Comments (2)
Hi, cmsSaveProfileToMem and cmsOpenProfileFromMemTHR is the way to do that and it is very efficient.
Deep copying is sometimes useful when cloning data in multi-threading environments.
Double check if you really want this. The way lcms works allows to open the profile or transform in one thread and reuse the handle on many other threads. Maybe you want to duplicate memory because you are running on different processes, but in this case is better to open the file. Note that only the required parts of the profile are loaded in memory in this case.
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The way lcms works allows to open the profile or transform in one thread and reuse the handle on many other threads.
Right, as long I can safely use the same profile handle concurrently across different threads, that should be good enough for our use case.
Thanks for taking the time looking into this.
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Related Issues (20)
- Eval4Inputs optimisation HOT 5
- CI: use a dependency update tool to keep GitHub Actions updated
- website blog doesn't announce 2.16 release HOT 1
- Backwards incompatible API-change in 2.16 HOT 5
- The fast float plugin doesn't premultiply alpha HOT 1
- Plugins lack soversion when configured with meson
- Possible NPD in cmsCreate_OkLabProfile HOT 2
- FTBFS since commit c429e37 wrt type checking on pointer types HOT 2
- ICC profile with CICP tag HOT 14
- Unable to find program in file system after install HOT 4
- Overflow checks in cmsCreateExtendedTransform HOT 1
- CIE XYZ D65 profile HOT 5
- Non-equidistant planes in DoTransformLineStride HOT 1
- cmsCreateTransform returns nullptr in 2.16, but works in 2.15- HOT 6
- The build system seems to have obsolete zlib support HOT 1
- MD5 computation of Profile ID seems to zero wrong header field HOT 1
- Add ability to disable building tests
- cmsDoTransform for 64 bit image size HOT 5
- Having trouble with `cmsPluginTag` using `cmsSigUInt32ArrayType` as the data type HOT 3
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