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author | James Dong <jdong@google.com> | 2010-05-14 15:45:22 -0700 |
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committer | James Dong <jdong@google.com> | 2010-05-19 07:21:25 -0700 |
commit | 956c553ab0ce72f8074ad0fda2ffd66a0305700c (patch) | |
tree | fe111ecd29e01c270246f5f338c56806d6d5b136 /media/libstagefright/codecs/aacenc/inc/line_pe.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/line_pe.h')
-rw-r--r-- | media/libstagefright/codecs/aacenc/inc/line_pe.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacenc/inc/line_pe.h b/media/libstagefright/codecs/aacenc/inc/line_pe.h new file mode 100644 index 0000000..fed938b --- /dev/null +++ b/media/libstagefright/codecs/aacenc/inc/line_pe.h @@ -0,0 +1,75 @@ +/*
+ ** 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 |