gstreamer/sys/v4l2/gstv4l2sink.h
2010-12-29 11:46:41 -06:00

89 lines
2.5 KiB
C

/* GStreamer
*
* Copyright (C) 2009 Texas Instruments, Inc - http://www.ti.com/
*
* Description: V4L2 sink element
* Created on: Jul 2, 2009
* Author: Rob Clark <rob@ti.com>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GSTV4L2SINK_H__
#define __GSTV4L2SINK_H__
#include <gst/video/gstvideosink.h>
#include <gstv4l2object.h>
#include <gstv4l2bufferpool.h>
GST_DEBUG_CATEGORY_EXTERN (v4l2sink_debug);
G_BEGIN_DECLS
#define GST_TYPE_V4L2SINK \
(gst_v4l2sink_get_type())
#define GST_V4L2SINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_V4L2SINK, GstV4l2Sink))
#define GST_V4L2SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_V4L2SINK, GstV4l2SinkClass))
#define GST_IS_V4L2SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_V4L2SINK))
#define GST_IS_V4L2SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_V4L2SINK))
typedef struct _GstV4l2Sink GstV4l2Sink;
typedef struct _GstV4l2SinkClass GstV4l2SinkClass;
struct _GstV4l2Sink {
GstVideoSink videosink;
/*< private >*/
GstV4l2Object * v4l2object;
GstCaps *probed_caps; /* all supported caps of underlying v4l2 device */
GstCaps *current_caps; /* the current negotiated caps */
GstV4l2BufferPool *pool;
guint32 num_buffers;
guint32 min_queued_bufs;
/*
* field to store requested overlay and crop top/left/width/height props:
* note, could maybe be combined with 'vwin' field in GstV4l2Object?
*/
struct v4l2_rect overlay, crop;
/*
* bitmask to track which overlay and crop fields user has requested by
* setting properties:
*/
guint8 overlay_fields_set, crop_fields_set;
guint8 state;
};
struct _GstV4l2SinkClass {
GstVideoSinkClass parent_class;
GList *v4l2_class_devices;
};
GType gst_v4l2sink_get_type(void);
G_END_DECLS
#endif /* __GSTV4L2SINK_H__ */