mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 02:30:35 +00:00
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
|
/* 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__ */
|
||
|
|
|