pub struct OutputQueue {
num_buffers: usize,
buffers: BTreeMap<u32, GuestResource>,
ready_buffers: VecDeque<u32>,
}
Expand description
Queue of all the output buffers provided by crosvm.
Fields§
§num_buffers: usize
§buffers: BTreeMap<u32, GuestResource>
§ready_buffers: VecDeque<u32>
Implementations§
source§impl OutputQueue
impl OutputQueue
sourcepub fn new(num_buffers: usize) -> Self
pub fn new(num_buffers: usize) -> Self
Creates a new output queue capable of containing num_buffers
buffers.
sourcepub fn import_buffer(
&mut self,
picture_buffer_id: u32,
resource: GuestResource
) -> Result<(), OutputBufferImportError>
pub fn import_buffer( &mut self, picture_buffer_id: u32, resource: GuestResource ) -> Result<(), OutputBufferImportError>
Import a buffer, i.e. associate the buffer’s resource
to a given picture_buffer_id
, and
make the buffer ready for use.
A buffer with a given picture_buffer_id
can only be imported once.
sourcepub fn reuse_buffer(
&mut self,
picture_buffer_id: u32
) -> Result<(), OutputBufferReuseError>
pub fn reuse_buffer( &mut self, picture_buffer_id: u32 ) -> Result<(), OutputBufferReuseError>
Mark the previously-imported buffer with ID picture_buffer_id
as ready for being used.
sourcepub fn try_get_ready_buffer(&mut self) -> Option<(u32, &mut GuestResource)>
pub fn try_get_ready_buffer(&mut self) -> Option<(u32, &mut GuestResource)>
Get a buffer ready to be decoded into, if any is available.
pub fn clear_ready_buffers(&mut self)
Auto Trait Implementations§
impl RefUnwindSafe for OutputQueue
impl Send for OutputQueue
impl Sync for OutputQueue
impl Unpin for OutputQueue
impl UnwindSafe for OutputQueue
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
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