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Merge pull request #1057 from facebook/lrmSettings

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LRM parameters
This commit is contained in:
Yann Collet
2018-03-21 05:59:39 -07:00
committed by GitHub
parent 1292a738d8 878728dc26
commit 87b0cf05bd
8 changed files with 184 additions and 191 deletions
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lib/compress/zstdmt_compress.c
+7 -7
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@@ -966,19 +966,19 @@ static ZSTD_CCtx_params ZSTDMT_initJobCCtxParams(ZSTD_CCtx_params const params)
}
/*! ZSTDMT_updateCParams_whileCompressing() :
* Update compression level and parameters (except wlog)
* while compression is ongoing.
* Updates only a selected set of compression parameters, to remain compatible with current frame.
* New parameters will be applied to next compression job. */
void ZSTDMT_updateCParams_whileCompressing(ZSTDMT_CCtx* mtctx, int compressionLevel, ZSTD_compressionParameters cParams)
void ZSTDMT_updateCParams_whileCompressing(ZSTDMT_CCtx* mtctx, const ZSTD_CCtx_params* cctxParams)
{
U32 const saved_wlog = mtctx->params.cParams.windowLog; /* Do not modify windowLog while compressing */
int const compressionLevel = cctxParams->compressionLevel;
DEBUGLOG(5, "ZSTDMT_updateCParams_whileCompressing (level:%i)",
compressionLevel);
mtctx->params.compressionLevel = compressionLevel;
if (compressionLevel != ZSTD_CLEVEL_CUSTOM)
cParams = ZSTD_getCParams(compressionLevel, mtctx->frameContentSize, 0 /* dictSize */ );
cParams.windowLog = saved_wlog;
mtctx->params.cParams = cParams;
{ ZSTD_compressionParameters cParams = ZSTD_getCParamsFromCCtxParams(cctxParams, 0, 0);
cParams.windowLog = saved_wlog;
mtctx->params.cParams = cParams;
}
}
/* ZSTDMT_getNbWorkers():