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_sce.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 Arguments:     hFrameData - handle to struct SBR_FRAME_DATA
33                hBitBuf    - handle to struct BIT_BUF
34
35 Return:        SbrFrameOK
36
37
38------------------------------------------------------------------------------
39 FUNCTION DESCRIPTION
40
41
42------------------------------------------------------------------------------
43 REQUIREMENTS
44
45
46------------------------------------------------------------------------------
47 REFERENCES
48
49SC 29 Software Copyright Licencing Disclaimer:
50
51This software module was originally developed by
52  Coding Technologies
53
54and edited by
55  -
56
57in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
58standards for reference purposes and its performance may not have been
59optimized. This software module is an implementation of one or more tools as
60specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
61ISO/IEC gives users free license to this software module or modifications
62thereof for use in products claiming conformance to audiovisual and
63image-coding related ITU Recommendations and/or ISO/IEC International
64Standards. ISO/IEC gives users the same free license to this software module or
65modifications thereof for research purposes and further ISO/IEC standardisation.
66Those intending to use this software module in products are advised that its
67use may infringe existing patents. ISO/IEC have no liability for use of this
68software module or modifications thereof. Copyright is not released for
69products that do not conform to audiovisual and image-coding related ITU
70Recommendations and/or ISO/IEC International Standards.
71The original developer retains full right to modify and use the code for its
72own purpose, assign or donate the code to a third party and to inhibit third
73parties from using the code for products that do not conform to audiovisual and
74image-coding related ITU Recommendations and/or ISO/IEC International Standards.
75This copyright notice must be included in all copies or derivative works.
76Copyright (c) ISO/IEC 2002.
77
78------------------------------------------------------------------------------
79 PSEUDO-CODE
80
81------------------------------------------------------------------------------
82*/
83
84
85/*----------------------------------------------------------------------------
86; INCLUDES
87----------------------------------------------------------------------------*/
88
89#ifdef AAC_PLUS
90
91
92
93#include    "sbr_get_sce.h"
94#include    "sbr_get_additional_data.h"
95#include    "sbr_extract_extended_data.h"
96#include    "buf_getbits.h"
97#include    "sbr_get_envelope.h"
98#include    "sbr_get_noise_floor_data.h"
99#include    "extractframeinfo.h"
100#include    "sbr_get_dir_control_data.h"
101#include    "e_invf_mode.h"
102#include    "aac_mem_funcs.h"
103
104/*----------------------------------------------------------------------------
105; MACROS
106; Define module specific macros here
107----------------------------------------------------------------------------*/
108
109
110/*----------------------------------------------------------------------------
111; DEFINES
112; Include all pre-processor statements here. Include conditional
113; compile variables also.
114----------------------------------------------------------------------------*/
115
116/*----------------------------------------------------------------------------
117; LOCAL FUNCTION DEFINITIONS
118; Function Prototype declaration
119----------------------------------------------------------------------------*/
120
121/*----------------------------------------------------------------------------
122; LOCAL STORE/BUFFER/POINTER DEFINITIONS
123; Variable declaration - defined here and used outside this module
124----------------------------------------------------------------------------*/
125
126/*----------------------------------------------------------------------------
127; EXTERNAL FUNCTION REFERENCES
128; Declare functions defined elsewhere and referenced in this module
129----------------------------------------------------------------------------*/
130
131/*----------------------------------------------------------------------------
132; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
133; Declare variables used in this module but defined elsewhere
134----------------------------------------------------------------------------*/
135
136/*----------------------------------------------------------------------------
137; FUNCTION CODE
138----------------------------------------------------------------------------*/
139
140SBR_ERROR sbr_get_sce(SBR_FRAME_DATA * hFrameData,
141                      BIT_BUFFER * hBitBuf
142#ifdef PARAMETRICSTEREO
143                      , HANDLE_PS_DEC hParametricStereoDec
144#endif
145                     )
146{
147    Int32 i;
148    Int32 bits;
149    SBR_ERROR err =  SBRDEC_OK;
150
151    /* reserved bits */
152    bits = buf_getbits(hBitBuf, SI_SBR_RESERVED_PRESENT);
153
154    if (bits)
155    {
156        buf_getbits(hBitBuf, SI_SBR_RESERVED_BITS_DATA);
157    }
158
159    /* side info */
160    err = extractFrameInfo(hBitBuf, hFrameData);
161
162    if (err != SBRDEC_OK)
163    {
164        return err;
165    }
166
167
168    sbr_get_dir_control_data(hFrameData, hBitBuf);
169
170    for (i = 0; i < hFrameData->nNfb; i++)
171    {
172        hFrameData->sbr_invf_mode_prev[i] = hFrameData->sbr_invf_mode[i];
173        hFrameData->sbr_invf_mode[i] =
174            (INVF_MODE) buf_getbits(hBitBuf, SI_SBR_INVF_MODE_BITS);
175    }
176
177
178    /* raw data */
179    sbr_get_envelope(hFrameData, hBitBuf);
180
181    sbr_get_noise_floor_data(hFrameData, hBitBuf);
182
183    pv_memset((void *)hFrameData->addHarmonics,
184              0,
185              hFrameData->nSfb[HI]*sizeof(Int32));
186
187    sbr_get_additional_data(hFrameData, hBitBuf);
188
189    sbr_extract_extended_data(hBitBuf
190#ifdef PARAMETRICSTEREO
191                              , hParametricStereoDec
192#endif
193                             );
194
195    hFrameData->coupling = COUPLING_OFF;
196
197    return SBRDEC_OK;
198
199}
200
201
202#endif
203