From 70426ad8a84b31c328a5b622b94bc268727bd4f5 Mon Sep 17 00:00:00 2001
From: Brad Stein <Brad.Stein@gmail.com>
Date: Fri, 24 Apr 2026 22:14:43 -0300
Subject: [PATCH] test(audio): use raw alsa for uac sanity

---
 Cargo.lock                              |  6 ++--
 client/Cargo.toml                       |  2 +-
 common/Cargo.toml                       |  2 +-
 scripts/manual/run_uac_output_sanity.sh | 43 ++++++++++++++-----------
 server/Cargo.toml                       |  2 +-
 5 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 7fe91da..74f09bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1642,7 +1642,7 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "lesavka_client"
-version = "0.13.9"
+version = "0.13.10"
 dependencies = [
  "anyhow",
  "async-stream",
@@ -1676,7 +1676,7 @@ dependencies = [
 
 [[package]]
 name = "lesavka_common"
-version = "0.13.9"
+version = "0.13.10"
 dependencies = [
  "anyhow",
  "base64",
@@ -1688,7 +1688,7 @@ dependencies = [
 
 [[package]]
 name = "lesavka_server"
-version = "0.13.9"
+version = "0.13.10"
 dependencies = [
  "anyhow",
  "base64",
diff --git a/client/Cargo.toml b/client/Cargo.toml
index cd977c8..5cf0242 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -4,7 +4,7 @@ path                    = "src/main.rs"
 
 [package]
 name                    = "lesavka_client"
-version                 = "0.13.9"
+version                 = "0.13.10"
 edition                 = "2024"
 
 [dependencies]
diff --git a/common/Cargo.toml b/common/Cargo.toml
index e61fc9d..7ea98b6 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name                    = "lesavka_common"
-version                 = "0.13.9"
+version                 = "0.13.10"
 edition                 = "2024"
 build                   = "build.rs"
 
diff --git a/scripts/manual/run_uac_output_sanity.sh b/scripts/manual/run_uac_output_sanity.sh
index 6adb736..6b7cbcb 100644
--- a/scripts/manual/run_uac_output_sanity.sh
+++ b/scripts/manual/run_uac_output_sanity.sh
@@ -18,8 +18,6 @@ fi
 DURATION_SECONDS=${LESAVKA_UAC_SANITY_SECONDS:-4}
 TONE_FREQ=${LESAVKA_UAC_SANITY_FREQ:-880}
 TONE_VOLUME=${LESAVKA_UAC_SANITY_VOLUME:-0.45}
-BUFFER_TIME_US=${LESAVKA_UAC_BUFFER_TIME_US:-20000}
-LATENCY_TIME_US=${LESAVKA_UAC_LATENCY_TIME_US:-5000}
 REQUESTED_DEV=${LESAVKA_UAC_SANITY_DEV:-${LESAVKA_UAC_DEV:-hw:UAC2Gadget,0}}
 
 declare -A SEEN_CANDIDATES=()
@@ -93,40 +91,49 @@ build_candidates() {
 run_tone() {
   local candidate="$1"
   local log
+  local wav
   log=$(mktemp)
+  wav=$(mktemp --suffix=.wav)
   echo "🎧 trying UAC playback device: $candidate" >&2
+  python3 - "$wav" "$DURATION_SECONDS" "$TONE_FREQ" "$TONE_VOLUME" <<'PY'
+import math, struct, sys, wave
+
+path, duration_s, freq_hz, volume = sys.argv[1], float(sys.argv[2]), float(sys.argv[3]), float(sys.argv[4])
+rate = 48_000
+frames = max(1, int(rate * duration_s))
+amp = max(0.0, min(volume, 1.0)) * 32767.0
+with wave.open(path, "wb") as wf:
+    wf.setnchannels(2)
+    wf.setsampwidth(2)
+    wf.setframerate(rate)
+    for index in range(frames):
+        sample = int(math.sin((2.0 * math.pi * freq_hz * index) / rate) * amp)
+        frame = struct.pack("<hh", sample, sample)
+        wf.writeframesraw(frame)
+PY
   set +e
-  timeout --signal=INT "${DURATION_SECONDS}s" \
-    gst-launch-1.0 -q \
-      audiotestsrc wave=sine freq="$TONE_FREQ" volume="$TONE_VOLUME" is-live=true \
-      ! audio/x-raw,format=S16LE,channels=2,rate=48000 \
-      ! audioconvert \
-      ! audioresample \
-      ! alsasink \
-          device="$candidate" \
-          sync=false \
-          async=false \
-          provide-clock=false \
-          enable-last-sample=false \
-          buffer-time="$BUFFER_TIME_US" \
-          latency-time="$LATENCY_TIME_US" \
-    2>"$log"
+  timeout --signal=INT "$((DURATION_SECONDS + 2))s" \
+    aplay -q -D "$candidate" "$wav" \
+    >"$log" 2>&1
   local rc=$?
   set -e
-  if grep -Eiq 'unknown pcm|playback open error|invalid argument|no such (device|file)|^error:|could not open|failed to change state|not-negotiated' "$log"; then
+  if grep -Eiq 'unknown pcm|invalid argument|no such (device|file)|audio open error|device or resource busy|unable to open slave|unable to install hw params|unable to set hw params|audio open error|no such file or directory' "$log"; then
     echo "⚠️  tone failed on $candidate (sink open error)" >&2
     sed 's/^/   /' "$log" >&2 || true
     rm -f "$log"
+    rm -f "$wav"
     return 1
   fi
   if [[ $rc -eq 0 || $rc -eq 124 ]]; then
     echo "✅ UAC tone completed on $candidate" >&2
     rm -f "$log"
+    rm -f "$wav"
     return 0
   fi
   echo "⚠️  tone failed on $candidate (rc=$rc)" >&2
   sed 's/^/   /' "$log" >&2 || true
   rm -f "$log"
+  rm -f "$wav"
   return "$rc"
 }
 
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 901a548..a43d64e 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -10,7 +10,7 @@ bench                   = false
 
 [package]
 name                    = "lesavka_server"
-version                 = "0.13.9"
+version                 = "0.13.10"
 edition                 = "2024"
 autobins                = false