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Read deep sample-count table little-endian in testReadDeep #2509

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Read deep sample-count table little-endian in testReadDeep #2509

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3bb6870
Read deep sample-count table little-endian in testReadDeep
Scottcjn Jun 26, 2026
6ef3a1a
fix: return native-order deep sample counts from exr_read_deep_chunk
Scottcjn Jun 29, 2026
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7 changes: 7 additions & 0 deletions src/lib/OpenEXRCore/chunk.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1640,6 +1640,13 @@ exr_read_deep_chunk (

if (rv != EXR_ERR_SUCCESS) return rv;

/* the on-disk sample count table is little-endian; convert to native so
* callers receive host-order counts (matching unpacked pixel data) */
if (sample_data && cinfo->sample_count_table_size > 0)
priv_to_native32 (
sample_data,
(int) (cinfo->sample_count_table_size / sizeof (uint32_t)));

if (packed_data && cinfo->packed_size > 0)
{
dataoffset = cinfo->data_offset;
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