M4MP4W_Utils.h revision 7c9d8018755adf1857571125ba1b3598c96ea506 
1/*
2 * Copyright (C) 2004-2011 NXP Software
3 * Copyright (C) 2011 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/**
19 ******************************************************************************
20 * @file    M4MP4W_Utils.h
21 * @brief   Utilities and private functions declaration for the MP4 writer
22 ******************************************************************************
23 */
24
25#ifndef M4MP4W_UTILS_H
26#define M4MP4W_UTILS_H
27
28#ifdef __cplusplus
29extern "C" {
30#endif /* __cplusplus */
31
32#include "NXPSW_CompilerSwitches.h"
33
34#ifndef _M4MP4W_USE_CST_MEMORY_WRITER
35
36/* includes */
37#include "M4OSA_Types.h"
38#include "M4OSA_FileWriter.h"
39
40
41/**
42 ******************************************************************************
43 * Utility functions to write data in big endian
44 ******************************************************************************
45 */
46M4OSA_ERR M4MP4W_putByte(M4OSA_UChar c,    M4OSA_FileWriterPointer* fileFunction,
47                         M4OSA_Context context);
48M4OSA_ERR M4MP4W_putBE16(M4OSA_UInt32 val, M4OSA_FileWriterPointer* fileFunction,
49                         M4OSA_Context context);
50M4OSA_ERR M4MP4W_putBE24(M4OSA_UInt32 val, M4OSA_FileWriterPointer* fileFunction,
51                         M4OSA_Context context);
52M4OSA_ERR M4MP4W_putBE32(M4OSA_UInt32 val, M4OSA_FileWriterPointer* fileFunction,
53                         M4OSA_Context context);
54
55/**
56 ******************************************************************************
57 * Write a bulk of data into the specified file, size is given in bytes
58 ******************************************************************************
59 */
60M4OSA_ERR M4MP4W_putBlock(const M4OSA_UChar* Block, M4OSA_UInt32 size,
61                          M4OSA_FileWriterPointer* fileFunction, M4OSA_Context context);
62
63/**
64 ******************************************************************************
65 * Convert the 'nb' unsigned integers in 'tab' table from LE into BE
66 ******************************************************************************
67 */
68void M4MP4W_table32ToBE(M4OSA_UInt32* tab, M4OSA_UInt32 nb);
69
70/**
71 ******************************************************************************
72 * Convert an unsigned 32 bits integer from LE into BE
73 ******************************************************************************
74 */
75void M4MP4W_convertInt32BE(M4OSA_UInt32* valPtr);
76
77/**
78 ******************************************************************************
79 * Re-allocation function
80 ******************************************************************************
81 */
82void* M4MP4W_realloc(M4OSA_MemAddr32 ptr, M4OSA_UInt32 oldSize, M4OSA_UInt32 newSize);
83
84/**
85 ******************************************************************************
86 * De-allocate the context
87 * This method is no longer in the writer external interface, but is called from
88 * the function M4MP4W_closeWrite
89 ******************************************************************************
90 */
91M4OSA_ERR M4MP4W_freeContext(M4OSA_Context context);
92
93
94#ifdef _M4MP4W_OPTIMIZE_FOR_PHONE
95/**
96 ******************************************************************************
97 * Put Hi and Lo u16 part in a u32 variable
98 ******************************************************************************
99 */
100M4OSA_Void M4MP4W_put32_Hi(M4OSA_UInt32* tab, M4OSA_UInt16 Hi);
101M4OSA_Void M4MP4W_put32_Lo(M4OSA_UInt32* tab, M4OSA_UInt16 Lo);
102M4OSA_UInt16 M4MP4W_get32_Hi(M4OSA_UInt32* tab);
103M4OSA_UInt16 M4MP4W_get32_Lo(M4OSA_UInt32* tab);
104#endif
105
106#endif /* _M4MP4W_USE_CST_MEMORY_WRITER */
107
108#ifdef __cplusplus
109}
110#endif /* __cplusplus */
111
112#endif /*M4MP4W_UTILS_H*/
113
114