1 /* Copyright (C) <2018> Philippe Normand <philn@igalia.com>
2 * Copyright (C) <2018> Žan Doberšek <zdobersek@igalia.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
21 * SECTION:element-wpesrc
24 * The wpesrc element is used to produce a video texture representing a web page
25 * rendered off-screen by WPE.
27 * Starting from WPEBackend-FDO 1.6.x, software rendering support is available. This
28 * features allows wpesrc to be used on machines without GPU, and/or for testing
29 * purpose. To enable it, set the `LIBGL_ALWAYS_SOFTWARE=true` environment
30 * variable and make sure `video/x-raw, format=BGRA` caps are negotiated by the
33 * ## Example launch lines
36 * gst-launch-1.0 -v wpesrc location="https://gstreamer.freedesktop.org" ! queue ! glimagesink
38 * Shows the GStreamer website homepage
41 * LIBGL_ALWAYS_SOFTWARE=true gst-launch-1.0 -v wpesrc num-buffers=50 location="https://gstreamer.freedesktop.org" ! videoconvert ! pngenc ! multifilesink location=/tmp/snapshot-%05d.png
43 * Saves the first 50 video frames generated for the GStreamer website as PNG files in /tmp.
46 * gst-play-1.0 --videosink gtkglsink wpe://https://gstreamer.freedesktop.org
48 * Shows the GStreamer website homepage as played with GstPlayer in a GTK+ window.
51 * gst-launch-1.0 glvideomixer name=m sink_1::zorder=0 ! glimagesink wpesrc location="file:///home/phil/Downloads/plunk/index.html" draw-background=0 ! m. videotestsrc ! queue ! glupload ! glcolorconvert ! m.
53 * Composite WPE with a video stream in a single OpenGL scene.
56 * gst-launch-1.0 glvideomixer name=m sink_1::zorder=0 sink_0::height=818 sink_0::width=1920 ! gtkglsink wpesrc location="file:///home/phil/Downloads/plunk/index.html" draw-background=0 ! m. uridecodebin uri="http://192.168.1.44/Sintel.2010.1080p.mkv" name=d d. ! queue ! glupload ! glcolorconvert ! m.
58 * Composite WPE with a video stream, sink_0 pad properties have to match the video dimensions.
66 #include "gstwpevideosrc.h"
67 #include "gstwpesrcbin.h"
69 GST_DEBUG_CATEGORY (wpe_video_src_debug);
70 GST_DEBUG_CATEGORY (wpe_view_debug);
71 GST_DEBUG_CATEGORY (wpe_src_debug);
74 plugin_init (GstPlugin * plugin)
76 GST_DEBUG_CATEGORY_INIT (wpe_video_src_debug, "wpevideosrc", 0, "WPE Video Source");
77 GST_DEBUG_CATEGORY_INIT (wpe_view_debug, "wpeview", 0, "WPE Threaded View");
78 GST_DEBUG_CATEGORY_INIT (wpe_src_debug, "wpesrc", 0, "WPE Source");
80 gboolean result = gst_element_register (plugin, "wpevideosrc", GST_RANK_NONE,
81 GST_TYPE_WPE_VIDEO_SRC);
82 result &= gst_element_register(plugin, "wpesrc", GST_RANK_NONE, GST_TYPE_WPE_SRC);
86 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR,
87 wpe, "WPE src plugin", plugin_init, VERSION, GST_LICENSE, PACKAGE,