diff options
Diffstat (limited to 'media/libstagefright/codecs/aacenc/src/line_pe.c')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/src/line_pe.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/line_pe.c b/media/libstagefright/codecs/aacenc/src/line_pe.c index da57647..5e93cd0 100644 --- a/media/libstagefright/codecs/aacenc/src/line_pe.c +++ b/media/libstagefright/codecs/aacenc/src/line_pe.c @@ -1,26 +1,26 @@ -/*
- ** 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.c
-
- Content: Perceptual entropie module functions
-
-*******************************************************************************/
- -#include "basic_op.h"
+/* + ** 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.c + + Content: Perceptual entropie module functions + +*******************************************************************************/ + +#include "basic_op.h" #include "oper_32b.h" #include "typedef.h" #include "line_pe.h" @@ -75,7 +75,7 @@ void calcSfbPe(PE_DATA *peData, Word32 ch; Word32 sfbGrp, sfb; Word32 nLines4; - Word32 ldThr, ldRatio;
+ Word32 ldThr, ldRatio; Word32 pe, constPart, nActiveLines; peData->pe = peData->offset; @@ -95,7 +95,7 @@ void calcSfbPe(PE_DATA *peData, for (sfb=0; sfb<psyOutChan->maxSfbPerGroup; sfb++) { Word32 nrg = sfbEnergy[sfbGrp+sfb]; Word32 thres = sfbThreshold[sfbGrp+sfb]; - Word32 sfbLDEn = peChanData->sfbLdEnergy[sfbGrp+sfb];
+ Word32 sfbLDEn = peChanData->sfbLdEnergy[sfbGrp+sfb]; if (nrg > thres) { ldThr = iLog4(thres); @@ -111,10 +111,10 @@ void calcSfbPe(PE_DATA *peData, } else { /* sfbPe = nl*(c2 + c3*log2(en/thr))*/ - peChanData->sfbPe[sfbGrp+sfb] = extract_l((L_mpy_wx(
- (C2_I + C3_I * ldRatio * 2) << 4, nLines4) + 4) >> 3);
- peChanData->sfbConstPart[sfbGrp+sfb] = extract_l(( L_mpy_wx(
- (C2_I + C3_I * sfbLDEn * 2) << 4, nLines4) + 4) >> 3);
+ peChanData->sfbPe[sfbGrp+sfb] = extract_l((L_mpy_wx( + (C2_I + C3_I * ldRatio * 2) << 4, nLines4) + 4) >> 3); + peChanData->sfbConstPart[sfbGrp+sfb] = extract_l(( L_mpy_wx( + (C2_I + C3_I * sfbLDEn * 2) << 4, nLines4) + 4) >> 3); nLines4 = (nLines4 * C3_I + (1024<<1)) >> 10; } peChanData->sfbNActiveLines[sfbGrp+sfb] = nLines4 >> 2; @@ -129,10 +129,10 @@ void calcSfbPe(PE_DATA *peData, nActiveLines = nActiveLines + peChanData->sfbNActiveLines[sfbGrp+sfb]; } } -
- peChanData->pe = saturate(pe);
- peChanData->constPart = saturate(constPart);
- peChanData->nActiveLines = saturate(nActiveLines);
+ + peChanData->pe = saturate(pe); + peChanData->constPart = saturate(constPart); + peChanData->nActiveLines = saturate(nActiveLines); pe += peData->pe; |