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Merge pull request #3964 from felixhandte/promote-tgt-c-blk-size-to-stable

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Promote `ZSTD_c_targetCBlockSize` Parameter to Stable API
This commit is contained in:
Felix Handte
2024-03-14 13:06:46 -04:00
committed by GitHub
parent 490163ac73 3613448fb8
commit 515c07a131
1 changed files with 11 additions and 7 deletions
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lib/zstd.h
+11 -7
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@@ -390,6 +390,16 @@ typedef enum {
* The higher the value of selected strategy, the more complex it is, * The higher the value of selected strategy, the more complex it is,
* resulting in stronger and slower compression. * resulting in stronger and slower compression.
* Special: value 0 means "use default strategy". */ * Special: value 0 means "use default strategy". */
ZSTD_c_targetCBlockSize=130, /* Tries to fit compressed block size to be
* around targetCBlockSize. No target when
* targetCBlockSize == 0. There is no guarantee
* on compressed block size (default:0).
* Since the decoder has to buffer a complete
* block to begin decoding it, in low band-
* width streaming environments this may
* improve end-to-end latency. Bound by
* ZSTD_TARGETCBLOCKSIZE_MIN and
* ZSTD_TARGETCBLOCKSIZE_MAX. */
/* LDM mode parameters */ /* LDM mode parameters */
ZSTD_c_enableLongDistanceMatching=160, /* Enable long distance matching. ZSTD_c_enableLongDistanceMatching=160, /* Enable long distance matching.
* This parameter is designed to improve compression ratio * This parameter is designed to improve compression ratio
@@ -469,7 +479,6 @@ typedef enum {
* ZSTD_c_forceMaxWindow * ZSTD_c_forceMaxWindow
* ZSTD_c_forceAttachDict * ZSTD_c_forceAttachDict
* ZSTD_c_literalCompressionMode * ZSTD_c_literalCompressionMode
* ZSTD_c_targetCBlockSize
* ZSTD_c_srcSizeHint * ZSTD_c_srcSizeHint
* ZSTD_c_enableDedicatedDictSearch * ZSTD_c_enableDedicatedDictSearch
* ZSTD_c_stableInBuffer * ZSTD_c_stableInBuffer
@@ -490,7 +499,7 @@ typedef enum {
ZSTD_c_experimentalParam3=1000, ZSTD_c_experimentalParam3=1000,
ZSTD_c_experimentalParam4=1001, ZSTD_c_experimentalParam4=1001,
ZSTD_c_experimentalParam5=1002, ZSTD_c_experimentalParam5=1002,
ZSTD_c_experimentalParam6=1003, /* was ZSTD_c_experimentalParam6=1003; is now ZSTD_c_targetCBlockSize */
ZSTD_c_experimentalParam7=1004, ZSTD_c_experimentalParam7=1004,
ZSTD_c_experimentalParam8=1005, ZSTD_c_experimentalParam8=1005,
ZSTD_c_experimentalParam9=1006, ZSTD_c_experimentalParam9=1006,
@@ -1951,11 +1960,6 @@ ZSTDLIB_STATIC_API size_t ZSTD_CCtx_refPrefix_advanced(ZSTD_CCtx* cctx, const vo
*/ */
#define ZSTD_c_literalCompressionMode ZSTD_c_experimentalParam5 #define ZSTD_c_literalCompressionMode ZSTD_c_experimentalParam5
/* Tries to fit compressed block size to be around targetCBlockSize.
* No target when targetCBlockSize == 0.
* There is no guarantee on compressed block size (default:0) */
#define ZSTD_c_targetCBlockSize ZSTD_c_experimentalParam6
/* User's best guess of source size. /* User's best guess of source size.
* Hint is not valid when srcSizeHint == 0. * Hint is not valid when srcSizeHint == 0.
* There is no guarantee that hint is close to actual source size, * There is no guarantee that hint is close to actual source size,