253 lines
9.8 KiB
Bash
253 lines
9.8 KiB
Bash
#!/bin/bash
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# 《林夏》音频后期批量处理脚本
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# 用法: bash audio/process_audio.sh [tts|music|sfx|ambience|all]
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# 执行前需要先跑 batch_tts.py 生产原始音频
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set -e
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cd /home/xsl/blind
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TYPE="${1:-all}"
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# ──────────────────────────────────────────────────────────────
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# TTS 后期处理: 00_raw/tts → 01_processed/tts
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# ──────────────────────────────────────────────────────────────
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process_tts() {
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echo "=== TTS 后期处理 ==="
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local count=0
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for f in audio/00_raw/tts/lv11_*.wav; do
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[ -f "$f" ] || continue
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local base=$(basename "$f")
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local out="audio/01_processed/tts/$base"
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[ -f "$out" ] && echo " 跳过: $base" && continue
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# 判断是否为电话/语音形态（需要加听筒效果）
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local apply_phone=0
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[[ "$base" == *_call_* ]] && apply_phone=1
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[[ "$base" == *_voice_* ]] && apply_phone=1
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# 例外: mom 第 16 条长语音不加听筒效果
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[[ "$base" == *lv11_0200_mom_voice* ]] && apply_phone=0
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if [ "$apply_phone" -eq 1 ]; then
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# 加听筒效果
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ffmpeg -i "$f" \
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-af "highpass=f=80,\
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acompressor=threshold=-18dB:ratio=4:attack=20:release=250,\
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highpass=f=300:poles=2,lowpass=f=3400:poles=2,\
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equalizer=f=1500:t=q:w=1:g=1,\
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loudnorm=I=-16:TP=-1:LRA=11" \
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-ar 48000 -sample_fmt s16 -ac 1 \
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-y "$out" 2>/dev/null
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else
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# 普通处理（文字/系统/长语音）
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ffmpeg -i "$f" \
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-af "highpass=f=80,\
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acompressor=threshold=-18dB:ratio=4:attack=20:release=250,\
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loudnorm=I=-16:TP=-1:LRA=11" \
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-ar 48000 -sample_fmt s16 -ac 1 \
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-y "$out" 2>/dev/null
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fi
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echo " ✓ $base"
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((count++))
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done
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echo " 处理完成 $count 条"
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}
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# ──────────────────────────────────────────────────────────────
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# 拼接分段长戏
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# ──────────────────────────────────────────────────────────────
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concat_segments() {
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echo "=== 拼接分段长戏 ==="
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# 妈妈 4'17" (8 段)
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local mom_segs=()
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for i in $(seq 1 8); do
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local seg="audio/01_processed/tts/lv11_0200_mom_voice_01_seg${i}_v1.wav"
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[ -f "$seg" ] && mom_segs+=("$seg")
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done
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if [ ${#mom_segs[@]} -eq 8 ]; then
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printf "file '%s'\n" "${mom_segs[@]}" > /tmp/mom_concat.txt
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ffmpeg -f concat -safe 0 -i /tmp/mom_concat.txt \
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-c copy -y audio/01_processed/tts/lv11_0200_mom_voice_01_full.wav 2>/dev/null
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echo " ✓ 妈妈长语音拼接完成"
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else
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echo " 跳过妈妈拼接（只有 ${#mom_segs[@]}/8 段）"
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fi
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# 小美醉语音 (4 段)
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local xiaomei_segs=()
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for i in $(seq 1 4); do
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local seg="audio/01_processed/tts/lv11_2245_xiaomei_voice_01_seg${i}_v1.wav"
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[ -f "$seg" ] && xiaomei_segs+=("$seg")
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done
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if [ ${#xiaomei_segs[@]} -eq 4 ]; then
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printf "file '%s'\n" "${xiaomei_segs[@]}" > /tmp/xiaomei_concat.txt
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ffmpeg -f concat -safe 0 -i /tmp/xiaomei_concat.txt \
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-c copy -y audio/01_processed/tts/lv11_2245_xiaomei_voice_01_full.wav 2>/dev/null
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echo " ✓ 小美醉语音拼接完成"
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else
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echo " 跳过小美拼接（只有 ${#xiaomei_segs[@]}/4 段）"
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fi
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}
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# ──────────────────────────────────────────────────────────────
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# 音乐后期: 00_raw/music → 01_processed/music
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# ──────────────────────────────────────────────────────────────
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process_music() {
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echo "=== 音乐后期处理 ==="
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local count=0
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for f in audio/00_raw/music/*.wav audio/00_raw/music/*.mp3; do
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[ -f "$f" ] || continue
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local base=$(basename "${f%.*}.wav")
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local out="audio/01_processed/music/$base"
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[ -f "$out" ] && echo " 跳过: $base" && continue
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ffmpeg -i "$f" \
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-af "equalizer=f=350:t=q:w=1.5:g=-2,\
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loudnorm=I=-18:TP=-1:LRA=11" \
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-ar 48000 -ac 2 \
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-y "$out" 2>/dev/null
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echo " ✓ $base"
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((count++))
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done
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echo " 处理完成 $count 条"
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}
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# ──────────────────────────────────────────────────────────────
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# 音效后期: 00_raw/sfx → 01_processed/sfx
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# ──────────────────────────────────────────────────────────────
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process_sfx() {
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echo "=== 音效后期处理 ==="
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local count=0
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for f in audio/00_raw/sfx/*.wav audio/00_raw/sfx/*.mp3; do
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[ -f "$f" ] || continue
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local base=$(basename "${f%.*}.wav")
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local out="audio/01_processed/sfx/$base"
