Update fdk to v2.0.2

1 files changed, 60 insertions, 73 deletions

diff --git a/fdk-aac/libSBRdec/src/sbrdecoder.cpp b/fdk-aac/libSBRdec/src/sbrdecoder.cpp
index c827ced..b101a4a 100644
--- a/fdk-aac/libSBRdec/src/sbrdecoder.cpp
+++ b/fdk-aac/libSBRdec/src/sbrdecoder.cpp
@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------------
 Software License for The Fraunhofer FDK AAC Codec Library for Android
 
-© Copyright  1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright  1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
 Forschung e.V. All rights reserved.
 
  1.    INTRODUCTION
@@ -143,24 +143,22 @@ amm-info@iis.fraunhofer.de
 #include "env_extr.h"
 #include "sbr_dec.h"
 #include "env_dec.h"
-#include "sbr_crc.h"
+#include "FDK_crc.h"
 #include "sbr_ram.h"
 #include "sbr_rom.h"
 #include "lpp_tran.h"
 #include "transcendent.h"
 
-#include "FDK_crc.h"
-
 #include "sbrdec_drc.h"
 
 #include "psbitdec.h"
 
 /* Decoder library info */
 #define SBRDECODER_LIB_VL0 3
-#define SBRDECODER_LIB_VL1 0
+#define SBRDECODER_LIB_VL1 1
 #define SBRDECODER_LIB_VL2 0
 #define SBRDECODER_LIB_TITLE "SBR Decoder"
-#ifdef __ANDROID__
+#ifdef SUPPRESS_BUILD_DATE_INFO
 #define SBRDECODER_LIB_BUILD_DATE ""
 #define SBRDECODER_LIB_BUILD_TIME ""
 #else
@@ -619,10 +617,6 @@ SBR_ERROR sbrDecoder_InitElement(
       self->numSbrChannels -= self->pSbrElement[elementIndex]->nChannels;
     }
 
-    /* Save element ID for sanity checks and to have a fallback for concealment.
-     */
-    self->pSbrElement[elementIndex]->elementID = elementID;
-
     /* Determine amount of channels for this element */
     switch (elementID) {
       case ID_NONE:
@@ -655,12 +649,16 @@ SBR_ERROR sbrDecoder_InitElement(
     }
 
     /* Sanity check to avoid memory leaks */
-    if (elChannels < self->pSbrElement[elementIndex]->nChannels) {
+    if (elChannels < self->pSbrElement[elementIndex]->nChannels ||
+        (self->numSbrChannels + elChannels) > (8) + (1)) {
       self->numSbrChannels += self->pSbrElement[elementIndex]->nChannels;
       sbrError = SBRDEC_PARSE_ERROR;
       goto bail;
     }
 
+    /* Save element ID for sanity checks and to have a fallback for concealment.
+     */
+    self->pSbrElement[elementIndex]->elementID = elementID;
     self->pSbrElement[elementIndex]->nChannels = elChannels;
 
     for (ch = 0; ch < elChannels; ch++) {
@@ -1134,18 +1132,22 @@ SBR_ERROR sbrDecoder_Parse(HANDLE_SBRDECODER self, HANDLE_FDK_BITSTREAM hBs,
   SBR_HEADER_STATUS headerStatus = HEADER_NOT_PRESENT;
 
   INT startPos = FDKgetValidBits(hBs);
-  INT CRCLen = 0;
+  FDK_CRCINFO crcInfo;
+  INT crcReg = 0;
+  USHORT sbrCrc = 0;
+  UINT crcPoly;
+  UINT crcStartValue = 0;
+  UINT crcLen;
+
   HANDLE_FDK_BITSTREAM hBsOriginal = hBs;
   FDK_BITSTREAM bsBwd;
 
-  FDK_CRCINFO crcInfo;
-  INT crcReg = 0;
-  USHORT drmSbrCrc = 0;
   const int fGlobalIndependencyFlag = acFlags & AC_INDEP;
   const int bs_pvc = acElFlags[elementIndex] & AC_EL_USAC_PVC;
   const int bs_interTes = acElFlags[elementIndex] & AC_EL_USAC_ITES;
   int stereo;
   int fDoDecodeSbrData = 1;
+  int alignBits = 0;
 
   int lastSlot, lastHdrSlot = 0, thisHdrSlot = 0;
 
