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Add ldm and block splitter auto-enable to old api

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senhuang42
2021-05-24 13:09:32 -04:00
parent 3824ba6f35
commit 939276cd0c
3 changed files with 20 additions and 9 deletions
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lib/compress/zstd_compress.c
+11
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@@ -349,6 +349,17 @@ static void ZSTD_CCtxParams_init_internal(ZSTD_CCtx_params* cctxParams, ZSTD_par
cctxParams->compressionLevel = compressionLevel;
cctxParams->useRowMatchFinder = ZSTD_resolveRowMatchFinderMode(cctxParams->useRowMatchFinder, &params->cParams);
DEBUGLOG(4, "ZSTD_CCtxParams_init_internal: useRowMatchFinder=%d", cctxParams->useRowMatchFinder);
if (ZSTD_CParams_shouldEnableLdm(&params->cParams)) {
/* Enable LDM by default for optimal parser and window size >= 128MB */
DEBUGLOG(4, "LDM enabled by default (window size >= 128MB, strategy >= btopt)");
cctxParams->ldmParams.enableLdm = 1;
}
if (ZSTD_CParams_useBlockSplitter(&params->cParams)) {
DEBUGLOG(4, "Block splitter enabled by default (window size >= 128K, strategy >= btopt)");
cctxParams->splitBlocks = 1;
}
}
size_t ZSTD_CCtxParams_init_advanced(ZSTD_CCtx_params* cctxParams, ZSTD_parameters params)