mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-11 02:46:33 +00:00
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* 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);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_JPEG_PARSE_H__ */
|