1 /* GStreamer Editing Services
2 * Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
3 * 2010 Nokia Corporation
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
22 * SECTION:gesvideotestsource
23 * @title: GESVideoTestSource
24 * @short_description: produce solid colors and patterns
30 #include "ges-internal.h"
31 #include "ges-track-element.h"
32 #include "ges-video-test-source.h"
34 #define DEFAULT_VPATTERN GES_VIDEO_TEST_PATTERN_SMPTE
36 struct _GESVideoTestSourcePrivate
38 GESVideoTestPattern pattern;
41 G_DEFINE_TYPE_WITH_PRIVATE (GESVideoTestSource, ges_video_test_source,
42 GES_TYPE_VIDEO_SOURCE);
44 static GstElement *ges_video_test_source_create_source (GESTrackElement * self);
47 ges_video_test_source_class_init (GESVideoTestSourceClass * klass)
49 GESVideoSourceClass *source_class = GES_VIDEO_SOURCE_CLASS (klass);
51 source_class->create_source = ges_video_test_source_create_source;
55 ges_video_test_source_init (GESVideoTestSource * self)
57 self->priv = ges_video_test_source_get_instance_private (self);
59 self->priv->pattern = DEFAULT_VPATTERN;
63 ges_video_test_source_create_source (GESTrackElement * self)
67 GstElement *testsrc, *capsfilter, *res;
68 const gchar *props[] = { "pattern", NULL };
71 testsrc = gst_element_factory_make ("videotestsrc", NULL);
72 capsfilter = gst_element_factory_make ("capsfilter", NULL);
73 pattern = ((GESVideoTestSource *) self)->priv->pattern;
75 g_object_set (testsrc, "pattern", pattern, NULL);
77 elements = g_ptr_array_new ();
78 g_ptr_array_add (elements, capsfilter);
79 caps = gst_caps_new_empty_simple ("video/x-raw");
80 g_object_set (capsfilter, "caps", caps, NULL);
81 gst_caps_unref (caps);
83 ges_track_element_add_children_props (self, testsrc, NULL, NULL, props);
85 res = ges_source_create_topbin ("videotestsrc", testsrc, elements);
86 g_ptr_array_free (elements, TRUE);
92 * ges_video_test_source_set_pattern:
93 * @self: a #GESVideoTestSource
94 * @pattern: a #GESVideoTestPattern
96 * Sets the source to use the given @pattern.
99 ges_video_test_source_set_pattern (GESVideoTestSource
100 * self, GESVideoTestPattern pattern)
102 GstElement *element =
103 ges_track_element_get_element (GES_TRACK_ELEMENT (self));
105 self->priv->pattern = pattern;
110 g_value_init (&val, GES_VIDEO_TEST_PATTERN_TYPE);
111 g_value_set_enum (&val, pattern);
112 ges_track_element_set_child_property (GES_TRACK_ELEMENT (self), "pattern",
118 * ges_video_test_source_get_pattern:
119 * @source: a #GESVideoTestPattern
121 * Get the video pattern used by the @source.
123 * Returns: The video pattern used by the @source.
126 ges_video_test_source_get_pattern (GESVideoTestSource * source)
130 ges_track_element_get_child_property (GES_TRACK_ELEMENT (source), "pattern",
132 return g_value_get_enum (&val);
136 * ges_video_test_source_new:
138 * Creates a new #GESVideoTestSource.
140 * Returns: (transfer floating) (nullable): The newly created
141 * #GESVideoTestSource, or %NULL if there was an error.
144 ges_video_test_source_new (void)
146 return g_object_new (GES_TYPE_VIDEO_TEST_SOURCE, "track-type",
147 GES_TRACK_TYPE_VIDEO, NULL);