55 lines
1.5 KiB
Bash
55 lines
1.5 KiB
Bash
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#!/usr/bin/env bash
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# Watch a live recording until its downloaders exit, and record HOW they ended.
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#
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# The question this answers: when the stream stops, does ffmpeg finish cleanly
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# on #EXT-X-ENDLIST, or does it hang until something kills it? Unattended
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# recording depends on the answer -- a job that never exits needs a hard cap.
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set -u
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cd "$(dirname "$0")"
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LOG=logs/endwatch.log
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mkdir -p logs
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say() { echo "[$(date '+%H:%M:%S')] $*" | tee -a "$LOG"; }
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say "endwatch start"
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LAST_TOTAL=0
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STALL=0
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while true; do
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N=$(tasklist //FI "IMAGENAME eq ffmpeg.exe" 2>/dev/null | grep -c ffmpeg.exe)
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TOTAL=0
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for f in recordings/*; do
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[ -f "$f" ] && TOTAL=$(( TOTAL + $(stat -c%s "$f") ))
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done
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MB=$(( TOTAL / 1048576 ))
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GROW=$(( (TOTAL - LAST_TOTAL) / 1024 ))
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if [ "$TOTAL" -eq "$LAST_TOTAL" ]; then
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STALL=$(( STALL + 1 ))
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else
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STALL=0
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fi
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LAST_TOTAL=$TOTAL
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say "ffmpeg=$N total=${MB}MB grew=${GROW}KB stalled_ticks=$STALL"
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if [ "$N" -eq 0 ]; then
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say "ALL DOWNLOADERS EXITED -- stream ended and ffmpeg finished on its own"
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break
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fi
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if [ "$STALL" -ge 10 ]; then
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say "STALLED: files not growing for ~5min but ffmpeg still alive"
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say " -> it does NOT self-terminate cleanly; unattended runs need a hard cap"
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break
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fi
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sleep 30
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done
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say "final state:"
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for f in recordings/*; do
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[ -f "$f" ] || continue
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D=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$f" 2>/dev/null)
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say " $(basename "$f") $(( $(stat -c%s "$f") / 1048576 ))MB duration=${D:-unknown}s"
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done
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say "endwatch done"
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