diff options
Diffstat (limited to 'media/libstagefright/codecs/aacenc/src/psy_main.c')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/src/psy_main.c | 218 |
1 files changed, 109 insertions, 109 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/psy_main.c b/media/libstagefright/codecs/aacenc/src/psy_main.c index 8746a72..3d0a355 100644 --- a/media/libstagefright/codecs/aacenc/src/psy_main.c +++ b/media/libstagefright/codecs/aacenc/src/psy_main.c @@ -1,27 +1,27 @@ -/*
- ** 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_main.c
-
- Content: Psychoacoustic major functions
-
+/* + ** 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_main.c + + Content: Psychoacoustic major functions + *******************************************************************************/ -#include "typedef.h"
-#include "basic_op.h"
+#include "typedef.h" +#include "basic_op.h" #include "oper_32b.h" #include "psy_const.h" #include "block_switch.h" @@ -77,27 +77,27 @@ static Word16 advancePsychShortMS (PSY_DATA psyData[MAX_CHANNELS], *****************************************************************************/ Word16 PsyNew(PSY_KERNEL *hPsy, Word32 nChan, VO_MEM_OPERATOR *pMemOP) { - Word16 i;
- Word32 *mdctSpectrum;
- Word32 *scratchTNS;
- Word16 *mdctDelayBuffer;
-
- mdctSpectrum = (Word32 *)mem_malloc(pMemOP, nChan * FRAME_LEN_LONG * sizeof(Word32), 32, VO_INDEX_ENC_AAC);
- if(NULL == mdctSpectrum)
- return 1;
-
- scratchTNS = (Word32 *)mem_malloc(pMemOP, nChan * FRAME_LEN_LONG * sizeof(Word32), 32, VO_INDEX_ENC_AAC);
- if(NULL == scratchTNS)
- {
- return 1;
- }
-
- mdctDelayBuffer = (Word16 *)mem_malloc(pMemOP, nChan * BLOCK_SWITCHING_OFFSET * sizeof(Word16), 32, VO_INDEX_ENC_AAC);
- if(NULL == mdctDelayBuffer)
- {
+ Word16 i; + Word32 *mdctSpectrum; + Word32 *scratchTNS; + Word16 *mdctDelayBuffer; + + mdctSpectrum = (Word32 *)mem_malloc(pMemOP, nChan * FRAME_LEN_LONG * sizeof(Word32), 32, VO_INDEX_ENC_AAC); + if(NULL == mdctSpectrum) + return 1; + + scratchTNS = (Word32 *)mem_malloc(pMemOP, nChan * FRAME_LEN_LONG * sizeof(Word32), 32, VO_INDEX_ENC_AAC); + if(NULL == scratchTNS) + { return 1; - }
-
+ } + + mdctDelayBuffer = (Word16 *)mem_malloc(pMemOP, nChan * BLOCK_SWITCHING_OFFSET * sizeof(Word16), 32, VO_INDEX_ENC_AAC); + if(NULL == mdctDelayBuffer) + { + return 1; + } + for (i=0; i<nChan; i++){ hPsy->psyData[i].mdctDelayBuffer = mdctDelayBuffer + i*BLOCK_SWITCHING_OFFSET; hPsy->psyData[i].mdctSpectrum = mdctSpectrum + i*FRAME_LEN_LONG; @@ -118,27 +118,27 @@ Word16 PsyNew(PSY_KERNEL *hPsy, Word32 nChan, VO_MEM_OPERATOR *pMemOP) *****************************************************************************/ Word16 PsyDelete(PSY_KERNEL *hPsy, VO_MEM_OPERATOR *pMemOP) { - Word32 nch;
-
- if(hPsy)
- {
- if(hPsy->psyData[0].mdctDelayBuffer)
- mem_free(pMemOP, hPsy->psyData[0].mdctDelayBuffer, VO_INDEX_ENC_AAC);
-
- if(hPsy->psyData[0].mdctSpectrum)
- mem_free(pMemOP, hPsy->psyData[0].mdctSpectrum, VO_INDEX_ENC_AAC);
-
- for (nch=0; nch<MAX_CHANNELS; nch++){
- hPsy->psyData[nch].mdctDelayBuffer = NULL;
- hPsy->psyData[nch].mdctSpectrum = NULL;
- }
-
- if(hPsy->pScratchTns)
- {
- mem_free(pMemOP, hPsy->pScratchTns, VO_INDEX_ENC_AAC);
- hPsy->pScratchTns = NULL;
- }
- }
