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f0571a94fb
It depends on the framerate how many cc_data byte pairs are allowed per frame, and the framerate is also needed for converting into the CDP or MCC format as the framerate is part of the header metadata.
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* GStreamer
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* Copyright (C) 2018 Edward Hervey <edward@centricular.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_CCEXTRACTOR_H__
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#define __GST_CCEXTRACTOR_H__
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#include <gst/gst.h>
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#include <gst/base/gstflowcombiner.h>
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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#define GST_TYPE_CCEXTRACTOR \
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(gst_cc_extractor_get_type())
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#define GST_CCEXTRACTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CCEXTRACTOR,GstCCExtractor))
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#define GST_CCEXTRACTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CCEXTRACTOR,GstCCExtractorClass))
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#define GST_IS_CCEXTRACTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CCEXTRACTOR))
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#define GST_IS_CCEXTRACTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CCEXTRACTOR))
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typedef struct _GstCCExtractor GstCCExtractor;
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typedef struct _GstCCExtractorClass GstCCExtractorClass;
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struct _GstCCExtractor
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{
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GstElement element;
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GstPad *sinkpad, *srcpad, *captionpad;
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GstVideoCaptionType caption_type;
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GstVideoInfo video_info;
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GstFlowCombiner *combiner;
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};
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struct _GstCCExtractorClass
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{
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GstElementClass parent_class;
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};
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GType gst_cc_extractor_get_type (void);
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G_END_DECLS
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#endif /* __GST_CCEXTRACTOR_H__ */
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