This is a Go rewrite of the original Python M3U8 audio processor. It processes M3U8 playlists from Google Drive, downloads and processes audio files at configurable speeds, and generates podcast RSS feeds.

• Monitors Google Drive for M3U8 playlist files
• Downloads and processes audio files from M3U8 playlists
• Adjustable audio playback speed using FFmpeg
• Generates podcast RSS feeds with processed audio
• Uploads processed files back to Google Drive
• Reuses existing processed files when possible

• Docker
• Your Google

First, setup gcloud (I'll assume you can manage this package on your own):

# Auth
gcloud auth login

# Set up Application Default Credentials
gcloud auth application-default login

# Set your project ID
gcloud config set project YOUR_PROJECT_ID

# Enable required APIs
gcloud services enable drive.googleapis.com

# Enable scopes
gcloud auth application-default login --scopes=https://www.googleapis.com/auth/drive,https://www.googleapis.com/auth/cloud-platform

# Ensure the container can read (I KNOW, first thing I'll fix a frontend)
chmod +r .config/gcloud/application_default_credentials.json

Then, pull the compose file:

curl "https://raw.githubusercontent.com/micahg/cobblepod/refs/heads/main/docker-compose.yml" -o cobblepod-compose.yml

Run crontab -e to edit your user's crontab, and add the following:

@reboot docker compose -f cobblepod-compose.yml up -d

or start manually by running the docker compose command above.

To check your logs, you can run:

docker compose -f cobblepod-compose.yml logs -f cobblepod

docker compose -f cobblepod-compose.yml pull
docker compose -f cobblepod-compose.yml up --force-recreate cobblepod -d

docker run -v "$HOME/.config/gcloud:/home/appuser/.config/gcloud" cobblepod

Note, you need to make $HOME/.config/gcloud/application_default_credentials.json readable inside the docker container. THIS IS A SECURITY PROBLEM AND I KNOW IT. I'm hoping to make a proper auth fix for this in the future (where you'd sign in as a client) -- might not work though because I think google wants a reachable URL. Sadly, device code doesn't work with the google cloud permissions we need 😭

1. Install dependencies:

   go mod tidy

2. Set up Google Cloud authentication:

   gcloud auth application-default login

3. Set environment variables (optional):

   export GOOGLE_CLOUD_PROJECT_ID=your-project-id
   export DEFAULT_SPEED=1.5
   export MAX_WORKERS=4

4. Valkey

   docker run -d --name valkey -p 6379:6379 valkey/valkey:8.1.3

Build and run:

go build -o cobblepod main.go
./cobblepod

Or run directly:

go run main.go

.
├── main.go                 # Main application entry point
├── go.mod                  # Go module definition
├── pkg/
│   ├── audio/
│   │   └── processor.go    # Audio processing logic
│   ├── config/
│   │   └── config.go       # Configuration management
│   ├── gdrive/
│   │   └── gdrive.go       # Google Drive API interactions
│   └── podcast/
│       └── rss.go          # RSS feed generation

• Handles M3U8 playlist parsing
• Downloads audio files
• Processes audio with FFmpeg for speed adjustment
• Manages processing jobs and status

• Provides Google Drive API integration
• Handles file uploads, downloads, and permissions
• Manages file searches and metadata

• Generates RSS XML feeds from processed audio files
• Extracts episode mappings from existing feeds
• Handles RSS metadata and iTunes-specific tags

• Manages environment variables and default settings
• Provides centralized configuration access

This Go version maintains functional compatibility with the original Python implementation:

• Same Google Drive integration patterns
• Compatible RSS feed format
• Equivalent audio processing workflow
• Similar configuration options

Key improvements in the Go version:

• Better concurrency handling
• More explicit error handling
• Improved type safety
• Better resource management
• Faster execution