/* GStreamer

 *

 * gstv4lsrc.h: BT8x8/V4L video source element

 *

 * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>

 *

 * 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 __GST_V4LSRC_H__

#define __GST_V4LSRC_H__

#include <gstv4lelement.h>

G_BEGIN_DECLS

#define GST_TYPE_V4LSRC \

  (gst_v4lsrc_get_type())

#define GST_V4LSRC(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4LSRC,GstV4lSrc))

#define GST_V4LSRC_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4LSRC,GstV4lSrcClass))

#define GST_IS_V4LSRC(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4LSRC))

#define GST_IS_V4LSRC_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4LSRC))

typedef struct _GstV4lSrc GstV4lSrc;

typedef struct _GstV4lSrcClass GstV4lSrcClass;

enum

{

  QUEUE_STATE_ERROR = -1,

  QUEUE_STATE_READY_FOR_QUEUE,  /* the frame is ready to be queued for capture */

  QUEUE_STATE_QUEUED,           /* the frame is queued for capture */

  QUEUE_STATE_SYNCED            /* the frame is captured */

};

struct _GstV4lSrc

{

  GstV4lElement v4lelement;

  /* pads */

  GstPad *srcpad;

  /* capture/buffer info */

  struct video_mmap mmap;

  struct video_mbuf mbuf;

  guint buffer_size;

  GstClockTime timestamp_sync;

  /* num of queued frames and some GThread stuff

   * to wait if there's not enough */

  gint8 *frame_queue_state;

  GMutex *mutex_queue_state;

  GCond *cond_queue_state;

  gint num_queued;

  gint sync_frame, queue_frame;

  gboolean is_capturing;

  GstClockTimeDiff timestamp_offset;

  /* True if we want to stop */

  gboolean quit;

  gint offset;

  /* list of supported colorspaces (as integers) */

  GList *colorspaces;

  gboolean autoprobe;           /* probe features on startup ? */

  gboolean autoprobe_fps;       /* probe fps on startup ? */

  gboolean copy_mode;

  GValue *fps_list;             /* list of fps probed */

};

struct _GstV4lSrcClass

{

  GstV4lElementClass parent_class;

};

GType gst_v4lsrc_get_type (void);

G_END_DECLS

#endif /* __GST_V4LSRC_H__ */