| /*
|
| ** 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: line_pe.h
|
|
|
| Content: Perceptual entropie module structure and functions
|
|
|
| *******************************************************************************/ |
| |
| #ifndef __LINE_PE_H |
| #define __LINE_PE_H |
| |
| |
| #include "psy_const.h" |
| #include "interface.h" |
| |
| |
| typedef struct { |
| Word16 sfbLdEnergy[MAX_GROUPED_SFB]; /* 4*log(sfbEnergy)/log(2) */ |
| Word16 sfbNLines4[MAX_GROUPED_SFB]; /* 4*number of relevant lines in sfb */ |
| Word16 sfbPe[MAX_GROUPED_SFB]; /* pe for each sfb */ |
| Word16 sfbConstPart[MAX_GROUPED_SFB]; /* constant part for each sfb */ |
| Word16 sfbNActiveLines[MAX_GROUPED_SFB]; /* number of active lines in sfb */ |
| Word16 pe; /* sum of sfbPe */ |
| Word16 constPart; /* sum of sfbConstPart */ |
| Word16 nActiveLines; /* sum of sfbNActiveLines */ |
| } PE_CHANNEL_DATA; /* size Word16: 303 */ |
| |
| |
| typedef struct { |
| PE_CHANNEL_DATA peChannelData[MAX_CHANNELS]; |
| Word16 pe; |
| Word16 constPart; |
| Word16 nActiveLines; |
| Word16 offset; |
| Word16 ahFlag[MAX_CHANNELS][MAX_GROUPED_SFB]; |
| Word32 thrExp[MAX_CHANNELS][MAX_GROUPED_SFB]; |
| Word32 sfbPeFactors[MAX_CHANNELS][MAX_GROUPED_SFB]; |
| } PE_DATA; /* size Word16: 303 + 4 + 120 + 240 = 667 */ |
| |
| |
| |
| |
| void prepareSfbPe(PE_DATA *peData, |
| PSY_OUT_CHANNEL psyOutChannel[MAX_CHANNELS], |
| Word16 logSfbEnergy[MAX_CHANNELS][MAX_GROUPED_SFB], |
| Word16 sfbNRelevantLines[MAX_CHANNELS][MAX_GROUPED_SFB], |
| const Word16 nChannels, |
| const Word16 peOffset); |
| |
| |
| |
| |
| |
| void calcSfbPe(PE_DATA *peData, |
| PSY_OUT_CHANNEL psyOutChannel[MAX_CHANNELS], |
| const Word16 nChannels); |
| |
| |
| |
| |
| #endif |