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Fix forceWindow and dictMode setting for zstdmt jobs

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This commit is contained in:
Stella Lau
2017-08-23 19:16:57 -07:00
parent bf3108fb50
commit fd9bf42516
1 changed files with 15 additions and 4 deletions
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lib/compress/zstdmt_compress.c
+15 -4
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@@ -341,10 +341,21 @@ void ZSTDMT_compressChunk(void* jobDescription)
if (ZSTD_isError(initError)) { job->cSize = initError; goto _endJob; }
} else { /* srcStart points at reloaded section */
if (!job->firstChunk) job->params.fParams.contentSizeFlag = 0; /* ensure no srcSize control */
{ size_t const dictModeError = ZSTD_setCCtxParameter(cctx, ZSTD_p_forceRawDict, 1); /* Force loading dictionary in "content-only" mode (no header analysis) */
size_t const initError = ZSTD_compressBegin_advanced_internal(cctx, job->srcStart, job->dictSize, job->params, job->fullFrameSize);
if (ZSTD_isError(initError) || ZSTD_isError(dictModeError)) { job->cSize = initError; goto _endJob; }
ZSTD_setCCtxParameter(cctx, ZSTD_p_forceWindow, 1);
{ ZSTD_CCtx_params jobParams = job->params;
/* Force loading dictionary in "content-only" mode (no header analysis) */
size_t const dictModeError =
ZSTD_CCtxParam_setParameter(&jobParams, ZSTD_p_dictMode, 1);
size_t const forceWindowError =
ZSTD_CCtxParam_setParameter(&jobParams, ZSTD_p_forceMaxWindow, !job->firstChunk);
/* TODO: new/old api do not interact well here (or with
* ZSTD_setCCtxParameter).
* ZSTD_compressBegin_advanced copies params directly to
* appliedParams. ZSTD_CCtx_setParameter sets params in requested
* parameters. They should not be mixed -- parameters should be passed
* directly */
size_t const initError = ZSTD_compressBegin_advanced_internal(cctx, job->srcStart, job->dictSize, jobParams, job->fullFrameSize);
if (ZSTD_isError(initError) || ZSTD_isError(dictModeError) ||
ZSTD_isError(forceWindowError)) { job->cSize = initError; goto _endJob; }
} }
if (!job->firstChunk) { /* flush and overwrite frame header when it's not first segment */
size_t const hSize = ZSTD_compressContinue(cctx, dstBuff.start, dstBuff.size, src, 0);