text: /******************************************************************************
   *
   *  Copyright (C) 1999-2012 Broadcom Corporation
   *
   *  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.
   *
   ******************************************************************************/
  
  /******************************************************************************
   *
   *  This file contains the coefficient table used for DCT computation in
   *  analysis.
   *
   ******************************************************************************/
  #include "common/bt_target.h"
  #include "sbc_encoder.h"
  
  #if (defined(SBC_ENC_INCLUDED) && SBC_ENC_INCLUDED == TRUE)
  
  /*DCT coeff for 4 sub-band case.*/
  #if (SBC_FAST_DCT == FALSE)
  const SINT16 gas16AnalDCTcoeff4[] = {
      (SINT16)(0.7071 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(0.9239 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(0.0000 * 32768),
      (SINT16)(-0.3827 * 32768),
  
      (SINT16)(-0.7071 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(0.3827 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(0.9239 * 32768),
  
      (SINT16)(-0.7071 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(0.0000 * 32768),
      (SINT16)(-0.9239 * 32768),
  
      (SINT16)(0.7071 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(0.3827 * 32768)
  };
  
  /*DCT coeff for 8 sub-band case.*/
  const SINT16 gas16AnalDCTcoeff8[] = {
      (SINT16)(0.7071 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(0.9808 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(0.5556 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(0.0000 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(0.8315 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(0.5556 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(0.5556 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(0.5556 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(0.0000 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(0.1951 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(0.5556 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(0.5556 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(0.0000 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(0.8315 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(-0.7071 * 32768),
      (SINT16)(0.9808 * 32768),
      (SINT16)(-0.9239 * 32768),
      (SINT16)(0.5556 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(1.0000 * 32767),
      (SINT16)(-0.9808 * 32768),
      (SINT16)(0.9239 * 32768),
      (SINT16)(-0.8315 * 32768),
      (SINT16)(0.7071 * 32768),
      (SINT16)(-0.5556 * 32768),
      (SINT16)(0.3827 * 32768),
      (SINT16)(-0.1951 * 32768),
      (SINT16)(-0.0000 * 32768),
      (SINT16)(0.1951 * 32768),
      (SINT16)(-0.3827 * 32768),
      (SINT16)(0.5556 * 32768)
  };
  #endif
  
  #endif /* #if (defined(SBC_ENC_INCLUDED) && SBC_ENC_INCLUDED == TRUE) */
  