Add an example for RTMP live streaming

stream/rtmp.sh

@@ -0,0 +1,39 @@
+#!/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}"