sync_ts_to_mp4

#!/usr/bin/env bash

bucket=$1

mkdir -p /tmp/buckets
W_DIR=/tmp/buckets/$bucket

# pull down the bucket into the working dir
aws s3 sync s3://$bucket $W_DIR

# open the working dir
cd $W_DIR/hls/0

SED=$(if which gsed > /dev/null; then echo "gsed"; else echo "sed"; fi)

SHORT_ID_ALPHA="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_\\-"

# initialize an index
i=0

# traverse each stream_id
for stream_id in `ls stream-*-*.ts | $SED 's/^.*stream-\(['"$SHORT_ID_ALPHA"']\{9,11\}\)-[0-9]\+\.ts$/\1/g' | grep -v offline | uniq`; do
  # concat all *.ts files per stream_id
  (ls stream-$stream_id-*.ts | sort -V | xargs cat) > /tmp/all.ts

  # convert concat'd ts file into mp4 in the base working dir
  ffmpeg -y -i /tmp/all.ts -acodec copy -vcodec libx265 $W_DIR/stream-$(date +%Y-%m-%d)-$((++i)).mp4

  # remove original segmented *.ts files
  rm stream-$stream_id-*.ts
done

# upload files back to s3
aws s3 sync --delete --acl public-read $W_DIR s3://$bucket