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Section 15 imposes some constraints that will force re-encoding of the IMSC1 internal timing on the fly, which is really not practical. In particular requiring the internal timing to be Period relativ…
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IMSC1 Text profile subtitles support. RTP/DVB-Text would probably be the best source approach.
wilaw updated
4 years ago
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## Description
Description provided by @nigelmegitt in https://github.com/Dash-Industry-Forum/dash.js/issues/4105#issuecomment-1401775940:
The Netflix model described is one where there is some su…
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### What do you want to do with Hls.js?
We have a stream that has subtitles baked into the .ts file. So it doesn't have a subtitle track in the .m3u8 file.
Since there is a SubtitleStreamControlle…
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The profile/authoring guidelines specified in the document should be a subset of IMSC1:
- it helps narrow down the set of features to be supported, e.g. no need to support #markerMode
- it simplifies …
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https://github.com/w3c/imsc-tests/blob/e0213a2815dd4690c1458550adabc458f09a7d77/imsc1_1/ttml/position/position003.ttml#L32
https://github.com/w3c/imsc-tests/blob/e0213a2815dd4690c1458550adabc458f09…
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There is only video and audio, not text, e.g. W3C TTML (IMSC1), WebVTT, etc.
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The document (Section 15) only provides timeline guidance for simple use case sidecar IMSC1 and WebVTT files. Timeline guidance for Segmented files covering Multi-Period, ad insertion and post-produce…
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IMSC1.0 specifies that #extent-root is permitted, and #extent-root implies support for #extent-auto (see note in TTML2 §E.1.92); however, IMSC1.1 does not include #extent-auto in §6, which would mean …
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## System info
**Operating System**: all
**Shaka Packager Version**: v2.6.1-634af65-release
## Issue and steps to reproduce the problem
**Packager Command**:
packager-win-x64.exe "in=sample.m…