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/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, 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 */
GstSegment segment;
/* 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;
};
G_END_DECLS
#endif /* __GST_MONOSCOPE__ */
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