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119 lines
3.4 KiB
119 lines
3.4 KiB
/****************************************************************************** |
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* |
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* Copyright (C) 2014 The Android Open Source Project |
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* Copyright 2006 Open Interface North America, Inc. All rights reserved. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at: |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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******************************************************************************/ |
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/******************************************************************************* |
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$Revision: #1 $ |
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******************************************************************************/ |
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/** |
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@file |
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This file exposes OINA-specific interfaces to decoder functions. |
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@ingroup codec_internal |
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*/ |
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/** |
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@addtogroup codec_internal |
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@{ |
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*/ |
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#include <oi_codec_sbc_private.h> |
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OI_STATUS OI_CODEC_SBC_DecoderConfigureRaw( |
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OI_CODEC_SBC_DECODER_CONTEXT* context, OI_BOOL enhanced, uint8_t frequency, |
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uint8_t mode, uint8_t subbands, uint8_t blocks, uint8_t alloc, |
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uint8_t maxBitpool) { |
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if (frequency > SBC_FREQ_48000) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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if (enhanced) { |
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#ifdef SBC_ENHANCED |
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if (subbands != SBC_SUBBANDS_8) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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#else |
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return OI_STATUS_INVALID_PARAMETERS; |
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#endif |
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} |
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if (mode > SBC_JOINT_STEREO) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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if (subbands > SBC_SUBBANDS_8) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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if (blocks > SBC_BLOCKS_16) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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if (alloc > SBC_SNR) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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#ifdef SBC_ENHANCED |
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context->common.frameInfo.enhanced = enhanced; |
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#else |
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context->common.frameInfo.enhanced = FALSE; |
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#endif |
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context->common.frameInfo.freqIndex = frequency; |
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context->common.frameInfo.mode = mode; |
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context->common.frameInfo.subbands = subbands; |
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context->common.frameInfo.blocks = blocks; |
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context->common.frameInfo.alloc = alloc; |
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context->common.frameInfo.bitpool = maxBitpool; |
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OI_SBC_ExpandFrameFields(&context->common.frameInfo); |
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if (context->common.frameInfo.nrof_channels >= context->common.pcmStride) { |
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return OI_STATUS_INVALID_PARAMETERS; |
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} |
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return OI_OK; |
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} |
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OI_STATUS OI_CODEC_SBC_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT* context, |
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uint8_t bitpool, const OI_BYTE** frameData, |
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uint32_t* frameBytes, int16_t* pcmData, |
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uint32_t* pcmBytes) { |
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return internal_DecodeRaw(context, bitpool, frameData, frameBytes, pcmData, |
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pcmBytes); |
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} |
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OI_STATUS OI_CODEC_SBC_DecoderLimit(OI_CODEC_SBC_DECODER_CONTEXT* context, |
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OI_BOOL enhanced, uint8_t subbands) { |
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if (enhanced) { |
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#ifdef SBC_ENHANCED |
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context->enhancedEnabled = TRUE; |
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#else |
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context->enhancedEnabled = FALSE; |
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#endif |
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} else { |
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context->enhancedEnabled = FALSE; |
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} |
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context->restrictSubbands = subbands; |
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context->limitFrameFormat = TRUE; |
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return OI_OK; |
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} |
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/** |
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@} |
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*/
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