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I'm not sure if this is the proper place to report malformed content on the public simulator instance, but https://livesim.dashif.org/dash/vod/testpic_2s/imsc1_img_swe/init.cmft (referenced from https…
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**Image-based subtitles tracks**
For workflow reasons and charset reasons, some content owners don't include text-based subtitles in the live channels sources that they provide to distributors, but r…
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Hi guys,
Thanks for your work,
Just wanna ask, do we support `region` info conversion for TTML to VTT? or do we have any plans to support it?
I tested a TTML with region info, but the output …
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We want to collect a set of streaming use cases that utilize CMAF content with DASH and/or HLS that should be evaluated for interoperability with constraints or exclusions defined as necessary for int…
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At this time it seems not possible to output the TTML subtitle timestamps in a timecode format with frames unit (and not ms), based on the EBU STL source frame rate. A such enhancement should be welco…
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When the `tts:backgroundColor` applied to `span` elements has some level of transparency more than 0% and less than 100%, and `itts:fillLineGap="true"`, the presence of overlapping background areas gi…
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Perhaps you can clarify to what extent IMSC is intended to support 608 closed captions (via SMPTE RP 2052-10), but this is one of two problems we encountered when converting 608 captions to IMSC which…
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**Have you read the [FAQ](https://bit.ly/ShakaFAQ) and checked for duplicate open issues?** Yes
**What version of Shaka Player are you using?** 3.1.0
**Can you reproduce the issue with o…
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Some of the timing tests in IMSC 1 test suite do not retain correct timing when they are serialized to VTT and SRT.
## Example: MediaParTiming001.ttml
[MediaParTiming001.ttml](https://github.com…
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**IMSC1 in HLS**
Carried as XML text inside fMP4 Segments
HLS defines support for the IMSC1 Text profile
Mark your Media Playlists as IMSC1 with the CODECS attribute
• CODECS="stpp.TTML.im1t, …"…