If you’re taking a similar route to YouTube, you also need a ton of CPU/GPU power and/or specialized hardware. YouTube transcodes every video into 2 (3 for videos with >~2M views) different formats in 5 different resolutions. A community-run service could skip on some of that, but it’d come at the cost of lower quality, less support for older devices, or higher bandwidth usage.
If you’re taking a similar route to YouTube, you also need a ton of CPU/GPU power and/or specialized hardware. YouTube transcodes every video into 2 (3 for videos with >~2M views) different formats in 5 different resolutions. A community-run service could skip on some of that, but it’d come at the cost of lower quality, less support for older devices, or higher bandwidth usage.