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