From 4debc46d0e026e94c8c6581eb0824a4ae8e524bf Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Tue, 22 Dec 2020 11:47:54 +0000
Subject: [PATCH] Docs: add AVIF to supported formats

---
 README.md               |  2 +-
 docs/api-channel.md     |  2 +-
 docs/api-constructor.md | 12 ++++++------
 docs/api-output.md      |  4 ++--
 docs/index.html         |  2 +-
 docs/search-index.json  |  2 +-
 lib/channel.js          |  2 +-
 lib/constructor.js      | 12 ++++++------
 lib/output.js           |  4 ++--
 package.json            |  2 +-
 10 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/README.md b/README.md
index 70f0992e..cfca4f8c 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 The typical use case for this high speed Node.js module
 is to convert large images in common formats to
-smaller, web-friendly JPEG, PNG and WebP images of varying dimensions.
+smaller, web-friendly JPEG, PNG, WebP and AVIF images of varying dimensions.
 
 Resizing an image is typically 4x-5x faster than using the
 quickest ImageMagick and GraphicsMagick settings
diff --git a/docs/api-channel.md b/docs/api-channel.md
index a079bc7e..63c40bd7 100644
--- a/docs/api-channel.md
+++ b/docs/api-channel.md
@@ -70,7 +70,7 @@ Channel ordering follows vips convention:
 -   sRGB: 0: Red, 1: Green, 2: Blue, 3: Alpha.
 -   CMYK: 0: Magenta, 1: Cyan, 2: Yellow, 3: Black, 4: Alpha.
 
-Buffers may be any of the image formats supported by sharp: JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data.
+Buffers may be any of the image formats supported by sharp.
 For raw pixel input, the `options` object should contain a `raw` attribute, which follows the format of the attribute of the same name in the `sharp()` constructor.
 
 ### Parameters
diff --git a/docs/api-constructor.md b/docs/api-constructor.md
index a5ae63bf..b4ce10fe 100644
--- a/docs/api-constructor.md
+++ b/docs/api-constructor.md
@@ -4,7 +4,7 @@
 
 Constructor factory to create an instance of `sharp`, to which further methods are chained.
 
-JPEG, PNG, WebP or TIFF format image data can be streamed out from this object.
+JPEG, PNG, WebP, AVIF or TIFF format image data can be streamed out from this object.
 When using Stream based output, derived attributes are available from the `info` event.
 
 Non-critical problems encountered during processing are emitted as `warning` events.
@@ -14,9 +14,9 @@ Implements the [stream.Duplex][1] class.
 ### Parameters
 
 -   `input` **([Buffer][2] \| [string][3])?** if present, can be
-     a Buffer containing JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data, or
-     a String containing the filesystem path to an JPEG, PNG, WebP, GIF, SVG or TIFF image file.
-     JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data can be streamed into the object when not present.
+     a Buffer containing JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF or raw pixel image data, or
+     a String containing the filesystem path to an JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image file.
+     JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF or raw pixel image data can be streamed into the object when not present.
 -   `options` **[Object][4]?** if present, is an Object with optional attributes.
     -   `options.failOnError` **[boolean][5]** by default halt processing and raise an error when loading invalid images.
          Set this flag to `false` if you'd rather apply a "best effort" to decode images, even if the data is corrupt or invalid. (optional, default `true`)
@@ -26,8 +26,8 @@ Implements the [stream.Duplex][1] class.
     -   `options.sequentialRead` **[boolean][5]** Set this to `true` to use sequential rather than random access where possible.
          This can reduce memory usage and might improve performance on some systems. (optional, default `false`)
     -   `options.density` **[number][6]** number representing the DPI for vector images in the range 1 to 100000. (optional, default `72`)
-    -   `options.pages` **[number][6]** number of pages to extract for multi-page input (GIF, TIFF, PDF), use -1 for all pages. (optional, default `1`)
-    -   `options.page` **[number][6]** page number to start extracting from for multi-page input (GIF, TIFF, PDF), zero based. (optional, default `0`)
+    -   `options.pages` **[number][6]** number of pages to extract for multi-page input (GIF, WebP, AVIF, TIFF, PDF), use -1 for all pages. (optional, default `1`)
+    -   `options.page` **[number][6]** page number to start extracting from for multi-page input (GIF, WebP, AVIF, TIFF, PDF), zero based. (optional, default `0`)
     -   `options.level` **[number][6]** level to extract from a multi-level input (OpenSlide), zero based. (optional, default `0`)
     -   `options.animated` **[boolean][5]** Set to `true` to read all frames/pages of an animated image (equivalent of setting `pages` to `-1`). (optional, default `false`)
     -   `options.raw` **[Object][4]?** describes raw pixel input image data. See `raw()` for pixel ordering.
diff --git a/docs/api-output.md b/docs/api-output.md
index f61988bf..c0cd43dd 100644
--- a/docs/api-output.md
+++ b/docs/api-output.md
@@ -5,7 +5,7 @@
 Write output image data to a file.
