eden-emu/opus
15
0
Fork 0
mirror of https://github.com/xiph/opus.git synced 2025-06-04 09:37:44 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Fixes a fixed-point stereo savings issue causing a celt_ilog2(0)

Browse source
This commit is contained in:
Jean-Marc Valin 2012-10-09 15:07:53 -04:00
parent 5f4b8dd198
commit 02dcf6aad8
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
celt/celt.c
View file

@ -895,6 +895,7 @@ static int alloc_trim_analysis(const CELTMode *m, const celt_norm *X,
sum = ADD16(sum, EXTRACT16(SHR32(partial, 18)));
}
sum = MULT16_16_Q15(QCONST16(1.f/8, 15), sum);
sum = MIN16(QCONST16(1.f, 10), ABS16(sum));
minXC = sum;
for (i=8;i<intensity;i++)
{
@ -902,8 +903,9 @@ static int alloc_trim_analysis(const CELTMode *m, const celt_norm *X,
opus_val32 partial = 0;
for (j=m->eBands[i]<<LM;j<m->eBands[i+1]<<LM;j++)
partial = MAC16_16(partial, X[j], X[N0+j]);
minXC = MIN16(minXC, EXTRACT16(SHR32(partial, 18)));
minXC = MIN16(minXC, ABS16(EXTRACT16(SHR32(partial, 18))));
}
minXC = MIN16(QCONST16(1.f, 10), ABS16(minXC));
/*printf ("%f\n", sum);*/
if (sum > QCONST16(.995f,10))
trim_index-=4;