| /* |
| ** 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_const.h |
| |
| Content: Global psychoacoustic constants structures |
| |
| *******************************************************************************/ |
| |
| #ifndef _PSYCONST_H |
| #define _PSYCONST_H |
| |
| #include "config.h" |
| |
| #define TRUE 1 |
| #define FALSE 0 |
| |
| #define FRAME_LEN_LONG AACENC_BLOCKSIZE |
| #define TRANS_FAC 8 |
| #define FRAME_LEN_SHORT (FRAME_LEN_LONG/TRANS_FAC) |
| |
| |
| |
| /* Block types */ |
| enum |
| { |
| LONG_WINDOW = 0, |
| START_WINDOW, |
| SHORT_WINDOW, |
| STOP_WINDOW |
| }; |
| |
| /* Window shapes */ |
| enum |
| { |
| SINE_WINDOW = 0, |
| KBD_WINDOW = 1 |
| }; |
| |
| /* |
| MS stuff |
| */ |
| enum |
| { |
| SI_MS_MASK_NONE = 0, |
| SI_MS_MASK_SOME = 1, |
| SI_MS_MASK_ALL = 2 |
| }; |
| |
| #define MAX_NO_OF_GROUPS 4 |
| #define MAX_SFB_SHORT 15 /* 15 for a memory optimized implementation, maybe 16 for convenient debugging */ |
| #define MAX_SFB_LONG 51 /* 51 for a memory optimized implementation, maybe 64 for convenient debugging */ |
| #define MAX_SFB (MAX_SFB_SHORT > MAX_SFB_LONG ? MAX_SFB_SHORT : MAX_SFB_LONG) /* = MAX_SFB_LONG */ |
| #define MAX_GROUPED_SFB (MAX_NO_OF_GROUPS*MAX_SFB_SHORT > MAX_SFB_LONG ? \ |
| MAX_NO_OF_GROUPS*MAX_SFB_SHORT : MAX_SFB_LONG) |
| |
| #define BLOCK_SWITCHING_OFFSET (1*1024+3*128+64+128) |
| #define BLOCK_SWITCHING_DATA_SIZE FRAME_LEN_LONG |
| |
| #define TRANSFORM_OFFSET_LONG 0 |
| #define TRANSFORM_OFFSET_SHORT 448 |
| |
| #define LOG_NORM_PCM -15 |
| |
| #define NUM_SAMPLE_RATES 12 |
| |
| #endif /* _PSYCONST_H */ |