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113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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//
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// Copyright (C) 2015, Matthew Waters <matthew@centricular.com>
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// a) Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// b) Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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// THE POSSIBILITY OF SUCH DAMAGE.
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#include <QApplication>
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#include <QQmlApplicationEngine>
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#include <QQuickWindow>
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#include <QQuickItem>
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#include <QRunnable>
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#include <gst/gst.h>
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class SetPlaying : public QRunnable
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{
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public:
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SetPlaying(GstElement *);
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~SetPlaying();
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void run ();
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private:
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GstElement * pipeline_;
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};
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SetPlaying::SetPlaying (GstElement * pipeline)
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{
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this->pipeline_ = pipeline ? static_cast<GstElement *> (gst_object_ref (pipeline)) : NULL;
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}
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SetPlaying::~SetPlaying ()
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{
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if (this->pipeline_)
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gst_object_unref (this->pipeline_);
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}
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void
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SetPlaying::run ()
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{
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if (this->pipeline_)
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gst_element_set_state (this->pipeline_, GST_STATE_PLAYING);
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}
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int main(int argc, char *argv[])
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{
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int ret;
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gst_init (&argc, &argv);
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{
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QGuiApplication app(argc, argv);
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GstElement *pipeline = gst_pipeline_new (NULL);
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GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
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GstElement *capsfilter = gst_element_factory_make ("capsfilter", NULL);
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GstCaps *caps = gst_caps_from_string ("video/x-raw,format=YV12");
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g_object_set (capsfilter, "caps", caps, NULL);
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gst_caps_unref (caps);
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GstElement *glupload = gst_element_factory_make ("glupload", NULL);
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/* the plugin must be loaded before loading the qml file to register the
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* GstGLVideoItem qml item */
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GstElement *sink = gst_element_factory_make ("qmlglsink", NULL);
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g_assert (src && glupload && sink);
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gst_bin_add_many (GST_BIN (pipeline), src, capsfilter, glupload, sink, NULL);
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gst_element_link_many (src, capsfilter, glupload, sink, NULL);
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QQmlApplicationEngine engine;
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engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
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QQuickItem *videoItem;
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QQuickWindow *rootObject;
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/* find and set the videoItem on the sink */
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rootObject = static_cast<QQuickWindow *> (engine.rootObjects().first());
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videoItem = rootObject->findChild<QQuickItem *> ("videoItem");
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g_assert (videoItem);
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g_object_set(sink, "widget", videoItem, NULL);
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rootObject->scheduleRenderJob (new SetPlaying (pipeline),
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QQuickWindow::BeforeSynchronizingStage);
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ret = app.exec();
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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}
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gst_deinit ();
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return ret;
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}
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