1. arrange the order of profile ID enums 2. add directory "external" and move SBC codec source into it
198 lines
6 KiB
C
198 lines
6 KiB
C
/******************************************************************************
|
|
*
|
|
* 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 "sbc_encoder.h"
|
|
/*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
|