- Bring speex codec up to date with their SVN trunk

- Speex codec should work in FIXED_POINT mode when PJ_HAS_FLOATING_POINT is set to zero.
- ulaw2linear will return zero if zero is given (this would make the VAD works better, and it also fixed click noise when call is established/hangup).




git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@628 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 10 insertions, 0 deletions

diff --git a/pjmedia/src/pjmedia-codec/speex/filters_arm4.h b/pjmedia/src/pjmedia-codec/speex/filters_arm4.h
index b2503649..ac4d7a93 100644
--- a/pjmedia/src/pjmedia-codec/speex/filters_arm4.h
+++ b/pjmedia/src/pjmedia-codec/speex/filters_arm4.h
@@ -101,6 +101,8 @@ void filter_mem2(const spx_sig_t *x, const spx_coef_t *num, const spx_coef_t *de
    int i,j;
    spx_sig_t xi,yi,nyi;
 
+   for (i=0;i<ord;i++)
+      mem[i] = SHR32(mem[i],1);   
    for (i=0;i<N;i++)
    {
       int deadm, deadn, deadd, deadidx, x1, y1, dead1, dead2, dead3, dead4, dead5, dead6;
@@ -252,6 +254,8 @@ void filter_mem2(const spx_sig_t *x, const spx_coef_t *num, const spx_coef_t *de
          : "cc", "memory");
    
    }
+   for (i=0;i<ord;i++)
+      mem[i] = SHL32(mem[i],1);   
 }
 
 #define OVERRIDE_IIR_MEM2
@@ -260,6 +264,9 @@ void iir_mem2(const spx_sig_t *x, const spx_coef_t *den, spx_sig_t *y, int N, in
    int i,j;
    spx_sig_t xi,yi,nyi;
 
+   for (i=0;i<ord;i++)
+      mem[i] = SHR32(mem[i],1);   
+
    for (i=0;i<N;i++)
    {
       int deadm, deadd, deadidx, dead1, dead2, dead3, dead4, dead5, dead6;
@@ -376,4 +383,7 @@ void iir_mem2(const spx_sig_t *x, const spx_coef_t *den, spx_sig_t *y, int N, in
          : "cc", "memory");
    
    }
+   for (i=0;i<ord;i++)
+      mem[i] = SHL32(mem[i],1);   
+
 }