136 lines
3.4 KiB
Bash
Executable File
136 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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RECORDINGS_DIR="$SCRIPT_DIR/recordings"
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mkdir -p "$RECORDINGS_DIR"
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OUTPUT="$RECORDINGS_DIR/call_$(date +%Y%m%d_%H%M%S).mp3"
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# Argument parsing
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SHOW_INPUTS=false
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for arg in "$@"; do
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[[ "$arg" == "--show-inputs" ]] && SHOW_INPUTS=true
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done
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# Detect the default audio sink via PipeWire metadata
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DEFAULT_SINK=$(pw-metadata 0 2>/dev/null \
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| awk -F"'" '/default\.audio\.sink/ { print $4 }' \
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| grep -o '"name":"[^"]*"' \
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| cut -d'"' -f4)
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if [[ -z "$DEFAULT_SINK" ]]; then
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echo "ERROR: Could not detect default audio sink." >&2
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echo "Run ./list-sources.sh to see available devices." >&2
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exit 1
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fi
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MONITOR_SOURCE="${DEFAULT_SINK}.monitor"
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# --- show-inputs mode ---
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if $SHOW_INPUTS; then
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BAR_WIDTH=30
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DB_MIN=-60
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DB_MAX=0
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render_bar() {
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local label="$1"
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local db="$2"
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local bar=""
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local filled=0
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if [[ -n "$db" ]]; then
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# Clamp to range
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local clamped
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clamped=$(awk -v v="$db" -v lo="$DB_MIN" -v hi="$DB_MAX" \
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'BEGIN { if (v < lo) v=lo; if (v > hi) v=hi; print v }')
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filled=$(awk -v v="$clamped" -v lo="$DB_MIN" -v hi="$DB_MAX" -v w="$BAR_WIDTH" \
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'BEGIN { printf "%d", (v - lo) / (hi - lo) * w }')
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fi
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local empty=$(( BAR_WIDTH - filled ))
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# Color based on level
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local color="\033[32m" # green
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if [[ -n "$db" ]]; then
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color=$(awk -v v="$db" 'BEGIN {
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if (v >= -3) { print "\033[31m" }
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else if (v >= -12) { print "\033[33m" }
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else { print "\033[32m" }
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}')
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fi
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bar="${color}"
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local i
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for (( i=0; i<filled; i++ )); do bar+="█"; done
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for (( i=0; i<empty; i++ )); do bar+="░"; done
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bar+="\033[0m"
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local db_str="${db:- ---}"
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printf " %-13s: [%b] %6s dB\n" "$label" "$bar" "$db_str"
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}
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echo "=========================================="
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echo " Input Monitor (Ctrl+C to exit)"
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echo "=========================================="
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echo ""
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TMP_MIC=$(mktemp)
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TMP_SYS=$(mktemp)
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ffmpeg -loglevel info -f pulse -i default \
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-af ebur128 -f null - 2>"$TMP_MIC" &
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PID_MIC=$!
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ffmpeg -loglevel info -f pulse -i "$MONITOR_SOURCE" \
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-af ebur128 -f null - 2>"$TMP_SYS" &
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PID_SYS=$!
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cleanup() {
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kill "$PID_MIC" "$PID_SYS" 2>/dev/null || true
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rm -f "$TMP_MIC" "$TMP_SYS"
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tput cnorm
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echo ""
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exit 0
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}
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trap cleanup INT TERM
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tput civis # hide cursor
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# Reserve two lines
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printf "\n\n"
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while true; do
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MIC_DB=$(grep -oP 'M:\s*\K[-0-9.]+' "$TMP_MIC" 2>/dev/null | tail -1 || true)
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SYS_DB=$(grep -oP 'M:\s*\K[-0-9.]+' "$TMP_SYS" 2>/dev/null | tail -1 || true)
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printf "\033[2A" # move up 2 lines
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render_bar "Mikrofon" "$MIC_DB"
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render_bar "System Audio" "$SYS_DB"
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sleep 0.1
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done
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fi
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# --- Recording mode ---
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echo "=========================================="
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echo " Call Recorder"
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echo "=========================================="
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echo " Microphone : default"
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echo " System audio: $MONITOR_SOURCE"
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echo " Output file : $OUTPUT"
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echo "------------------------------------------"
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echo " Press Ctrl+C to stop recording."
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echo "=========================================="
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echo ""
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ffmpeg -loglevel warning \
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-f pulse -i default \
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-f pulse -i "$MONITOR_SOURCE" \
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-filter_complex "amix=inputs=2:duration=longest:normalize=0" \
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-c:a libmp3lame -b:a 128k \
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"$OUTPUT"
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echo ""
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echo "Recording saved to: $OUTPUT"
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