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/*
* GStreamer
* Copyright (C) 2016 Vivia Nikolaidou <vivia@toolsonair.com>
*
* gsttimecodestamper.h
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_TIME_CODE_STAMPER_H__
#define __GST_TIME_CODE_STAMPER_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#define GST_TYPE_TIME_CODE_STAMPER (gst_timecodestamper_get_type())
#define GST_TIME_CODE_STAMPER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIME_CODE_STAMPER,GstTimeCodeStamper))
#define GST_TIME_CODE_STAMPER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_TIME_CODE_STAMPER,GstTimeCodeStamperClass))
#define GST_TIME_CODE_STAMPER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_TIME_CODE_STAMPER,GstTimeCodeStamperClass))
#define GST_IS_TIME_CODE_STAMPER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIME_CODE_STAMPER))
#define GST_IS_TIME_CODE_STAMPER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_TIME_CODE_STAMPER))
#define GST_TYPE_TIME_CODE_STAMPER_SOURCE (gst_timecodestamper_source_get_type())
#define GST_TYPE_TIME_CODE_STAMPER_SET (gst_timecodestamper_set_get_type())
typedef struct _GstTimeCodeStamper GstTimeCodeStamper;
typedef struct _GstTimeCodeStamperClass GstTimeCodeStamperClass;
typedef enum GstTimeCodeStamperSource
{
GST_TIME_CODE_STAMPER_SOURCE_INTERNAL,
GST_TIME_CODE_STAMPER_SOURCE_ZERO,
GST_TIME_CODE_STAMPER_SOURCE_LAST_KNOWN,
GST_TIME_CODE_STAMPER_SOURCE_RTC,
} GstTimeCodeStamperSource;
typedef enum GstTimeCodeStamperSet {
GST_TIME_CODE_STAMPER_SET_NEVER,
GST_TIME_CODE_STAMPER_SET_KEEP,
GST_TIME_CODE_STAMPER_SET_ALWAYS,
} GstTimeCodeStamperSet;
/**
* GstTimeCodeStamper:
*
* Opaque data structure.
*/
struct _GstTimeCodeStamper
{
GstBaseTransform videofilter;
/* protected by object lock */
GstPad *ltcpad;
/* < private > */
/* Properties, protected by object lock */
GstTimeCodeStamperSource tc_source;
GstTimeCodeStamperSet tc_set;
gboolean drop_frame;
gboolean post_messages;
GstVideoTimeCode *set_internal_tc;
GDateTime *ltc_daily_jam;
gboolean ltc_auto_resync;
GstClockTime rtc_max_drift;
gboolean rtc_auto_resync;
gint timecode_offset;
/* Timecode tracking, protected by object lock */
GstVideoTimeCode *internal_tc;
GstVideoTimeCode *last_tc;
GstVideoTimeCode *rtc_tc;
/* Internal state */
GstVideoInfo vinfo; /* protected by object lock, changed only from video streaming thread */
};
struct _GstTimeCodeStamperClass
{
GstBaseTransformClass parent_class;
};
GType gst_timecodestamper_get_type (void);
GType gst_timecodestamper_source_get_type (void);
GType gst_timecodestamper_set_get_type (void);
G_END_DECLS
#endif /* __GST_TIME_CODE_STAMPER_H__ */
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