Struct FirstPassData

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pub struct FirstPassData {
    pub frame_complexity: Vec<f32>,
    pub spatial_complexity: Vec<f32>,
    pub temporal_complexity: Vec<f32>,
    pub gop_complexity: Vec<f32>,
    pub total_complexity: f32,
    pub frame_count: u64,
    pub suggested_bits: Vec<u64>,
    pub scene_changes: Vec<u64>,
    pub gop_boundaries: Vec<u64>,
    pub recommended_qp: Vec<f32>,
}

Expand description

First pass analysis data.

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§frame_complexity: Vec<f32>

Per-frame complexity values.

§spatial_complexity: Vec<f32>

Per-frame spatial complexity.

§temporal_complexity: Vec<f32>

Per-frame temporal complexity.

§gop_complexity: Vec<f32>

Per-GOP total complexity.

§total_complexity: f32

Total complexity for the entire sequence.

§frame_count: u64

Frame count.

§suggested_bits: Vec<u64>

Suggested bits per frame based on complexity.

§scene_changes: Vec<u64>

Scene change frame indices.

§gop_boundaries: Vec<u64>

Optimal GOP boundaries.

§recommended_qp: Vec<f32>

Per-frame QP recommendations.

Implementations§

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impl FirstPassData

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pub fn add_frame(&mut self, spatial: f32, temporal: f32, combined: f32)

Add a frame’s complexity data.

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pub fn mark_scene_change(&mut self, frame_num: u64)

Mark a frame as scene change.

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pub fn add_gop_boundary(&mut self, frame_num: u64)

Add GOP boundary.

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pub fn finalize_gop(&mut self)

Finalize a GOP’s complexity.

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pub fn calculate_bit_allocation(&mut self, total_bits: u64)

Calculate suggested bit allocation for second pass.

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pub fn get_suggested_bits(&self, frame_num: u64) -> Option<u64>

Get suggested bits for a frame.

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pub fn get_recommended_qp(&self, frame_num: u64) -> Option<f32>

Get recommended QP for a frame.

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pub fn is_scene_change(&self, frame_num: u64) -> bool

Check if frame is a detected scene change.

Trait Implementations§

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impl Clone for FirstPassData

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fn clone(&self) -> FirstPassData

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 FirstPassData

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

Formats the value using the given formatter. Read more

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impl Default for FirstPassData

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fn default() -> FirstPassData

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for FirstPassData

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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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