/* GStreamer monoscope visualisation element

 * Copyright (C) <2002> Richard Boulton <richard@tartarus.org>

 * Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>

 * Copyright (C) <2006> Wim Taymans <wim at fluendo dot 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., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifndef __GST_MONOSCOPE__

#define __GST_MONOSCOPE__

G_BEGIN_DECLS

#include <gst/gst.h>

#include <gst/base/gstadapter.h>

#define GST_TYPE_MONOSCOPE            (gst_monoscope_get_type())

#define GST_MONOSCOPE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MONOSCOPE,GstMonoscope))

#define GST_MONOSCOPE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MONOSCOPE,GstMonoscopeClass))

#define GST_IS_MONOSCOPE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MONOSCOPE))

#define GST_IS_MONOSCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MONOSCOPE))

typedef struct _GstMonoscope GstMonoscope;

typedef struct _GstMonoscopeClass GstMonoscopeClass;

struct _GstMonoscope

{

  GstElement element;

  /* pads */

  GstPad      *sinkpad;

  GstPad      *srcpad;

  GstAdapter  *adapter;

  guint64      next_ts;             /* expected timestamp of the next frame */

  guint64      frame_duration;      /* video frame duration    */

  gint         rate;                /* sample rate             */

  guint        bps;                 /* bytes per sample        */

  guint        spf;                 /* samples per video frame */

  GstBufferPool *pool;

  GstSegment   segment;

  gboolean     segment_pending;

  /* QoS stuff *//* with LOCK */

  gdouble      proportion;

  GstClockTime earliest_time;

  /* video state */

  gint         fps_num;

  gint         fps_denom;

  gint         width;

  gint         height;

  guint        outsize;

  /* visualisation state */

  struct monoscope_state *visstate;

};

struct _GstMonoscopeClass

{

  GstElementClass parent_class;

};

GType gst_monoscope_get_type (void);

G_END_DECLS

#endif /* __GST_MONOSCOPE__ */