memset( &p_sys->context, 0, sizeof( cinepak_context_t ) );
var_Create( p_dec, "grayscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
memset( &p_sys->context, 0, sizeof( cinepak_context_t ) );
var_Create( p_dec, "grayscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );