latency: cache profile writes; docs: data2 resolved, latency and fade measurements

setup/veskslop-tts.sh

@@ -233,13 +233,26 @@ if [ -n "$SPEAKER_GUID" ]; then
         exit 1
     fi
 
-    if ! command -v "$MICROSLOP_WINE" >/dev/null 2>&1; then
-        echo "wine is required to set the Flextalk profile" >&2
-        exit 1
+    # Skip the wine round-trip when this voice's profile was already applied.
+    # The cache lives inside the prefix, so recreating the prefix invalidates
+    # it automatically.
+    PROFILE_CACHE="$WINEPREFIX/.microslopsam-profile$SPEAKER_GUID.reg"
+    if [ -f "$PROFILE_CACHE" ] && cmp -s "$TMP/profile.reg" "$PROFILE_CACHE"; then
+        PROFILE_APPLIED=1
+    else
+        PROFILE_APPLIED=0
     fi
-    if ! "$MICROSLOP_WINE" reg import "$TMP/profile.reg" >/dev/null 2>&1; then
-        echo "could not write the Flextalk profile" >&2
-        exit 1
+
+    if [ "$PROFILE_APPLIED" != "1" ]; then
+        if ! command -v "$MICROSLOP_WINE" >/dev/null 2>&1; then
+            echo "wine is required to set the Flextalk profile" >&2
+            exit 1
+        fi
+        if ! "$MICROSLOP_WINE" reg import "$TMP/profile.reg" >/dev/null 2>&1; then
+            echo "could not write the Flextalk profile" >&2
+            exit 1
+        fi
+        cp -f "$TMP/profile.reg" "$PROFILE_CACHE" 2>/dev/null || true
     fi
 fi