+ Word32 nch; + + if(hPsy) + { + if(hPsy->psyData[0].mdctDelayBuffer) + mem_free(pMemOP, hPsy->psyData[0].mdctDelayBuffer, VO_INDEX_ENC_AAC); + + if(hPsy->psyData[0].mdctSpectrum) + mem_free(pMemOP, hPsy->psyData[0].mdctSpectrum, VO_INDEX_ENC_AAC); + + for (nch=0; nch<MAX_CHANNELS; nch++){ + hPsy->psyData[nch].mdctDelayBuffer = NULL; + hPsy->psyData[nch].mdctSpectrum = NULL; + } + + if(hPsy->pScratchTns) + { + mem_free(pMemOP, hPsy->pScratchTns, VO_INDEX_ENC_AAC); + hPsy->pScratchTns = NULL; + } + } return 0; } @@ -196,10 +196,10 @@ Word16 psyMainInit(PSY_KERNEL *hPsy, err = InitPsyConfigurationLong(channelBitRate, sampleRate, bandwidth, - &(hPsy->psyConfLong));
-
+ &(hPsy->psyConfLong)); + if (!err) { - hPsy->sampleRateIdx = hPsy->psyConfLong.sampRateIdx;
+ hPsy->sampleRateIdx = hPsy->psyConfLong.sampRateIdx; err = InitTnsConfigurationLong(bitRate, sampleRate, channels, &hPsy->psyConfLong.tnsConf, &hPsy->psyConfLong, tnsMask&2); } @@ -263,7 +263,7 @@ Word16 psyMain(Word16 nChannels, channels = elemInfo->nChannelsInEl; maxScale = 0; - /* block switching */
+ /* block switching */ for(ch = 0; ch < channels; ch++) { BlockSwitching(&psyData[ch].blockSwitchingControl, timeSignal+elemInfo->ChannelIndex[ch], @@ -477,11 +477,11 @@ static Word16 advancePsychLong(PSY_DATA* psyData, { Word32 i; Word32 normEnergyShift = (psyData->mdctScale + 1) << 1; /* in reference code, mdct spectrum must be multipied with 2, so +1 */ - Word32 clipEnergy = hPsyConfLong->clipEnergy >> normEnergyShift;
+ Word32 clipEnergy = hPsyConfLong->clipEnergy >> normEnergyShift; Word32 *data0, *data1, tdata; /* low pass */ - data0 = psyData->mdctSpectrum + hPsyConfLong->lowpassLine;
+ data0 = psyData->mdctSpectrum + hPsyConfLong->lowpassLine; for(i=hPsyConfLong->lowpassLine; i<FRAME_LEN_LONG; i++) { *data0++ = 0; } @@ -525,11 +525,11 @@ static Word16 advancePsychLong(PSY_DATA* psyData, psyData->blockSwitchingControl.windowSequence); /* first part of threshold calculation */ - data0 = psyData->sfbEnergy.sfbLong;
- data1 = psyData->sfbThreshold.sfbLong;
+ data0 = psyData->sfbEnergy.sfbLong; + data1 = psyData->sfbThreshold.sfbLong; for (i=hPsyConfLong->sfbCnt; i; i--) { tdata = L_mpy_ls(*data0++, hPsyConfLong->ratio); - *data1++ = min(tdata, clipEnergy);
+ *data1++ = min(tdata, clipEnergy); } /* Calc sfb-bandwise mdct-energies for left and right channel again */ @@ -540,12 +540,12 @@ static Word16 advancePsychLong(PSY_DATA* psyData, hPsyConfLong->sfbActive - tnsStartBand, psyData->sfbEnergy.sfbLong+tnsStartBand, &psyData->sfbEnergySum.sfbLong); -
- data0 = psyData->sfbEnergy.sfbLong;
- tdata = psyData->sfbEnergySum.sfbLong;
+ + data0 = psyData->sfbEnergy.sfbLong; + tdata = psyData->sfbEnergySum.sfbLong; for (i=0; i<tnsStartBand; i++) - tdata += *data0++;
-
+ tdata += *data0++; + psyData->sfbEnergySum.sfbLong = tdata; } @@ -557,20 +557,20 @@ static Word16 advancePsychLong(PSY_DATA* psyData, psyData->sfbThreshold.sfbLong); /* threshold in quiet */ - data0 = psyData->sfbThreshold.sfbLong;
- data1 = hPsyConfLong->sfbThresholdQuiet;
+ data0 = psyData->sfbThreshold.sfbLong; + data1 = hPsyConfLong->sfbThresholdQuiet; for (i=hPsyConfLong->sfbCnt; i; i--) - {
- *data0 = max(*data0, (*data1 >> normEnergyShift));
- data0++; data1++;
+ { + *data0 = max(*data0, (*data1 >> normEnergyShift)); + data0++; data1++; } /* preecho control */ if (psyData->blockSwitchingControl.windowSequence == STOP_WINDOW) { - data0 = psyData->sfbThresholdnm1;
- for (i=hPsyConfLong->sfbCnt; i; i--) {
- *data0++ = MAX_32;
- }
