1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3  * Copyright (C) <2009> STEricsson <benjamin.gaignard@stericsson.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef __GST_QTDEMUX_TYPES_H__
22 #define __GST_QTDEMUX_TYPES_H__
23 
24 #include <gst/gst.h>
25 #include <gst/base/gstbytereader.h>
26 
27 #include "qtdemux.h"
28 
29 G_BEGIN_DECLS
30 
31 typedef gboolean (*QtDumpFunc) (GstQTDemux * qtdemux, GstByteReader * data,
32     int depth);
33 
34 typedef struct _QtNodeType QtNodeType;
35 
36 #define QT_UINT32(a)  (GST_READ_UINT32_BE(a))
37 #define QT_UINT24(a)  (GST_READ_UINT32_BE(a) >> 8)
38 #define QT_UINT16(a)  (GST_READ_UINT16_BE(a))
39 #define QT_UINT8(a)   (GST_READ_UINT8(a))
40 #define QT_FP32(a)    ((GST_READ_UINT32_BE(a))/65536.0)
41 #define QT_SFP32(a)   (((gint)(GST_READ_UINT32_BE(a)))/65536.0)
42 #define QT_FP16(a)    ((GST_READ_UINT16_BE(a))/256.0)
43 #define QT_FOURCC(a)  (GST_READ_UINT32_LE(a))
44 #define QT_UINT64(a)  ((((guint64)QT_UINT32(a))<<32)|QT_UINT32(((guint8 *)a)+4))
45 
46 typedef enum {
47   QT_FLAG_NONE      = (0),
48   QT_FLAG_CONTAINER = (1 << 0)
49 } QtFlags;
50 
51 struct _QtNodeType {
52   guint32      fourcc;
53   const gchar *name;
54   QtFlags      flags;
55   QtDumpFunc   dump;
56 };
57 
58 enum TfFlags
59 {
60   TF_BASE_DATA_OFFSET         = 0x000001,   /* base-data-offset-present */
61   TF_SAMPLE_DESCRIPTION_INDEX = 0x000002,   /* sample-description-index-present */
62   TF_DEFAULT_SAMPLE_DURATION  = 0x000008,   /* default-sample-duration-present */
63   TF_DEFAULT_SAMPLE_SIZE      = 0x000010,   /* default-sample-size-present */
64   TF_DEFAULT_SAMPLE_FLAGS     = 0x000020,   /* default-sample-flags-present */
65   TF_DURATION_IS_EMPTY        = 0x010000,   /* duration-is-empty */
66   TF_DEFAULT_BASE_IS_MOOF     = 0x020000    /* default-base-is-moof */
67 };
68 
69 enum TrFlags
70 {
71   TR_DATA_OFFSET              = 0x000001,   /* data-offset-present */
72   TR_FIRST_SAMPLE_FLAGS       = 0x000004,   /* first-sample-flags-present */
73   TR_SAMPLE_DURATION          = 0x000100,   /* sample-duration-present */
74   TR_SAMPLE_SIZE              = 0x000200,   /* sample-size-present */
75   TR_SAMPLE_FLAGS             = 0x000400,   /* sample-flags-present */
76   TR_COMPOSITION_TIME_OFFSETS = 0x000800    /* sample-composition-time-offsets-presents */
77 };
78 
79 const QtNodeType *qtdemux_type_get (guint32 fourcc);
80 
81 G_END_DECLS
82 
83 #endif /* __GST_QTDEMUX_TYPES_H__ */
84