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zstdmt: applies new parameters on the fly

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when invoked from ZSTD_compress_generic()
This commit is contained in:
Yann Collet
2018-02-02 15:58:13 -08:00
parent 90eca318a7
commit 4b525af53a
5 changed files with 18 additions and 13 deletions
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lib/compress/zstd_compress.c
+10 -6
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@@ -3222,13 +3222,17 @@ size_t ZSTD_compress_generic (ZSTD_CCtx* cctx,
/* compression stage */
#ifdef ZSTD_MULTITHREAD
if (cctx->appliedParams.nbWorkers > 0) {
size_t const flushMin = ZSTDMT_compressStream_generic(cctx->mtctx, output, input, endOp);
if ( ZSTD_isError(flushMin)
|| (endOp == ZSTD_e_end && flushMin == 0) ) { /* compression completed */
ZSTD_startNewCompression(cctx);
if (cctx->cParamsChanged) {
ZSTDMT_updateCParams_whileCompressing(cctx->mtctx, cctx->requestedParams.compressionLevel, cctx->requestedParams.cParams);
cctx->cParamsChanged = 0;
}
return flushMin;
}
{ size_t const flushMin = ZSTDMT_compressStream_generic(cctx->mtctx, output, input, endOp);
if ( ZSTD_isError(flushMin)
|| (endOp == ZSTD_e_end && flushMin == 0) ) { /* compression completed */
ZSTD_startNewCompression(cctx);
}
return flushMin;
} }
#endif
CHECK_F( ZSTD_compressStream_generic(cctx, output, input, endOp) );
DEBUGLOG(5, "completed ZSTD_compress_generic");