*
parent
=
nullptr
);
QObject
*
item
()
const
;
void
setItem
(
QObject
*
item
);
Q_SIGNALS:
void
windowChanged
();
void
itemChanged
();
private
Q_SLOTS
:
void
onPipelineChanged
();
private:
QScopedPointer
<
AppSrc
>
m_appsrc
;
QQuickItem
*
m_item
;
};
#endif
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment