* Fix CTS=0 in fragmented fMP4 with multiple tracks
When muxing fragmented MP4 with both video and audio tracks,
compositionTimeOffset (CTS) was zero for all video samples, causing
B-frame content to display in decode order instead of presentation
order (visible judder).
Root cause: During finalize(), interleaveSamples(true) triggers
finalizeFragment() via the cross-track keyframe check in
addSampleToTrack. This writes the trun box before processTimestamps
has computed correct decodeTimestamp values, so CTS = PTS - DTS = 0.
Fix: Call processTimestamps() for all tracks at the start of
finalizeFragment(). This is safe because processTimestamps is a no-op
when the timestampProcessingQueue is empty.
Video-only fragmented muxing was unaffected because the single-track
case never triggers the cross-track keyframe check during
interleaveSamples.
Co-Authored-By: Claude Opus 4.6 <[email protected]>
* Fix the problem at the actual root
* Oopsie doopsie
---------
Co-authored-by: Claude Opus 4.6 <[email protected]>
Co-authored-by: Vanilagy <[email protected]>
- Add support for fMP4 segments
- Add initInput (supported by ISOBMFF and MPEG-TS)
- Input.isSupported()
- Refactored file size retrieval logic, the file size can now be retrieved alongside the first read.
- Add support for unsized UrlSources
- Add support for multiple trun boxes in a row for the same track (as the spec literally says lol)
- Add support for more M3U8 features
- Fix faulty line reader
- MPEG-TS improvements: support video parameters not in first packet, support better key frame detection, support extension PES packets without PTS
- Fix reorder buffer being 1 element too small
* ac3/eac3 detection
* fix tests
* review pass + follow codebase comments style
* Add ac3/eac3 to docs
* WIP mpeg-2
* Set registration_descriptor
* add support for ac3 system b in mpeg-ts
* Update docs with ac3 in .ts support
* fix formatting
* Remove default to fix linter
* Add eac3 to mpeg-ts
* fix formatting
* Fix failing test
* Refactor AC3/EAC3 code a little
---------
Co-authored-by: Vanilagy <[email protected]>
* Add support for reading transparent Matroska and implement alpha side data & decode
* Few fixes
* Implement alpha encoding
* Gracefully handle inability to acquire WebGL context, properly clean up WebGL contexts
* Improve touch device detection
* Test test
* Test test #2
* Test test 3
* Test test 4
* Test test 5
* Test test 6
* Test test 7
* Test test 8
* Test test 9
* Test test 10
* Test test 11
* Test test 12
* Test test 13
* Test test 14
* Test test 15
* Test test 16
* Test test 17
* Test test 18
* Test test 19
* Test test 20
* Fix type errors, improve MetadataTags docs
* Do a bunch of docs work
* Test test?
* "Unexpected only modifier 🤓"
* Add InputVideoTrack.canBeTransparent()
* Some clean-up
* Adjust CI to be less spammy in PRs
* Fix broken license headers
Vanilagy