#!/bin/bash
# http://wiki.webmproject.org/adaptive-streaming/instructions-to-do-webm-live-streaming-via-dash
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
VP9_LIVE_PARAMS="-speed 6 -tile-columns 4 -frame-parallel 1 -threads 8 -static-thresh 0 -max-intra-rate 300 -deadline realtime -lag-in-frames 0 -error-resilient 1"
rm -f $DIR/live/*
ffmpeg \
-f mpegts \
-i $1 \
-map 0:0 \
-pix_fmt yuv420p \
-c:v libvpx-vp9 \
-keyint_min 60 -g 60 ${VP9_LIVE_PARAMS} \
-b:v 3000k \
-f webm_chunk \
-header $DIR/live/glass_360.hdr \
-chunk_start_index 1 \
$DIR/live/glass_360_%d.chk \
-map 0:1 \
-c:a libvorbis \
-b:a 128k -ar 44100 \
-f webm_chunk \
-audio_chunk_duration 2000 \
-header $DIR/live/glass_171.hdr \
-chunk_start_index 1 \
$DIR/live/glass_171_%d.chk