mirror of
https://github.com/espressif/esp-idf.git
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142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/******************************************************************************
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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 "bt_target.h"
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#include <oi_codec_sbc_private.h>
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#if (defined(SBC_DEC_INCLUDED) && SBC_DEC_INCLUDED == TRUE)
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OI_STATUS OI_CODEC_SBC_DecoderConfigureRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
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OI_BOOL enhanced,
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OI_UINT8 frequency,
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OI_UINT8 mode,
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OI_UINT8 subbands,
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OI_UINT8 blocks,
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OI_UINT8 alloc,
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OI_UINT8 maxBitpool)
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{
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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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OI_UINT8 bitpool,
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const OI_BYTE **frameData,
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OI_UINT32 *frameBytes,
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OI_INT16 *pcmData,
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OI_UINT32 *pcmBytes)
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{
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return internal_DecodeRaw(context,
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bitpool,
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frameData,
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frameBytes,
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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,
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OI_UINT8 subbands)
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{
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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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#endif /* #if (defined(SBC_DEC_INCLUDED) && SBC_DEC_INCLUDED == TRUE) */
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