V2EX / 2026-10-28

[分享创造] 造了个开源 DLNA 投屏接收器：起因是商业投屏 app 实在用不下去

家里电视是 Fire TV ，市面上的投屏 App 广告太多，索性自己写了一个：LeanCast ，已开源（ Apache-2.0 ）。 https://github.com/addozhang/leancast 手机视频 App 里点 [TV] 选它就直接播放，无广告、无账号、全程只在局域网内。B 站 / 腾讯 / 优酷 / 爱奇艺 / 央视频 / 夸克实测可用，4K 硬解，遥控器长按快进还会阶梯加速。纯 Kotlin 、无原生库，APK 只有 5MB ，安卓 5.0+ 的电视和盒子都能装（ Fire TV 实测通过）。详细的特性列表、支持的设备矩阵和下载地址都在中文 README 里： https://github.com/addozhang/leancast/blob/main/README.zh-CN.md 欢迎试用和反馈。

Read original source

Source page screenshot: [分享创造] 造了个开源 DLNA 投屏接收器：起因是商业投屏 app 实在用不下去 — Source page screenshot · www.v2ex.com2026-11-06 UTC

Source record

Source: V2EX
Published: 2026-10-28 02:39:15 UTC
First discovered: 2026-10-28 02:45:18.355Z
Last collected: 2026-10-28 02:45:18.355Z
Author: hanfengzxh
Topic: Developer tools
Classification: Open-source projects & tools
Evidence level: E1 · source record; conclusions unverified

Research analysis

Rule-based research guidance derived from the source record. Audience and commercial demand require validation.

Project record

Source account: 家里电视是 Fire TV ，市面上的投屏 App 广告太多，索性自己写了一个：LeanCast ，已开源（ Apache-2.0 ）。 https://github.com/addozhang/leancast 手机视频 App 里点 [TV] 选它就直接播放，无广告、无账号、全程只在局域网内。B 站 / 腾讯 / 优酷 / 爱奇艺 / 央视频 / 夸克实测可用，4K 硬解，遥控器长按快进还会阶梯加速。纯 Kotlin 、无原生库，APK 只有 5MB ，安卓 5.0+ 的电视和盒子都能装（ Fire TV 实测通过）。详细的特性列表、支持的设备矩阵和下载地址都在中文 README 里： https://github.com/addozhang/leancast/blob/main/README.zh-CN.md 欢迎试用和反馈。

Observed adoption & comparisons

Recent records to compare: “astral-sh/ruff” (GitHub Trending, Nov 6, 2026); “microsoft/vscode” (GitHub Trending, Nov 6, 2026). Shared themes are navigation hints; they have not been verified as the same need or independent corroboration.

Adoption decision

Evaluate it against the tool or manual workflow it would replace. The stored record supports discovery; it does not yet establish reliability, lower operating cost or commercial adoption.

Unverified requirements

Not verified: license permissions, required hardware, installation steps, maintenance status and a representative task with its failure cases.

Next test

Choose one real task and a current alternative. Record the commit, environment, input, output, elapsed time and failure behavior; retain the result before recommending adoption.