/**
* This function will reset a picture informations (properties and quantizers).
- * It is sometimes usefull for reusing pictures (like from a pool).
+ * It is sometimes useful for reusing pictures (like from a pool).
*/
VLC_EXPORT( void, picture_Reset, ( picture_t * ) );
* It will return VLC_EGENERIC if the core does not understand the requested
* format.
*
- * It can be usefull to get the properties of planes.
+ * It can be useful to get the properties of planes.
*/
VLC_EXPORT( int, picture_Setup, ( picture_t *, vlc_fourcc_t i_chroma, int i_width, int i_height, int i_sar_num, int i_sar_den ) );