 
 If an explicit output format is not selected, it will be inferred from the extension,
-with JPEG, PNG, WebP, TIFF, DZI, and libvips' V format supported.
+with JPEG, PNG, WebP, AVIF, TIFF, DZI, and libvips' V format supported.
 Note that raw pixel data is only supported for buffer output.
 
 By default all metadata will be removed, which includes EXIF-based orientation.
@@ -42,7 +42,7 @@ Returns **[Promise][5]&lt;[Object][6]>** when no callback is provided
 ## toBuffer
 
 Write output to a Buffer.
-JPEG, PNG, WebP, TIFF and RAW output are supported.
+JPEG, PNG, WebP, AVIF, TIFF and raw pixel data output are supported.
 
 If no explicit format is set, the output format will match the input image, except GIF and SVG input which become PNG output.
 
diff --git a/docs/index.html b/docs/index.html
index f12a402a..031b7057 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -4,7 +4,7 @@
 <head>
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-  <meta name="description" content="Resize large images in common formats to smaller, web-friendly JPEG, PNG and WebP images of varying dimensions">
+  <meta name="description" content="Resize large images in common formats to smaller, web-friendly JPEG, PNG, WebP and AVIF images of varying dimensions">
   <meta http-equiv="Content-Security-Policy" content="default-src 'self'; object-src 'none'; style-src 'unsafe-inline';
     img-src 'unsafe-inline' data: https://pixel.plumbing/px/ https://cdn.jsdelivr.net/gh/lovell/ https://www.google-analytics.com;
     connect-src 'self' https://cdn.jsdelivr.net/gh/lovell/ https://www.google-analytics.com;
diff --git a/docs/search-index.json b/docs/search-index.json
index e1f498bb..dfb54e38 100644
--- a/docs/search-index.json
+++ b/docs/search-index.json
@@ -1 +1 @@
-[{"t":"Prerequisites","d":"Node.js v10","k":"prerequisites node","l":"/install#prerequisites"},{"t":"Prebuilt binaries","d":"Ready-compiled sharp and libvips binaries are provided for use with Node.js v10 on the most common platforms macOS x64 10.13 Linux x64 glibc","k":"prebuilt binaries ready compiled sharp libvips node common platforms macos linux glibc","l":"/install#prebuilt-binaries"},{"t":"Common problems","d":"The architecture and platform of Node.js used for npm install must be the same as the architecture and platform of Node.js used at runtime.","k":"common problems architecture platform node npm install same runtime","l":"/install#common-problems"},{"t":"Custom libvips","d":"To use a custom, globally-installed version of libvips instead of the provided binaries, make sure it is at least the version listed under c","k":"custom libvips globally installed version instead binaries make sure least listed under","l":"/install#custom-libvips"},{"t":"Building from source","d":"This module will be compiled from source at npm install time when a globally-installed libvips is detected set the SHARP_IGNORE_GLOBAL_LIBVI","k":"building source module compiled npm install time globally installed libvips detected sharpignoregloballibvi","l":"/install#building-from-source"},{"t":"Custom prebuilt binaries","d":"This is an advanced approach that most people will not require. To install the prebuilt sharp binaries from a custom URL, set the sharp_bina","k":"custom prebuilt binaries advanced approach people require install sharp url sharpbina","l":"/install#custom-prebuilt-binaries"},{"t":"Chinese mirror","d":"Alibaba provide a mirror site based in China containing binaries for both sharp and libvips. To use this either set the following configurat","k":"chinese mirror alibaba site based china binaries both sharp libvips following configurat","l":"/install#chinese-mirror"},{"t":"FreeBSD","d":"The vips package must be installed before npm install is run. sh pkg install -y pkgconf vips sh cd /usr/ports/graphics/vips/ make install cl","k":"freebsd vips package installed npm install run pkg pkgconf usr ports graphics make","l":"/install#freebsd"},{"t":"Heroku","d":"Add the jemalloc buildpack to reduce the effects of memory fragmentation. Set NODE_MODULES_CACHE","k":"heroku add jemalloc buildpack reduce effects memory fragmentation nodemodulescache","l":"/install#heroku"},{"t":"AWS Lambda","d":"Set the Lambda runtime to nodejs12.x. The binaries in the node_modules directory of the deployment package must be for the Linux x64 platfor","k":"aws lambda runtime nodejs binaries nodemodules directory deployment package linux platfor","l":"/install#aws-lambda"},{"t":"Worker threads","d":"The main thread must call requiresharp before worker threads are created to ensure shared libraries remain loaded in memory until after all","k":"worker threads main thread call requiresharp created ensure shared libraries remain loaded memory until","l":"/install#worker-threads"},{"t":"Sharp","d":"Constructor factory to create an instance of sharp, to which further methods are chained.","k":"sharp constructor factory create instance further methods chained","l":"/api-constructor#sharp"},{"t":"clone","d":"Take a snapshot of the Sharp instance, returning a new instance. Cloned instances inherit the input of their parent instance. This allows