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fe5236be87
This allow forcing going through the transform driver even if there isn't an conversion happening. This is usedful when the m2m driver can be used to adapt the type of memory between two drivers.
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
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* Copyright (C) 2014 Collabora Ltd.
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* Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef __GST_V4L2_TRANSFORM_H__
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#define __GST_V4L2_TRANSFORM_H__
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gstv4l2object.h>
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#include <gstv4l2bufferpool.h>
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G_BEGIN_DECLS
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#define GST_TYPE_V4L2_TRANSFORM \
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(gst_v4l2_transform_get_type())
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#define GST_V4L2_TRANSFORM(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4L2_TRANSFORM,GstV4l2Transform))
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#define GST_V4L2_TRANSFORM_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4L2_TRANSFORM,GstV4l2TransformClass))
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#define GST_IS_V4L2_TRANSFORM(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4L2_TRANSFORM))
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#define GST_IS_V4L2_TRANSFORM_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4L2_TRANSFORM))
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#define GST_V4L2_TRANSFORM_GET_CLASS(inst) \
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(G_TYPE_INSTANCE_GET_CLASS ((inst),GST_TYPE_V4L2_TRANSFORM,GstV4l2TransformClass))
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typedef struct _GstV4l2Transform GstV4l2Transform;
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typedef struct _GstV4l2TransformClass GstV4l2TransformClass;
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struct _GstV4l2Transform
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{
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GstBaseTransform parent;
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/* < private > */
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GstV4l2Object * v4l2output;
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GstV4l2Object * v4l2capture;
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/* pads */
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GstCaps *probed_srccaps;
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GstCaps *probed_sinkcaps;
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/* Selected caps */
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GstCaps *incaps;
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GstCaps *outcaps;
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gboolean disable_passthrough;
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};
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struct _GstV4l2TransformClass
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{
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GstBaseTransformClass parent_class;
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gchar *default_device;
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};
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GType gst_v4l2_transform_get_type (void);
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gboolean gst_v4l2_is_transform (GstCaps * sink_caps, GstCaps * src_caps);
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void gst_v4l2_transform_register (GstPlugin * plugin,
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const gchar *basename,
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const gchar *device_path,
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GstCaps * sink_caps, GstCaps * src_caps);
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G_END_DECLS
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#endif /* __GST_V4L2_TRANSFORM_H__ */
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