mirror of https://github.com/tasks/tasks
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
13 years ago
|
/*
|
||
|
|
** 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 */
|
||
|
|
const 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 */
|
||
|
|
const 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 */
|
||
|
|
|
||
|
|
|
||
|
|
|