135 lines
5.1 KiB
Bash
Executable File
135 lines
5.1 KiB
Bash
Executable File
#!/bin/sh
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# Veskslop TTS command-provider wrapper for MicroslopSam.
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#
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# Recommended Veskslop configuration:
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# VESKSLOP_TTS_CMD="<repo>/setup/vekslop-tts.sh {out} {text_file}"
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# VESKSLOP_TTS_VOICES="$(setup/vekslop-tts.sh --voices)"
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#
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# Inputs:
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# $1 {out} output WAV path
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# $2 {text_file} UTF-8 text file
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# $3... optional: voice id, speed multiplier, pitch semitones
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# env VESKSLOP_TTS_VOICE, VESKSLOP_TTS_SPEED, VESKSLOP_TTS_PITCH
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#
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# Output: 48 kHz mono s16le WAV, trimmed, faded, loudness-normalized.
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set -eu
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HERE=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
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ROOT=$(CDPATH= cd -- "$HERE/.." && pwd)
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export WINEPREFIX=${WINEPREFIX:-$HOME/.wine-microslopsam}
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export WINEARCH=win32
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VOICES="sam|Sam|male|en,mary|Mary|female|en,mike|Mike|male|en,keith-bell|Keith Bell|male|en,kerry-watson|Kerry Watson|female|en,mike-telephone|Mike (for Telephone)|male|en,mary-telephone|Mary (for Telephone)|female|en,mike-hall|Mike in Hall|male|en,mike-stadium|Mike in Stadium|male|en,mike-space|Mike in Space|male|en,mary-hall|Mary in Hall|female|en,mary-stadium|Mary in Stadium|female|en,mary-space|Mary in Space|female|en"
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if [ "${1:-}" = "--voices" ]; then
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echo "$VOICES"
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exit 0
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fi
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OUT=${1:?missing out path}
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TEXTFILE=${2:?missing text file}
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VOICE=${VESKSLOP_TTS_VOICE:-${3:-sam}}
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SPEED=${VESKSLOP_TTS_SPEED:-${4:-}}
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PITCH=${VESKSLOP_TTS_PITCH:-${5:-}}
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case "$VOICE" in
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sam) ENGVOICE="Sam" ;;
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mary) ENGVOICE="Mary" ;;
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mike) ENGVOICE="Mike" ;;
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keith-bell) ENGVOICE="Keith Bell" ;;
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kerry-watson) ENGVOICE="Kerry Watson" ;;
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mike-telephone) ENGVOICE="Mike (for Telephone)" ;;
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mary-telephone) ENGVOICE="Mary (for Telephone)" ;;
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mike-hall) ENGVOICE="Mike in Hall" ;;
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mike-stadium) ENGVOICE="Mike in Stadium" ;;
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mike-space) ENGVOICE="Mike in Space" ;;
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mary-hall) ENGVOICE="Mary in Hall" ;;
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mary-stadium) ENGVOICE="Mary in Stadium" ;;
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mary-space) ENGVOICE="Mary in Space" ;;
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*) ENGVOICE="Sam" ;;
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esac
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# Engine units. Measured naturals: MSTTS ~150, Flextalk ~300 (words/min scale).
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# Flextalk ignores ITTSAttributes pitch (verified byte-identical output).
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case "$ENGVOICE" in
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"Keith Bell"|"Kerry Watson") NAT_SPEED=300; SMAX=390 ;;
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*) NAT_SPEED=150; SMAX=450 ;;
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esac
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SET_ARGS=""
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if [ -n "$SPEED" ]; then
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S=$(awk -v m="$SPEED" -v n="$NAT_SPEED" 'BEGIN{printf "%d", n*m+0.5}')
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[ "$S" -lt 50 ] && S=50
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[ "$S" -gt "$SMAX" ] && S=$SMAX
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SET_ARGS="$SET_ARGS -s $S"
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fi
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if [ -n "$PITCH" ]; then
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case "$ENGVOICE" in
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"Keith Bell"|"Kerry Watson") : ;;
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*)
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P=$(awk -v st="$PITCH" 'BEGIN{printf "%d", 100 + st*6.25}')
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[ "$P" -lt 50 ] && P=50
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[ "$P" -gt 200 ] && P=200
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SET_ARGS="$SET_ARGS -p $P" ;;
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esac
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fi
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# The daemon does not export DISPLAY; keep a private Xvfb for the engine.
