AcademySoftwareFoundation/OpenImageIO

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Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.

Stars: 2.4k
Forks: 698
Open beginner issues: 0
Indexed issues: 112
Avg merge: 3d 9h
Merged PRs (30d): 48

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Open All

110 open issues indexed

iv pan & zoom controls should be standard Open

help wanted iv

AcademySoftwareFoundation/OpenImageIO#306 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
many open files can use lots of memory Open

AcademySoftwareFoundation/OpenImageIO#1027 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Extend ImageCache to handle deep files Open

AcademySoftwareFoundation/OpenImageIO#1236 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Enhancement] Use application provided ThreadPool Open

AcademySoftwareFoundation/OpenImageIO#1763 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
heap-buffer-overflow in dpx::WriteBuffer Open

bug file formats

AcademySoftwareFoundation/OpenImageIO#1861 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Misinterpretation of some BMP files (A and B channels swapped?) Open

bug file formats good first issue

AcademySoftwareFoundation/OpenImageIO#1901 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
oiiotool silently extracts thumbnail instead of raw image Open

AcademySoftwareFoundation/OpenImageIO#1914 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Great Big `iv` Wish List Open

devdays devdays24 feature request good first issue help wanted iv

AcademySoftwareFoundation/OpenImageIO#2058 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MakerNotes exif metadata for Sony Open

AcademySoftwareFoundation/OpenImageIO#2157 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
KTX format Open

feature request file formats help wanted

AcademySoftwareFoundation/OpenImageIO#2329 · 17 comments · 15 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Python Bindings: Support for Pickling Open

good first issue python

AcademySoftwareFoundation/OpenImageIO#2534 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] CMake Subdirectory Support Open

AcademySoftwareFoundation/OpenImageIO#2546 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST]Make image format autodetection work with IOProxy/IOMemBuffer Open

AcademySoftwareFoundation/OpenImageIO#2550 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Make finding ptex more flexible Open

AcademySoftwareFoundation/OpenImageIO#2596 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] reading .mp4 files results in crash Open

bug file formats

AcademySoftwareFoundation/OpenImageIO#2688 · 18 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] PSD CMYK to RGB: colors are off Open

AcademySoftwareFoundation/OpenImageIO#2851 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] OIIO does not compile with NDEBUG in precompile distribution Open

AcademySoftwareFoundation/OpenImageIO#2882 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST]Read as little as possible from image during 'open' call Open

AcademySoftwareFoundation/OpenImageIO#2902 · 22 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] ImageBufImpl::pixeladdr method fails on buffers with per channel formats Open

AcademySoftwareFoundation/OpenImageIO#2910 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST]Add PCX support. Open

bug feature request file formats help wanted

AcademySoftwareFoundation/OpenImageIO#2917 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Access binary data of file without decoding Open

core APIs feature request file formats help wanted

AcademySoftwareFoundation/OpenImageIO#2933 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Expose available `FilterDesc` info through Python bindings Open

AcademySoftwareFoundation/OpenImageIO#2997 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Writing ImageIO Plugins section does not describe how to register a plug-in at run time Open

AcademySoftwareFoundation/OpenImageIO#3099 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Hue/Saturation adjustments in ImageBufAlgo Open

difficulty/easy image processing oiiotool

AcademySoftwareFoundation/OpenImageIO#3103 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Improve Python ColorConfig support (in IBA, etc.) Open

python

AcademySoftwareFoundation/OpenImageIO#3105 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Support Geotiffs Open

enhancement feature request file formats help wanted

AcademySoftwareFoundation/OpenImageIO#3174 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] - float_half maketx/make_texture conversion Open

good first issue texture / image cache

AcademySoftwareFoundation/OpenImageIO#3235 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] Enabling SIMD / instruction set selection Open

AcademySoftwareFoundation/OpenImageIO#3268 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Combination of I/O proxies and config image spec Open

AcademySoftwareFoundation/OpenImageIO#3273 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[BUG] soft invalidation does not work for jpgs when autotile=0 Open

AcademySoftwareFoundation/OpenImageIO#3286 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Issues setting Python ImageSpec.channelnames values to byte strings Open

AcademySoftwareFoundation/OpenImageIO#3293 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] ImageBuf returns incorrect pixel data for single-channel EXRs Open

AcademySoftwareFoundation/OpenImageIO#3294 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] oiiotool crash/undefined behavior at exit Open

AcademySoftwareFoundation/OpenImageIO#3295 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Add oiiotool `--trim` functionality to ImageBufAlgo Open

AcademySoftwareFoundation/OpenImageIO#3309 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Docs are unclear/incomplete about how to preserve unassociated alpha Open

AcademySoftwareFoundation/OpenImageIO#3313 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] I think ImageBufAlgo::make_texture() creates an unevictable tile in imagecache Open

AcademySoftwareFoundation/OpenImageIO#3334 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] EXR files are always assumed to be "Linear" without checking a previously existing value for oiio:ColorSpace Open

AcademySoftwareFoundation/OpenImageIO#3385 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Optimize ImageInput::read_tiles for multi-part EXR Open

AcademySoftwareFoundation/OpenImageIO#3413 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
building on Mac with Address Sanitizer. OpenImageIO_v_2_3::pvt::append_error gets null message and crashes Open

AcademySoftwareFoundation/OpenImageIO#3460 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] Converting a DDS normal map to jpeg Open

AcademySoftwareFoundation/OpenImageIO#3525 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Cannot force single threaded behaviour via OPENIMAGEIO_THREADS Open

AcademySoftwareFoundation/OpenImageIO#3657 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] ImageCache doesn't invalidate if no change in modification time Open

AcademySoftwareFoundation/OpenImageIO#3725 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] thread_pool shutdown dead lock Open

bug internals

AcademySoftwareFoundation/OpenImageIO#3851 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] python3.10 spec.get_string_attribute() throws a runtime exception with non-utf-8 string headers Open

python

AcademySoftwareFoundation/OpenImageIO#3856 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] ImageOutput.supports("quality") Open

core APIs feature request

AcademySoftwareFoundation/OpenImageIO#3859 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Internal "contiguize" operation is incorrect Open

AcademySoftwareFoundation/OpenImageIO#3957 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] oiiotool op graph introspection Open

oiiotool

AcademySoftwareFoundation/OpenImageIO#3990 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Convert documentation examples into testsuite tests Open

devdays devdays25 difficulty/easy docs good first issue help wanted

AcademySoftwareFoundation/OpenImageIO#3992 · 38 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] DPX from "Resolve Live" mangled conversion Open

AcademySoftwareFoundation/OpenImageIO#4040 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] OpenEXR PixelAspectRatio Open

AcademySoftwareFoundation/OpenImageIO#4083 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

AcademySoftwareFoundation/OpenImageIO

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