From d47679c5cfa9d7f4efd5a1339952ebb4462c5166 Mon Sep 17 00:00:00 2001
From: Ryzerth <whatsthetgeek@gmail.com>
Date: Mon, 20 Jul 2020 13:45:05 +0200
Subject: [PATCH] Fixedd buffer overflow in audio IO

---
 src/io/audio.h      | 7 +------
 src/io/soapy.h      | 4 ++++
 src/signal_path.cpp | 2 +-
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/io/audio.h b/src/io/audio.h
index 070cba7b..a6dec185 100644
--- a/src/io/audio.h
+++ b/src/io/audio.h
@@ -39,7 +39,7 @@ namespace io {
             outputParams.hostApiSpecificStreamInfo = NULL;
             outputParams.device = Pa_GetDefaultOutputDevice();
             outputParams.suggestedLatency = Pa_GetDeviceInfo(outputParams.device)->defaultLowOutputLatency;
-            PaError err = Pa_OpenStream(&stream, NULL, &outputParams, 48000.0f, 64, paClipOff, _callback, this);
+            PaError err = Pa_OpenStream(&stream, NULL, &outputParams, 48000.0f, _bufferSize, paClipOff, _callback, this);
             printf("%s\n", Pa_GetErrorText(err));
             err = Pa_StartStream(stream);
             printf("%s\n", Pa_GetErrorText(err));
@@ -67,13 +67,8 @@ namespace io {
             
             float vol = powf(_this->_volume, 2);
             for (int i = 0; i < frameCount; i++) {
-
-                
                 outbuf[(i * 2) + 0] = _this->buffer[i] * vol;
                 outbuf[(i * 2) + 1] = _this->buffer[i] * vol;
-
-
-
             }
             return 0;
         }
diff --git a/src/io/soapy.h b/src/io/soapy.h
index 2a91a014..1f1af4bb 100644
--- a/src/io/soapy.h
+++ b/src/io/soapy.h
@@ -43,6 +43,10 @@ namespace io {
             
             devList = SoapySDR::Device::enumerate();
             txtDevList = "";
+            if (devList.size() == 0) {
+                txtDevList += '\0';
+                return;
+            }
             for (int i = 0; i < devList.size(); i++) {
                 txtDevList += devList[i]["label"];
                 txtDevList += '\0';
diff --git a/src/signal_path.cpp b/src/signal_path.cpp
index a8033d2e..0ef19947 100644
--- a/src/signal_path.cpp
+++ b/src/signal_path.cpp
@@ -29,7 +29,7 @@ void SignalPath::init(uint64_t sampleRate, int fftRate, int fftSize, dsp::stream
     ssbDemod.init(mainVFO.output, 6000, 3000, 22);
     
     audioResamp.init(&demod.output, 200000, 48000, 800);
-    audio.init(&audioResamp.output, 16);
+    audio.init(&audioResamp.output, 64);
 }
 
 void SignalPath::setSampleRate(float sampleRate) {