ffmpeg has a webvtt encoder and decoder already. You can use this command to convert mpeg2 closed captions into webvtt:
ffmpeg -f lavfi -i 'movie=input.mpg[out0+subcc]' -map s out.vtt Aman On Mon, Jan 18, 2016 at 7:25 AM, Sébastien Cramatte <scrama...@nixus.es> wrote: > Hi, > > We are working on an IPTv project using FFMPEG. > Now we stream Live TV channels in HLS format. > > We need to add Webvtt subtitles but as fare as I known Ffmpeg doesn't > support it yet. > We have make some lab test using CCExtractor + Home made Webvtt perl > segmenter and it works but we are > unable to sync subtitles with video/audio. > > We have seen that exists some Webvtt patch for FFMpeg but I don't know if > this code works or not. > > Basically we need to get DVB Mpeg2 TS subtitles track and output it > as webvtt hls directly with FFMpeg at same time as video / audios tracks. > We are searching to hire a guy that can achieve this job for us. > > Regards, > > Sebastien > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel