Module media

Support for virtio-media devices in crosvm.

This module provides implementation for the virtio-media traits required to make virtio-media devices operate under crosvm. Sub-modules then integrate these devices with crosvm.

Modules

decoder_adapter

An adapter from the virtio-media protocol to the video devices originally used with virtio-video.

Structs

ArcedMemoryMapper 🔒

A SharedMemoryMapper behind an Arc, allowing it to be shared.

CrosvmVirtioMediaDevice 🔒

Implements the required traits to operate a [VirtioMediaDevice] under crosvm.

EventQueue 🔒

Structure supporting the implementation of VirtioMediaEventQueue for sending events to the driver.

GuestMemoryMapper 🔒

Newtype to implement VirtioMediaGuestMemoryMapper on GuestMemory.

GuestMemoryMapping 🔒

Direct linear mapping of sparse guest memory.

GuestMemoryShadowMapping 🔒

Copy of sparse guest memory that is written back upon destruction.

HostMemoryMapper 🔒

Provides the ability to map host memory into the guest physical address space. Used to implement VirtioMediaHostMemoryMapper.

WaitContextPoller 🔒

Newtype to implement SessionPoller on Rc<WaitContext<Token>>.

Worker 🔒

Worker to operate a virtio-media device inside a worker thread.

Enums

GuestMemoryChunk 🔒

A chunk of guest memory which can be either directly mapped, or copied into a shadow buffer.

Token 🔒

Constants

HOST_MAPPER_RANGE 🔒

Functions

create_virtio_media_decoder_adapter_device

Create a decoder adapter device.

create_virtio_media_simple_capture_device

Create a simple media capture device.

create_virtio_media_v4l2_proxy_device

Create a proxy device for a host V4L2 device.