feat: add subtitle parsing error prompt

Author: suemor233

electron-builder.yml

@@ -68,6 +68,6 @@ afterPack: scripts/cleaned-unused-arch-deps.js
 afterSign: scripts/notarize.js
 releaseInfo:
   releaseNotes: |
-    优化提示信息
-    修复改变窗口大小字幕消失的问题
+    优化导入字幕提示信息
+    修复改变窗口大小后字幕消失的问题
     

src/main/lib/ffmpeg.ts

@@ -96,8 +96,28 @@ export default class FFmpeg {
         .on('end', () => {
           resolve(outputPath)
         })
-        .on('error', (err) => {
-          reject(err)
+        .on('error', async (ffmpegError) => {
+          ffmpeg.ffprobe(this.ffmpeg._inputs[0].source, (err, metadata) => {
+            if (err) {
+              return reject(err)
+            }
+
+            const subtitleStream = metadata.streams
+              .filter((stream) => stream.codec_type === 'subtitle')
+              .at(index)
+
+            if (!subtitleStream) {
+              return reject(new Error('解析内嵌字幕发生错误'))
+            }
+            // 检查是否为 PGS 字幕
+            if (
+              subtitleStream.codec_name?.toLowerCase()?.includes('pgs') ||
+              subtitleStream.codec_tag_string?.toLowerCase()?.includes('pgs')
+            ) {
+              return reject(new Error('不支持加载「位图字幕」'))
+            }
+            reject(ffmpegError)
+          })
         })
     })
   }

src/renderer/src/components/modules/player/setting/items/subtitle/hooks.ts

@@ -156,10 +156,11 @@ export const useSubtitle = () => {
         })
         const subtitlePath = subtitleData?.data
         if (!subtitlePath || !data?.tags?.[index]) {
+          const message = subtitleData?.message ?? '视频内嵌字幕加载失败'
           toast({
-            title: '视频内嵌字幕加载失败',
+            title: message
           })
-          throw new Error(subtitleData?.message ?? '字幕加载失败')
+          throw new Error(message)
         }
 
         const newTags = [