mu","k":"clone snapshot sharp instance returning new cloned instances inherit input parent allows","l":"/api-constructor#clone"},{"t":"metadata","d":"Fast access to uncached image metadata without decoding any compressed image data. A Promise is returned when callback is not provided.","k":"metadata fast access uncached decoding compressed data promise returned callback","l":"/api-input#metadata"},{"t":"stats","d":"Access to pixel-derived image statistics for every channel in the image. A Promise is returned when callback is not provided.","k":"stats access pixel derived statistics every channel promise returned callback","l":"/api-input#stats"},{"t":"toFile","d":"Write output image data to a file.","k":"tofile write output data file","l":"/api-output#tofile"},{"t":"toBuffer","d":"Write output to a Buffer. JPEG, PNG, WebP, TIFF and RAW output are supported.","k":"tobuffer write output buffer jpeg png webp tiff raw","l":"/api-output#tobuffer"},{"t":"withMetadata","d":"Include all metadata EXIF, XMP, IPTC from the input image in the output image. This will also convert to and add a web-friendly sRGB ICC pro","k":"withmetadata include metadata exif xmp iptc input output also convert add web friendly srgb icc pro","l":"/api-output#withmetadata"},{"t":"toFormat","d":"Force output to a given format.","k":"toformat force output format","l":"/api-output#toformat"},{"t":"jpeg","d":"Use these JPEG options for output image.","k":"jpeg options output","l":"/api-output#jpeg"},{"t":"png","d":"Use these PNG options for output image.","k":"png options output","l":"/api-output#png"},{"t":"webp","d":"Use these WebP options for output image.","k":"webp options output","l":"/api-output#webp"},{"t":"gif","d":"Use these GIF options for output image.","k":"gif options output","l":"/api-output#gif"},{"t":"tiff","d":"Use these TIFF options for output image.","k":"tiff options output","l":"/api-output#tiff"},{"t":"avif","d":"Use these AVIF options for output image.","k":"avif options output","l":"/api-output#avif"},{"t":"heif","d":"Use these HEIF options for output image.","k":"heif options output","l":"/api-output#heif"},{"t":"raw","d":"Force output to be raw, uncompressed, 8-bit unsigned integer unit8 pixel data. Pixel ordering is left-to-right, top-to-bottom, without paddi","k":"raw force output uncompressed bit unsigned integer unit pixel data ordering left right top bottom paddi","l":"/api-output#raw"},{"t":"tile","d":"Use tile-based deep zoom image pyramid output. Set the format and options for tile images via the toFormat, jpeg, png or webp functions. Use","k":"tile based deep zoom pyramid output format options images via toformat jpeg png webp functions","l":"/api-output#tile"},{"t":"resize","d":"Resize image to width, height or width x height.","k":"resize width height","l":"/api-resize#resize"},{"t":"extend","d":"Extends/pads the edges of the image with the provided background colour. This operation will always occur after resizing and extraction, if","k":"extend extends pads edges background colour operation resizing extraction","l":"/api-resize#extend"},{"t":"extract","d":"Extract/crop a region of the image.","k":"extract crop region","l":"/api-resize#extract"},{"t":"trim","d":"Trim boring pixels from all edges that contain values similar to the top-left pixel. Images consisting entirely of a single colour will calc","k":"trim boring pixels edges contain similar top left pixel images consisting entirely single colour calc","l":"/api-resize#trim"},{"t":"composite","d":"Composite images over the processed resized, extracted etc. image.","k":"composite images processed resized extracted","l":"/api-composite#composite"},{"t":"rotate","d":"Rotate the output image by either an explicit angle or auto-orient based on the EXIF Orientation tag.","k":"rotate output explicit angle auto orient based exif orientation tag","l":"/api-operation#rotate"},{"t":"flip","d":"Flip the image about the vertical Y axis. This always occurs after rotation, if any. The use of flip implies the removal of the EXIF Orienta","k":"flip vertical axis rotation implies removal exif orienta","l":"/api-operation#flip"},{"t":"flop","d":"Flop the image about the horizontal X axis. This always occurs after rotation, if any. The use of flop implies the removal of the EXIF Orien","k":"flop horizontal axis rotation implies removal exif orien","l":"/api-operation#flop"},{"t":"affine","d":"Perform an affine transform on an image. This operation will always occur after resizing, extraction and rotation, if any.","k":"affine transform operation resizing extraction rotation","l":"/api-operation#affine"},{"t":"sharpen","d":"Sharpen the image. When used without parameters, performs a fast, mild sharpen of the output image. When a sigma is provided, performs a slo","k":"sharpen parameters fast mild output sigma slo","l":"/api-operation#sharpen"},{"t":"median","d":"Apply median filter. When used without parameters the default window is 3x3.","k":"median apply filter parameters window","l":"/api-operation#median"},{"t":"blur","d":"Blur the image. When used without parameters, performs a fast, mild blur of the output