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darktable-org / rawspeed Public

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LJpeg: support square MCU layout (Sony LJpeg, -32%)#698

Merged

LebedevRI merged 26 commits into

darktable-org:developdarktable-org/rawspeed:developfrom

LebedevRI:ljpeg-mcuLebedevRI/rawspeed:ljpeg-mcuCopy head branch name to clipboard

Mar 26, 2024

Conversation Commits26 (26)Checks Files changed

Merged

LJpeg: support square MCU layout (Sony LJpeg, -32%)#698
LebedevRI merged 26 commits into
darktable-org:developfrom
LebedevRI:ljpeg-mcu

Commits

Commits on Mar 25, 2024

LJpegDecoder: check that frame/tile areas match, not dimensions
LebedevRI
committed
LJpegDecoder: Maximal output tile size should be a multiple of LJpeg frame size
LebedevRI
committed
LJpegDecoder: compute MCU layout from tile size and ljpeg frame size
LebedevRI
committed
LJpegDecoder: extract `jpegFrameDim` helper variable
LebedevRI
committed
LJpegDecompressor: extract `cps` variable from `frame`
LebedevRI
committed
LJpegDecoder: plumb `MCUSize` into `LJpegDecompressor`
LebedevRI
committed

Commits on Mar 26, 2024

LJpegDecompressor: rewrite checks in ctor for MCU size
LebedevRI
committed
LJpegDecompressor: we do not expect to support row-partial MCU's
LebedevRI
committed
LJpegDecompressor: template `decodeN()` on `MCUSize`
LebedevRI
committed
LJpegDecompressor: template `decodeRowN()` on `MCUSize`
LebedevRI
committed
LJpegDecompressor: `s/numRowsPerRestartInterval/numLJpegRowsPerRestartInterval/`
LebedevRI
committed
LJpegDecompressor: `s/rowOfRestartInterval/ljpegRowOfRestartInterval/`
LebedevRI
committed
LJpegDecompressor: `s/row/ljpegRow/`
LebedevRI
committed
LJpegDecompressor: correctly calculate `numRestartIntervals`
LebedevRI
committed
LJpegDecompressor: correctly calculate output row
LebedevRI
committed
LJpegDecompressor: `s/fullBlocks/numFullMCUs/`
LebedevRI
committed
LJpegDecompressor::decodeRowN(): iterate over mcu index, not col
LebedevRI
committed
LJpegDecompressor: s/block/mcu/
LebedevRI
committed
LJpegDecompressor: take `outStripe`, not `outRow`
LebedevRI
committed
LJpegDecompressor: actually produce a stripe
LebedevRI
committed
LJpegDecompressor: rewrite predictor reloading
LebedevRI
committed
LJpegDecompressor: extract `outTile` in the non-edge-pixel code
LebedevRI
committed
LJpegDecompressor: drop incorrect invariant
LebedevRI
committed
LJpegDecompressor: support `{2,2}` MCU's
LebedevRI
committed
ArwDecoder: LJpeg decompressor supports `{2,2}` MCU's, drop workaround
LebedevRI
committed
LJpegDecompressor: don't inline `decodeN()` into `decode()`
LebedevRI
committed

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