Comments (4)
I think it would also be good to have a dispatcher so that a higher simd level does not get called on systems without it, so it would be okay to copy a binary between two different machines
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The decoder detects the highest available SIMD extension it can use during runtime. So differences between build and runtime machines should not be a problem.
Did you have a specific problem with that? Could you specify more detail about the exact used build/runtime computers?
For testing purposes, it is still possible to restrict SIMD in the code by setting cVVDecParameter.m_eSIMD_Extension
in vvdecapp.cpp (there is not cmd parameter because this is not your everyday usecase).
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Here https://github.com/fraunhoferhhi/vvdec/blob/master/source/Lib/vvdec/CMakeLists.txt#L72 SSE-4.1/SSE-4.2 are enabled which aren't generally available.
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Build on powerpc64 failed because of unconditional SSE options. Normally SIMD options should be used only on architectures where they are supported, and generic code should be used elsewhere.
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As it says in the README.md, VVdeC is a x86 VVC decoder. So if you are compiling on a powerpc64, you should use a cross-compiler with x86 target architecture, in which case the compiler should support the options.
But I guess, since the codebase actually supports it, we might adapt the build process appropriately. This will never be non-experimental and properly tested, though, and low-priority for now.
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Related Issues (20)
- Segmentation Fault for Main 10 with VPS HOT 6
- vvdecapp build shared can not be executed by old CPU HOT 19
- Decoding vvc file failed by using vvdec ,but it successed by using VTM HOT 3
- Whether to use unsigned char for bitstreams which internal-bitdepth are 8? HOT 9
- multithreading stuck HOT 4
- multithreading stuck when the number of threads is too high HOT 4
- 'make test enable-bitstream-download=1' fails to download bitstreams HOT 4
- reserved identifier violation HOT 1
- Completion of error handling HOT 1
- Remove unnecessary null pointer checks
- [Question] Are further VVC decoding optimizations possible? Coming? HOT 4
- brew install vvdec not working HOT 1
- Build failure with profiling enabled HOT 1
- Decoding vvc files despite corruption HOT 1
- Android Build HOT 2
- MacOS arm64 shared build HOT 3
- Error building of vvdec wasm using emsdk HOT 2
- gcc 12.1.0: Werror in IntraPred_avx2.cpp HOT 2
- Testing VVC HOT 1
- Looping in FFplay HOT 3
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