57 lines
2.4 KiB
Bash
57 lines
2.4 KiB
Bash
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#!/bin/bash
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# 生成 PipeWire filter-chain 配置: 5.1 -> 双耳 HRTF (KEMAR)
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# 输出目标自动取当前默认输出设备; 换耳机/音箱后重跑本脚本即可。
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set -eu
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IR="/home/lou/桌面/工作区/实验/空间音频/hrir/gain"
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OUT="/home/lou/.config/pipewire/pipewire.conf.d/90-cinema-spatial.conf"
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D="FL FR FC LFE BL BR"
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mkdir -p "$(dirname "$OUT")"
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TARGET=$(wpctl inspect @DEFAULT_AUDIO_SINK@ 2>/dev/null | grep -oP 'node\.name = "\K[^"]+' | head -1 || true)
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[ -n "${TARGET:-}" ] || TARGET="alsa_output.usb-EDIFIER_Technology_EDIFIER_Fit900NB_4250315939393214-00.iec958-stereo"
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echo "输出目标: $TARGET"
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{
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echo "# 电影院空间音频: 6 声道 -> 双耳 HRTF(KEMAR) 自动生成 $(date '+%F %T')"
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echo "context.modules = ["
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echo " { name = libpipewire-module-filter-chain"
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echo " flags = [ nofail ]"
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echo " args = {"
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echo " node.description = \"电影院空间音频 (5.1 虚拟环绕)\""
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echo " media.name = \"Cinema Spatial\""
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echo " filter.graph = {"
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echo " nodes = ["
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for d in $D; do for e in L R; do
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echo " { type = builtin label = convolver name = c${d}_${e} config = { filename = \"$IR/${d}_${e}.wav\" } }"
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done; done
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for d in $D; do
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echo " { type = builtin label = copy name = cp${d} }"
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done
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for e in L R; do
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echo " { type = builtin label = mixer name = mix${e} control = { \"Gain 1\" = 1 \"Gain 2\" = 1 \"Gain 3\" = 1 \"Gain 4\" = 1 \"Gain 5\" = 1 \"Gain 6\" = 1 } }"
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done
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echo " ]"
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echo " links = ["
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for d in $D; do
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echo " { output = \"cp${d}:Out\" input = \"c${d}_L:In\" }"
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echo " { output = \"cp${d}:Out\" input = \"c${d}_R:In\" }"
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done
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n=1; for d in $D; do
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echo " { output = \"c${d}_L:Out\" input = \"mixL:In $n\" }"; n=$((n+1))
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done
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n=1; for d in $D; do
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echo " { output = \"c${d}_R:Out\" input = \"mixR:In $n\" }"; n=$((n+1))
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done
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echo " ]"
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IN=""; for d in $D; do IN="$IN \"cp${d}:In\""; done
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echo " inputs = [${IN} ]"
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echo " outputs = [ \"mixL:Out\" \"mixR:Out\" ]"
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echo " }"
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echo " capture.props = { node.name = cinema_spatial_sink media.class = Audio/Sink audio.channels = 6 audio.position = [ FL FR FC LFE BL BR ] }"
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echo " playback.props = { node.name = cinema_spatial_out node.passive = true node.target = \"$TARGET\" audio.channels = 2 audio.position = [ FL FR ] }"
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echo " }"
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echo " }"
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echo "]"
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} > "$OUT"
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echo "已生成 $OUT ($(wc -l < "$OUT") 行)"
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