112 lines
4.0 KiB
Bash
112 lines
4.0 KiB
Bash
#! /bin/bash
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main() {
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local nonrecent_unix="$(($(_date +%s) - 24 * 60 * 60))" # 1d ago
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local nonrecent_ts="$(_date -d @$nonrecent_unix -u +%Y-%m-%dT%H:%M:%SZ)"
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for uuid in $(
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api /api/ | jq -r .cameras[].uuid
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); do
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local streams=(main sub)
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local recordings=($(
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api /api/cameras/$uuid/$streams/recordings \
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| jq -c '.recordings[] | [.startId, .growing, .startTime90k]' \
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| grep -v ,true, \
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| jq -r .[0] \
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| sort -n #-r
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))
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for recording_idx in $(seq 1 ${#recordings[@]}); do
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local recording=${recordings[recording_idx-1]}
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if grep "^$uuid.$recording$" /tmp/movement_detection_via_api_ffmpeg.sh.txt; then
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continue
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fi
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local ts="$(_date -u -d @"$(
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api "/api/cameras/$uuid/$streams/view.mp4.txt?s=$recording&ts=true" \
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| grep -A 1 last_modified: \
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| head -n 2 \
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| tail -n 1 \
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| awk '{print $NF}' \
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| tr -d ','
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)" +%Y-%m-%dT%H:%M:%SZ )"
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if [ -z "$ts" ] || [[ "$ts" > "$nonrecent_ts" ]]; then
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echo "$ts > $nonrecent_ts, so skipping"
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continue
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fi
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echo uuid=$uuid stream=$streams recording=$recording ts=$ts
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api "/api/cameras/$uuid/$streams/view.mp4?s=$recording&ts=true" > /tmp/movement_detection_via_api_ffmpeg.sh.mp4
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local has_change=false
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local cksum="$(cksum /tmp/movement_detection_via_api_ffmpeg.sh.mp4)"
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if grep "^$cksum$" /tmp/movement_detection_via_api_ffmpeg.sh.txt; then
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has_change=true
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fi
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if ! $has_change; then
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local fps=$(ffprobe -i /tmp/movement_detection_via_api_ffmpeg.sh.mp4 2>&1 | grep -o '[0-9]*\.*[0-9]* fps' | head -n 1 | awk '{print $1}')
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local inspection="$(ffmpeg -i /tmp/movement_detection_via_api_ffmpeg.sh.mp4 -vf 'select=not(mod(n\,'${fps%.*}')),select=gte(scene\,0),metadata=print:file=-' -an -f null - 2> /dev/null | paste - -)"
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local scores=($(echo "$inspection" | awk '{print $NF}' | sed 's/.*=//'))
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local flattened_scores=()
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for i in $(seq 1 ${#scores[@]}); do
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flattened_scores+=($(echo ${scores[@]:i-2:3} | tr ' ' '\n' | sort -n | head -n 2 | tail -n 1))
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done
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local threshold=1
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local last_n=(${flattened_scores[@]:0:7})
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for i in $(seq 1 ${#flattened_scores[@]}); do
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last_n[$(( (i-1)%7 ))]=${flattened_scores[$((i-1))]}
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max_of_last_n=$(echo "${last_n[@]}" | tr ' ' '\n' | sort | tail -n 1)
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if [[ "$max_of_last_n" < "$threshold" ]]; then
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threshold="$max_of_last_n"
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fi
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done
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threshold="$(echo "$threshold + 0.01" | bc)"
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local max_flattened_score=$(echo "${flattened_scores[@]:5:${#flattened_scores[@]}-10}" | tr ' ' '\n' | sort -n | tail -n 1)
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if [[ "${max_flattened_score#*.}" > "${threshold#*.}" ]]; then
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has_change=true
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fi
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fi
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if $has_change; then
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echo "$uuid.$recording" >> /tmp/movement_detection_via_api_ffmpeg.sh.txt
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echo "$cksum" >> /tmp/movement_detection_via_api_ffmpeg.sh.txt
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else
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local next_recording=$(( ${recordings[recording_idx]} - 1 ))
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local span="$recording"
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if [ "$recording" != "$next_recording" ]; then
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span="$recording-$next_recording"
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fi
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echo no movement in "$span"
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for stream in ${streams[@]}; do
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api "/api/cameras/$uuid/$stream/view.mp4" \
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-X DELETE \
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-H 'Content-Type: application/json' \
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-d "$(printf '{"s": "%s"}' "$span")"
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done
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fi
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done
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break
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done
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}
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api() {
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local path="$1"
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shift
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curl -sS "${CAMS_URL:-https://cams.inhome.blapointe.com}/${path#/}" "$@"
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}
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_date() {
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if which gdate &> /dev/null; then
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gdate "$@"
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else
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date "$@"
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fi
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}
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if [ "$0" == "$BASH_SOURCE" ]; then
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main "$@"
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fi
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