| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| /* |
| * filterbank_tables.h |
| * |
| * Header file for variables that are defined in |
| * filterbank_tables.c. |
| * |
| */ |
| |
| #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_TABLES_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_TABLES_H_ |
| |
| #include "typedefs.h" |
| |
| /********************* Coefficient Tables ************************/ |
| |
| /* HPstcoeff_in_Q14 = {a1, a2, b1 - b0 * a1, b2 - b0 * a2}; */ |
| extern const WebRtc_Word16 WebRtcIsacfix_kHpStCoeffInQ30[8]; /* [Q30hi Q30lo Q30hi Q30lo Q35hi Q35lo Q35hi Q35lo] */ |
| |
| /* HPstcoeff_out_1_Q14 = {a1, a2, b1 - b0 * a1, b2 - b0 * a2}; */ |
| extern const WebRtc_Word16 WebRtcIsacfix_kHPStCoeffOut1Q30[8]; /* [Q30hi Q30lo Q30hi Q30lo Q35hi Q35lo Q35hi Q35lo] */ |
| |
| /* HPstcoeff_out_2_Q14 = {a1, a2, b1 - b0 * a1, b2 - b0 * a2}; */ |
| extern const WebRtc_Word16 WebRtcIsacfix_kHPStCoeffOut2Q30[8]; /* [Q30hi Q30lo Q30hi Q30lo Q35hi Q35lo Q35hi Q35lo] */ |
| |
| /* The upper channel all-pass filter factors */ |
| extern const WebRtc_Word16 WebRtcIsacfix_kUpperApFactorsQ15[2]; |
| |
| /* The lower channel all-pass filter factors */ |
| extern const WebRtc_Word16 WebRtcIsacfix_kLowerApFactorsQ15[2]; |
| |
| #endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_TABLES_H_ */ |
