pub

#!/usr/bin/env bash
set -euo pipefail

# Change directory to the root of the project
cd "$(dirname "$0")/.."

# Download the Big Buck Bunny video if it doesn't exist
if [ ! -f dev/bbb.fmp4 ]; then
	if [ ! -f dev/bbb.mp4 ]; then
		echo "Downloading ya boye Big Buck Bunny..."
		wget http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4 -O dev/bbb.mp4
	fi

	echo "Converting to a (properly) fragmented MP4..."
	ffmpeg -i dev/bbb.mp4 \
		-c copy \
		-f mp4 -movflags cmaf+separate_moof+delay_moov+skip_trailer+frag_every_frame \
		dev/bbb.fmp4
fi

# Connect to localhost by default.
HOST="${HOST:-localhost}"
PORT="${PORT:-4443}"
ADDR="${ADDR:-$HOST:$PORT}"
SCHEME="${SCHEME:-https}"

# Use the name "bbb" for the broadcast.
NAME="${NAME:-bbb}"

# Combine the host into a URL.
URL="${URL:-"$SCHEME://$ADDR"}"

# Default to a source video
INPUT="${INPUT:-dev/bbb.fmp4}"

# Print out the watch URL
echo "Watch URL: https://quic.video/watch/$NAME?server=$ADDR"

# Run ffmpeg and pipe the output to moq-pub
ffmpeg -hide_banner -v quiet \
	-stream_loop -1 -re \
	-i "$INPUT" \
	-c copy \
	-an \
	-f mp4 -movflags cmaf+separate_moof+delay_moov+skip_trailer+frag_every_frame \
	- | cargo run --bin moq-karp -- --url "$URL" --path "$NAME" "$@" publish