+ data0 = psyData->sfbThresholdnm1; + for (i=hPsyConfLong->sfbCnt; i; i--) { + *data0++ = MAX_32; + } psyData->mdctScalenm1 = 0; } @@ -585,7 +585,7 @@ static Word16 advancePsychLong(PSY_DATA* psyData, if (psyData->blockSwitchingControl.windowSequence== START_WINDOW) { - data0 = psyData->sfbThresholdnm1;
+ data0 = psyData->sfbThresholdnm1; for (i=hPsyConfLong->sfbCnt; i; i--) { *data0++ = MAX_32; } @@ -600,10 +600,10 @@ static Word16 advancePsychLong(PSY_DATA* psyData, /* spreaded energy */ - data0 = psyData->sfbSpreadedEnergy.sfbLong;
- data1 = psyData->sfbEnergy.sfbLong;
+ data0 = psyData->sfbSpreadedEnergy.sfbLong; + data1 = psyData->sfbEnergy.sfbLong; for (i=hPsyConfLong->sfbCnt; i; i--) { - //psyData->sfbSpreadedEnergy.sfbLong[i] = psyData->sfbEnergy.sfbLong[i];
+ //psyData->sfbSpreadedEnergy.sfbLong[i] = psyData->sfbEnergy.sfbLong[i]; *data0++ = *data1++; } @@ -657,14 +657,14 @@ static Word16 advancePsychShort(PSY_DATA* psyData, Word32 w; Word32 normEnergyShift = (psyData->mdctScale + 1) << 1; /* in reference code, mdct spectrum must be multipied with 2, so +1 */ Word32 clipEnergy = hPsyConfShort->clipEnergy >> normEnergyShift; - Word32 wOffset = 0;
+ Word32 wOffset = 0; Word32 *data0, *data1; for(w = 0; w < TRANS_FAC; w++) { Word32 i, tdata; /* low pass */ - data0 = psyData->mdctSpectrum + wOffset + hPsyConfShort->lowpassLine;
+ data0 = psyData->mdctSpectrum + wOffset + hPsyConfShort->lowpassLine; for(i=hPsyConfShort->lowpassLine; i<FRAME_LEN_SHORT; i++){ *data0++ = 0; } @@ -706,11 +706,11 @@ static Word16 advancePsychShort(PSY_DATA* psyData, psyData->blockSwitchingControl.windowSequence); /* first part of threshold calculation */ - data0 = psyData->sfbThreshold.sfbShort[w];
- data1 = psyData->sfbEnergy.sfbShort[w];
+ data0 = psyData->sfbThreshold.sfbShort[w]; + data1 = psyData->sfbEnergy.sfbShort[w]; for (i=hPsyConfShort->sfbCnt; i; i--) { tdata = L_mpy_ls(*data1++, hPsyConfShort->ratio); - *data0++ = min(tdata, clipEnergy);
+ *data0++ = min(tdata, clipEnergy); } /* Calc sfb-bandwise mdct-energies for left and right channel again */ @@ -720,13 +720,13 @@ static Word16 advancePsychShort(PSY_DATA* psyData, hPsyConfShort->sfbOffset+tnsStartBand, (hPsyConfShort->sfbActive - tnsStartBand), psyData->sfbEnergy.sfbShort[w]+tnsStartBand, - &psyData->sfbEnergySum.sfbShort[w]);
+ &psyData->sfbEnergySum.sfbShort[w]); - tdata = psyData->sfbEnergySum.sfbShort[w];
- data0 = psyData->sfbEnergy.sfbShort[w];
+ tdata = psyData->sfbEnergySum.sfbShort[w]; + data0 = psyData->sfbEnergy.sfbShort[w]; for (i=tnsStartBand; i; i--) - tdata += *data0++;
-
+ tdata += *data0++; + psyData->sfbEnergySum.sfbShort[w] = tdata; } @@ -738,14 +738,14 @@ static Word16 advancePsychShort(PSY_DATA* psyData, /* threshold in quiet */ - data0 = psyData->sfbThreshold.sfbShort[w];
- data1 = hPsyConfShort->sfbThresholdQuiet;
+ data0 = psyData->sfbThreshold.sfbShort[w]; + data1 = hPsyConfShort->sfbThresholdQuiet; for (i=hPsyConfShort->sfbCnt; i; i--) - {
- *data0 = max(*data0, (*data1 >> normEnergyShift));
-
- data0++; data1++;
- }
+ { + *data0 = max(*data0, (*data1 >> normEnergyShift)); + + data0++; data1++; + } /* preecho */ @@ -764,8 +764,8 @@ static Word16 advancePsychShort(PSY_DATA* psyData, psyData->sfbThreshold.sfbShort[w]); /* spreaded energy */ - data0 = psyData->sfbSpreadedEnergy.sfbShort[w];
- data1 = psyData->sfbEnergy.sfbShort[w];
+ data0 = psyData->sfbSpreadedEnergy.sfbShort[w]; + data1 = psyData->sfbEnergy.sfbShort[w]; for (i=hPsyConfShort->sfbCnt; i; i--) { *data0++ = *data1++; } |