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/* GStreamer
*
* jpegparse: a parser for JPEG streams
*
* Copyright (C) <2009> Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
*
* This library is free software; you can redistribute it and/or
* modify 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 St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_JPEG_PARSE_H__
#define __GST_JPEG_PARSE_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/base/gstbaseparse.h>
#include "gstjpegformat.h"
G_BEGIN_DECLS
#define GST_TYPE_JPEG_PARSE \
(gst_jpeg_parse_get_type())
#define GST_JPEG_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEG_PARSE,GstJpegParse))
#define GST_JPEG_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEG_PARSE,GstJpegParseClass))
#define GST_IS_JPEG_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEG_PARSE))
#define GST_IS_JPEG_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEG_PARSE))
#define GST_JPEG_PARSE_CAST(obj) ((GstJpegParse *)obj)
typedef struct _GstJpegParse GstJpegParse;
typedef struct _GstJpegParseClass GstJpegParseClass;
struct _GstJpegParse {
GstBaseParse parse;
guint last_offset;
guint last_entropy_len;
gboolean last_resync;
/* negotiated state */
gint caps_width, caps_height;
gint caps_framerate_numerator;
gint caps_framerate_denominator;
/* the parsed frame size */
guint16 width, height;
/* format color space */
const gchar *format;
/* TRUE if the src caps sets a specific framerate */
gboolean has_fps;
/* the (expected) timestamp of the next frame */
guint64 next_ts;
/* duration of the current frame */
guint64 duration;
/* video state */
gint framerate_numerator;
gint framerate_denominator;
/* tags */
GstTagList *tags;
};
struct _GstJpegParseClass {
GstBaseParseClass parent_class;
};
GType gst_jpeg_parse_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (jpegparse);
G_END_DECLS
#endif /* __GST_JPEG_PARSE_H__ */
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