| /*
|
| ** Copyright 2003-2010, VisualOn, Inc.
|
| **
|
| ** 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.
|
| */
|
| /*******************************************************************************
|
| File: psy_configuration.h
|
|
|
| Content: Psychoaccoustic configuration structure and functions
|
|
|
| *******************************************************************************/ |
| |
| #ifndef _PSY_CONFIGURATION_H |
| #define _PSY_CONFIGURATION_H |
|
|
| #include "typedefs.h" |
| #include "psy_const.h" |
| #include "tns.h" |
| |
| typedef struct{ |
| |
| Word16 sfbCnt; |
| Word16 sfbActive; /* number of sf bands containing energy after lowpass */ |
| Word16 *sfbOffset; |
| |
| Word32 sfbThresholdQuiet[MAX_SFB_LONG]; |
| |
| Word16 maxAllowedIncreaseFactor; /* preecho control */ |
| Word16 minRemainingThresholdFactor; |
| |
| Word16 lowpassLine;
|
| Word16 sampRateIdx; |
| Word32 clipEnergy; /* for level dependend tmn */ |
| |
| Word16 ratio; |
| Word16 sfbMaskLowFactor[MAX_SFB_LONG]; |
| Word16 sfbMaskHighFactor[MAX_SFB_LONG]; |
| |
| Word16 sfbMaskLowFactorSprEn[MAX_SFB_LONG]; |
| Word16 sfbMaskHighFactorSprEn[MAX_SFB_LONG]; |
| |
| |
| Word16 sfbMinSnr[MAX_SFB_LONG]; /* minimum snr (formerly known as bmax) */ |
| |
| TNS_CONFIG tnsConf; |
| |
| }PSY_CONFIGURATION_LONG; /*Word16 size: 8 + 52 + 102 + 51 + 51 + 51 + 51 + 47 = 515 */ |
| |
| |
| typedef struct{ |
| |
| Word16 sfbCnt; |
| Word16 sfbActive; /* number of sf bands containing energy after lowpass */ |
| Word16 *sfbOffset; |
| |
| Word32 sfbThresholdQuiet[MAX_SFB_SHORT]; |
| |
| Word16 maxAllowedIncreaseFactor; /* preecho control */ |
| Word16 minRemainingThresholdFactor; |
| |
| Word16 lowpassLine;
|
| Word16 sampRateIdx; |
| Word32 clipEnergy; /* for level dependend tmn */ |
| |
| Word16 ratio; |
| Word16 sfbMaskLowFactor[MAX_SFB_SHORT]; |
| Word16 sfbMaskHighFactor[MAX_SFB_SHORT]; |
| |
| Word16 sfbMaskLowFactorSprEn[MAX_SFB_SHORT]; |
| Word16 sfbMaskHighFactorSprEn[MAX_SFB_SHORT]; |
| |
| |
| Word16 sfbMinSnr[MAX_SFB_SHORT]; /* minimum snr (formerly known as bmax) */ |
| |
| TNS_CONFIG tnsConf; |
| |
| }PSY_CONFIGURATION_SHORT; /*Word16 size: 8 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 47 = 167 */ |
|
|
|
|
| /* Returns the sample rate index */
|
| Word32 GetSRIndex(Word32 sampleRate);
|
| |
| |
| Word16 InitPsyConfigurationLong(Word32 bitrate, |
| Word32 samplerate, |
| Word16 bandwidth, |
| PSY_CONFIGURATION_LONG *psyConf); |
| |
| Word16 InitPsyConfigurationShort(Word32 bitrate, |
| Word32 samplerate, |
| Word16 bandwidth, |
| PSY_CONFIGURATION_SHORT *psyConf); |
| |
| #endif /* _PSY_CONFIGURATION_H */ |
| |
| |
| |