image. When a sigma is provided, performs a slower, m","k":"blur parameters fast mild output sigma slower","l":"/api-operation#blur"},{"t":"flatten","d":"Merge alpha transparency channel, if any, with a background.","k":"flatten merge alpha transparency channel background","l":"/api-operation#flatten"},{"t":"gamma","d":"Apply a gamma correction by reducing the encoding darken pre-resize at a factor of 1/gamma then increasing the encoding brighten post-resize","k":"gamma apply correction reducing encoding darken pre resize factor then increasing brighten post","l":"/api-operation#gamma"},{"t":"negate","d":"Produce the negative of the image.","k":"negate produce negative","l":"/api-operation#negate"},{"t":"normalise","d":"Enhance output image contrast by stretching its luminance to cover the full dynamic range.","k":"normalise enhance output contrast stretching luminance cover full dynamic range","l":"/api-operation#normalise"},{"t":"normalize","d":"Alternative spelling of normalise.","k":"normalize normalise","l":"/api-operation#normalize"},{"t":"convolve","d":"Convolve the image with the specified kernel.","k":"convolve specified kernel","l":"/api-operation#convolve"},{"t":"threshold","d":"Any pixel value greather than or equal to the threshold value will be set to 255, otherwise it will be set to 0.","k":"threshold pixel greather than equal otherwise","l":"/api-operation#threshold"},{"t":"boolean","d":"Perform a bitwise boolean operation with operand image.","k":"boolean bitwise operation operand","l":"/api-operation#boolean"},{"t":"linear","d":"Apply the linear formula a input b to the image levels adjustment","k":"linear apply formula input levels adjustment","l":"/api-operation#linear"},{"t":"recomb","d":"Recomb the image with the specified matrix.","k":"recomb specified matrix","l":"/api-operation#recomb"},{"t":"modulate","d":"Transforms the image using brightness, saturation and hue rotation.","k":"modulate transforms brightness saturation hue rotation","l":"/api-operation#modulate"},{"t":"removeAlpha","d":"Remove alpha channel, if any. This is a no-op if the image does not have an alpha channel.","k":"removealpha remove alpha channel","l":"/api-channel#removealpha"},{"t":"ensureAlpha","d":"Ensure alpha channel, if missing. The added alpha channel will be fully opaque. This is a no-op if the image already has an alpha channel.","k":"ensurealpha ensure alpha channel missing added fully opaque","l":"/api-channel#ensurealpha"},{"t":"extractChannel","d":"Extract a single channel from a multi-channel image.","k":"extractchannel extract single channel multi","l":"/api-channel#extractchannel"},{"t":"joinChannel","d":"Join one or more channels to the image. The meaning of the added channels depends on the output colourspace, set with toColourspace. By defa","k":"joinchannel join one channels meaning added depends output colourspace tocolourspace defa","l":"/api-channel#joinchannel"},{"t":"bandbool","d":"Perform a bitwise boolean operation on all input image channels bands to produce a single channel output image.","k":"bandbool bitwise boolean operation input channels bands produce single channel output","l":"/api-channel#bandbool"},{"t":"tint","d":"Tint the image using the provided chroma while preserving the image luminance. An alpha channel may be present and will be unchanged by the","k":"tint chroma preserving luminance alpha channel present unchanged","l":"/api-colour#tint"},{"t":"greyscale","d":"Convert to 8-bit greyscale 256 shades of grey. This is a linear operation. If the input image is in a non-linear colour space such as sRGB,","k":"greyscale convert bit shades grey linear operation input colour space such srgb","l":"/api-colour#greyscale"},{"t":"grayscale","d":"Alternative spelling of greyscale.","k":"grayscale greyscale","l":"/api-colour#grayscale"},{"t":"toColourspace","d":"Set the output colourspace. By default output image will be web-friendly sRGB, with additional channels interpreted as alpha channels.","k":"tocolourspace output colourspace web friendly srgb additional channels interpreted alpha","l":"/api-colour#tocolourspace"},{"t":"toColorspace","d":"Alternative spelling of toColourspace.","k":"tocolorspace tocolourspace","l":"/api-colour#tocolorspace"},{"t":"format","d":"An Object containing nested boolean values representing the available input and output formats/methods.","k":"format object nested boolean representing available input output formats methods","l":"/api-utility#format"},{"t":"interpolators","d":"An Object containing the available interpolators and their proper values","k":"interpolators object available proper","l":"/api-utility#interpolators"},{"t":"versions","d":"An Object containing the version numbers of libvips and its dependencies.","k":"versions object version numbers libvips dependencies","l":"/api-utility#versions"},{"t":"cache","d":"Gets or, when options are provided, sets the limits of _libvips_ operation cache. Existing entries in the cache will be trimmed after any ch","k":"cache options limits libvips operation existing entries trimmed","l":"/api-utility#cache"},{"t":"concurrency","d":"Gets or, when a concurrency is provided, sets the number of threads _libvips_ should create to process each image. The default value is the","k":"concurrency number threads libvips create process","l":"/api-utility#concurrency"},{"t":"queue","d":"An EventEmitter that emits a change event when a task is either","k":"queue eventemitter emits change event task","l":"/api-utility#queue"},{"t":"counters","d":"Provides access to internal task counters.","k":"counters provides access internal task","l":"/api-utility#counters"},{"t":"simd","d":"Get and set use of SIMD vector unit instructions. Requires libvips to have been compiled with liborc support.","k":"simd vector unit instructions requires libvips compiled liborc","l":"/api-utility#simd"}]
