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SampleBuffer

Struct SampleBuffer 

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pub struct SampleBuffer {
    pub sample_rate: u16,
    pub channel_count: usize,
    /* private fields */
}
Expand description

A buffer of EEG samples for batch processing

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§sample_rate: u16

Sample rate in Hz

§channel_count: usize

Number of channels

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impl SampleBuffer

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pub fn new(sample_rate: u16, channel_count: usize) -> Self

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pub fn with_capacity( sample_rate: u16, channel_count: usize, sample_capacity: usize, ) -> Self

Create a buffer with pre-allocated capacity

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pub fn sample_count(&self) -> usize

Number of samples in the buffer

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pub fn duration_secs(&self) -> f32

Duration of data in the buffer (in seconds)

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pub fn clear(&mut self)

Clear all samples from the buffer

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pub fn push(&mut self, sample: &EegSample)

Add a single sample to the buffer

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pub fn push_interleaved( &mut self, data: &[f32], timestamp_start: u64, sample_rate: u16, )

Add samples from interleaved data (sample-major order) Data format: [s0_ch0, s0_ch1, …, s1_ch0, s1_ch1, …]

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pub fn channel_data(&self, channel: usize) -> &[f32]

Get all samples for a specific channel

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pub fn channel_data_mut(&mut self, channel: usize) -> &mut [f32]

Get a mutable reference to channel data

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pub fn timestamp(&self, sample_idx: usize) -> Option<u64>

Get timestamp for a sample index

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pub fn recent_channel_data(&self, channel: usize, n: usize) -> &[f32]

Get the most recent N samples for a channel

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pub fn retain_recent(&mut self, n: usize)

Keep only the most recent N samples

Trait Implementations§

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impl Clone for SampleBuffer

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fn clone(&self) -> SampleBuffer

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SampleBuffer

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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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

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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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, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.