From 0ac128d6a2df3a84f49a4d86cfbf501bbbb52a43 Mon Sep 17 00:00:00 2001
From: ilotterytea <iltsu@alright.party>
Date: Sun, 1 Jun 2025 00:01:49 +0400
Subject: feat: file thumbnails

---
 lib/thumbnails.php | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 lib/thumbnails.php

(limited to 'lib/thumbnails.php')

diff --git a/lib/thumbnails.php b/lib/thumbnails.php
new file mode 100644
index 0000000..5afc775
--- /dev/null
+++ b/lib/thumbnails.php
@@ -0,0 +1,41 @@
+<?php
+function generate_image_thumbnail(string $src_path, string $dst_path, int $width, int $height)
+{
+    if ($src_path == "") {
+        return -2;
+    }
+
+    $input_path = escapeshellarg($src_path);
+    $output_path = escapeshellarg($dst_path);
+
+    $result_code = null;
+
+    exec(command: "magick $input_path -resize {$width}x{$height} -loop 0 $output_path", result_code: $result_code);
+
+    return $result_code;
+}
+
+function generate_video_thumbnail(string $src_path, string $folder_path, string $dst_path, int $width, int $height)
+{
+    if ($src_path == "") {
+        return -2;
+    }
+
+    if (!is_dir($folder_path) && !mkdir($folder_path, 0777, true)) {
+        return -3;
+    }
+
+    $input_path = escapeshellarg($src_path);
+    $output_path = escapeshellarg($dst_path);
+
+    $ffmpeg_command = "ffmpeg -i $input_path -vf \"fps=4,scale=320:-1:flags=lanczos\" -t 10 $folder_path/frames_%04d.png 2>&1";
+    $magick_command = "magick $folder_path/frames_*.png -loop 0 -delay 60 -resize {$width}x{$height} $output_path 2>&1";
+
+    exec($ffmpeg_command, $ffmpeg_output, $ffmpeg_result_code);
+    exec($magick_command, $magick_output, $magick_result_code);
+
+    array_map('unlink', array_filter((array) glob("$folder_path/*.*")));
+    rmdir($folder_path);
+
+    return $ffmpeg_result_code === 0 && $magick_result_code === 0 ? 0 : -1;
+}
\ No newline at end of file
-- 
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