From: Colin Clark <colin.clark@cclark.uk>
Date: Thu, 12 Aug 2021 09:15:55 +0000 (+0100)
Subject: Fix #915: Unable to view JXL code streams
X-Git-Tag: v1.7~77
X-Git-Url: http://geeqie.org/cgi-bin/gitweb.cgi?p=geeqie.git;a=commitdiff_plain;h=cd3688ae7c61f9170892ccfec96c3355e4941143

Fix #915: Unable to view JXL code streams

https://github.com/BestImageViewer/geeqie/issues/915

Use FF0A as an additional magic number for JPEG XL files.
---

diff --git a/src/image-load.c b/src/image-load.c
index 74c3ca98..0b164577 100644
--- a/src/image-load.c
+++ b/src/image-load.c
@@ -827,6 +827,13 @@ static void image_loader_setup_loader(ImageLoader *il)
 		image_loader_backend_set_jpegxl(&il->backend);
 		}
 	else
+	if (il->bytes_total >= 2 &&
+		(memcmp(il->mapped_file, "\xFF\x0A", 2) == 0))
+		{
+		DEBUG_1("Using custom jpeg xl loader");
+		image_loader_backend_set_jpegxl(&il->backend);
+		}
+	else
 #endif
 	if (il->fd->format_class == FORMAT_CLASS_COLLECTION)
 		{