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5a25eb61b7
to also support CRF intervals like every 1,333,333ns 64 events Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1073>
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* GStreamer AVTP Plugin
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* Copyright (C) 2019 Intel Corporation
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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_AVTP_CRF_BASE_H__
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#define __GST_AVTP_CRF_BASE_H__
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#include <gst/base/gstbasetransform.h>
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#include <gst/gst.h>
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#include <linux/if_packet.h>
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G_BEGIN_DECLS
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#define GST_TYPE_AVTP_CRF_BASE (gst_avtp_crf_base_get_type())
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#define GST_AVTP_CRF_BASE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVTP_CRF_BASE,GstAvtpCrfBase))
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#define GST_AVTP_CRF_BASE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVTP_CRF_BASE,GstAvtpCrfBaseClass))
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#define GST_IS_AVTP_CRF_BASE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVTP_CRF_BASE))
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#define GST_IS_AVTP_CRF_BASE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVTP_CRF_BASE))
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typedef struct _GstAvtpCrfBase GstAvtpCrfBase;
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typedef struct _GstAvtpCrfBaseClass GstAvtpCrfBaseClass;
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typedef struct _GstAvtpCrfThreadData GstAvtpCrfThreadData;
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struct _GstAvtpCrfThreadData
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{
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GThread *thread;
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gboolean is_running;
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guint64 num_pkt_tstamps;
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GstClockTime timestamp_interval;
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guint64 base_freq;
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guint64 pull;
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guint64 type;
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guint64 mr;
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gdouble *past_periods;
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int past_periods_iter;
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int periods_stored;
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/** The time in ns between two events. The type of the event is depending on
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* the CRF type: Audio sample, video frame sync, video line sync, ...
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*/
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gdouble average_period;
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GstClockTime current_ts;
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GstClockTime last_received_tstamp;
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guint64 last_seqnum;
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};
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struct _GstAvtpCrfBase
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{
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GstBaseTransform element;
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guint64 streamid;
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gchar *ifname;
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gchar *address;
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GstAvtpCrfThreadData thread_data;
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};
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struct _GstAvtpCrfBaseClass
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{
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GstBaseTransformClass parent_class;
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_avtp_crf_base_get_type (void);
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G_END_DECLS
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#endif /* __GST_AVTP_CRF_BASE_H__ */
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