@@ -1277,27 +1279,23 @@ SBR_ERROR sbrDecoder_Parse(HANDLE_SBRDECODER self, HANDLE_FDK_BITSTREAM hBs,
   if (fDoDecodeSbrData) {
     if (crcFlag) {
       switch (self->coreCodec) {
-        case AOT_ER_AAC_ELD:
-          FDKpushFor(hBs, 10);
-          /* check sbrcrc later: we don't know the payload length now */
-          break;
         case AOT_DRM_AAC:
         case AOT_DRM_SURROUND:
-          drmSbrCrc = (USHORT)FDKreadBits(hBs, 8);
-          /* Setup CRC decoder */
-          FDKcrcInit(&crcInfo, 0x001d, 0xFFFF, 8);
-          /* Start CRC region */
-          crcReg = FDKcrcStartReg(&crcInfo, hBs, 0);
+          crcPoly = 0x001d;
+          crcLen = 8;
+          crcStartValue = 0x000000ff;
           break;
         default:
-          CRCLen = bsPayLen - 10; /* change: 0 => i */
-          if (CRCLen < 0) {
-            fDoDecodeSbrData = 0;
-          } else {
-            fDoDecodeSbrData = SbrCrcCheck(hBs, CRCLen);
-          }
+          crcPoly = 0x0633;
+          crcLen = 10;
+          crcStartValue = 0x00000000;
           break;
       }
+      sbrCrc = (USHORT)FDKreadBits(hBs, crcLen);
+      /* Setup CRC decoder */
+      FDKcrcInit(&crcInfo, crcPoly, crcStartValue, crcLen);
+      /* Start CRC region */
+      crcReg = FDKcrcStartReg(&crcInfo, hBs, 0);
     }
   } /* if (fDoDecodeSbrData) */
 
@@ -1450,35 +1448,6 @@ SBR_ERROR sbrDecoder_Parse(HANDLE_SBRDECODER self, HANDLE_FDK_BITSTREAM hBs,
         valBits = (INT)FDKgetValidBits(hBs);
       }
 
-      if (crcFlag) {
-        switch (self->coreCodec) {
-          case AOT_ER_AAC_ELD: {
-            /* late crc check for eld */
-            INT payloadbits =
-                (INT)startPos - (INT)FDKgetValidBits(hBs) - startPos;
-            INT crcLen = payloadbits - 10;
-            FDKpushBack(hBs, payloadbits);
-            fDoDecodeSbrData = SbrCrcCheck(hBs, crcLen);
-            FDKpushFor(hBs, crcLen);
-          } break;
-          case AOT_DRM_AAC:
-          case AOT_DRM_SURROUND:
-            /* End CRC region */
-            FDKcrcEndReg(&crcInfo, hBs, crcReg);
-            /* Check CRC */
-            if ((FDKcrcGetCRC(&crcInfo) ^ 0xFF) != drmSbrCrc) {
-              fDoDecodeSbrData = 0;
-              if (headerStatus != HEADER_NOT_PRESENT) {
-                headerStatus = HEADER_ERROR;
-                hSbrHeader->syncState = SBR_NOT_INITIALIZED;
-              }
-            }
-            break;
-          default:
-            break;
-        }
-      }
-
       /* sanity check of remaining bits */
       if (valBits < 0) {
         fDoDecodeSbrData = 0;
@@ -1489,7 +1458,7 @@ SBR_ERROR sbrDecoder_Parse(HANDLE_SBRDECODER self, HANDLE_FDK_BITSTREAM hBs,
           case AOT_AAC_LC: {
             /* This sanity check is only meaningful with General Audio
              * bitstreams */
-            int alignBits = valBits & 0x7;
+            alignBits = valBits & 0x7;
 
             if (valBits > alignBits) {
               fDoDecodeSbrData = 0;
@@ -1508,6 +1477,20 @@ SBR_ERROR sbrDecoder_Parse(HANDLE_SBRDECODER self, HANDLE_FDK_BITSTREAM hBs,
     errorStatus = SBRDEC_PARSE_ERROR;
   }
 
