Soft Works: > > >> -----Original Message----- >> From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Andreas >> Rheinhardt >> Sent: Wednesday, 22 September 2021 04:18 >> To: ffmpeg-devel@ffmpeg.org >> Subject: Re: [FFmpeg-devel] [PATCH v8 12/13] avfilter/split_cc: Add split_cc >> filter for closed caption handling >> >>> This is a good question, as to whether it is safe to assume that the >>> filter's lifetime doesn't end before the last frame has been processed. >>> I thought it would be? >> >> So the frames are supposed to be never forwarded to the user? Or is the >> user supposed to stop using these frames after the filter's lifetime ended? > > > The subtitle_header is global and is constant across all frames. > A resulting media file has only a (= the) single "subtitle header". > (it's not like a "header for each subtitle line or event"). >
Who ensures that it is constant across all frames? What happens if one mixes frames from two different sources? And who owns the subtitle header? - Andreas _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
