Struct devices::virtio::media::decoder_adapter::VirtioVideoAdapter

pub struct VirtioVideoAdapter<D: DecoderBackend> {
    backend: Arc<Mutex<D>>,
    capability: Capability,
}

Fields

backend: Arc<Mutex<D>>

capability: Capability

Implementations

impl<D: DecoderBackend> VirtioVideoAdapter<D>

pub fn new(backend: D) -> Self

Trait Implementations

impl<D: DecoderBackend> VideoDecoderBackend for VirtioVideoAdapter<D>

type Session = VirtioVideoAdapterSession<D>

fn new_session(&mut self, id: u32) -> IoctlResult<Self::Session>

Create a new session with the provided id.

fn close_session(&mut self, _session: Self::Session)

Close and destroy session.

fn enum_formats( &self, _session: &VideoDecoderSession<Self::Session>, direction: QueueDirection, index: u32 ) -> Option<v4l2_fmtdesc>

Returns the format at index for the given queue direction, or None if index is out of bounds.

fn frame_sizes(&self, pixel_format: u32) -> Option<v4l2_frmsize_stepwise>

Returns the supported frame sizes for pixel_format, or None if the format is not supported.

fn adjust_format( &self, session: &Self::Session, direction: QueueDirection, format: V4l2MplaneFormat ) -> V4l2MplaneFormat

Adjust format to make it applicable to the queue with the given direction for the current session.

fn apply_format( &self, session: &mut Self::Session, direction: QueueDirection, format: &V4l2MplaneFormat )

Applies format to the queue of the given direction. The format is adjusted if needed.