1/* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18/*
19
20 Filename: sbr_get_additional_data.c
21
22------------------------------------------------------------------------------
23 REVISION HISTORY
24
25
26 Who:                                   Date: MM/DD/YYYY
27 Description:
28
29------------------------------------------------------------------------------
30 INPUT AND OUTPUT DEFINITIONS
31
32
33
34------------------------------------------------------------------------------
35 FUNCTION DESCRIPTION
36
37
38------------------------------------------------------------------------------
39 REQUIREMENTS
40
41
42------------------------------------------------------------------------------
43 REFERENCES
44
45SC 29 Software Copyright Licencing Disclaimer:
46
47This software module was originally developed by
48  Coding Technologies
49
50and edited by
51  -
52
53in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
54standards for reference purposes and its performance may not have been
55optimized. This software module is an implementation of one or more tools as
56specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
57ISO/IEC gives users free license to this software module or modifications
58thereof for use in products claiming conformance to audiovisual and
59image-coding related ITU Recommendations and/or ISO/IEC International
60Standards. ISO/IEC gives users the same free license to this software module or
61modifications thereof for research purposes and further ISO/IEC standardisation.
62Those intending to use this software module in products are advised that its
63use may infringe existing patents. ISO/IEC have no liability for use of this
64software module or modifications thereof. Copyright is not released for
65products that do not conform to audiovisual and image-coding related ITU
66Recommendations and/or ISO/IEC International Standards.
67The original developer retains full right to modify and use the code for its
68own purpose, assign or donate the code to a third party and to inhibit third
69parties from using the code for products that do not conform to audiovisual and
70image-coding related ITU Recommendations and/or ISO/IEC International Standards.
71This copyright notice must be included in all copies or derivative works.
72Copyright (c) ISO/IEC 2002.
73
74------------------------------------------------------------------------------
75 PSEUDO-CODE
76
77------------------------------------------------------------------------------
78*/
79
80
81/*----------------------------------------------------------------------------
82; INCLUDES
83----------------------------------------------------------------------------*/
84
85#ifdef AAC_PLUS
86
87
88#include    "sbr_get_additional_data.h"
89#include    "buf_getbits.h"
90
91/*----------------------------------------------------------------------------
92; MACROS
93; Define module specific macros here
94----------------------------------------------------------------------------*/
95
96
97/*----------------------------------------------------------------------------
98; DEFINES
99; Include all pre-processor statements here. Include conditional
100; compile variables also.
101----------------------------------------------------------------------------*/
102
103/*----------------------------------------------------------------------------
104; LOCAL FUNCTION DEFINITIONS
105; Function Prototype declaration
106----------------------------------------------------------------------------*/
107
108/*----------------------------------------------------------------------------
109; LOCAL STORE/BUFFER/POINTER DEFINITIONS
110; Variable declaration - defined here and used outside this module
111----------------------------------------------------------------------------*/
112
113/*----------------------------------------------------------------------------
114; EXTERNAL FUNCTION REFERENCES
115; Declare functions defined elsewhere and referenced in this module
116----------------------------------------------------------------------------*/
117
118/*----------------------------------------------------------------------------
119; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
120; Declare variables used in this module but defined elsewhere
121----------------------------------------------------------------------------*/
122
123/*----------------------------------------------------------------------------
124; FUNCTION CODE
125----------------------------------------------------------------------------*/
126
127void sbr_get_additional_data(SBR_FRAME_DATA * hFrameData,
128                             BIT_BUFFER     * hBitBuf)
129{
130    Int32 i;
131
132    Int32 flag = buf_getbits(hBitBuf, 1);
133
134    if (flag)
135    {
136        for (i = 0; i < hFrameData->nSfb[HI]; i++)
137        {
138            hFrameData->addHarmonics[i] = buf_getbits(hBitBuf, 1);
139        }
140    }
141}
142
143#endif
144
145
146