opt: subtitle & video screenshot (#2364)

lib/http/video.dart

@@ -851,7 +851,7 @@ abstract final class VideoHttp {
       ..writeAll(
         list.map(
           (item) =>
-              '${item?['sid'] ?? 0}\n${_subtitleTimecode(item['from'])} --> ${_subtitleTimecode(item['to'])}\n${item['content'].trim()}',
+              '${_subtitleTimecode(item['from'])} --> ${_subtitleTimecode(item['to'])}\n${item['content'].trim()}',
         ),
         '\n\n',
       );

lib/pages/video/controller.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:io';
 import 'dart:math' show min;
 import 'dart:ui';
 
@@ -54,12 +53,10 @@ import 'package:PiliPlus/services/download/download_service.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/connectivity_utils.dart';
 import 'package:PiliPlus/utils/extension/context_ext.dart';
-import 'package:PiliPlus/utils/extension/file_ext.dart';
 import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/path_utils.dart';
 import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
@@ -75,7 +72,6 @@ import 'package:flutter_volume_controller/flutter_volume_controller.dart';
 import 'package:get/get.dart';
 import 'package:hive_ce/hive.dart';
 import 'package:media_kit/media_kit.dart' hide Subtitle;
-import 'package:path/path.dart' as path;
 
 class VideoDetailController extends GetxController
     with GetTickerProviderStateMixin, BlockMixin {
@@ -1081,19 +1077,8 @@ class VideoDetailController extends GetxController
       final sub = subtitles[index - 1];
 
       String subUri = subtitle.id;
-      File? file;
       if (subtitle.isData) {
-        subUri = path.join(tmpDirPath, '${cid.value}-${sub.lan}.vtt');
-        file = File(subUri);
-        if (!file.existsSync()) {
-          await file.writeAsString(subtitle.id);
-          if (plPlayerController.videoPlayerController?.disposed == false) {
-            plPlayerController.videoPlayerController!.release.add(file.tryDel);
-          } else {
-            file.tryDel();
-            return;
-          }
-        }
+        subUri = 'memory://$subUri';
       }
       await plPlayerController.videoPlayerController?.setSubtitleTrack(
         SubtitleTrack(subUri, sub.lanDoc, sub.lan, uri: true),

lib/pages/video/reply_new/view.dart

@@ -350,12 +350,16 @@ class _ReplyPageState extends CommonRichTextPubPageState<ReplyPage> {
                     final res = await plPlayerController
                         .plPlayerController
                         .videoPlayerController
-                        ?.screenshot(format: .png);
+                        ?.screenshot();
                     if (res != null) {
-                      final path =
-                          '$tmpDirPath/${Utils.generateRandomString(8)}.png';
-                      await File(path).writeAsBytes(res);
-                      imageList.add(FilePicModel(path: path));
+                      final png = await res.toByteData(format: .png);
+                      if (png != null) {
+                        final path =
+                            '$tmpDirPath/${Utils.generateRandomString(8)}.png';
+                        await File(path).writeAsBytes(png.buffer.asUint8List());
+                        imageList.add(FilePicModel(path: path));
+                      }
+                      res.dispose();
                     } else {
                       debugPrint('null screenshot');
                     }

lib/plugin/pl_player/controller.dart

@@ -1724,50 +1724,52 @@ class PlPlayerController with BlockConfigMixin {
     videoShot = await VideoHttp.videoshot(bvid: bvid, cid: cid!);
   }
 
-  void takeScreenshot() {
+  Future<void> takeScreenshot() async {
     SmartDialog.showToast('截图中');
-    videoPlayerController?.screenshot(format: .png).then((value) {
-      if (value != null) {
-        SmartDialog.showToast('点击弹窗保存截图');
-        showDialog(
-          context: Get.context!,
-          builder: (context) => GestureDetector(
-            onTap: () {
-              Get.back();
+    final image = await videoPlayerController?.screenshot();
+    if (image != null) {
+      SmartDialog.showToast('点击弹窗保存截图');
+      showDialog(
+        context: Get.context!,
+        builder: (context) => GestureDetector(
+          onTap: () async {
+            final bytes = await image.toByteData(format: .png);
+            if (bytes != null) {
               ImageUtils.saveByteImg(
-                bytes: value,
+                bytes: bytes.buffer.asUint8List(),
                 fileName: 'screenshot_${ImageUtils.time}',
               );
-            },
-            child: Align(
-              alignment: Alignment.centerRight,
-              child: Padding(
-                padding: const EdgeInsets.only(right: 12),
-                child: ConstrainedBox(
-                  constraints: BoxConstraints(
-                    maxWidth: min(DeviceUtils.size.width / 3, 350),
+            }
+            Get.back();
+          },
+          child: Align(
+            alignment: Alignment.centerRight,
+            child: Padding(
+              padding: const EdgeInsets.only(right: 12),
+              child: ConstrainedBox(
+                constraints: BoxConstraints(
+                  maxWidth: min(MediaQuery.widthOf(context) / 3, 350),
+                ),
+                child: DecoratedBox(
+                  decoration: BoxDecoration(
+                    border: Border.all(
+                      width: 5,
+                      color: ThemeUtils.theme.colorScheme.surface,
+                    ),
                   ),
-                  child: DecoratedBox(
-                    decoration: BoxDecoration(
-                      border: Border.all(
-                        width: 5,
-                        color: ThemeUtils.theme.colorScheme.surface,
-                      ),
-                    ),
-                    child: Padding(
-                      padding: const EdgeInsets.all(5),
-                      child: Image.memory(value),
-                    ),
+                  child: Padding(
+                    padding: const EdgeInsets.all(5),
+                    child: RawImage(image: image),
                   ),
                 ),
               ),
             ),
           ),
-        );
-      } else {
-        SmartDialog.showToast('截图失败');
-      }
-    });
+        ),
+      ).whenComplete(image.dispose);
+    } else {
+      SmartDialog.showToast('截图失败');
+    }
   }
 
   void onPopInvokedWithResult(bool didPop, Object? result) {