class V4L2::Buffer

• V4L2::Buffer
• Reference
• Object

Overview

Represents a "buffer" which the V4L2 kernel API controls.

Defined in:

v4l2/buffer.cr

Constructors

• .new(type : Type, memory : Memory, index : UInt32)

  Initializes a new buffer of the given type, memory type, and index.

• .new(buffer_ptr : Pointer(Linux::V4L2Buffer))

  Initializes the buffer from a pointer to a Linux::V4L2Buffer struct.

Instance Method Summary

• #bytes_used
• #fd : Int32
• #field(*args, **options)
• #field(*args, **options, &)
• #flags(*args, **options)
• #flags(*args, **options, &)
• #index(*args, **options)
• #index(*args, **options, &)
• #length(*args, **options)
• #length(*args, **options, &)
• #memory(*args, **options)
• #memory(*args, **options, &)
• #offset : UInt32
• #planes
• #requested_fd(*args, **options)
• #requested_fd(*args, **options, &)
• #to_unsafe : Pointer(Linux::V4L2Buffer)
• #type(*args, **options)
• #type(*args, **options, &)
• #user_pointer : Pointer(UInt8)

Constructor Detail

Instance Method Detail