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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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42586dd536
That new property can be used to control whether and how detected CC meta should be inserted in the list of existing CC meta on the input frame (if there was any). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1885>
84 lines
2.4 KiB
C
84 lines
2.4 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_LINE21DECODER_H__
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#define __GST_LINE21DECODER_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/video-anc.h>
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#include "decoder.h"
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G_BEGIN_DECLS
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#define GST_TYPE_LINE21DECODER \
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(gst_line_21_decoder_get_type())
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#define GST_LINE21DECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LINE21DECODER,GstLine21Decoder))
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#define GST_LINE21DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LINE21DECODER,GstLine21DecoderClass))
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#define GST_IS_LINE21DECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LINE21DECODER))
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#define GST_IS_LINE21DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LINE21DECODER))
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typedef struct _GstLine21Decoder GstLine21Decoder;
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typedef struct _GstLine21DecoderClass GstLine21DecoderClass;
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typedef enum {
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GST_LINE_21_DECODER_MODE_ADD,
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GST_LINE_21_DECODER_MODE_DROP,
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GST_LINE_21_DECODER_MODE_REPLACE,
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} GstLine21DecoderMode;
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struct _GstLine21Decoder
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{
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GstVideoFilter parent;
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gboolean compatible_format;
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vbi_raw_decoder zvbi_decoder;
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/* Offset (in lines) to "line 21" in the incoming stream */
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gint line21_offset;
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/* Maximum number of lines to probe when looking for CC */
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gint max_line_probes;
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/* Whether input data is v210 and needs to be converted before
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* processing */
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gboolean convert_v210;
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guint8 *converted_lines;
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GstVideoInfo *info;
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gboolean ntsc_only;
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GstLine21DecoderMode mode;
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};
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struct _GstLine21DecoderClass
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{
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GstVideoFilterClass parent_class;
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};
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GType gst_line_21_decoder_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (line21decoder);
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G_END_DECLS
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#endif /* __GST_LINE21DECODER_H__ */
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