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81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* VideoV4l2SrcImpl.cpp
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*
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* (c) 2016 Vasilis Liaskovitis -- vliaskov@gmail.com
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* (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
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* (c) 2013 Alexandre Quessy -- alexandre(@)quessy(.)net
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* (c) 2012 Jean-Sebastien Senecal
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* (c) 2004 Mathieu Guindon, Julien Keable
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* Based on code from Drone http://github.com/sofian/drone
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* Based on code from the GStreamer Tutorials http://docs.gstreamer.com/display/GstSDK/Tutorials
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "VideoV4l2SrcImpl.h"
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#include <cstring>
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#include <iostream>
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namespace mmp {
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VideoV4l2SrcImpl::VideoV4l2SrcImpl() :
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_v4l2src0(NULL)
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{
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}
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bool VideoV4l2SrcImpl::loadMovie(const QString& path) {
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VideoImpl::loadMovie(path);
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_v4l2src0 = gst_element_factory_make("v4l2src", NULL);
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if ( !_v4l2src0)
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{
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qWarning() << "Not all elements could be created." << endl;
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unloadMovie();
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return (-1);
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}
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// Build the pipeline. Note that we are NOT linking the source at this
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// point. We will do it later.
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gst_bin_add_many (GST_BIN (_pipeline),
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_v4l2src0,
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NULL);
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if (! gst_element_link_many (_v4l2src0, _queue0, NULL))
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{
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qDebug() << "Could not link v4l2src" << endl;
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unloadMovie();
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return false;
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}
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// Configure video appsink.
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GstCaps *videoCaps = gst_caps_from_string ("video/x-raw,format=RGBA,width=640,height=480");
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g_object_set (_capsfilter0, "caps", videoCaps, NULL);
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gst_caps_unref (videoCaps);
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// Retrieve meta-info.
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_width = 640;
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_height = 480;
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//_duration = ;
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_seekEnabled = false;
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setPlayState(true);
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return TRUE;
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}
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VideoV4l2SrcImpl::~VideoV4l2SrcImpl()
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{
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}
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}
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