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Support for TTML/fMP4 Subtitles #2

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jamie-usp opened this issue Jun 12, 2020 · 0 comments
Open

Support for TTML/fMP4 Subtitles #2

jamie-usp opened this issue Jun 12, 2020 · 0 comments

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@jamie-usp
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Currently FFmpeg is unable to create CMAF compliant subtitle tracks. FFmpeg is able to generate text based subtitles in an fMP4 container. However these are signaled using a codec id "tx3g" which not supported by Unified Origin.

Requires feature request with FFlabs.
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@jamie-usp