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Scale default compression buffer size for levels > 8.

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This commit is contained in:
Moinak Ghosh 2014-01-29 23:27:53 +05:30
parent 33281a2257
commit 2702544d3f
1 changed files with 8 additions and 1 deletions
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9
pcompress.c
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@ -2819,7 +2819,7 @@ init_pc_context(pc_ctx_t *pctx, int argc, char *argv[])
pctx->level = -1;
err = 0;
pctx->keylen = DEFAULT_KEYLEN;
pctx->chunksize = DEFAULT_CHUNKSIZE;
pctx->chunksize = 0;
pos = argv[0] + strlen(argv[0]);
while (*pos != '/' && pos > argv[0]) pos--;
if (*pos == '/') pos++;
@ -3296,6 +3296,13 @@ init_pc_context(pc_ctx_t *pctx, int argc, char *argv[])
if (pctx->lzp_preprocess || pctx->enable_delta2_encode || pctx->dispack_preprocess) {
pctx->preprocess_mode = 1;
}
if (pctx->chunksize == 0) {
if (pctx->level < 9) {
pctx->chunksize = DEFAULT_CHUNKSIZE;
} else {
pctx->chunksize = DEFAULT_CHUNKSIZE + (pctx->level - 8) * DEFAULT_CHUNKSIZE/4;
}
}
} else if (pctx->do_uncompress) {
struct filter_flags ff;
/*