diff options
| author | Jean-Marc Valin <jmvalin@amazon.com> | 2022-12-02 15:33:48 -0500 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@amazon.com> | 2022-12-02 15:33:48 -0500 |
| commit | d5cacaec07a22f11d21f1988a67cb4efbd771d29 (patch) | |
| tree | c3ab036dea58106ca16812505403e9813d042147 | |
| parent | f08528e5a6d595ce5c04e24bc493ada60c2b4baa (diff) | |
| download | opus-d5cacaec07a22f11d21f1988a67cb4efbd771d29.tar.gz | |
DRED: Fix infinite loop on "impossible" symbols
| -rw-r--r-- | silk/dred_coding.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/silk/dred_coding.c b/silk/dred_coding.c index d2e71c74..9b0381d2 100644 --- a/silk/dred_coding.c +++ b/silk/dred_coding.c @@ -77,6 +77,8 @@ void dred_encode_latents(ec_enc *enc, const float *x, const opus_uint16 *scale, xq = x[i]*scale[i]*(1.f/256.f); xq = xq - delta*tanh(xq/(delta+eps)); q = (int)floor(.5f+xq); + /* Make the impossible actually impossible. */ + if (r[i] == 0 || p0[i] >= 32768) q = 0; ec_laplace_encode_p0(enc, q, p0[i], r[i]); } } @@ -190,4 +192,4 @@ int main() printf("\n"); } } -#endif
\ No newline at end of file +#endif |