From 47921d7fe301cdc1521a594c2737414cb81c827d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Bourdeauducq?= <sb@m-labs.hk>
Date: Sun, 19 Jan 2025 10:08:00 +0800
Subject: [PATCH] check sound device parameters

---
 sndlock.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sndlock.cpp b/sndlock.cpp
index 864fc1a..8e09e7b 100644
--- a/sndlock.cpp
+++ b/sndlock.cpp
@@ -75,6 +75,16 @@ static void dsp_thread()
         sio_close(hdl);
         return;
     }
+    if(par.sig != 1
+    || par.bits != SND_BITS
+    || par.pchan != SND_PCHAN
+    || par.rchan != SND_RCHAN
+    || par.rate != SND_RATE
+    || par.le != SIO_LE_NATIVE) {
+        std::cerr << "sound device parameter mismatch" << std::endl;
+        sio_close(hdl);
+        return;
+    }
 
     if(!sio_start(hdl)) {
         std::cerr << "failed to start sound device" << std::endl;