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in FLAC__lpc_quantize_coefficients(), clip shift to max_shiftlimit

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This commit is contained in:
Josh Coalson
2007-02-04 04:18:55 +00:00
parent db3a0e78e3
commit ddd0d51137
1 changed files with 4 additions and 12 deletions
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10
src/libFLAC/lpc.c
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@@ -185,19 +185,11 @@ int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order,
log2cmax--; log2cmax--;
*shift = (int)precision - log2cmax - 1; *shift = (int)precision - log2cmax - 1;
if(*shift < min_shiftlimit || *shift > max_shiftlimit) {
#ifdef FLAC__OVERFLOW_DETECT
fprintf(stderr,"FLAC__lpc_quantize_coefficients: shift out of limit: shift=%d cmax=%f precision=%u\n",*shift,cmax,precision+1);
#endif
#if 0
/*@@@ this does not seem to help at all, but was not extensively tested either: */
if(*shift > max_shiftlimit) if(*shift > max_shiftlimit)
*shift = max_shiftlimit; *shift = max_shiftlimit;
else else if(*shift < min_shiftlimit)
#endif
return 1; return 1;
} }
}
if(*shift >= 0) { if(*shift >= 0) {
FLAC__double error = 0.0; FLAC__double error = 0.0;