\ No newline at end of file
+[{"t":"Prerequisites","d":"Node.js v10","k":"prerequisites node","l":"/install#prerequisites"},{"t":"Prebuilt binaries","d":"Ready-compiled sharp and libvips binaries are provided for use with Node.js v10 on the most common platforms macOS x64 10.13 Linux x64 glibc","k":"prebuilt binaries ready compiled sharp libvips node common platforms macos linux glibc","l":"/install#prebuilt-binaries"},{"t":"Common problems","d":"The architecture and platform of Node.js used for npm install must be the same as the architecture and platform of Node.js used at runtime.","k":"common problems architecture platform node npm install same runtime","l":"/install#common-problems"},{"t":"Custom libvips","d":"To use a custom, globally-installed version of libvips instead of the provided binaries, make sure it is at least the version listed under c","k":"custom libvips globally installed version instead binaries make sure least listed under","l":"/install#custom-libvips"},{"t":"Building from source","d":"This module will be compiled from source at npm install time when a globally-installed libvips is detected set the SHARP_IGNORE_GLOBAL_LIBVI","k":"building source module compiled npm install time globally installed libvips detected sharpignoregloballibvi","l":"/install#building-from-source"},{"t":"Custom prebuilt binaries","d":"This is an advanced approach that most people will not require. To install the prebuilt sharp binaries from a custom URL, set the sharp_bina","k":"custom prebuilt binaries advanced approach people require install sharp url sharpbina","l":"/install#custom-prebuilt-binaries"},{"t":"Chinese mirror","d":"Alibaba provide a mirror site based in China containing binaries for both sharp and libvips. To use this either set the following configurat","k":"chinese mirror alibaba site based china binaries both sharp libvips following configurat","l":"/install#chinese-mirror"},{"t":"FreeBSD","d":"The vips package must be installed before npm install is run. sh pkg install -y pkgconf vips sh cd /usr/ports/graphics/vips/ make install cl","k":"freebsd vips package installed npm install run pkg pkgconf usr ports graphics make","l":"/install#freebsd"},{"t":"Heroku","d":"Add the jemalloc buildpack to reduce the effects of memory fragmentation. Set NODE_MODULES_CACHE","k":"heroku add jemalloc buildpack reduce effects memory fragmentation nodemodulescache","l":"/install#heroku"},{"t":"AWS Lambda","d":"Set the Lambda runtime to nodejs12.x. The binaries in the node_modules directory of the deployment package must be for the Linux x64 platfor","k":"aws lambda runtime nodejs binaries nodemodules directory deployment package linux platfor","l":"/install#aws-lambda"},{"t":"Worker threads","d":"The main thread must call requiresharp before worker threads are created to ensure shared libraries remain loaded in memory until after all","k":"worker threads main thread call requiresharp created ensure shared libraries remain loaded memory until","l":"/install#worker-threads"},{"t":"Sharp","d":"Constructor factory to create an instance of sharp, to which further methods are chained.","k":"sharp constructor factory create instance further methods chained","l":"/api-constructor#sharp"},{"t":"clone","d":"Take a snapshot of the Sharp instance, returning a new instance. Cloned instances inherit the input of their parent instance. This allows mu","k":"clone snapshot sharp instance returning new cloned instances inherit input parent allows","l":"/api-constructor#clone"},{"t":"metadata","d":"Fast access to uncached image metadata without decoding any compressed image data. A Promise is returned when callback is not provided.","k":"metadata fast access uncached decoding compressed data promise returned callback","l":"/api-input#metadata"},{"t":"stats","d":"Access to pixel-derived image statistics for every channel in the image. A Promise is returned when callback is not provided.","k":"stats access pixel derived statistics every channel promise returned callback","l":"/api-input#stats"},{"t":"toFile","d":"Write output image data to a file.","k":"tofile write output data file","l":"/api-output#tofile"},{"t":"toBuffer","d":"Write output to a Buffer. JPEG, PNG, WebP, AVIF, TIFF and raw pixel data output are supported.","k":"tobuffer write output buffer jpeg png webp avif tiff raw pixel data","l":"/api-output#tobuffer"},{"t":"withMetadata","d":"Include