From 34427d83a028690b098fd1f67e956f78bc724e22 Mon Sep 17 00:00:00 2001
From: Kleis Auke Wolthuizen <github@kleisauke.nl>
Date: Sun, 14 Aug 2022 16:53:33 +0200
Subject: [PATCH] jxlsave: correctly mark frame as last (#2988)

It's required to close the input, otherwise the encoder can't
know what the last frame is, resulting in an improper codestream.

Resolves: #2987.
---
 libvips/foreign/jxlsave.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libvips/foreign/jxlsave.c b/libvips/foreign/jxlsave.c
index 94ed4fa2..cd2c51b7 100644
--- a/libvips/foreign/jxlsave.c
+++ b/libvips/foreign/jxlsave.c
@@ -438,6 +438,11 @@ vips_foreign_save_jxl_build( VipsObject *object )
 		return( -1 );
 	}
 
+	/* This function must be called after the final frame and/or box,
+	 * otherwise the codestream will not be encoded correctly.
+	 */
+	JxlEncoderCloseInput( jxl->encoder );
+
 	do {
 		uint8_t *out;
 		size_t avail_out;