EA608 closed caption tracks are a bit special in that each sample can contain CCs for multiple frames, and CCs can be omitted and have to be inferred from the duration of the sample then.
CC @bilboed
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EA608 closed caption tracks are a bit special in that each sample can contain CCs for multiple frames, and CCs can be omitted and have to be inferred from the duration of the sample then.
CC @bilboed