all metadata EXIF, XMP, IPTC from the input image in the output image. This will also convert to and add a web-friendly sRGB ICC pro","k":"withmetadata include metadata exif xmp iptc input output also convert add web friendly srgb icc pro","l":"/api-output#withmetadata"},{"t":"toFormat","d":"Force output to a given format.","k":"toformat force output format","l":"/api-output#toformat"},{"t":"jpeg","d":"Use these JPEG options for output image.","k":"jpeg options output","l":"/api-output#jpeg"},{"t":"png","d":"Use these PNG options for output image.","k":"png options output","l":"/api-output#png"},{"t":"webp","d":"Use these WebP options for output image.","k":"webp options output","l":"/api-output#webp"},{"t":"gif","d":"Use these GIF options for output image.","k":"gif options output","l":"/api-output#gif"},{"t":"tiff","d":"Use these TIFF options for output image.","k":"tiff options output","l":"/api-output#tiff"},{"t":"avif","d":"Use these AVIF options for output image.","k":"avif options output","l":"/api-output#avif"},{"t":"heif","d":"Use these HEIF options for output image.","k":"heif options output","l":"/api-output#heif"},{"t":"raw","d":"Force output to be raw, uncompressed, 8-bit unsigned integer unit8 pixel data. Pixel ordering is left-to-right, top-to-bottom, without paddi","k":"raw force output uncompressed bit unsigned integer unit pixel data ordering left right top bottom paddi","l":"/api-output#raw"},{"t":"tile","d":"Use tile-based deep zoom image pyramid output. Set the format and options for tile images via the toFormat, jpeg, png or webp functions. Use","k":"tile based deep zoom pyramid output format options images via toformat jpeg png webp functions","l":"/api-output#tile"},{"t":"resize","d":"Resize image to width, height or width x height.","k":"resize width height","l":"/api-resize#resize"},{"t":"extend","d":"Extends/pads the edges of the image with the provided background colour. This operation will always occur after resizing and extraction, if","k":"extend extends pads edges background colour operation resizing extraction","l":"/api-resize#extend"},{"t":"extract","d":"Extract/crop a region of the image.","k":"extract crop region","l":"/api-resize#extract"},{"t":"trim","d":"Trim boring pixels from all edges that contain values similar to the top-left pixel. Images consisting entirely of a single colour will calc","k":"trim boring pixels edges contain similar top left pixel images consisting entirely single colour calc","l":"/api-resize#trim"},{"t":"composite","d":"Composite images over the processed resized, extracted etc. image.","k":"composite images processed resized extracted","l":"/api-composite#composite"},{"t":"rotate","d":"Rotate the output image by either an explicit angle or auto-orient based on the EXIF Orientation tag.","k":"rotate output explicit angle auto orient based exif orientation tag","l":"/api-operation#rotate"},{"t":"flip","d":"Flip the image about the vertical Y axis. This always occurs after rotation, if any. The use of flip implies the removal of the EXIF Orienta","k":"flip vertical axis rotation implies removal exif orienta","l":"/api-operation#flip"},{"t":"flop","d":"Flop the image about the horizontal X axis. This always occurs after rotation, if any. The use of flop implies the removal of the EXIF Orien","k":"flop horizontal axis rotation implies removal exif orien","l":"/api-operation#flop"},{"t":"affine","d":"Perform an affine transform on an image. This operation will always occur after resizing, extraction and rotation, if any.","k":"affine transform operation resizing extraction rotation","l":"/api-operation#affine"},{"t":"sharpen","d":"Sharpen the image. When used without parameters, performs a fast, mild sharpen of the output image. When a sigma is provided, performs a slo","k":"sharpen parameters fast mild output sigma slo","l":"/api-operation#sharpen"},{"t":"median","d":"Apply median filter. When used without parameters the default window is 3x3.","k":"median apply filter parameters window","l":"/api-operation#median"},{"t":"blur","d":"Blur the image. When used without parameters, performs a fast, mild blur of the output image. When a sigma is provided, performs a slower, m","k":"blur parameters fast mild output sigma slower","l":"/api-operation#blur"},{"t":"flatten","d":"Merge alpha transparency channel, if any, with a background.","k":"flatten merge alpha transparency channel background","l":"/api-operation#flatten"},{"t":"gamma","d":"Apply a gamma correction by reducing the encoding darken pre-resize at a factor of 1/gamma then increasing the encoding brighten post-resize","k":"gamma apply correction reducing encoding darken pre resize factor then increasing brighten post","l":"/api-operation#gamma"},{"t":"negate","d":"Produce the negative of the image.","k":"negate produce negative","l":"/api-operation#negate"},{"t":"normalise","d":"Enhance output image contrast by stretching its luminance to cover the full dynamic range.","k":"normalise enhance output contrast stretching luminance cover full dynamic range","l":"/api-operation#normalise"},{"t":"normalize","d":"Alternative spelling of