Changes between Initial Version and Version 1 of Ticket #9769, comment 26


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Timestamp:
Aug 30, 2024, 8:23:18 AM (2 years ago)
Author:
Balling

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  • Ticket #9769, comment 26

    initial v1  
    1 >JPEG 2000 does not specify a bit-exact decoder (for lossy codestreams), which is why some deviation is expected across decoders and across decoding paths in a given decoder.
    2 ISO/IEC 15444-4 | Rec. ITU-T T.803 (J2K conformance testing) specifies
     1>JPEG 2000 does not specify a bit-exact decoder (for lossy codestreams), which is why some deviation is expected across decoders and across decoding paths in a given decoder. ISO/IEC 15444-4 | Rec. ITU-T T.803 (J2K conformance testing) specifies
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    54Oh-oh https://patchwork.ffmpeg.org/project/ffmpeg/patch/20240830020741.169009-1-owatanab@es.takushoku-u.ac.jp/
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     7So apparantly we implement a separate codepath if bitexact is used. And that is optimal.