mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 01:30:38 +00:00
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/* 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
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:ges-video-test-source
|
|
* @short_description: produce solid colors and patterns
|
|
*/
|
|
|
|
#include "ges-internal.h"
|
|
#include "ges-track-element.h"
|
|
#include "ges-video-test-source.h"
|
|
|
|
G_DEFINE_TYPE (GESVideoTestSource, ges_video_test_source, GES_TYPE_SOURCE);
|
|
|
|
#define DEFAULT_VPATTERN GES_VIDEO_TEST_PATTERN_SMPTE
|
|
|
|
struct _GESVideoTestSourcePrivate
|
|
{
|
|
GESVideoTestPattern pattern;
|
|
};
|
|
|
|
static GstElement *ges_video_test_source_create_element (GESTrackElement *
|
|
self);
|
|
|
|
static void
|
|
ges_video_test_source_class_init (GESVideoTestSourceClass * klass)
|
|
{
|
|
GESTrackElementClass *track_element_class = GES_TRACK_ELEMENT_CLASS (klass);
|
|
|
|
g_type_class_add_private (klass, sizeof (GESVideoTestSourcePrivate));
|
|
|
|
track_element_class->create_element = ges_video_test_source_create_element;
|
|
}
|
|
|
|
static void
|
|
ges_video_test_source_init (GESVideoTestSource * self)
|
|
{
|
|
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
|
|
GES_TYPE_VIDEO_TEST_SOURCE, GESVideoTestSourcePrivate);
|
|
|
|
self->priv->pattern = DEFAULT_VPATTERN;
|
|
}
|
|
|
|
static GstElement *
|
|
ges_video_test_source_create_element (GESTrackElement * self)
|
|
{
|
|
gint pattern;
|
|
GstElement *ret;
|
|
gchar *bin_desc;
|
|
|
|
|
|
pattern = ((GESVideoTestSource *) self)->priv->pattern;
|
|
bin_desc =
|
|
g_strdup_printf
|
|
("videotestsrc pattern=%i name=testsrc ! capsfilter caps=video/x-raw",
|
|
pattern);
|
|
ret = gst_parse_bin_from_description (bin_desc, TRUE, NULL);
|
|
g_free (bin_desc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ges_video_test_source_set_pattern:
|
|
* @self: a #GESVideoTestSource
|
|
* @pattern: a #GESVideoTestPattern
|
|
*
|
|
* Sets the source to use the given @pattern.
|
|
*/
|
|
void
|
|
ges_video_test_source_set_pattern (GESVideoTestSource
|
|
* self, GESVideoTestPattern pattern)
|
|
{
|
|
GstElement *element =
|
|
ges_track_element_get_element (GES_TRACK_ELEMENT (self));
|
|
|
|
self->priv->pattern = pattern;
|
|
|
|
if (element)
|
|
gst_child_proxy_set (GST_CHILD_PROXY (element), "testsrc::pattern",
|
|
(gint) pattern, NULL);
|
|
}
|
|
|
|
/**
|
|
* ges_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_video_test_source_get_pattern (GESVideoTestSource * source)
|
|
{
|
|
return source->priv->pattern;
|
|
}
|
|
|
|
/**
|
|
* ges_video_test_source_new:
|
|
*
|
|
* Creates a new #GESVideoTestSource.
|
|
*
|
|
* Returns: The newly created #GESVideoTestSource, or %NULL if there was an
|
|
* error.
|
|
*/
|
|
GESVideoTestSource *
|
|
ges_video_test_source_new (void)
|
|
{
|
|
return g_object_new (GES_TYPE_VIDEO_TEST_SOURCE, "track-type",
|
|
GES_TRACK_TYPE_VIDEO, NULL);
|
|
}
|