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turn off: last match must start at a minimum distance of 8 from oend

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inikep
2016-02-02 12:36:09 +01:00
parent ef2706ed12
commit 59140c5480
3 changed files with 85 additions and 25 deletions
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lib/zstd_compress.c
+3 -2
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@@ -2302,8 +2302,8 @@ static const ZSTD_parameters ZSTD_defaultParameters[4][ZSTD_MAX_CLEVEL+1] = {
{ 0, 25, 24, 23, 5, 5, ZSTD_btlazy2 }, /* level 18 */
{ 0, 25, 26, 23, 5, 5, ZSTD_btlazy2 }, /* level 19 */
{ 0, 26, 27, 25, 9, 5, ZSTD_btlazy2 }, /* level 20 */
{ 0, 22, 20, 22, 4, 4, ZSTD_lazy2 }, /* level 11 + L=4 */ // 41902762
{ 0, 23, 21, 22, 5, 4, ZSTD_btlazy2 }, /* level 16 + L=4 */ // 41233150
{ 0, 22, 20, 22, 4, 4, ZSTD_lazy2 }, /* level 11 + L=4 */ // 41902762 42087013
{ 0, 23, 21, 22, 5, 4, ZSTD_btlazy2 }, /* level 16 + L=4 */ // 41233150 41560211
{ 0, 23, 21, 22, 5, 4, ZSTD_opt }, /* level 23 */
{ 0, 23, 21, 22, 5, 4, ZSTD_opt_bt }, /* level 23 */
},
@@ -2402,6 +2402,7 @@ ZSTD_parameters ZSTD_getParams(int compressionLevel, U64 srcSizeHint)
int tableID = ((srcSizeHint-1) <= 256 KB) + ((srcSizeHint-1) <= 128 KB) + ((srcSizeHint-1) <= 16 KB); /* intentional underflow for srcSizeHint == 0 */
if (compressionLevel<=0) compressionLevel = 1;
if (compressionLevel > ZSTD_MAX_CLEVEL) compressionLevel = ZSTD_MAX_CLEVEL;
tableID=0;
result = ZSTD_defaultParameters[tableID][compressionLevel];
result.srcSize = srcSizeHint;
return result;