feat: Add support for custom file names in screenshot functionality

CHANGELOG_CN.md

@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased]
 
 -   新增 `Artplayer.STYLE` 属性，返回播放器样式文本
+-   `art.screenshot('your-name')` 截图功能支持自定义文件名字
 
 ## [5.1.6] - 2024-6-15
 

packages/artplayer/src/player/screenshotMix.js

@@ -41,9 +41,10 @@ export default function screenshotMix(art) {
     });
 
     def(art, 'screenshot', {
-        value: async () => {
+        value: async (name) => {
             const dataUri = await art.getDataURL();
-            download(dataUri, `artplayer_${secondToTime($video.currentTime)}.png`);
+            const fileName = name || `artplayer_${secondToTime($video.currentTime)}`;
+            download(dataUri, `${fileName}.png`);
             art.emit('screenshot', dataUri);
             return dataUri;
         },