Struct ravif::Encoder

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Quality 1..=100. Panics if out of range.

Quality for the alpha channel only. 1..=100. Panics if out of range.

1..=10. 1 = very very slow, but max compression. 10 = quick, but larger file sizes and lower quality.

Changes how color channels are stored in the image. The default is YCbCr.

Note that this is only internal detail for the AVIF file, and doesn’t change color space of inputs to encode functions.

Store color channels using 10-bit depth instead of the default 8-bit.

Configures rayon thread pool size. The default None is to use all threads in the default rayon thread pool.

Configure handling of color channels in transparent images

Make a new AVIF image from RGBA pixels (non-premultiplied, alpha last)

Make the Img for the buffer like this:

Img::new(&pixels_rgba[..], width, height)

If you have pixels as u8 slice, then first do:

use rgb::ComponentSlice;
let pixels_rgba = pixels_u8.as_rgba();

If all pixels are opaque, alpha channel will be left out automatically.

It’s highly recommended to apply cleared_alpha first.

returns AVIF file, size of color metadata, size of alpha metadata overhead

Make a new AVIF image from RGB pixels

Make the Img for the buffer like this:

Img::new(&pixels_rgb[..], width, height)

If you have pixels as u8 slice, then first do:

use rgb::ComponentSlice;
let pixels_rgba = pixels_u8.as_rgb();

returns AVIF file, size of color metadata

If config.color_space is ColorSpace::YCbCr, then it takes 8-bit BT.709 color space.

Alpha always uses full range. Chroma subsampling is not supported, and it’s a bad idea for AVIF anyway.

returns AVIF file, size of color metadata, size of alpha metadata overhead

Returns the argument unchanged.

Calls U::from(self).

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