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OVMS3-idf/components/bt/bluedroid/external/sbc/encoder/srce/sbc_dct_coeffs.c
Tian Hao adada3f67e component/bt : modify header files to avoid conflict 
1. add the L1 include path with a prefix, such like osi/list.h, stack/a2d_api.h and etc.
2. modify component, only bluedroid/api/include/api is export to another component and application,
   other include path just for bluedroid used
3. put bluedroid/include into common/include/common, so the root directory of bluedroid have no include path.
4. modify doxygen to use esp_bt.h and redirect to
component/bt/bluedroid/api/include/api/

fix compile
2018-04-26 19:32:06 +08:00

204 lines
6.1 KiB
C
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/******************************************************************************
*
* 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) */
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