#!/bin/bash -e

#####################################################
# 
# This script will stream a video to an RTMP ingestion
# server that accepts H264 encoding. Can be used for
# live streaming services.
#
# Usage: bash stream/rtmp.sh <input video> <rtmp url>
#
#####################################################

INPUT="${1}"
RTMP="${2}"

# Check if input and output arguments are supplied
if [ "${INPUT}" == "" ] || [ "${OUTPUT}" == "" ]; then
	echo "Please provide input and output files as your first and second arguments"
	exit 1
fi

# Check if RTMP url is provided
if [[ "${RTMP}" == "" ]]; then
	echo "Please provide an RTMP url"
	exit 2
fi

ffmpeg -re -i "${INPUT}"\
	-c:v libx264 \
	-preset veryfast \
	-maxrate 2048k \
	-bufsize 4096k \
	-pix_fmt yuv420p \
	-g 60 \
	-c:a aac \
	-b:a 190k \
	-ac 2 \
	-ar 44100 \
	-f flv \
	"${RTMP}"