1 /* GStreamer
2  * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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 __MXF_MUX_H__
21 #define __MXF_MUX_H__
22 
23 #include <gst/gst.h>
24 #include <gst/base/gstadapter.h>
25 #include <gst/base/gstaggregator.h>
26 
27 #include "mxfessence.h"
28 
29 G_BEGIN_DECLS
30 
31 #define GST_TYPE_MXF_MUX \
32   (gst_mxf_mux_get_type ())
33 #define GST_MXF_MUX(obj) \
34   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MXF_MUX, GstMXFMux))
35 #define GST_MXF_MUX_CLASS(klass) \
36   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MXF_MUX, GstMXFMuxClass))
37 #define GST_IS_MXF_MUX(obj) \
38   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MXF_MUX))
39 #define GST_IS_MXF_MUX_CLASS(klass) \
40   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MXF_MUX))
41 
42 typedef enum
43 {
44   GST_MXF_MUX_STATE_HEADER,
45   GST_MXF_MUX_STATE_DATA,
46   GST_MXF_MUX_STATE_EOS,
47   GST_MXF_MUX_STATE_ERROR
48 } GstMXFMuxState;
49 
50 typedef struct _GstMXFMux {
51   GstAggregator parent;
52 
53   /* <private> */
54   GstMXFMuxState state;
55   guint n_pads;
56 
57   guint64 offset;
58 
59   MXFPartitionPack partition;
60   MXFPrimerPack primer;
61 
62   GHashTable *metadata;
63   GList *metadata_list;
64   MXFMetadataPreface *preface;
65 
66   MXFFraction min_edit_rate;
67   guint64 last_gc_position;
68   GstClockTime last_gc_timestamp;
69 
70   gchar *application;
71 
72   GArray *index_table;
73   guint current_index_pos;
74   guint64 last_keyframe_pos;
75 } GstMXFMux;
76 
77 typedef struct _GstMXFMuxClass {
78   GstAggregatorClass parent;
79 } GstMXFMuxClass;
80 
81 GType gst_mxf_mux_get_type (void);
82 
83 G_END_DECLS
84 
85 #endif /* __MXF_MUX_H__ */
86