brew

brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-libass --with-libquvi --with-libvorbis --with-libvpx --with-opus --with-x265

hls.m3u8

#EXTM3U
#EXT-X-STREAM-INF:BANDWIDTH=64000,CODECS="mp4a.40.5"
ts/64k-audio.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=264000,RESOLUTION=400x300,CODECS="avc1.42E01F,mp4a.40.2"
ts/264k-400x300.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=728000,RESOLUTION=640x480,CODECS="avc1.42E01F,mp4a.40.2"
ts/728k-640x480.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=1628000,RESOLUTION=640x480,CODECS="avc1.42E01F,mp4a.40.2"
ts/1628k-640x480.m3u8

transcode.sh

#!/bin/bash

set -e
set -x

rm -rf ts
mkdir ts
nohup python -m SimpleHTTPServer 8090 >> /tmp/nohup.log 2>&1 &
http_pid=$!
trap "kill -9 $http_pid" SIGINT SIGTERM
ffmpeg -i input.mp4 -vn -b:a 56k -ar 44100 -ac 2 -c:a libfdk_aac -profile:a aac_he_v2 -hls_time 10 -hls_list_size 0 ts/64k-audio.m3u8 \
-s 400x300 -c:v libx264 -preset:v medium -level:v 3.0 -profile:v baseline -b:v 160k -minrate 160k -maxrate 160k -framerate 12 -b:a 64k -ar 44100 -ac 2 -c:a libfdk_aac -profile:a aac_he_v2 -hls_time 10 -hls_list_size 0 ts/264k-400x300.m3u8 \
-s 640x480 -c:v libx264 -preset:v medium -level:v 3.1 -profile:v main -b:v 540k -minrate 540k -maxrate 540k -framerate 29.97 -b:a 128k -ar 44100 -ac 2 -c:a libfdk_aac -profile:a aac_he_v2 -hls_time 10 -hls_list_size 0 ts/728k-640x480.m3u8 \
-s 640x480 -c:v libx264 -preset:v medium -level:v 3.1 -profile:v main -b:v 1350k -minrate 1350k -maxrate 1350k -framerate 29.97 -b:a 128k -ar 44100 -ac 2 -c:a libfdk_aac -profile:a aac_he_v2 -hls_time 10 -hls_list_size 0 ts/1628k-640x480.m3u8
mediastreamvalidator http://localhost:8090/hls.m3u8
kill -9 $http_pid