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a65a7ec05b
Otherwise we'll break the event order and forward the SEGMENT event before sending a CAPS event.
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/* GStreamer monoscope visualisation element
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* Copyright (C) <2002> Richard Boulton <richard@tartarus.org>
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* Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>
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* Copyright (C) <2006> Wim Taymans <wim at fluendo dot com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_MONOSCOPE__
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#define __GST_MONOSCOPE__
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G_BEGIN_DECLS
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#define GST_TYPE_MONOSCOPE (gst_monoscope_get_type())
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#define GST_MONOSCOPE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MONOSCOPE,GstMonoscope))
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#define GST_MONOSCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MONOSCOPE,GstMonoscopeClass))
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#define GST_IS_MONOSCOPE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MONOSCOPE))
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#define GST_IS_MONOSCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MONOSCOPE))
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typedef struct _GstMonoscope GstMonoscope;
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typedef struct _GstMonoscopeClass GstMonoscopeClass;
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struct _GstMonoscope
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{
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GstElement element;
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/* pads */
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GstPad *sinkpad;
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GstPad *srcpad;
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GstAdapter *adapter;
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guint64 next_ts; /* expected timestamp of the next frame */
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guint64 frame_duration; /* video frame duration */
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gint rate; /* sample rate */
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guint bps; /* bytes per sample */
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guint spf; /* samples per video frame */
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GstBufferPool *pool;
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GstSegment segment;
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gboolean segment_pending;
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/* QoS stuff *//* with LOCK */
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gdouble proportion;
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GstClockTime earliest_time;
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/* video state */
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gint fps_num;
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gint fps_denom;
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gint width;
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gint height;
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guint outsize;
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/* visualisation state */
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struct monoscope_state *visstate;
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};
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struct _GstMonoscopeClass
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{
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GstElementClass parent_class;
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};
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GType gst_monoscope_get_type (void);
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G_END_DECLS
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#endif /* __GST_MONOSCOPE__ */
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