liz/rawTherapee
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Fix TileOffsets for single tiles using deflate compression

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The old code looks messed up, but I'm not sure...

Fixes #6575
This commit is contained in:
Simon Segerblom Rex 2022-09-05 16:07:14 +02:00
parent 2ce5b827c5
commit 1a281725c9
1 changed files with 11 additions and 5 deletions
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16
rtengine/dcraw.cc
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@ -1131,9 +1131,13 @@ void CLASS lossless_dng_load_raw()
struct jhead jh;
ushort *rp;
size_t tilesWide = (raw_width + tile_width - 1) / tile_width;
size_t tilesHigh = (raw_height + tile_length - 1) / tile_length;
size_t tileCount = tilesWide * tilesHigh;
while (trow < raw_height) {
save = ftell(ifp);
if (tile_length < INT_MAX)
if (tileCount > 1)
fseek (ifp, get4(), SEEK_SET);
if (!ljpeg_start (&jh, 0)) break;
jwide = jh.wide;
@ -6550,8 +6554,6 @@ int CLASS parse_tiff_ifd (int base)
break;
case 324: /* TileOffsets */
tiff_ifd[ifd].offset = len > 1 ? ftell(ifp) : get4();
if (len == 1)
tiff_ifd[ifd].tile_width = tiff_ifd[ifd].tile_length = 0;
if (len == 4) {
load_raw = &CLASS sinar_4shot_load_raw;
is_raw = 5;
@ -10909,8 +10911,12 @@ void CLASS deflate_dng_load_raw() {
size_t tileCount = tilesWide * tilesHigh;
//fprintf(stderr, "%dx%d tiles, %d total\n", tilesWide, tilesHigh, tileCount);
size_t tileOffsets[tileCount];
for (size_t t = 0; t < tileCount; ++t) {
tileOffsets[t] = get4();
if (tileCount == 1) {
tileOffsets[0] = ifd->offset;
} else {
for (size_t t = 0; t < tileCount; ++t) {
tileOffsets[t] = get4();
}
}
size_t tileBytes[tileCount];
uLongf maxCompressed = 0;