alaw_lut.h 1.58 KB
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/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
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 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
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 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * 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.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

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/*! \file PHY/TOOLS/ALAW/alaw_lut.h
* \brief 
* \author S. Sandeep Kumar, Raymond Knopp
* \date 2016
* \version 0.1
* \company Eurecom
* \email: ee13b1025@iith.ac.in, knopp@eurecom.fr 
* \note
* \warning
*/

// Linear to ALaw
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// 16 bit signed integer (typecasted as uint16_t) to 8 bit unsigned integer
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extern const uint8_t lin2alaw_if4p5[65536];
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// ALaw to Linear
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// 8 bit unsigned integer to 16 bit signed integer (typecasted as uint16_t)
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extern const uint16_t alaw2lin_if4p5[256];
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extern const uint8_t lin2alaw_if5[65536];
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extern const uint16_t alaw2lin_if5[256];
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