+  if (crcFlag && (hSbrHeader->syncState >= SBR_HEADER) && fDoDecodeSbrData) {
+    FDKpushFor(hBs, alignBits);
+    FDKcrcEndReg(&crcInfo, hBs, crcReg); /* End CRC region */
+    FDKpushBack(hBs, alignBits);
+    /* Check CRC */
+    if ((FDKcrcGetCRC(&crcInfo) ^ crcStartValue) != sbrCrc) {
+      fDoDecodeSbrData = 0;
+      if (headerStatus != HEADER_NOT_PRESENT) {
+        headerStatus = HEADER_ERROR;
+        hSbrHeader->syncState = SBR_NOT_INITIALIZED;
+      }
+    }
+  }
+
   if (!fDoDecodeSbrData) {
     /* Set error flag for this slot to trigger concealment */
     setFrameErrorFlag(self->pSbrElement[elementIndex], FRAME_ERROR);
@@ -1587,10 +1570,10 @@ bail:
  * \return SBRDEC_OK if successfull, else error code
  */
 static SBR_ERROR sbrDecoder_DecodeElement(
-    HANDLE_SBRDECODER self, QDOM_PCM *input, INT_PCM *timeData,
-    const int timeDataSize, const FDK_channelMapDescr *const mapDescr,
-    const int mapIdx, int channelIndex, const int elementIndex,
-    const int numInChannels, int *numOutChannels, const int psPossible) {
+    HANDLE_SBRDECODER self, LONG *input, LONG *timeData, const int timeDataSize,
+    const FDK_channelMapDescr *const mapDescr, const int mapIdx,
+    int channelIndex, const int elementIndex, const int numInChannels,
+    int *numOutChannels, const int psPossible) {
   SBR_DECODER_ELEMENT *hSbrElement = self->pSbrElement[elementIndex];
   HANDLE_SBR_CHANNEL *pSbrChannel =
       self->pSbrElement[elementIndex]->pSbrChannel;
@@ -1760,7 +1743,7 @@ static SBR_ERROR sbrDecoder_DecodeElement(
             timeData + offset1, strideOut, hSbrHeader, hFrameDataLeft,
             &pSbrChannel[0]->prevFrameData,
             (hSbrHeader->syncState == SBR_ACTIVE), h_ps_d, self->flags,
-            codecFrameSize);
+            codecFrameSize, self->sbrInDataHeadroom);
 
     if (stereo) {
       /* Process right channel */
@@ -1768,7 +1751,7 @@ static SBR_ERROR sbrDecoder_DecodeElement(
               timeData + offset1, NULL, NULL, strideOut, hSbrHeader,
               hFrameDataRight, &pSbrChannel[1]->prevFrameData,
               (hSbrHeader->syncState == SBR_ACTIVE), NULL, self->flags,
-              codecFrameSize);
+              codecFrameSize, self->sbrInDataHeadroom);
     }
 
     C_ALLOC_SCRATCH_END(pPsScratch, struct PS_DEC_COEFFICIENTS, 1)
@@ -1788,14 +1771,14 @@ static SBR_ERROR sbrDecoder_DecodeElement(
       int copyFrameSize =
           codecFrameSize * self->pQmfDomain->QmfDomainOut->fb.no_channels;
       copyFrameSize /= self->pQmfDomain->QmfDomainIn->fb.no_channels;
-      INT_PCM *ptr;
+      LONG *ptr;
       INT i;
       FDK_ASSERT(strideOut == 2);
 
       ptr = timeData;
       for (i = copyFrameSize >> 1; i--;) {
-        INT_PCM tmp; /* This temporal variable is required because some
-                        compilers can't do *ptr++ = *ptr++ correctly. */
+        LONG tmp; /* This temporal variable is required because some compilers
+                     can't do *ptr++ = *ptr++ correctly. */
         tmp = *ptr++;
         *ptr++ = tmp;
         tmp = *ptr++;
@@ -1808,12 +1791,13 @@ static SBR_ERROR sbrDecoder_DecodeElement(
   return errorStatus;
 }
 
-SBR_ERROR sbrDecoder_Apply(HANDLE_SBRDECODER self, INT_PCM *input,
-                           INT_PCM *timeData, const int timeDataSize,
-                           int *numChannels, int *sampleRate,
+SBR_ERROR sbrDecoder_Apply(HANDLE_SBRDECODER self, LONG *input, LONG *timeData,
+                           const int timeDataSize, int *numChannels,
+                           int *sampleRate,
                            const FDK_channelMapDescr *const mapDescr,
                            const int mapIdx, const int coreDecodedOk,
-                           UCHAR *psDecoded) {
+                           UCHAR *psDecoded, const INT inDataHeadroom,
+                           INT *outDataHeadroom) {
   SBR_ERROR errorStatus = SBRDEC_OK;
 
   int psPossible;
@@ -1850,6 +1834,9 @@ SBR_ERROR sbrDecoder_Apply(HANDLE_SBRDECODER self, INT_PCM *input,
     psPossible = 0;
   }
 
+  self->sbrInDataHeadroom = inDataHeadroom;
+  *outDataHeadroom = (INT)(8);
+
   /* Make sure that even if no SBR data was found/parsed *psDecoded is returned
    * 1 if psPossible was 0. */
   if (psPossible == 0) {