Using Wowza as a streaming server, we have a number of titles that have closed captions - some with 3GPP tracks and some SRT files. The captions are working great in JWPlayer for Flash (RTSP) and Adobe HLS streams, but do not work when using MPEG DASH streams. It appears that the player is identifying that the video has captions, as the "CC" indictor is shown, but the captions do not appear on the screen.
Is there something special that needs to be done in the config for the player for captions in JWPlayer and MPEG DASH?
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