Jonathan Noble (12020-01-19): > I'm writing a wrapper around libav. > https://github.com/jonno85uk/mediahandling/tree/Issue4_encoding > I know what was causing this condition, avformat_write_header() hadn't > been called at that time.
Calling avformat_write_header() is not optional, writing frames before it is not supported. For questions about the proper usage of the API, see this mailing-list: https://ffmpeg.org/mailman/listinfo/libav-user Regards, -- Nicolas George
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