Download a particular time range of a kinesis video stream as an mp4

download-kinesis-video-stream.sh

#!/bin/bash

# Download a chunk of kinesis stream!
# Prerequisites: awscli, ffmpeg, jq
# Usage: ./download-kinesis-video-stream.sh --start "2020-03-08T13:53:00+11:00" --end "2020-03-08T13:54:00+11:00" --output output.mp4

# Change these to whatever you use...
STREAM_NAME="skyline-dash-front"
AWS_PROFILE="skyline"
AWS_REGION="ap-southeast-2"

POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"

case $key in
    -s|--start)
    START="$2"
    shift # past argument
    shift # past value
    ;;
    -e|--end)
    END="$2"
    shift # past argument
    shift # past value
    ;;
    -o|--output)
    OUTPUT_FILE="$2"
    shift # past argument
    shift # past value
    ;;
    *)    # unknown option
    POSITIONAL+=("$1") # save it in an array for later
    shift # past argument
    ;;
esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters

echo "Getting data endpoint for HLS streaming session..."
ENDPOINT=$(aws --region $AWS_REGION --profile $AWS_PROFILE kinesisvideo get-data-endpoint --stream-name "$STREAM_NAME" \
--api-name GET_HLS_STREAMING_SESSION_URL | jq -r '.DataEndpoint')

echo "Got $ENDPOINT"
echo "Getting HLS streaming session url..."

HLS_URL=$(aws kinesis-video-archived-media get-hls-streaming-session-url \
--region $AWS_REGION --profile $AWS_PROFILE --endpoint-url $ENDPOINT \
--stream-name $STREAM_NAME --playback-mode ON_DEMAND \
--hls-fragment-selector "FragmentSelectorType=SERVER_TIMESTAMP,TimestampRange={StartTimestamp=$START,EndTimestamp=$END}" \
--expires 43000 | jq -r '.HLSStreamingSessionURL')

echo "Got $HLS_URL"
echo "Downloading with ffmpeg"

ffmpeg -re -i "$HLS_URL" -c copy -bsf:a aac_adtstoasc "$OUTPUT_FILE"

echo "Done!"