Use unsigned for the sample and channel converters

2 files changed, 9 insertions, 10 deletions

diff --git a/alc/backends/coreaudio.cpp b/alc/backends/coreaudio.cpp
index cfa7703a..c903ff07 100644
--- a/alc/backends/coreaudio.cpp
+++ b/alc/backends/coreaudio.cpp
@@ -654,15 +654,14 @@ ALCenum CoreAudioCapture::captureSamples(void *buffer, ALCuint samples)
 
     auto rec_vec = mRing->getReadVector();
     const void *src0{rec_vec.first.buf};
-    auto src0len = static_cast<ALsizei>(rec_vec.first.len);
-    auto got = static_cast<ALuint>(mConverter->convert(&src0, &src0len, buffer, samples));
+    auto src0len = static_cast<ALuint>(rec_vec.first.len);
+    ALuint got{mConverter->convert(&src0, &src0len, buffer, samples)};
     size_t total_read{rec_vec.first.len - src0len};
     if(got < samples && !src0len && rec_vec.second.len > 0)
     {
         const void *src1{rec_vec.second.buf};
-        auto src1len = static_cast<ALsizei>(rec_vec.second.len);
-        got += static_cast<ALuint>(mConverter->convert(&src1, &src1len,
-            static_cast<char*>(buffer)+got, samples-got));
+        auto src1len = static_cast<ALuint>(rec_vec.second.len);
+        got += mConverter->convert(&src1, &src1len, static_cast<char*>(buffer)+got, samples-got);
         total_read += rec_vec.second.len - src1len;
     }
 
diff --git a/alc/backends/wasapi.cpp b/alc/backends/wasapi.cpp
index cc53be66..dbf1208d 100644
--- a/alc/backends/wasapi.cpp
+++ b/alc/backends/wasapi.cpp
@@ -1229,10 +1229,10 @@ FORCE_ALIGN int WasapiCapture::recordProc()
                 if(mSampleConv)
                 {
                     const ALvoid *srcdata{rdata};
-                    auto srcframes = static_cast<ALsizei>(numsamples);
+                    ALuint srcframes{numsamples};
 
                     dstframes = mSampleConv->convert(&srcdata, &srcframes, data.first.buf,
-                        static_cast<ALsizei>(minz(data.first.len, INT_MAX)));
+                        static_cast<ALuint>(minz(data.first.len, INT_MAX)));
                     if(srcframes > 0 && dstframes == data.first.len && data.second.len > 0)
                     {
                         /* If some source samples remain, all of the first dest
@@ -1240,14 +1240,14 @@ FORCE_ALIGN int WasapiCapture::recordProc()
                          * dest block, do another run for the second block.
                          */
                         dstframes += mSampleConv->convert(&srcdata, &srcframes, data.second.buf,
-                            static_cast<ALsizei>(minz(data.second.len, INT_MAX)));
+                            static_cast<ALuint>(minz(data.second.len, INT_MAX)));
                     }
                 }
                 else
                 {
                     const auto framesize = static_cast<ALuint>(mDevice->frameSizeFromFmt());
-                    size_t len1 = minz(data.first.len, numsamples);
-                    size_t len2 = minz(data.second.len, numsamples-len1);
+                    size_t len1{minz(data.first.len, numsamples)};
+                    size_t len2{minz(data.second.len, numsamples-len1)};
 
                     memcpy(data.first.buf, rdata, len1*framesize);
                     if(len2 > 0)