Struct v4l::io::dmabuf::stream::StreamIo

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struct StreamIo {
    handle: Arc<Handle>,
    buf_type: Type,
    streaming: bool,
}
Expand description

Stream core responsible for DMA-BUF calls

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§handle: Arc<Handle>§buf_type: Type§streaming: bool

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impl StreamIo

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fn buffer_desc(&self) -> v4l2_buffer

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fn enqueue(&mut self, index: usize, buf: &DmaBuf) -> Result<()>

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fn dequeue(&mut self) -> Result<(usize, Metadata)>

Trait Implementations§

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impl Drop for StreamIo

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl Stream for StreamIo

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type Item = ()

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fn start(&mut self) -> Result<()>

Start streaming, takes exclusive ownership of a device
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fn stop(&mut self) -> Result<()>

Stop streaming, frees all buffers

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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where U: From<T>,

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Calls U::from(self).

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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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