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Add (u)int32 TIFF fixtures for decoder testing - #136

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jantonguirao:add-uint32-tiff-fixture
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jantonguirao:add-uint32-tiff-fixture

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Adds db/single/tiff/0/cat-300572_640_uint32.tiff — the same image as the existing cat-300572_640.tiff fixture, re-encoded with 32-bit unsigned integer samples.

Needed for a new test case in NVIDIA/DALI#6510, which fixes uint32 TIFF decoding (previously crashed with Invalid sample_type: 8198).

Same image as db/single/tiff/0/cat-300572_640.tiff, re-encoded with
32-bit unsigned integer samples, for testing 32-bit TIFF decoding.
Copilot AI balanced review requested due to automatic review settings September 29, 2026 08:06

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jantonguirao added a commit to jantonguirao/DALI that referenced this pull request Sep 29, 2026
Bumps DALI_EXTRA_VERSION to pick up the new
db/single/tiff/0/cat-300572_640_uint32.tiff fixture (NVIDIA/DALI_extra#136).
Adds db/single/tiff/0/cat-300572_640_int32.tiff (signed 32-bit samples,
SAMPLEFORMAT_INT) alongside the existing uint32 fixture, plus ground-truth
.npy references for both under db/single/reference/tiff/0/, generated via
tifffile.
@jantonguirao jantonguirao changed the title Add uint32 TIFF fixture for decoder testing Add (u)int32 TIFF fixture for decoder testing Sep 29, 2026
@jantonguirao jantonguirao changed the title Add (u)int32 TIFF fixture for decoder testing Add (u)int32 TIFF fixtures for decoder testing Sep 29, 2026
jantonguirao added a commit to jantonguirao/DALI that referenced this pull request Sep 29, 2026
Bumps DALI_EXTRA_VERSION to pick up the new
db/single/tiff/0/cat-300572_640_uint32.tiff fixture (NVIDIA/DALI_extra#136).

Signed-off-by: Joaquin Anton Guirao <janton@nvidia.com>
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