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595254f21b
This element can be configured to add jitter and/or drift to incoming buffers' PTS, DTS, or both. Amplitude and average of jitter and drift are configurable. https://bugzilla.gnome.org/show_bug.cgi?id=787358
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2017 Vivia Nikolaidou <vivia@ahiru.eu>
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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_JITTERER_H__
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#define __GST_JITTERER_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_JITTERER (gst_jitterer_get_type())
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#define GST_JITTERER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JITTERER,GstJitterer))
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#define GST_IS_JITTERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JITTERER))
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#define GST_JITTERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_JITTERER,GstJittererClass))
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#define GST_IS_JITTERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_JITTERER))
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#define GST_JITTERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_JITTERER,GstJittererClass))
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typedef struct _GstJitterer GstJitterer;
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typedef struct _GstJittererClass GstJittererClass;
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struct _GstJitterer {
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GstElement parent;
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GstClockTime jitter_ampl;
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GstClockTimeDiff jitter_avg;
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GstClockTime drift_ampl;
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GstClockTimeDiff drift_avg;
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gboolean change_pts;
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gboolean change_dts;
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gint64 dts_drift_so_far;
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gint64 pts_drift_so_far;
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GRand *rand;
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GstClockTime prev_pts;
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GstPad *srcpad;
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GstPad *sinkpad;
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};
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struct _GstJittererClass {
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GstElementClass parent_class;
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};
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GType gst_jitterer_get_type (void);
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gboolean gst_jitterer_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_JITTERER_H__ */
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