[FFmpeg-devel] Stream with Closed caption does not set appropriate flag
anshul.ffmpeg at gmail.com
Sun Mar 9 15:47:00 CET 2014
Kieran Kunhya <kierank at obe.tv> wrote:
>> but if I am able to parse more info, then we can add some flag at
>> showing that there is closed_caption inside that video stream.
>> My question is that, do we have any problem if we increase number of
>packets read at time av_find_ stream info?
>Closed captions (at least in broadcast) have to be CBR so the
>structure has to be present (but may contain NULL data). Why can you
>not just detect this yourself.
I am able to detect them using libav,but to detect using ffprobe I have to change some functionality of our apis used by ffprobe.
Please Can you eloborate cbr?
For a note, I would like to add that this disscussion is about cc interlaced inside video not demuxed cc.
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