From cb8c152ed3bc660ce5aa81f7f557c82a9dbc8df1 Mon Sep 17 00:00:00 2001
From: cn-shell <jpsn@foxmail.com>
Date: Mon, 16 Jun 2025 15:46:54 +0000
Subject: [PATCH] fix(previews): movie preview bug fix, in some case stream
 reading functions may block indefinitly

Signed-off-by: cn-shell <jpsn@foxmail.com>
Co-authored-by: Ferdinand Thiessen <opensource@fthiessen.de>
---
 lib/private/Preview/Movie.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/private/Preview/Movie.php b/lib/private/Preview/Movie.php
index 334de993dea..3c4e75bf21b 100644
--- a/lib/private/Preview/Movie.php
+++ b/lib/private/Preview/Movie.php
@@ -343,6 +343,8 @@ class Movie extends ProviderV2 {
 		$returnCode = -1;
 		$output = '';
 		if (is_resource($proc)) {
+			stream_set_blocking($pipes[1], false);
+			stream_set_blocking($pipes[2], false);
 			// Read stderr before stdout: ffmpeg's stderr can exceed 64KB (OS pipe buffer) for certain
 			// files, causing a deadlock if stdout is read first. stdout is always empty.
 			$stderr = trim(stream_get_contents($pipes[2]));