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Speed up zopfli compression

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See #4810 for example
This commit is contained in:
Chaosmaster 2021-11-03 16:51:33 +01:00 committed by John Wu
parent c91ccc8b4e
commit 5682917356
1 changed files with 4 additions and 0 deletions
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4
native/jni/magiskboot/compress.cpp
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@ -124,6 +124,10 @@ public:
zo({}), out(nullptr), outsize(0), bp(0), crcvalue(crc32_z(0L, Z_NULL, 0)), in_size(0) { zo({}), out(nullptr), outsize(0), bp(0), crcvalue(crc32_z(0L, Z_NULL, 0)), in_size(0) {
ZopfliInitOptions(&zo); ZopfliInitOptions(&zo);
// Speed things up a bit, this still leads to better compression than zlib
zo.numiterations = 1;
zo.blocksplitting = 0;
ZOPFLI_APPEND_DATA(31, &out, &outsize); /* ID1 */ ZOPFLI_APPEND_DATA(31, &out, &outsize); /* ID1 */
ZOPFLI_APPEND_DATA(139, &out, &outsize); /* ID2 */ ZOPFLI_APPEND_DATA(139, &out, &outsize); /* ID2 */
ZOPFLI_APPEND_DATA(8, &out, &outsize); /* CM */ ZOPFLI_APPEND_DATA(8, &out, &outsize); /* CM */