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105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
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* GStreamer
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* Copyright (C) 2009 Sebastian Pölsterl <sebp@k-d-w.org>
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* Copyright (C) 2010 Andoni Morales Alastruey <ylatuya@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* mod1ify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef __GST_TELETEXTDEC_H__
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#define __GST_TELETEXTDEC_H__
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#include <gst/gst.h>
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#include <libzvbi.h>
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G_BEGIN_DECLS
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#define GST_TYPE_TELETEXTDEC \
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(gst_teletextdec_get_type())
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#define GST_TELETEXTDEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TELETEXTDEC,GstTeletextDec))
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#define GST_TELETEXTDEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TELETEXTDEC,GstTeletextDecClass))
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#define GST_IS_TELETEXTDEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TELETEXTDEC))
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#define GST_IS_TELETEXTDEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TELETEXTDEC))
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typedef struct _GstTeletextDec GstTeletextDec;
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typedef struct _GstTeletextDecClass GstTeletextDecClass;
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typedef struct _GstTeletextFrame GstTeletextFrame;
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typedef enum _GstTeletextOutputFormat GstTeletextOutputFormat;
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typedef GstFlowReturn (*GstTeletextExportFunc) (GstTeletextDec * teletext,
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vbi_page * page, GstBuffer ** buf);
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struct _GstTeletextDec
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{
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GstElement element;
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GstPad *sinkpad;
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GstPad *srcpad;
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GstEvent *segment;
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GstClockTime in_timestamp;
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GstClockTime in_duration;
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gint rate_numerator;
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gint rate_denominator;
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/* Props */
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gint pageno;
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gint subno;
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gboolean subtitles_mode;
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gchar *subtitles_template;
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gchar *font_description;
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vbi_decoder *decoder;
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GQueue *queue;
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GMutex queue_lock;
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GstTeletextFrame *frame;
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float last_ts;
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GstTeletextExportFunc export_func;
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/* negotiated size of the output image in RGBA mode. */
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guint width;
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guint height;
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/* buffer pool received from the peer pad - used in RGBA output only. */
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GstBufferPool *buf_pool;
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};
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struct _GstTeletextFrame
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{
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vbi_sliced *sliced_begin;
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vbi_sliced *sliced_end;
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vbi_sliced *current_slice;
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guint last_field;
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guint last_field_line;
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guint last_frame_line;
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};
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struct _GstTeletextDecClass
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{
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GstElementClass parent_class;
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};
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GType gst_teletextdec_get_type (void);
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G_END_DECLS
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#endif /* __GST_TELETEXTDEC_H__ */
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