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[ -f "$out" ] && continue
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ffmpeg -i "$f" \
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-af "loudnorm=I=-14:TP=-1:LRA=11" \
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-ar 48000 \
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-y "$out" 2>/dev/null
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echo " ✓ $base"
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((count++))
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done
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echo " 处理完成 $count 条"
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}
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# ──────────────────────────────────────────────────────────────
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# 环境底噪后期: 00_raw/ambience → 01_processed/ambience
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# ──────────────────────────────────────────────────────────────
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process_ambience() {
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echo "=== 环境底噪后期处理 ==="
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local count=0
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for f in audio/00_raw/ambience/*.wav; do
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[ -f "$f" ] || continue
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local base=$(basename "$f")
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local out="audio/01_processed/ambience/$base"
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[ -f "$out" ] && continue
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local channels=$(ffprobe -v quiet -select_streams a:0 \
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-show_entries stream=channels -of csv=p=0 "$f" 2>/dev/null)
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if [ "$channels" -eq 1 ] 2>/dev/null; then
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# 单声道→假性立体声
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ffmpeg -i "$f" \
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-filter_complex "[0:a]asplit=2[L][Rc];[Rc]adelay=12|12[R];[L][R]amerge=inputs=2[out]" \
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-map "[out]" -ac 2 \
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-af "highpass=f=60,lowpass=f=12000,loudnorm=I=-22:TP=-3:LRA=11" \
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-ar 48000 -y "$out" 2>/dev/null
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else
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ffmpeg -i "$f" \
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-af "highpass=f=60,lowpass=f=12000,loudnorm=I=-22:TP=-3:LRA=11" \
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-ar 48000 -ac 2 -y "$out" 2>/dev/null
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fi
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echo " ✓ $base"
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((count++))
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done
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echo " 处理完成 $count 条"
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}
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# ──────────────────────────────────────────────────────────────
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# 最终打包: 01_processed → 02_final (.ogg)
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# ──────────────────────────────────────────────────────────────
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pack_final() {
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echo "=== 最终打包 wav → ogg ==="
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for subdir in tts music sfx ambience; do
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local count=0
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for f in audio/01_processed/$subdir/*.wav; do
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[ -f "$f" ] || continue
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local base=$(basename "${f%.wav}.ogg")
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local out="audio/02_final/$subdir/$base"
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[ -f "$out" ] && continue
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ffmpeg -i "$f" -c:a libvorbis -q:a 5 -y "$out" 2>/dev/null
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((count++))
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done
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[ $count -gt 0 ] && echo " ✓ $subdir: $count 条"
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done
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echo " 打包完成"
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}
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# ──────────────────────────────────────────────────────────────
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# 响度验收报告
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# ──────────────────────────────────────────────────────────────
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qa_loudness() {
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echo "=== 响度验收 ==="
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local pass=0 fail=0
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check_dir() {
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local dir="$1" target="$2" label="$3"
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for f in audio/01_processed/$dir/*.wav; do
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[ -f "$f" ] || continue
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local lufs=$(ffmpeg -i "$f" -af loudnorm=print_format=json -f null - 2>&1 | \
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python3 -c "
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import sys, json, re
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out = sys.stdin.read()
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m = re.search(r'\"input_i\"\s*:\s*\"(-?\d+\.?\d*)\"', out)
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print(m.group(1) if m else 'err')
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")
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local diff=$(echo "$lufs $target" | awk '{d=$1-$2; if(d<0)d=-d; print d}')
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local ok=$(echo "$diff" | awk '{print ($1 <= 1.5) ? "pass" : "FAIL"}')
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printf " %-50s %s LUFS [%s]\n" "$(basename $f)" "$lufs" "$ok"
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[ "$ok" = "pass" ] && ((pass++)) || ((fail++))
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done
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}
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check_dir tts -16 "角色语音"
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check_dir music -18 "音乐"
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check_dir ambience -22 "环境底噪"
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echo ""
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echo " 通过: $pass 不通过: $fail"
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}
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# ──────────────────────────────────────────────────────────────
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# 主流程
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# ──────────────────────────────────────────────────────────────
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echo "《林夏》音频后期处理 $(date '+%Y-%m-%d %H:%M')"
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echo "执行类型: $TYPE"
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echo ""
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case "$TYPE" in
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tts) process_tts; concat_segments ;;
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music) process_music ;;
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sfx) process_sfx ;;
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ambience) process_ambience ;;
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pack) pack_final ;;
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qa) qa_loudness ;;
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all)
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process_tts
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concat_segments
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process_music
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process_sfx
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process_ambience
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pack_final
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;;
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*)
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echo "用法: bash audio/process_audio.sh [tts|music|sfx|ambience|pack|qa|all]"
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exit 1 ;;
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esac
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echo ""
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echo "完成 $(date '+%H:%M:%S')"
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