[Libav-user] Decoding external subtitles

[Anshul]

Mert Gedik <gedikmert89 at gmail.com> wrote:
>Hello,
>
>I've made a video player for iOS using ffmpeg libraries with the help
>of
>dranger tutorial.
>It is working well, and now I want to add subtitle feature.
>
>I know that, ffmpeg can decode internal subtitle stream, and for a long
>investigation, I realized that subtitle filter can decode external
>subtitle.
>
>For example,
>ffplay movie.mp4 -vf subtitles=movie.srt
>
>This renders the external subtitle on the screen. I use render word , 
>as
>subtitles are drawn on the screen and when I resize to a bigger frame
>size,
>the text resolution becomes lower.
>
>What I need is using the ffmpeg subtitle decoders but don't want to
>render
>it as fflay does, I want to get decoded subtitle data and show it in my
>UILabel.
>
>Is there a way to do this ?
>
>Thanks for helping,
>
>Regards,
>
>-MG
>
>
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Srt files are simple text file with there timing, if you have time of each audio frame, then at the same time u can read srt file directly and at correct time you can change ur ui label.
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