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vorbis: simplify the inner loop in setup_classifs

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This commit is contained in:
Luca Barbato 2013-05-19 18:59:13 +02:00
parent 36f1038004
commit ddf1b4a2f8
1 changed files with 4 additions and 4 deletions
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8
libavcodec/vorbisdec.c
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@ -1321,11 +1321,11 @@ static av_always_inline int setup_classifs(vorbis_context *vc,
assert(vr->classifications > 1 && temp <= 65536); //needed for inverse[]
for (i = 0; i < c_p_c; ++i) {
for (i = partition_count + c_p_c - 1; i >= partition_count; i--) {
temp2 = (((uint64_t)temp) * inverse_class) >> 32;
if (partition_count + c_p_c - 1 - i < vr->ptns_to_read)
vr->classifs[p + partition_count + c_p_c - 1 - i] =
temp - temp2 * vr->classifications;
if (i < vr->ptns_to_read)
vr->classifs[p + i] = temp - temp2 * vr->classifications;
temp = temp2;
}
}