Init a timecode struct with the passed parameters.
@param log_ctx a pointer to an arbitrary struct of which the first field
is a pointer to an AVClass struct (used for av_log)
@param tc pointer to an allocated AVTimecode
@param rate frame rate in rational form
@param flags miscellaneous flags such as drop frame, +24 hours, ...
(see AVTimecodeFlag)
@param frame_start the first frame number
@return 0 on success, AVERROR otherwise
Init a timecode struct with the passed parameters.
@param log_ctx a pointer to an arbitrary struct of which the first field is a pointer to an AVClass struct (used for av_log) @param tc pointer to an allocated AVTimecode @param rate frame rate in rational form @param flags miscellaneous flags such as drop frame, +24 hours, ... (see AVTimecodeFlag) @param frame_start the first frame number @return 0 on success, AVERROR otherwise