Netflix/photon

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Photon is a Java implementation of the Interoperable Master Format (IMF) standard. IMF is a SMPTE standard whose core constraints are defined in the specification st2067-2:2013

Stars: 256
Forks: 82
Open beginner issues: 0
Indexed issues: 31

Dominant language: Java
License: Apache-2.0
Last GitHub push: Jul 1, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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31 open issues indexed

VIDEO_6ed567b7-c030-46d6-9c1c-0f09bab4b962.mxf is missing a required TLM marker Open

Netflix/photon#418 · 4 comments · 1 assignee · Opened Jun 26, 2026
Test issue for workflow trigger Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

Netflix/photon#415 · Opened Apr 22, 2026
Warning for version byte mismatch should be reported for MXF asset (not for CPL) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Netflix/photon#413 · Opened Feb 24, 2026
Remove MXFUID class Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Netflix/photon#411 · Opened Feb 24, 2026
Marker Labels are not validated against permitted values in the computed scope of the Label. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Netflix/photon#394 · Opened Nov 5, 2024
Missing support for ProRes (RDD45) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

Netflix/photon#389 · Opened Oct 15, 2024
Error messages should reference actual specification instead of internal type string Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

Netflix/photon#387 · Opened Oct 5, 2024
Validate hashes in PKL and/or CPL Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

Netflix/photon#377 · Opened Sep 3, 2024
Validate JPEG 2000 codestreams Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

Netflix/photon#374 · Opened Jun 26, 2024
Incorrect Sample Rate validation for non App2E interlaced content Open

Netflix/photon#369 · 2 comments · 1 assignee · Opened Jun 25, 2024
Regression in IMPAnalyzer causing an exception to be thrown Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Netflix/photon#358 · 1 comment · Opened Sep 28, 2023
warnings about resource is not present in the package when validating IMF supplemental package folder. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Netflix/photon#337 · 1 comment · Opened Dec 8, 2022
Add support for Mastering Display Color Volume Metadata and MaxCLL and MaxFALL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

Netflix/photon#334 · Opened Nov 9, 2022
Invalid URN representation of SMPTE ULs Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

Netflix/photon#323 · Opened Jul 11, 2022
CPL_0eb3d1b9-b77b-4d3f-bbe5-7c69b15dca85_Error.xml signals incorrect Application conformance Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

Netflix/photon#316 · 1 comment · Opened May 14, 2022
Capitalization incorrect in package declaration Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

Netflix/photon#311 · Opened May 14, 2022
Photon is erroring out if the CPL is missing audio tracks Open

Difficulty 3/5 1-2 days Newbie friendliness 44/100

Netflix/photon#308 · 8 comments · Opened Apr 18, 2022
Getting a wrong Essence SampleRate Error on Subtitle Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Netflix/photon#305 · Opened Mar 31, 2022
Possible false error on OPL validation Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Netflix/photon#287 · 2 comments · Opened Nov 23, 2020
Unreleased Resource: Streams Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

Netflix/photon#285 · Opened Sep 14, 2020
Unused Field Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

Netflix/photon#284 · Opened Sep 14, 2020
Incorrect maximum Marker offset constraint Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

Netflix/photon#273 · 1 comment · Opened Apr 25, 2020
Verifying CPL/PKL IDs in AssetMap Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Netflix/photon#265 · Opened Nov 25, 2019
Implementation version not shown correctly in ErrorObject::getErrorDescription Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Netflix/photon#264 · Opened Nov 5, 2019
CompositionPlaylistType not available through ApplicationComposition in Java API Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Netflix/photon#256 · Opened Jul 3, 2019
QuantizationDefault value comparison fails for lower/upper case mismatch Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Netflix/photon#249 · Opened May 21, 2019
Do you think we can support a list of application here (splitted via comma): Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Netflix/photon#242 · 5 comments · Opened Apr 16, 2019
Add code formatting check Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Netflix/photon#241 · 1 comment · Opened Apr 16, 2019
Recognize homogeneity between fractional aspect ratios Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Netflix/photon#235 · 1 comment · Opened Mar 18, 2019
Identifying incorrect tagging of MCATagName Values Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Netflix/photon#230 · Opened Jan 16, 2019
Enable Docker cloud to have an auto-build Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Netflix/photon#148 · 2 comments · Opened Nov 9, 2016

Netflix/photon

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