gstreamer/ges/ges-track-video-test-source.c

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/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
* 2010 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
2012-11-04 00:25:20 +00:00
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:ges-track-video-test-source
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* @short_description: produce solid colors and patterns
*/
#include "ges-internal.h"
#include "ges-track-object.h"
#include "ges-track-video-test-source.h"
G_DEFINE_TYPE (GESTrackVideoTestSource, ges_track_video_test_source,
GES_TYPE_TRACK_SOURCE);
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struct _GESTrackVideoTestSourcePrivate
{
GESVideoTestPattern pattern;
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};
static GstElement *ges_track_video_test_source_create_element (GESTrackObject *
self);
static void
ges_track_video_test_source_class_init (GESTrackVideoTestSourceClass * klass)
{
GESTrackObjectClass *track_object_class = GES_TRACK_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GESTrackVideoTestSourcePrivate));
track_object_class->create_element =
ges_track_video_test_source_create_element;
}
static void
ges_track_video_test_source_init (GESTrackVideoTestSource * self)
{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
GES_TYPE_TRACK_VIDEO_TEST_SOURCE, GESTrackVideoTestSourcePrivate);
self->priv->pattern = GES_VIDEO_TEST_PATTERN_BLACK;
}
static GstElement *
ges_track_video_test_source_create_element (GESTrackObject * self)
{
GstElement *ret;
gint pattern;
pattern = ((GESTrackVideoTestSource *) self)->priv->pattern;
ret = gst_element_factory_make ("videotestsrc", NULL);
g_object_set (ret, "pattern", (gint) pattern, NULL);
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return ret;
}
/**
* ges_track_video_test_source_set_pattern:
* @self: a #GESTrackVideoTestSource
* @pattern: a #GESVideoTestPattern
*
* Sets the source to use the given @pattern.
*/
void
ges_track_video_test_source_set_pattern (GESTrackVideoTestSource
* self, GESVideoTestPattern pattern)
{
GstElement *element = ges_track_object_get_element (GES_TRACK_OBJECT (self));
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self->priv->pattern = pattern;
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if (element)
g_object_set (element, "pattern", (gint) pattern, NULL);
}
/**
* ges_track_video_test_source_get_pattern:
* @source: a #GESVideoTestPattern
*
* Get the video pattern used by the @source.
*
* Returns: The video pattern used by the @source.
*/
GESVideoTestPattern
ges_track_video_test_source_get_pattern (GESTrackVideoTestSource * source)
{
return source->priv->pattern;
}
/**
* ges_track_video_test_source_new:
*
* Creates a new #GESTrackVideoTestSource.
*
* Returns: The newly created #GESTrackVideoTestSource, or %NULL if there was an
* error.
*/
GESTrackVideoTestSource *
ges_track_video_test_source_new (void)
{
return g_object_new (GES_TYPE_TRACK_VIDEO_TEST_SOURCE, "track-type",
GES_TRACK_TYPE_VIDEO, NULL);
}