ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implemented default coding table for lengths and offset

Browse Source
This commit is contained in:
Yann Collet
2016-04-07 15:24:29 +02:00
parent 79459da14b
commit 485371600a
4 changed files with 31 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/zstd_opt.h
+3 -3
View File
@@ -57,7 +57,7 @@ MEM_STATIC void ZSTD_rescaleFreqs(seqStore_t* ssPtr)
ssPtr->litSum = (2<<Litbits);
ssPtr->litLengthSum = MaxLL+1;
ssPtr->matchLengthSum = MaxML+1;
ssPtr->offCodeSum = (1<<Offbits);
ssPtr->offCodeSum = (MaxOff+1);
ssPtr->matchSum = (2<<Litbits);
for (u=0; u<=MaxLit; u++)
@@ -529,7 +529,7 @@ void ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
if (opt[cur].off >= ZSTD_REP_NUM) {
opt[cur].rep[2] = opt[cur-mlen].rep[1];
opt[cur].rep[1] = opt[cur-mlen].rep[0];
opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE;
opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE;
ZSTD_LOG_ENCODE("%d: COPYREP_OFF cur=%d mlen=%d rep[0]=%d rep[1]=%d\n", (int)(inr-base), cur, mlen, opt[cur].rep[0], opt[cur].rep[1]);
} else {
opt[cur].rep[2] = (opt[cur].off > 1) ? opt[cur-mlen].rep[1] : opt[cur-mlen].rep[2];
@@ -838,7 +838,7 @@ void ZSTD_compressBlock_opt_extDict_generic(ZSTD_CCtx* ctx,
if (opt[cur].off >= ZSTD_REP_NUM) {
opt[cur].rep[2] = opt[cur-mlen].rep[1];
opt[cur].rep[1] = opt[cur-mlen].rep[0];
opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE;
opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE;
ZSTD_LOG_ENCODE("%d: COPYREP_OFF cur=%d mlen=%d rep[0]=%d rep[1]=%d\n", (int)(inr-base), cur, mlen, opt[cur].rep[0], opt[cur].rep[1]);
} else {
opt[cur].rep[2] = (opt[cur].off > 1) ? opt[cur-mlen].rep[1] : opt[cur-mlen].rep[2];