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wubloader
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thrimbletrimmer-solid
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bus-post-processing
chrusher/bus_synthesizer
mike/faster-chat-merge
mike/chat-no-end-time
chrusher-playlist-thumbnails
chrusher-thumbnail-frontend
mike/prizebot
condor-scripts
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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 4172ad9e7f Add some common database code 
This code manages the database connections, setting their isolation level correctly
and ensuring the idempotent schema is applied before they're used.

Applying the schema on startup means we don't need to deal with the database's state,
setting it up before running, running migrations etc. However, it does put constraints on
the changes we can safely make.

Our use of seralizable isolation means that all transactions can be treated as fully
independent - the server must behave as though they'd been run seperately in some valid order.
This will give us the least surprising results when multiple connections try to modify the same
data, though we'll need to deal with occasional transaction commit failures due to conficts.
 		6 years ago
backfiller Add stacksampler to all services 6 years ago
common Add some common database code 6 years ago
downloader downloader: Start backdoor later so workers is in locals 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
DATABASE.md database: Rename start/end to event_start/end, add channel and quality 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.