diff options
Diffstat (limited to 'media/libstagefright/codecs/aacenc/src/tns.c')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/src/tns.c | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/tns.c b/media/libstagefright/codecs/aacenc/src/tns.c index 5172612..27c3971 100644 --- a/media/libstagefright/codecs/aacenc/src/tns.c +++ b/media/libstagefright/codecs/aacenc/src/tns.c @@ -140,7 +140,7 @@ Word16 InitTnsConfigurationLong(Word32 bitRate, /*!< bitrate */ Word16 active) /*!< tns active flag */ { - Word32 bitratePerChannel; + Word32 bitratePerChannel __unused; tC->maxOrder = TNS_MAX_ORDER; tC->tnsStartFreq = 1275; tC->coefRes = 4; @@ -206,7 +206,7 @@ Word16 InitTnsConfigurationShort(Word32 bitRate, /*!< bitrate */ PSY_CONFIGURATION_SHORT *pC, /*!< psy config struct */ Word16 active) /*!< tns active flag */ { - Word32 bitratePerChannel; + Word32 bitratePerChannel __unused; tC->maxOrder = TNS_MAX_ORDER_SHORT; tC->tnsStartFreq = 2750; tC->coefRes = 3; @@ -497,36 +497,6 @@ Word16 TnsEncode(TNS_INFO* tnsInfo, /*!< tns info structure (modified) */ /***************************************************************************** * -* function name: m_pow2_cordic -* description: Iterative power function -* -* Calculates pow(2.0,x-1.0*(scale+1)) with INT_BITS bit precision -* using modified cordic algorithm -* returns: the result of pow2 -* -*****************************************************************************/ -static Word32 m_pow2_cordic(Word32 x, Word16 scale) -{ - Word32 k; - - Word32 accu_y = 0x40000000; - accu_y = L_shr(accu_y,scale); - - for(k=1; k<INT_BITS; k++) { - const Word32 z = m_log2_table[k]; - - while(L_sub(x,z) >= 0) { - - x = L_sub(x, z); - accu_y = L_add(accu_y, (accu_y >> k)); - } - } - return(accu_y); -} - - -/***************************************************************************** -* * function name: CalcWeightedSpectrum * description: Calculate weighted spectrum for LPC calculation * |