normalise.","k":"normalize normalise","l":"/api-operation#normalize"},{"t":"convolve","d":"Convolve the image with the specified kernel.","k":"convolve specified kernel","l":"/api-operation#convolve"},{"t":"threshold","d":"Any pixel value greather than or equal to the threshold value will be set to 255, otherwise it will be set to 0.","k":"threshold pixel greather than equal otherwise","l":"/api-operation#threshold"},{"t":"boolean","d":"Perform a bitwise boolean operation with operand image.","k":"boolean bitwise operation operand","l":"/api-operation#boolean"},{"t":"linear","d":"Apply the linear formula a input b to the image levels adjustment","k":"linear apply formula input levels adjustment","l":"/api-operation#linear"},{"t":"recomb","d":"Recomb the image with the specified matrix.","k":"recomb specified matrix","l":"/api-operation#recomb"},{"t":"modulate","d":"Transforms the image using brightness, saturation and hue rotation.","k":"modulate transforms brightness saturation hue rotation","l":"/api-operation#modulate"},{"t":"removeAlpha","d":"Remove alpha channel, if any. This is a no-op if the image does not have an alpha channel.","k":"removealpha remove alpha channel","l":"/api-channel#removealpha"},{"t":"ensureAlpha","d":"Ensure alpha channel, if missing. The added alpha channel will be fully opaque. This is a no-op if the image already has an alpha channel.","k":"ensurealpha ensure alpha channel missing added fully opaque","l":"/api-channel#ensurealpha"},{"t":"extractChannel","d":"Extract a single channel from a multi-channel image.","k":"extractchannel extract single channel multi","l":"/api-channel#extractchannel"},{"t":"joinChannel","d":"Join one or more channels to the image. The meaning of the added channels depends on the output colourspace, set with toColourspace. By defa","k":"joinchannel join one channels meaning added depends output colourspace tocolourspace defa","l":"/api-channel#joinchannel"},{"t":"bandbool","d":"Perform a bitwise boolean operation on all input image channels bands to produce a single channel output image.","k":"bandbool bitwise boolean operation input channels bands produce single channel output","l":"/api-channel#bandbool"},{"t":"tint","d":"Tint the image using the provided chroma while preserving the image luminance. An alpha channel may be present and will be unchanged by the","k":"tint chroma preserving luminance alpha channel present unchanged","l":"/api-colour#tint"},{"t":"greyscale","d":"Convert to 8-bit greyscale 256 shades of grey. This is a linear operation. If the input image is in a non-linear colour space such as sRGB,","k":"greyscale convert bit shades grey linear operation input colour space such srgb","l":"/api-colour#greyscale"},{"t":"grayscale","d":"Alternative spelling of greyscale.","k":"grayscale greyscale","l":"/api-colour#grayscale"},{"t":"toColourspace","d":"Set the output colourspace. By default output image will be web-friendly sRGB, with additional channels interpreted as alpha channels.","k":"tocolourspace output colourspace web friendly srgb additional channels interpreted alpha","l":"/api-colour#tocolourspace"},{"t":"toColorspace","d":"Alternative spelling of toColourspace.","k":"tocolorspace tocolourspace","l":"/api-colour#tocolorspace"},{"t":"format","d":"An Object containing nested boolean values representing the available input and output formats/methods.","k":"format object nested boolean representing available input output formats methods","l":"/api-utility#format"},{"t":"interpolators","d":"An Object containing the available interpolators and their proper values","k":"interpolators object available proper","l":"/api-utility#interpolators"},{"t":"versions","d":"An Object containing the version numbers of libvips and its dependencies.","k":"versions object version numbers libvips dependencies","l":"/api-utility#versions"},{"t":"cache","d":"Gets or, when options are provided, sets the limits of _libvips_ operation cache. Existing entries in the cache will be trimmed after any ch","k":"cache options limits libvips operation existing entries trimmed","l":"/api-utility#cache"},{"t":"concurrency","d":"Gets or, when a concurrency is provided, sets the number of threads _libvips_ should create to process each image. The default value is the","k":"concurrency number threads libvips create process","l":"/api-utility#concurrency"},{"t":"queue","d":"An EventEmitter that emits a change event when a task is either","k":"queue eventemitter emits change event task","l":"/api-utility#queue"},{"t":"counters","d":"Provides access to internal task counters.","k":"counters provides access internal task","l":"/api-utility#counters"},{"t":"simd","d":"Get and set use of SIMD vector unit instructions. Requires libvips to have been compiled with liborc support.","k":"simd vector unit instructions requires libvips compiled liborc","l":"/api-utility#simd"}]
\ No newline at end of file
diff --git a/lib/channel.js b/lib/channel.js
index f40e72b5..1ca2fec2 100644
--- a/lib/channel.js
+++ b/lib/channel.js
@@ -85,7 +85,7 @@ function extractChannel (channel) {
  * - sRGB: 0: Red, 1: Green, 2: Blue, 3: Alpha.
