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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/tns_func.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/tns_func.h')
-rw-r--r-- | media/libstagefright/codecs/aacenc/inc/tns_func.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacenc/inc/tns_func.h b/media/libstagefright/codecs/aacenc/inc/tns_func.h new file mode 100644 index 0000000..58b75b6 --- /dev/null +++ b/media/libstagefright/codecs/aacenc/inc/tns_func.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: tns_func.h
+
+ Content: TNS functions
+
+*******************************************************************************/ + +/* + Temporal noise shaping + */ +#ifndef _TNS_FUNC_H +#define _TNS_FUNC_H
+#include "typedef.h" +#include "psy_configuration.h" + +Word16 InitTnsConfigurationLong(Word32 bitrate, + Word32 samplerate, + Word16 channels, + TNS_CONFIG *tnsConfig, + PSY_CONFIGURATION_LONG *psyConfig, + Word16 active); + +Word16 InitTnsConfigurationShort(Word32 bitrate, + Word32 samplerate, + Word16 channels, + TNS_CONFIG *tnsConfig, + PSY_CONFIGURATION_SHORT *psyConfig, + Word16 active); + +Word32 TnsDetect(TNS_DATA* tnsData, + TNS_CONFIG tC, + Word32* pScratchTns, + const Word16 sfbOffset[], + Word32* spectrum, + Word16 subBlockNumber, + Word16 blockType, + Word32 * sfbEnergy); + +void TnsSync(TNS_DATA *tnsDataDest, + const TNS_DATA *tnsDataSrc, + const TNS_CONFIG tC, + const Word16 subBlockNumber, + const Word16 blockType); + +Word16 TnsEncode(TNS_INFO* tnsInfo, + TNS_DATA* tnsData, + Word16 numOfSfb, + TNS_CONFIG tC, + Word16 lowPassLine, + Word32* spectrum, + Word16 subBlockNumber, + Word16 blockType); + +void ApplyTnsMultTableToRatios(Word16 startCb, + Word16 stopCb, + TNS_SUBBLOCK_INFO subInfo, + Word32 *thresholds); + + +#endif /* _TNS_FUNC_H */ |