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Codec

Struct Codec

pub struct Codec;

Expand description

Marker type implementing tile-batch CUDA surface decode traits.

Trait Implementations§

impl Clone for Codec

fn clone(&self) -> Codec

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Copy for Codec

impl Debug for Codec

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

Formats the value using the given formatter. Read more

impl Default for Codec

fn default() -> Codec

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

impl Eq for Codec

impl ImageCodec for Codec

type Error = Error

Codec-specific error type.

type Warning = Infallible

Non-fatal warning type returned in successful decode outcomes.

type Pool = J2kScratchPool

Caller-owned scratch pool type used to reuse allocations.

impl PartialEq for Codec

fn eq(&self, other: &Codec) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Codec

impl TileBatchDecodeDevice for Codec

type Context = J2kContext

Codec-specific context cached across tiles.

type DeviceSurface = Surface

Device surface returned by decode calls.

fn decode_tile_to_device<'a>( ctx: &mut DecoderContext<Self::Context>, pool: &mut Self::Pool, input: &'a [u8], fmt: PixelFormat, backend: BackendRequest, ) -> Result<Self::DeviceSurface, Self::Error>
where Self: TileBatchDecodeSubmit<Context = Self::Context, DeviceSurface = Self::DeviceSurface>,

Decode one tile to the requested backend.

fn decode_tile_region_to_device<'a>( ctx: &mut DecoderContext<Self::Context>, pool: &mut Self::Pool, input: &'a [u8], fmt: PixelFormat, roi: Rect, backend: BackendRequest, ) -> Result<Self::DeviceSurface, Self::Error>
where Self: TileBatchDecodeSubmit<Context = Self::Context, DeviceSurface = Self::DeviceSurface>,

Decode one tile region to the requested backend.

fn decode_tile_scaled_to_device<'a>( ctx: &mut DecoderContext<Self::Context>, pool: &mut Self::Pool, input: &'a [u8], fmt: PixelFormat, scale: Downscale, backend: BackendRequest, ) -> Result<Self::DeviceSurface, Self::Error>
where Self: TileBatchDecodeSubmit<Context = Self::Context, DeviceSurface = Self::DeviceSurface>,

Decode one tile at reduced resolution to the requested backend.

fn decode_tile_region_scaled_to_device<'a>( ctx: &mut DecoderContext<Self::Context>, pool: &mut Self::Pool, input: &'a [u8], fmt: PixelFormat, roi: Rect, scale: Downscale, backend: BackendRequest, ) -> Result<Self::DeviceSurface, Self::Error>
where Self: TileBatchDecodeSubmit<Context = Self::Context, DeviceSurface = Self::DeviceSurface>,

Decode one tile region at reduced resolution to the requested backend.

impl TileBatchDecodeManyDevice for Codec

type Context = J2kContext

Codec-specific context cached across tiles.

type DeviceSurface = Surface

Device surface returned by decode calls.

fn decode_tiles_to_device( ctx: &mut DecoderContext<Self::Context>, pool: &mut Self::Pool, inputs: &[&[u8]], fmt: PixelFormat, backend: BackendRequest, ) -> Result<Vec<Self::DeviceSurface>, Self::Error>

Decode many full tiles to the requested backend, preserving input order.

impl TileBatchDecodeSubmit for Codec

type Context = J2kContext

Codec-specific context cached across tiles.

type Session = CudaSession

Mutable session state shared across submissions.

type DeviceSurface = Surface

Device surface returned by completed submissions.

type SubmittedSurface = ReadySubmission<Surface, Error>

Submission handle type.

fn submit_tile_to_device( ctx: &mut DecoderContext<Self::Context>, session: &mut Self::Session, pool: &mut Self::Pool, input: &[u8], fmt: PixelFormat, backend: BackendRequest, ) -> Result<Self::SubmittedSurface, Self::Error>

Submit one full tile to the requested backend.

fn submit_tile_region_to_device( ctx: &mut DecoderContext<Self::Context>, session: &mut Self::Session, pool: &mut Self::Pool, input: &[u8], fmt: PixelFormat, roi: Rect, backend: BackendRequest, ) -> Result<Self::SubmittedSurface, Self::Error>

Submit one tile region to the requested backend.

fn submit_tile_scaled_to_device( ctx: &mut DecoderContext<Self::Context>, session: &mut Self::Session, pool: &mut Self::Pool, input: &[u8], fmt: PixelFormat, scale: Downscale, backend: BackendRequest, ) -> Result<Self::SubmittedSurface, Self::Error>

Submit one tile at reduced resolution to the requested backend.

fn submit_tile_region_scaled_to_device( ctx: &mut DecoderContext<Self::Context>, session: &mut Self::Session, pool: &mut Self::Pool, input: &[u8], fmt: PixelFormat, roi: Rect, scale: Downscale, backend: BackendRequest, ) -> Result<Self::SubmittedSurface, Self::Error>

Submit one tile region at reduced resolution to the requested backend.

fn submit_tile_request_to_device<'a>( ctx: &mut DecoderContext<Self::Context>, session: &mut Self::Session, pool: &mut Self::Pool, input: &'a [u8], fmt: PixelFormat, backend: BackendRequest, request: DecodeRequest, ) -> Result<Self::SubmittedSurface, Self::Error>

Submit one tile for a normalized full/ROI/scaled request.

Auto Trait Implementations§

impl Freeze for Codec

impl RefUnwindSafe for Codec

impl Send for Codec

impl Sync for Codec

impl Unpin for Codec

impl UnsafeUnpin for Codec

impl UnwindSafe for Codec

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T, S> SimdFrom<T, S> for T
where S: Simd,

fn simd_from(_simd: S, value: T) -> T

impl<F, T, S> SimdInto<T, S> for F
where T: SimdFrom<F, S>, S: Simd,

fn simd_into(self, simd: S) -> T

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.