improved HT decoding - Githubissues

osamu620 / OpenHTJ2K

An open source implementation of ITU-T Rec.814 | ISO 15444-15 (a.k.a. HTJ2K).

BSD 3-Clause "New" or "Revised" License

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improved HT decoding #99

Closed osamu620 closed 2 years ago

osamu620 commented 2 years ago

initial try to improve speed of ht_decoding
improve ht decoding speed
vectorization of lossless dequantization for AVX2 and NEON
vectorization of lossy dequantization for AVX2 and NEON

osamu620 commented 2 years ago

ht_block_decoding.cpp:1292:22: error: 'vdupq_n_s32' was not declared in this scope
 1292 |     auto vROIshift = vdupq_n_s32(ROImask);
      |                      ^~~~~~~~~~~

Thanks for pointing this out :)