wrapper/gstreamer/gstxcamsrc.h

/*
 * gstxcamsrc.h - gst xcamsrc plugin
 *
 *  Copyright (c) 2015 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Author: John Ye <john.ye@intel.com>
 */

#ifndef __GST_XCAMSRC_H__
#define __GST_XCAMSRC_H__

#include <gst/gst.h>
#include <gst/base/gstpushsrc.h>
#include <linux/videodev2.h>

G_BEGIN_DECLS

/* #defines don't like whitespacey bits */
#define GST_TYPE_XCAMSRC \
  (gst_xcamsrc_get_type())
#define GST_XCAMSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_XCAMSRC,Gstxcamsrc))
#define GST_XCAMSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_XCAMSRC,GstxcamsrcClass))
#define GST_IS_XCAMSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_XCAMSRC))
#define GST_IS_XCAMSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_XCAMSRC))
#define GST_XCAMSRC_CAST(obj)   ((Gstxcamsrc *) obj)

typedef struct _Gstxcamsrc      Gstxcamsrc;
typedef struct _GstxcamsrcClass GstxcamsrcClass;

struct _Gstxcamsrc
{
    GstPushSrc pushsrc;

    GstBufferPool *pool;

    guint buf_count;

    guint _fps_n;
    guint _fps_d;

    guint width;
    guint height;
    guint pixelformat;
    enum v4l2_field field;
    guint bytes_perline;

    GstClockTime duration;
    GstClockTime ctrl_time;

    guint64 offset;

};

struct _GstxcamsrcClass
{
    GstPushSrcClass parent_class;
};

GType gst_xcamsrc_get_type (void);

G_END_DECLS

#endif /* __GST_XCAMSRC_H__ */