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
26 This 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 "common/bt_target.h"
37 #include <oi_codec_sbc_private.h>
38
39 #if (defined(SBC_DEC_INCLUDED) && SBC_DEC_INCLUDED == TRUE)
40
OI_CODEC_SBC_DecoderConfigureRaw(OI_CODEC_SBC_DECODER_CONTEXT * context,OI_BOOL enhanced,OI_UINT8 frequency,OI_UINT8 mode,OI_UINT8 subbands,OI_UINT8 blocks,OI_UINT8 alloc,OI_UINT8 maxBitpool)41 OI_STATUS OI_CODEC_SBC_DecoderConfigureRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
42 OI_BOOL enhanced,
43 OI_UINT8 frequency,
44 OI_UINT8 mode,
45 OI_UINT8 subbands,
46 OI_UINT8 blocks,
47 OI_UINT8 alloc,
48 OI_UINT8 maxBitpool)
49 {
50 if (frequency > SBC_FREQ_48000) {
51 return OI_STATUS_INVALID_PARAMETERS;
52 }
53
54 if (enhanced) {
55 #ifdef SBC_ENHANCED
56 if (subbands != SBC_SUBBANDS_8) {
57 return OI_STATUS_INVALID_PARAMETERS;
58 }
59 #else
60 return OI_STATUS_INVALID_PARAMETERS;
61 #endif
62 }
63
64 if (mode > SBC_JOINT_STEREO) {
65 return OI_STATUS_INVALID_PARAMETERS;
66 }
67
68 if (subbands > SBC_SUBBANDS_8) {
69 return OI_STATUS_INVALID_PARAMETERS;
70 }
71
72 if (blocks > SBC_BLOCKS_16) {
73 return OI_STATUS_INVALID_PARAMETERS;
74 }
75
76 if (alloc > SBC_SNR) {
77 return OI_STATUS_INVALID_PARAMETERS;
78 }
79
80 #ifdef SBC_ENHANCED
81 context->common.frameInfo.enhanced = enhanced;
82 #else
83 context->common.frameInfo.enhanced = FALSE;
84 #endif
85 context->common.frameInfo.freqIndex = frequency;
86 context->common.frameInfo.mode = mode;
87 context->common.frameInfo.subbands = subbands;
88 context->common.frameInfo.blocks = blocks;
89 context->common.frameInfo.alloc = alloc;
90 context->common.frameInfo.bitpool = maxBitpool;
91
92 OI_SBC_ExpandFrameFields(&context->common.frameInfo);
93
94 if (context->common.frameInfo.nrof_channels >= context->common.pcmStride) {
95 return OI_STATUS_INVALID_PARAMETERS;
96 }
97
98 return OI_OK;
99 }
100
101
102
OI_CODEC_SBC_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT * context,OI_UINT8 bitpool,const OI_BYTE ** frameData,OI_UINT32 * frameBytes,OI_INT16 * pcmData,OI_UINT32 * pcmBytes)103 OI_STATUS OI_CODEC_SBC_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
104 OI_UINT8 bitpool,
105 const OI_BYTE **frameData,
106 OI_UINT32 *frameBytes,
107 OI_INT16 *pcmData,
108 OI_UINT32 *pcmBytes)
109 {
110 return internal_DecodeRaw(context,
111 bitpool,
112 frameData,
113 frameBytes,
114 pcmData,
115 pcmBytes);
116 }
117
OI_CODEC_SBC_DecoderLimit(OI_CODEC_SBC_DECODER_CONTEXT * context,OI_BOOL enhanced,OI_UINT8 subbands)118 OI_STATUS OI_CODEC_SBC_DecoderLimit(OI_CODEC_SBC_DECODER_CONTEXT *context,
119 OI_BOOL enhanced,
120 OI_UINT8 subbands)
121 {
122 if (enhanced) {
123 #ifdef SBC_ENHANCED
124 context->enhancedEnabled = TRUE;
125 #else
126 context->enhancedEnabled = FALSE;
127 #endif
128 } else {
129 context->enhancedEnabled = FALSE;
130 }
131 context->restrictSubbands = subbands;
132 context->limitFrameFormat = TRUE;
133 return OI_OK;
134 }
135
136
137 /**
138 @}
139 */
140
141 #endif /* #if (defined(SBC_DEC_INCLUDED) && SBC_DEC_INCLUDED == TRUE) */
142
