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| author | Even Rouault <even.rouault@spatialys.com> | 2017-08-18 15:08:51 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2017-08-18 15:08:51 +0200 |
| commit | 5d403250561398f7ba3041d9eb8c893bd680dd72 (patch) | |
| tree | f0da191cd421b212901c8e982d021649f9d60e2c /src/lib/openjp2/dwt.h | |
| parent | 028c504a43e962a725c4fd73d6642ee73c653e1b (diff) | |
Subtile decoding: only do 5x3 IDWT computations on relevant areas of tile-component buffer.
This lowers 'bin/opj_decompress -i ../MAPA.jp2 -o out.tif -d 0,0,256,256'
down to 0.860s
Diffstat (limited to 'src/lib/openjp2/dwt.h')
| -rw-r--r-- | src/lib/openjp2/dwt.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/lib/openjp2/dwt.h b/src/lib/openjp2/dwt.h index 3c997efd..ac1e157d 100644 --- a/src/lib/openjp2/dwt.h +++ b/src/lib/openjp2/dwt.h @@ -63,11 +63,12 @@ OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec); /** Inverse 5-3 wavelet transform in 2-D. Apply a reversible inverse DWT transform to a component of an image. -@param tp Thread pool +@param tcd TCD handle @param tilec Tile component information (current tile) @param numres Number of resolution levels to decode */ -OPJ_BOOL opj_dwt_decode(opj_thread_pool_t* tp, opj_tcd_tilecomp_t* tilec, +OPJ_BOOL opj_dwt_decode(opj_tcd_t *p_tcd, + opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres); /** |