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