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if [ -z "${DISPLAY:-}" ]; then
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if ! [ -S /tmp/.X11-unix/X77 ]; then
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Xvfb :77 -screen 0 1024x768x24 >/dev/null 2>&1 &
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sleep 1
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fi
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export DISPLAY=:77
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fi
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TMP=$(mktemp -d)
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trap 'rm -rf "$TMP"' EXIT
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RAW="$TMP/raw.wav"
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TXT="$TMP/text.cp1252"
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# SAPI4 is ANSI/CP1252; transliterate UTF-8 (emoji become '?').
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if command -v iconv >/dev/null 2>&1; then
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iconv -f UTF-8 -t WINDOWS-1252//TRANSLIT "$TEXTFILE" > "$TXT" 2>/dev/null \
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|| cp "$TEXTFILE" "$TXT"
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else
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cp "$TEXTFILE" "$TXT"
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fi
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HOST="$ROOT/build/sapi4host-winlib.exe"
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if [ ! -x "$HOST" ]; then HOST="$ROOT/build/sapi4host.exe"; fi
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if [ ! -x "$HOST" ]; then echo "engine host not built" >&2; exit 1; fi
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if ! command -v ffmpeg >/dev/null 2>&1; then echo "ffmpeg not found" >&2; exit 1; fi
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# shellcheck disable=SC2086
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if ! "$HOST" -v "$ENGVOICE" -t "$(cat "$TXT")" -o "$RAW" $SET_ARGS \
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>/dev/null 2>"$TMP/err"; then
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head -c 400 "$TMP/err" >&2
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exit 1
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fi
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[ -s "$RAW" ] || { echo "engine produced no audio" >&2; exit 1; }
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SIL="silenceremove=start_periods=1:start_duration=0.05:start_silence=0.03:start_threshold=-50dB"
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PRE="highpass=f=40,$SIL,afade=t=in:st=0:d=0.008,areverse,$SIL,afade=t=in:st=0:d=0.008,areverse"
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LN="loudnorm=I=-16:TP=-3:LRA=11"
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# Two-pass loudnorm: measure first, then apply with the measured values.
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M=$(ffmpeg -hide_banner -nostats -i "$RAW" -af "$PRE,$LN:print_format=json" \
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-f null - 2>&1 || true)
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I=$(printf '%s' "$M" | sed -n 's/.*"input_i" *: *"\([^"]*\)".*/\1/p')
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TP=$(printf '%s' "$M" | sed -n 's/.*"input_tp" *: *"\([^"]*\)".*/\1/p')
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LRA=$(printf '%s' "$M" | sed -n 's/.*"input_lra" *: *"\([^"]*\)".*/\1/p')
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TH=$(printf '%s' "$M" | sed -n 's/.*"input_thresh" *: *"\([^"]*\)".*/\1/p')
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OFF=$(printf '%s' "$M" | sed -n 's/.*"target_offset" *: *"\([^"]*\)".*/\1/p')
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if [ -n "$I" ] && [ -n "$TP" ] && [ -n "$LRA" ] && [ -n "$TH" ] && [ -n "$OFF" ]; then
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LN="$LN:measured_I=$I:measured_TP=$TP:measured_LRA=$LRA:measured_thresh=$TH:offset=$OFF:linear=true"
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fi
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TMPOUT="$TMP/out.wav"
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if ! ffmpeg -hide_banner -nostats -y -i "$RAW" -af "$PRE,$LN" \
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-ar 48000 -ac 1 -c:a pcm_s16le "$TMPOUT" >/dev/null 2>"$TMP/ff"; then
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head -c 400 "$TMP/ff" >&2
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exit 1
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fi
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[ -s "$TMPOUT" ] || { echo "post-processing produced no audio" >&2; exit 1; }
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mv -f "$TMPOUT" "$OUT"
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