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请问可以提供一份开发手册么? #7

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Z-bin opened this issue Jan 22, 2022 · 4 comments
Open

请问可以提供一份开发手册么? #7

Z-bin opened this issue Jan 22, 2022 · 4 comments

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@Z-bin
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Z-bin commented Jan 22, 2022

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@vooidzero
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vooidzero commented Jan 22, 2022

给代码写文档,那是一件相当痛苦的事情,我可不想去写。而且我大抵是不会接受 Pull Request。

要继续开发加 feature(比如 dash fmp4 下载)的话,我也肯定要重构一些东西。


目前的代码,我就给个宏观结构描述吧:

window

TaskCellWidget 包含 AbstractDownloadTask(DownloadTask.h/cpp)对象。各种 DownloadTask 类实现具体下载以及可能的 remux 任务(目前只有直播要 remux,相关内容在 Flv.h/cpp),DownloadTask 提供一些公共接口来获取标题、下载进度等信息。


输入链接的解析在 Extractor.h/cpp,从链接中提取出视频 ID 号,然后获取里面包含的所有视频,如果有付费/大会员,还要查询用户是否有权限。解析成功后弹出 DownloadDialog 对话框让用户选择要下载的视频和下载位置。因为获取视频可用画质的 api 是单个视频的,而极端情况下如柯南会包含上千个视频,全部去请求不现实,所以在 DownloadDialog 里做了个画质选择的交互。

@blockclover
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可以写一个下载YouTube的吗

@HydrangeaPurple
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可以写一个下载YouTube的吗

用"4k video downloader"

@blockclover
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blockclover commented Feb 8, 2022 via email

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