gstreamer/subprojects/gst-plugins-bad/ext/closedcaption/gstcccombiner.h

88 lines
2.4 KiB
C
Raw Normal View History

/*
* GStreamer
* Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CCCOMBINER_H__
#define __GST_CCCOMBINER_H__
#include <gst/gst.h>
#include <gst/base/base.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_CCCOMBINER \
(gst_cc_combiner_get_type())
#define GST_CCCOMBINER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CCCOMBINER,GstCCCombiner))
#define GST_CCCOMBINER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CCCOMBINER,GstCCCombinerClass))
#define GST_IS_CCCOMBINER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CCCOMBINER))
#define GST_IS_CCCOMBINER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CCCOMBINER))
typedef struct _GstCCCombiner GstCCCombiner;
typedef struct _GstCCCombinerClass GstCCCombinerClass;
struct cdp_fps_entry
{
guint8 fps_idx;
guint fps_n, fps_d;
guint max_cc_count;
guint max_ccp_count;
guint max_cea608_count;
};
struct _GstCCCombiner
{
GstAggregator parent;
gint video_fps_n, video_fps_d;
gboolean progressive;
GstClockTime previous_video_running_time_end;
GstClockTime current_video_running_time;
GstClockTime current_video_running_time_end;
GstBuffer *current_video_buffer;
GArray *current_frame_captions;
GstVideoCaptionType caption_type;
gboolean prop_schedule;
guint prop_max_scheduled;
gboolean schedule;
guint max_scheduled;
/* One queue per field */
GstQueueArray *scheduled[2];
guint16 cdp_hdr_sequence_cntr;
const struct cdp_fps_entry *cdp_fps_entry;
};
struct _GstCCCombinerClass
{
GstAggregatorClass parent_class;
};
GType gst_cc_combiner_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (cccombiner);
G_END_DECLS
#endif /* __GST_CCCOMBINER_H__ */