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Thread: How to change Encoding Closed captions

  1. #1
    Join Date
    Aug 2013
    Posts
    6

    Exclamation How to change Encoding Closed captions

    How to display a unicode text on closed caption?
    My srt file like:
    1
    00:00:00.599 --> 00:00:04.160
    Diễn vin chnh
    it display on player : Diễn viên ch*nh

    How to fix it?, my srt file encoding utf8

  2. #2

    Default

    You will need to use the method
    charToByte(String text, int pos, String characterSet, int channel)
    This is used to convert characters to closed captioning character codes. It's this method that must be extended to add support for additional character sets.

    Have a look in the README.html file of the PublishOnTextData module to see how to implement this method. There is a section at the bottom called "Notes" where this info is located.

    Salvadore

  3. #3

    Default

    I have looked into this further and my initial information seems to be out of date, so please disregard my first post.

    What player are you using and what language configuration do you have set up for closed captioning?

    Salvadore

  4. #4
    Join Date
    Aug 2013
    Posts
    6

    Default

    Thanks for reply. Sorry, I have some problem with my work last year, Now, I come back, I have still fixed this problem.

    I 've setup PublishOnTextData module but it 's still not working.
    I am using wowza server streaming for Flash (jwplayer6), Android and IOS. All of them are being used hls streaming.
    If I am using rtmp, the caption will display correctly "Diễn vin chnh" with jwplayer6 , but with hls I got fail "Diễn viên ch*nh"

  5. #5
    Join Date
    Dec 2007
    Posts
    22,013

    Default

    Take a look at the language selection section of this guide. Try setting the "cupertinoDebugVODCaptionLanguageSelection" Property to see if that adds any useful debug info to the access log.

    Richard

  6. #6
    Join Date
    Dec 2007
    Posts
    22,013

    Default

    Actually, my suggestion is probably not relevant. Can you open a ticket by writing to support@wowza.com so we can take a closer look, to see if this is a JW Player problem or a Wowza problem. If it is the player we can help get that to them.

    Please zip up your /conf folder, and recent access logs to send to Wowza support, and include a link to this thread for reference.

    Richard

  7. #7
    Join Date
    Aug 2013
    Posts
    6

    Default

    Sorry, I have some problems last year. Now, I come back. My problem have not fixed

    I using hls streaming VOD mp4 files for IOS, Android and jwplayer6.
    this problem occurs in hls but working fine with rtmp in jwplayer6
    Last edited by votrongtrung; 05-07-2014 at 09:07 AM.

  8. #8
    Join Date
    Jun 2011
    Posts
    1,047

    Default

    Hi,
    The iOS player using CEA-608 only supports English, Dutch, Spanish, Italian French and German.

    You can use webVTT for HLS, which has wider language support.
    The Closed Captioning articles explain how to turn on webVTT captions both for vod and live.

    Both VOD and Live WebVTT workflows are covered in this article.

    Daren

  9. #9
    Join Date
    Aug 2013
    Posts
    6

    Default

    I need close caption for jwplayer 6. rtmp protocol is woking well, but not in hls.
    I resolved this problem by convert all characters to html codes (examples: À Á .....) it work fine
    Now, I need to enscrypt *.srt files, protected another person can not download .srt files from my streaming (commonly, I can download http://127.0.0.1:1935/vod/sample.srt). How to do?

  10. #10
    Join Date
    Aug 2013
    Posts
    6

    Default

    I need captions for jwplayer 6
    I resolved it by convert all characters to html codes (examples: À , Á ....) it's working
    Now, I need encrypt my captions file, how to do?
    (Commonly, we can download *.srt files easy,
    example: streaming: http://127.0.0.1/vod/mp4:sample.mp4/playlist.m3u8
    -> download from url: http://127.0.0.1/vod/sample.srt.
    I need protect them, how to do?)

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