[feature] use webp for thumbnails (#3116)

* update to use webp for thumbnails

* bump webp quality up to 40% from 12% (it's a bit different to jpeg quality setting)

* update to use yuva colorspace, and use thumbnail=n=10 to select frame

* fix missing comma in ffmpeg args

* add links to appropriate ffmpeg docs

* update tests

* add file size tests for thumbnails

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>
This commit is contained in:
kim 2024-07-19 15:28:43 +00:00 committed by GitHub
commit 50c9b5498b
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
72 changed files with 4496 additions and 225 deletions

9
vendor/golang.org/x/image/webp/doc.go generated vendored Normal file
View file

@ -0,0 +1,9 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package webp implements a decoder for WEBP images.
//
// WEBP is defined at:
// https://developers.google.com/speed/webp/docs/riff_container
package webp // import "golang.org/x/image/webp"