1/******************************************************************************
2 *
3 *  Copyright (C) 2014 The Android Open Source Project
4 *  Copyright 2006 Open Interface North America, Inc. All rights reserved.
5 *
6 *  Licensed under the Apache License, Version 2.0 (the "License");
7 *  you may not use this file except in compliance with the License.
8 *  You may obtain a copy of the License at:
9 *
10 *  http://www.apache.org/licenses/LICENSE-2.0
11 *
12 *  Unless required by applicable law or agreed to in writing, software
13 *  distributed under the License is distributed on an "AS IS" BASIS,
14 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 *  See the License for the specific language governing permissions and
16 *  limitations under the License.
17 *
18 ******************************************************************************/
19
20/*******************************************************************************
21  $Revision: #1 $
22 ******************************************************************************/
23
24/**
25@file
26This file exposes OINA-specific interfaces to decoder functions.
27
28@ingroup codec_internal
29*/
30
31/**
32@addtogroup codec_internal
33@{
34*/
35
36#include <oi_codec_sbc_private.h>
37
38OI_STATUS OI_CODEC_SBC_DecoderConfigureRaw(
39    OI_CODEC_SBC_DECODER_CONTEXT* context, OI_BOOL enhanced, uint8_t frequency,
40    uint8_t mode, uint8_t subbands, uint8_t blocks, uint8_t alloc,
41    uint8_t maxBitpool) {
42  if (frequency > SBC_FREQ_48000) {
43    return OI_STATUS_INVALID_PARAMETERS;
44  }
45
46  if (enhanced) {
47#ifdef SBC_ENHANCED
48    if (subbands != SBC_SUBBANDS_8) {
49      return OI_STATUS_INVALID_PARAMETERS;
50    }
51#else
52    return OI_STATUS_INVALID_PARAMETERS;
53#endif
54  }
55
56  if (mode > SBC_JOINT_STEREO) {
57    return OI_STATUS_INVALID_PARAMETERS;
58  }
59
60  if (subbands > SBC_SUBBANDS_8) {
61    return OI_STATUS_INVALID_PARAMETERS;
62  }
63
64  if (blocks > SBC_BLOCKS_16) {
65    return OI_STATUS_INVALID_PARAMETERS;
66  }
67
68  if (alloc > SBC_SNR) {
69    return OI_STATUS_INVALID_PARAMETERS;
70  }
71
72#ifdef SBC_ENHANCED
73  context->common.frameInfo.enhanced = enhanced;
74#else
75  context->common.frameInfo.enhanced = FALSE;
76#endif
77  context->common.frameInfo.freqIndex = frequency;
78  context->common.frameInfo.mode = mode;
79  context->common.frameInfo.subbands = subbands;
80  context->common.frameInfo.blocks = blocks;
81  context->common.frameInfo.alloc = alloc;
82  context->common.frameInfo.bitpool = maxBitpool;
83
84  OI_SBC_ExpandFrameFields(&context->common.frameInfo);
85
86  if (context->common.frameInfo.nrof_channels >= context->common.pcmStride) {
87    return OI_STATUS_INVALID_PARAMETERS;
88  }
89
90  return OI_OK;
91}
92
93OI_STATUS OI_CODEC_SBC_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT* context,
94                                 uint8_t bitpool, const OI_BYTE** frameData,
95                                 uint32_t* frameBytes, int16_t* pcmData,
96                                 uint32_t* pcmBytes) {
97  return internal_DecodeRaw(context, bitpool, frameData, frameBytes, pcmData,
98                            pcmBytes);
99}
100
101OI_STATUS OI_CODEC_SBC_DecoderLimit(OI_CODEC_SBC_DECODER_CONTEXT* context,
102                                    OI_BOOL enhanced, uint8_t subbands) {
103  if (enhanced) {
104#ifdef SBC_ENHANCED
105    context->enhancedEnabled = TRUE;
106#else
107    context->enhancedEnabled = FALSE;
108#endif
109  } else {
110    context->enhancedEnabled = FALSE;
111  }
112  context->restrictSubbands = subbands;
113  context->limitFrameFormat = TRUE;
114  return OI_OK;
115}
116
117/**
118@}
119*/
120