mvIsReadOnly(3dm)
mvIsReadOnly - see if a movie instance is read-only
As shipped in IRIX 6.5. First release of IRIX 6.5.
NAME mvIsReadOnly - see if a movie instance is read-only SYNOPSIS #include <dmedia/moviefile.h> MVboolean mvIsReadOnly( MVid movie ); DESCRIPTION In some circumstances an application may not be allowed to modify a movie even if the movie is opened O_RDWR. Reasons for this include incomplete support of certain file formats or lack of necessary compression functionality. The call mvIsReadOnly should be called after a movie has been opened to determine whether or not calls which modify the movie will be allowed. mvIsReadOnly returns DM_TRUE if the movie is read-only and DM_FALSE if it is not. SEE ALSO mvIntro(3dm), mvOpen(3dm).