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feat: export vtt

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This commit is contained in:
My-Responsitories
2026-06-13 12:00:02 +08:00
parent 3085d58508
commit 955fdc17e2
1 changed files with 85 additions and 45 deletions
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130
lib/pages/video/widgets/header_control.dart
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@@ -1147,61 +1147,99 @@ class HeaderControlState extends State<HeaderControl>
);
}
Future<_SubtitleFormat?> _showFormatDialog() {
return showDialog<_SubtitleFormat>(
context: context,
builder: (context) => SimpleDialog(
title: const Text('选择格式'),
children: [
SimpleDialogOption(
onPressed: () => Get.back(result: _SubtitleFormat.json),
child: const Text('JSON'),
),
SimpleDialogOption(
onPressed: () => Get.back(result: _SubtitleFormat.vtt),
child: const Text('WEBVTT'),
),
],
),
);
}
void onExportSubtitle() {
showDialog(
context: context,
builder: (context) => SimpleDialog(
clipBehavior: Clip.hardEdge,
contentPadding: const EdgeInsets.fromLTRB(0, 12, 0, 12),
title: const Text('保存字幕'),
children: videoDetailCtr.subtitles
.map(
(item) => SimpleDialogOption(
onPressed: () async {
Get.back();
final url = item.subtitleUrl;
if (url == null || url.isEmpty) return;
try {
final res = await Request.dio.get<Uint8List>(
url.http2https,
options: Options(
responseType: ResponseType.bytes,
headers: Constants.baseHeaders,
extra: {'account': const NoAccount()},
),
);
if (res.statusCode == 200) {
final bytes = Uint8List.fromList(
builder: (context) {
final subtitles = videoDetailCtr.subtitles;
return SimpleDialog(
clipBehavior: Clip.hardEdge,
contentPadding: const EdgeInsets.fromLTRB(0, 12, 0, 12),
title: const Text('保存字幕'),
children: List.generate(subtitles.length, (i) {
final item = subtitles[i];
return SimpleDialogOption(
onPressed: () async {
Get.back();
final url = item.subtitleUrl;
if (url == null || url.isEmpty) return;
final format = await _showFormatDialog();
if (format == null) return;
try {
final Uint8List bytes;
switch (format) {
case .vtt:
var subtitle = videoDetailCtr.vttSubtitles[i];
if (subtitle == null) {
final res = await VideoHttp.vttSubtitles(
item.subtitleUrl!,
);
if (res == null) return;
subtitle = (isData: true, id: res);
videoDetailCtr.vttSubtitles[i] = subtitle;
}
bytes = utf8.encode(subtitle.id);
case .json:
final res = await Request.dio.get<Uint8List>(
url.http2https,
options: Options(
responseType: ResponseType.bytes,
headers: Constants.baseHeaders,
extra: {'account': const NoAccount()},
),
);
if (res.statusCode != 200) return;
bytes = Uint8List.fromList(
Request.responseBytesDecoder(
res.data!,
res.headers.map,
),
);
String name =
'${introController.videoDetail.value.title}-${videoDetailCtr.bvid}-${videoDetailCtr.cid.value}-${item.lanDoc}.json';
if (Platform.isWindows) {
// Reserved characters may not be used in file names. See: https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions
name = name.replaceAll(
RegExp(r'[<>:/\\|?*"]'),
'',
);
}
StorageUtils.saveBytes2File(
name: name,
bytes: bytes,
allowedExtensions: const ['json'],
);
}
} catch (e, s) {
Utils.reportError(e, s);
SmartDialog.showToast(e.toString());
}
},
child: Text(item.lanDoc!, style: const TextStyle(fontSize: 14)),
String name =
'${introController.videoDetail.value.title}-${videoDetailCtr.bvid}-${videoDetailCtr.cid.value}-${item.lanDoc}.${format.name}';
// Reserved characters may not be used in file names. See: https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions
name = name.replaceAll(
Platform.isWindows ? RegExp(r'[<>:/\\|?*"]') : '/',
'_',
);
StorageUtils.saveBytes2File(
name: name,
bytes: bytes,
allowedExtensions: [format.name],
);
} catch (e, s) {
Utils.reportError(e, s);
SmartDialog.showToast(e.toString());
}
},
child: Text(
item.lanDoc!,
style: const TextStyle(fontSize: 14),
),
)
.toList(),
),
);
}),
);
},
);
}
@@ -2055,3 +2093,5 @@ class HeaderControlState extends State<HeaderControl>
);
}
}
enum _SubtitleFormat { json, vtt }