Issues

• https://w3c.github.io/webcodecs/#convert-predefinedcolorspace-to-videocolorspace is only handling two values out four

  w3c/webcodecs#973 · Filter by author youennf opened on Oct 13, 2026
  1

• Specify alpha association for VideoFrame buffer input and copyTo() output

  w3c/webcodecs#972 · Filter by author calixteman opened on Oct 12, 2026
  1

• Should copyTo preserve the X plane of RGBX/BGRX video frames?

  w3c/webcodecs#971 · Filter by author youennf opened on Oct 12, 2026
  2

• Multiview coding support in WebCodecs

  TPAC2026
  w3c/webcodecs#970 · Filter by author youennf opened on Oct 9, 2026
  2

• VideoFrame.copyTo is manipulating JS objects in a background queue

  CR BlockingPR existsTPAC2026
  w3c/webcodecs#955 · Filter by author youennf opened on Oct 1, 2026
  8

  

• ColorSpace override is not well defined

  agendaCR BlockingPR existsTPAC2026
  w3c/webcodecs#940 · Filter by author youennf opened on Jun 4, 2026
  25

  

• Add ability to generate PSNR statistics for an encoded video frame

  w3c/webcodecs#937 · Filter by author sprangerik opened on Jun 1, 2026
  1

• clarify ImageTrack repetition count

  w3c/webcodecs#932 · Filter by author tnikkel opened on Apr 19, 2026
  4

  

• Valid AudioEncoderConfig algorithm for unsupported codecs with codec-specific steps

  w3c/webcodecs#927 · Filter by author tidoust opened on Mar 10, 2026

• Confused by VideoDecoderConfig.codedWidth, does not reflect the actual coded width of the underlying coded frame

  w3c/webcodecs#925 · Filter by author Vanilagy opened on Feb 18, 2026
  5

• Potential typo in VideoFrame.copyTo method algorithm

  CR BlockingPR existsTPAC2026
  w3c/webcodecs#918 · Filter by author Vanilagy opened on Dec 3, 2025
  1

  

• VideoDecoder bit exactness

  w3c/webcodecs#903 · Filter by author sprangerik opened on Sep 8, 2025
  4

• VideoDecoder output guarantees

  w3c/webcodecs#900 · Filter by author bartadaniel opened on Jul 24, 2025
  3

• Hardware acceleration and fingerprinting

  w3c/webcodecs#896 · Filter by author kixelated opened on May 21, 2025
  2

• ROI-based encoding with CBR/CQP mode

  w3c/webcodecs#892 · Filter by author taste1981 opened on Apr 24, 2025
  2

• Using VideoDecoder for security camera app leads to codec reclaimation

  w3c/webcodecs#889 · Filter by author dominic-p opened on Apr 17, 2025
  6

• Clarify that all VideoFrameMetadata members are optional

  w3c/webcodecs#879 · Filter by author jan-ivar opened on Feb 5, 2025
  1

• Dealing with integrated and dedicated graphics cards

  w3c/webcodecs#873 · Filter by author BryanChrisBrown opened on Jan 25, 2025
  2

• Allow disabling automatic reorientation in ImageDecoder

  w3c/webcodecs#870 · Filter by author padenot opened on Jan 16, 2025
  3

• How decodeQueueSize and encodeQueueSize behave will introduce web compatibility issues, and need to be better defined.

  samples
  w3c/webcodecs#864 · Filter by author jyavenard opened on Dec 12, 2024
  

• AudioDecoder.configure should not throw for invalid config

  w3c/webcodecs#861 · Filter by author jyavenard opened on Dec 11, 2024
  4

• AudioEncoderConfig.bitrate should be explicitly forbidden to be 0.

  w3c/webcodecs#860 · Filter by author jyavenard opened on Dec 11, 2024
  2

  

• AudioDecoder should let you specify an format for resulting AudioData

  w3c/webcodecs#859 · Filter by author jyavenard opened on Dec 11, 2024
  2

• Correct support for avc3, hev1?

  w3c/webcodecs#857 · Filter by author dalecurtis opened on Dec 9, 2024
  6

• Should there be an AudioDataMetadata?

  w3c/webcodecs#855 · Filter by author guidou opened on Dec 5, 2024
  2