mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 07:46:38 +00:00
026f79b5bd
In set_caps, now checks if caps actually changed and succeed if they didn't change.
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2014 Collabora Ltd.
|
|
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef __GST_V4L2_TRANSFORM_H__
|
|
#define __GST_V4L2_TRANSFORM_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstbasetransform.h>
|
|
|
|
#include <gstv4l2object.h>
|
|
#include <gstv4l2bufferpool.h>
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (v4l2transform_debug);
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_V4L2_TRANSFORM \
|
|
(gst_v4l2_transform_get_type())
|
|
#define GST_V4L2_TRANSFORM(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4L2_TRANSFORM,GstV4l2Transform))
|
|
#define GST_V4L2_TRANSFORM_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4L2_TRANSFORM,GstV4l2TransformClass))
|
|
#define GST_IS_V4L2_TRANSFORM(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4L2_TRANSFORM))
|
|
#define GST_IS_V4L2_TRANSFORM_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4L2_TRANSFORM))
|
|
#define GST_V4L2_TRANSFORM_GET_CLASS(inst) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((inst),GST_TYPE_V4L2_TRANSFORM,GstV4l2TransformClass))
|
|
|
|
typedef struct _GstV4l2Transform GstV4l2Transform;
|
|
typedef struct _GstV4l2TransformClass GstV4l2TransformClass;
|
|
|
|
struct _GstV4l2Transform
|
|
{
|
|
GstBaseTransform parent;
|
|
|
|
/* < private > */
|
|
GstV4l2Object * v4l2output;
|
|
GstV4l2Object * v4l2capture;
|
|
|
|
/* pads */
|
|
GstCaps *probed_srccaps;
|
|
GstCaps *probed_sinkcaps;
|
|
|
|
/* Selected caps */
|
|
GstCaps *incaps;
|
|
GstCaps *outcaps;
|
|
};
|
|
|
|
struct _GstV4l2TransformClass
|
|
{
|
|
GstBaseTransformClass parent_class;
|
|
gchar *default_device;
|
|
};
|
|
|
|
GType gst_v4l2_transform_get_type (void);
|
|
|
|
gboolean gst_v4l2_is_transform (GstCaps * sink_caps, GstCaps * src_caps);
|
|
gboolean gst_v4l2_transform_register (GstPlugin * plugin,
|
|
const gchar *basename,
|
|
const gchar *device_path,
|
|
GstCaps * sink_caps, GstCaps * src_caps);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_V4L2_TRANSFORM_H__ */
|