mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
142 lines
4 KiB
C
142 lines
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:gesvideotestsource
|
|
* @title: GESVideoTestSource
|
|
* @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_VIDEO_SOURCE);
|
|
|
|
#define DEFAULT_VPATTERN GES_VIDEO_TEST_PATTERN_SMPTE
|
|
|
|
struct _GESVideoTestSourcePrivate
|
|
{
|
|
GESVideoTestPattern pattern;
|
|
};
|
|
|
|
static GstElement *ges_video_test_source_create_source (GESTrackElement * self);
|
|
|
|
static void
|
|
ges_video_test_source_class_init (GESVideoTestSourceClass * klass)
|
|
{
|
|
GESVideoSourceClass *source_class = GES_VIDEO_SOURCE_CLASS (klass);
|
|
|
|
g_type_class_add_private (klass, sizeof (GESVideoTestSourcePrivate));
|
|
|
|
source_class->create_source = ges_video_test_source_create_source;
|
|
}
|
|
|
|
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_source (GESTrackElement * self)
|
|
{
|
|
GstCaps *caps;
|
|
gint pattern;
|
|
GstElement *testsrc, *capsfilter;
|
|
const gchar *props[] = { "pattern", NULL };
|
|
|
|
testsrc = gst_element_factory_make ("videotestsrc", NULL);
|
|
capsfilter = gst_element_factory_make ("capsfilter", NULL);
|
|
pattern = ((GESVideoTestSource *) self)->priv->pattern;
|
|
|
|
g_object_set (testsrc, "pattern", pattern, NULL);
|
|
|
|
caps = gst_caps_new_empty_simple ("video/x-raw");
|
|
g_object_set (capsfilter, "caps", caps, NULL);
|
|
gst_caps_unref (caps);
|
|
|
|
ges_track_element_add_children_props (self, testsrc, NULL, NULL, props);
|
|
|
|
return ges_source_create_topbin ("videotestsrc", testsrc, capsfilter, NULL);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
GValue val = { 0 };
|
|
|
|
g_value_init (&val, GES_VIDEO_TEST_PATTERN_TYPE);
|
|
g_value_set_enum (&val, pattern);
|
|
ges_track_element_set_child_property (GES_TRACK_ELEMENT (self), "pattern",
|
|
&val);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
GValue val = { 0 };
|
|
|
|
ges_track_element_get_child_property (GES_TRACK_ELEMENT (source), "pattern",
|
|
&val);
|
|
return g_value_get_enum (&val);
|
|
}
|
|
|
|
/**
|
|
* ges_video_test_source_new:
|
|
*
|
|
* Creates a new #GESVideoTestSource.
|
|
*
|
|
* Returns: (transfer floating) (nullable): 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);
|
|
}
|