From 3f57f9fef1aff83413936e8734e1f82d3b5ad0a6 Mon Sep 17 00:00:00 2001
From: Jake Archibald <jaffathecake@gmail.com>
Date: Tue, 25 Aug 2020 14:13:21 +0100
Subject: [PATCH] Feature test decoding capability

---
 src/codecs/decoders.ts |   4 +++-
 src/codecs/tiny.avif   | Bin 0 -> 303 bytes
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 src/codecs/tiny.avif

diff --git a/src/codecs/decoders.ts b/src/codecs/decoders.ts
index ddb71dac..9ac64fe9 100644
--- a/src/codecs/decoders.ts
+++ b/src/codecs/decoders.ts
@@ -1,14 +1,16 @@
 import { builtinDecode, sniffMimeType, canDecodeImage } from '../lib/util';
 import Processor from './processor';
 import webpDataUrl from 'url-loader!./tiny.webp';
+import avifDataUrl from 'url-loader!./tiny.avif';
 
 const webPSupported = canDecodeImage(webpDataUrl);
+const avifSupported = canDecodeImage(avifDataUrl);
 
 export async function decodeImage(blob: Blob, processor: Processor): Promise<ImageData> {
   const mimeType = await sniffMimeType(blob);
 
   try {
-    if (mimeType === 'image/avif') {
+    if (mimeType === 'image/avif' && !(await avifSupported)) {
       return await processor.avifDecode(blob);
     }
     if (mimeType === 'image/webp' && !(await webPSupported)) {
diff --git a/src/codecs/tiny.avif b/src/codecs/tiny.avif
new file mode 100644
index 0000000000000000000000000000000000000000..bea7e3dae4ef9c1c47a770101837812f4269f003
GIT binary patch
literal 303
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z))yu(c`qbGMB^%ciD|eZK-qIucsAAByqH7!@ntmX0h5oFtN%(OVH+>Cvg74tO;<Sj
z)=Q9w?1I(qg(yL2repwqz?(2{+S{!&KvSlWwKL6Au?Q}-C)X^sK!0Vi0esJ&QtBY^
zzmsl-x2(cdp68&BX^O>ustWaNaP`KzEu|VeNPQM>)C2IbEJ+U;%16I4@s6&u8FkOk
NH=}Q&cO5yNegW-GGYJ3y

literal 0
HcmV?d00001