fix: Fix the default value for heic_speed to 8 and make it variable i…

…n the config file

config/parameters.yml

@@ -22,7 +22,7 @@ whitelist_domains:
   - domain-1.com
   - domain-2.com
 
-# Default storage system is local, to use use AWS S3, change this param to s3
+# Default storage system is local, to use AWS S3, change this param to s3
 storage_system: local
 
 # In case storage_system: s3, you need to add those AWS S3 parameters:
@@ -35,6 +35,9 @@ aws_s3:
 # Number of threads for Imagemagick to use
 thread: 1
 
+# For Avif format: conversion speed parameter for the HEIF library.
+heic_speed: 8
+
 # Read source image timeout in seconds
 source_image_request_timeout: 5
 

src/Core/Processor/ImageProcessor.php

@@ -191,7 +191,8 @@ protected function calculateQuality(OutputImage $outputImage): string
         $quality = $outputImage->extractKey('quality');
 
         if ($outputImage->isOutputAvif()) {
-            $parameter = "-define heic:speed=2 -quality " . escapeshellarg($quality) .
+            $heicSpeed = $outputImage->getInputImage()->optionsBag()->appParameters()->parameterByKey('heic_speed');
+            $parameter = "-define heic:speed=".$heicSpeed." -quality " . escapeshellarg($quality) .
                 " " . escapeshellarg($outputImage->getOutputTmpPath());
         } elseif (is_executable(self::CWEBP_COMMAND) && $outputImage->isOutputWebP()) {
             $lossLess = $outputImage->extractKey('webp-lossless') ? 'true' : 'false';