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thrimbletrimmer-solid
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bus-post-processing
chrusher/bus_synthesizer
mike/faster-chat-merge
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mike/cropping
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downloader/follow-game
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archive/original-v2.1
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Mike Lang c0f94059aa downloader: Stop retrying in SegmentGetter after a long timeout 
In resource contention scenarios, all calls can start failing due to
not being able to read the response in a timely manner.
This means SegmentGetters never stop retrying, leading to further contention
and a feedback loop.
We attempt to put at least some cap on this scenario by giving up
if an amount of time has elapsed to the point that we know our URL couldn't be valid anymore.
Since we don't actually know how long segment URLs are valid, we are very conservative about
this time, for now setting it to 20min.
 		6 years ago
backfiller Add stacksampler to all services 6 years ago
common get_best_segments: Let other things run 6 years ago
downloader downloader: Stop retrying in SegmentGetter after a long timeout 6 years ago
restreamer restreamer: Use correct name for dateutil 6 years ago
.gitignore Set up a docker compose file to run all images 6 years ago
.travis.yml travis.yml: Make script into individual lines 6 years ago
LICENSE Licence under MIT 6 years ago
README.md Set up a docker compose file to run all images 6 years ago
build Adding in stuff to hopefully get this to run 6 years ago
docker-compose.jsonnet Enable backdoor in all services, and add telnet to containers 6 years ago
generate-docker-compose generate-docker-compose: Clean up the container afterwards 6 years ago
generate-flamegraph generate-flamegraph: Script to create a flamegraph by querying prometheus 6 years ago
initial-design-doc.pdf Add initial design doc 6 years ago

README.md

Wubloader is a system for saving, re-serving and cutting into videos of a target twitch (or probably other HLS, but some twitch specifics are assumed) stream.

It was designed to serve the needs of the Video Strike Team as part of Desert Bus For Hope.

A full design doc can be read at initial-design-doc.pdf, but a brief overview of the components:

  • Downloader grabs segments from twitch and saves them to disk
  • Restreamer serves segments from disk as well as playlist files allowing them to be streamed
  • Backfiller queries restreamers of other servers in order to pick up segments this server doesn't have already, ie. it replicates missing segments.
  • Cutter interacts with a database to perform cutting jobs
  • Sheet Sync syncs specifc database columns to a google doc which is the primary operator interface.

Usage

All components are built as docker images. Components which access the disk expect a shared directory mounted at /mnt.

A docker-compose file is provided to run all components. See docker-compose.jsonnet to set configuration options, then generate the compose file with ./generate-docker-compose. Then run docker-compose up.