mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 02:30:35 +00:00
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
|
|
* 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__ */
|