1 /* GStreamer
2  * Copyright (C) <2007> Julien Moutte <julien@fluendo.com>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef __MPEG4VIDEO_PARSE_H__
21 #define __MPEG4VIDEO_PARSE_H__
22 
23 #include <gst/gst.h>
24 #include <gst/base/gstbaseparse.h>
25 
26 #include <gst/codecparsers/gstmpeg4parser.h>
27 
28 G_BEGIN_DECLS
29 
30 #define GST_TYPE_MPEG4VIDEO_PARSE            (gst_mpeg4vparse_get_type())
31 #define GST_MPEG4VIDEO_PARSE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),\
32                                 GST_TYPE_MPEG4VIDEO_PARSE, GstMpeg4VParse))
33 #define GST_MPEG4VIDEO_PARSE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),\
34                                 GST_TYPE_MPEG4VIDEO_PARSE, GstMpeg4VParseClass))
35 #define GST_MPEG4VIDEO_PARSE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),\
36                                 GST_TYPE_MPEG4VIDEO_PARSE, GstMpeg4VParseClass))
37 #define GST_IS_MPEG4VIDEO_PARSE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
38                                 GST_TYPE_MPEG4VIDEO_PARSE))
39 #define GST_IS_MPEG4VIDEO_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),\
40                                 GST_TYPE_MPEG4VIDEO_PARSE))
41 
42 typedef struct _GstMpeg4VParse GstMpeg4VParse;
43 typedef struct _GstMpeg4VParseClass GstMpeg4VParseClass;
44 
45 struct _GstMpeg4VParse {
46   GstBaseParse element;
47 
48   GstClockTime last_report;
49 
50   /* parse state */
51   gint last_sc;
52   gint vop_offset;
53   gboolean vo_found;
54   gboolean config_found;
55   gboolean update_caps;
56   gboolean sent_codec_tag;
57 
58   GstMpeg4VisualObject vo;
59   gint vo_offset;
60 
61   gboolean discont;
62 
63   GstBuffer *config;
64   GstMpeg4VideoObjectLayer vol;
65   gboolean vol_offset;
66   const gchar *profile;
67   const gchar *level;
68 
69   /* properties */
70   gboolean drop;
71   guint interval;
72   GstClockTime pending_key_unit_ts;
73   GstEvent *force_key_unit_event;
74 };
75 
76 struct _GstMpeg4VParseClass {
77   GstBaseParseClass parent_class;
78 };
79 
80 GType gst_mpeg4vparse_get_type (void);
81 
82 G_END_DECLS
83 
84 #endif /* __MPEG4VIDEO_PARSE_H__ */
85