/* GStreamer

 *

 * gstv4lmjpegsink.h: hardware MJPEG video sink 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_V4LMJPEGSINK_H__

#define __GST_V4LMJPEGSINK_H__

#include <gstv4lelement.h>

#include <sys/time.h>

#include <videodev_mjpeg.h>

G_BEGIN_DECLS

#define GST_TYPE_V4LMJPEGSINK \

  (gst_v4lmjpegsink_get_type())

#define GST_V4LMJPEGSINK(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4LMJPEGSINK,GstV4lMjpegSink))

#define GST_V4LMJPEGSINK_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4LMJPEGSINK,GstV4lMjpegSinkClass))

#define GST_IS_V4LMJPEGSINK(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4LMJPEGSINK))

#define GST_IS_V4LMJPEGSINK_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4LMJPEGSINK))

typedef struct _GstV4lMjpegSink GstV4lMjpegSink;

typedef struct _GstV4lMjpegSinkClass GstV4lMjpegSinkClass;

struct _GstV4lMjpegSink {

  GstV4lElement v4lelement;

  /* the sink pas */

  GstPad *sinkpad;

  /* frame properties for common players */

  gint frames_displayed;

  guint64 frame_time;

  /* system clock object */

  GstClock *clock;

  /* buffer/capture info */

  struct mjpeg_sync bsync;

  struct mjpeg_requestbuffers breq;

  /* thread to keep track of synced frames */

  gint8 *isqueued_queued_frames; /* 1 = queued, 0 = unqueued, -1 = error */

  GThread *thread_queued_frames;

  GMutex *mutex_queued_frames;

  GCond **cond_queued_frames;

  gint current_frame;

  /* width/height/norm of the jpeg stream */

  gint width;

  gint height;

  gint norm;

  /* cache values */

  gint x_offset;

  gint y_offset;

  gint numbufs;

  gint bufsize; /* in KB */

};

struct _GstV4lMjpegSinkClass {

  GstV4lElementClass parent_class;

  /* signals */

  void (*frame_displayed) (GstElement *element);

};

GType gst_v4lmjpegsink_get_type(void);

G_END_DECLS

#endif /* __GST_SDLVIDEOSINK_H__ */