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| author | James Dong <jdong@google.com> | 2010-05-14 15:45:22 -0700 |
|---|---|---|
| committer | James Dong <jdong@google.com> | 2010-05-19 07:21:25 -0700 |
| commit | 956c553ab0ce72f8074ad0fda2ffd66a0305700c (patch) | |
| tree | fe111ecd29e01c270246f5f338c56806d6d5b136 /media/libstagefright/codecs/aacenc/inc/psy_const.h | |
| parent | e1f61055b4abb96a86d1ff24b5a7777dfe40fe5f (diff) | |
| download | frameworks_av-956c553ab0ce72f8074ad0fda2ffd66a0305700c.zip frameworks_av-956c553ab0ce72f8074ad0fda2ffd66a0305700c.tar.gz frameworks_av-956c553ab0ce72f8074ad0fda2ffd66a0305700c.tar.bz2 | |
Initial software encoder checkins
Change-Id: I27f387db23594e46384c4eb3a0093ce220bb6b60
Diffstat (limited to 'media/libstagefright/codecs/aacenc/inc/psy_const.h')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/inc/psy_const.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacenc/inc/psy_const.h b/media/libstagefright/codecs/aacenc/inc/psy_const.h new file mode 100644 index 0000000..5455ab1 --- /dev/null +++ b/media/libstagefright/codecs/aacenc/inc/psy_const.h @@ -0,0 +1,80 @@ +/*
+ ** 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 */ |