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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
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* GStreamer Video sink.
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*
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* Copyright (C) <2003> Julien Moutte <julien@moutte.net>
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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 2 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 Library 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvideosink.h"
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/* VideoSink signals and args */
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enum {
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HAVE_VIDEO_SIZE,
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LAST_SIGNAL
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};
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static GstElementClass *parent_class = NULL;
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static guint gst_videosink_signals[LAST_SIGNAL] = { 0 };
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/* Private methods */
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static void
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gst_videosink_set_clock (GstElement *element, GstClock *clock)
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{
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GstVideoSink *videosink;
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videosink = GST_VIDEOSINK (element);
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videosink->clock = clock;
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}
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/* Initing stuff */
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static void
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gst_videosink_init (GstVideoSink *videosink)
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{
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videosink->width = 0;
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videosink->height = 0;
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videosink->clock = NULL;
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}
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static void
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gst_videosink_class_init (GstVideoSinkClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gst_videosink_signals[HAVE_VIDEO_SIZE] =
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g_signal_new ("have_video_size",
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G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstVideoSinkClass, have_video_size),
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NULL, NULL,
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gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2,
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G_TYPE_UINT, G_TYPE_UINT);
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gstelement_class->set_clock = gst_videosink_set_clock;
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}
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/* Public methods */
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/**
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* gst_video_sink_got_video_size:
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* @videosink: a #GstVideoSink which received video geometry.
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* @width: a width as a #gint.
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* @height: a height as a #gint.
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*
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* This will fire an have_size signal and update the internal object's
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* geometry.
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*
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* This function should be used by video sink developpers.
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*/
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void
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gst_video_sink_got_video_size (GstVideoSink *videosink, gint width, gint height)
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{
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g_return_if_fail (videosink != NULL);
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g_return_if_fail (GST_IS_VIDEOSINK (videosink));
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g_signal_emit (G_OBJECT (videosink), gst_videosink_signals[HAVE_VIDEO_SIZE],
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0, width, height);
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}
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GType
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gst_videosink_get_type (void)
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{
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static GType videosink_type = 0;
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if (!videosink_type)
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{
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static const GTypeInfo videosink_info = {
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sizeof (GstVideoSinkClass),
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NULL,
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NULL,
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(GClassInitFunc) gst_videosink_class_init,
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NULL,
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NULL,
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sizeof (GstVideoSink),
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0,
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(GInstanceInitFunc) gst_videosink_init,
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};
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videosink_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstVideoSink",
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&videosink_info, 0);
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}
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return videosink_type;
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}
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