  * - CMYK: 0: Magenta, 1: Cyan, 2: Yellow, 3: Black, 4: Alpha.
  *
- * Buffers may be any of the image formats supported by sharp: JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data.
+ * Buffers may be any of the image formats supported by sharp.
  * For raw pixel input, the `options` object should contain a `raw` attribute, which follows the format of the attribute of the same name in the `sharp()` constructor.
  *
  * @param {Array<string|Buffer>|string|Buffer} images - one or more images (file paths, Buffers).
diff --git a/lib/constructor.js b/lib/constructor.js
index 22e702d8..afa5ade0 100644
--- a/lib/constructor.js
+++ b/lib/constructor.js
@@ -40,7 +40,7 @@ const debuglog = util.debuglog('sharp');
 /**
  * Constructor factory to create an instance of `sharp`, to which further methods are chained.
  *
- * JPEG, PNG, WebP or TIFF format image data can be streamed out from this object.
+ * JPEG, PNG, WebP, AVIF or TIFF format image data can be streamed out from this object.
  * When using Stream based output, derived attributes are available from the `info` event.
  *
  * Non-critical problems encountered during processing are emitted as `warning` events.
@@ -91,9 +91,9 @@ const debuglog = util.debuglog('sharp');
  * await sharp('in.gif', { animated: true }).toFile('out.webp');
  *
  * @param {(Buffer|string)} [input] - if present, can be
- *  a Buffer containing JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data, or
- *  a String containing the filesystem path to an JPEG, PNG, WebP, GIF, SVG or TIFF image file.
- *  JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data can be streamed into the object when not present.
+ *  a Buffer containing JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF or raw pixel image data, or
+ *  a String containing the filesystem path to an JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image file.
+ *  JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF or raw pixel image data can be streamed into the object when not present.
  * @param {Object} [options] - if present, is an Object with optional attributes.
  * @param {boolean} [options.failOnError=true] - by default halt processing and raise an error when loading invalid images.
  *  Set this flag to `false` if you'd rather apply a "best effort" to decode images, even if the data is corrupt or invalid.
@@ -103,8 +103,8 @@ const debuglog = util.debuglog('sharp');
  * @param {boolean} [options.sequentialRead=false] - Set this to `true` to use sequential rather than random access where possible.
  *  This can reduce memory usage and might improve performance on some systems.
  * @param {number} [options.density=72] - number representing the DPI for vector images in the range 1 to 100000.
- * @param {number} [options.pages=1] - number of pages to extract for multi-page input (GIF, TIFF, PDF), use -1 for all pages.
- * @param {number} [options.page=0] - page number to start extracting from for multi-page input (GIF, TIFF, PDF), zero based.
+ * @param {number} [options.pages=1] - number of pages to extract for multi-page input (GIF, WebP, AVIF, TIFF, PDF), use -1 for all pages.
+ * @param {number} [options.page=0] - page number to start extracting from for multi-page input (GIF, WebP, AVIF, TIFF, PDF), zero based.
  * @param {number} [options.level=0] - level to extract from a multi-level input (OpenSlide), zero based.
  * @param {boolean} [options.animated=false] - Set to `true` to read all frames/pages of an animated image (equivalent of setting `pages` to `-1`).
  * @param {Object} [options.raw] - describes raw pixel input image data. See `raw()` for pixel ordering.
diff --git a/lib/output.js b/lib/output.js
index 1f9de935..2331a249 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -20,7 +20,7 @@ const formats = new Map([
  * Write output image data to a file.
  *
  * If an explicit output format is not selected, it will be inferred from the extension,
- * with JPEG, PNG, WebP, TIFF, DZI, and libvips' V format supported.
+ * with JPEG, PNG, WebP, AVIF, TIFF, DZI, and libvips' V format supported.
  * Note that raw pixel data is only supported for buffer output.
  *
  * By default all metadata will be removed, which includes EXIF-based orientation.
@@ -72,7 +72,7 @@ function toFile (fileOut, callback) {
 
 /**
  * Write output to a Buffer.
- * JPEG, PNG, WebP, TIFF and RAW output are supported.
+ * JPEG, PNG, WebP, AVIF, TIFF and raw pixel data output are supported.
  *
  * If no explicit format is set, the output format will match the input image, except GIF and SVG input which become PNG output.
  *
diff --git a/package.json b/package.json
index 91234bf4..dade2ee5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sharp",
-  "description": "High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP and TIFF images",
+  "description": "High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images",
   "version": "0.27.0-beta1",
   "author": "Lovell Fuller <npm@lovell.info>",
   "homepage": "https://github.com/lovell/sharp",