Fix some MSVC conversion warnings

3 files changed, 11 insertions, 10 deletions

diff --git a/Alc/backends/dsound.cpp b/Alc/backends/dsound.cpp
index 2bb6048a..79e6b01e 100644
--- a/Alc/backends/dsound.cpp
+++ b/Alc/backends/dsound.cpp
@@ -902,7 +902,7 @@ ALCuint ALCdsoundCapture_availableSamples(ALCdsoundCapture *self)
     ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
 
     if(!device->Connected.load(std::memory_order_acquire))
-        return ll_ringbuffer_read_space(self->Ring);
+        return static_cast<ALCuint>(ll_ringbuffer_read_space(self->Ring));
 
     ALsizei FrameSize{FrameSizeFromDevFmt(device->FmtChans, device->FmtType, device->mAmbiOrder)};
     DWORD BufferBytes{self->BufferBytes};
@@ -915,7 +915,7 @@ ALCuint ALCdsoundCapture_availableSamples(ALCdsoundCapture *self)
     if(SUCCEEDED(hr))
     {
         DWORD NumBytes{(ReadCursor-LastCursor + BufferBytes) % BufferBytes};
-        if(!NumBytes) return ll_ringbuffer_read_space(self->Ring);
+        if(!NumBytes) return static_cast<ALCubyte>(ll_ringbuffer_read_space(self->Ring));
         hr = self->DSCbuffer->Lock(LastCursor, NumBytes, &ReadPtr1, &ReadCnt1,
                                    &ReadPtr2, &ReadCnt2, 0);
     }
@@ -934,7 +934,7 @@ ALCuint ALCdsoundCapture_availableSamples(ALCdsoundCapture *self)
         aluHandleDisconnect(device, "Failure retrieving capture data: 0x%lx", hr);
     }
 
-    return ll_ringbuffer_read_space(self->Ring);
+    return static_cast<ALCuint>(ll_ringbuffer_read_space(self->Ring));
 }
 
 } // namespace
diff --git a/Alc/backends/wave.cpp b/Alc/backends/wave.cpp
index 25245a1b..afa948cb 100644
--- a/Alc/backends/wave.cpp
+++ b/Alc/backends/wave.cpp
@@ -155,13 +155,13 @@ int ALCwaveBackend_mixerProc(ALCwaveBackend *self)
 
             if(!IS_LITTLE_ENDIAN)
             {
-                ALuint bytesize = BytesFromDevFmt(device->FmtType);
-                ALuint i;
+                const ALsizei bytesize{BytesFromDevFmt(device->FmtType)};
+                ALsizei i;
 
                 if(bytesize == 2)
                 {
                     ALushort *samples = reinterpret_cast<ALushort*>(self->mBuffer.data());
-                    ALuint len = self->mBuffer.size() / 2;
+                    const auto len = static_cast<ALsizei>(self->mBuffer.size() / 2);
                     for(i = 0;i < len;i++)
                     {
                         ALushort samp = samples[i];
@@ -171,7 +171,7 @@ int ALCwaveBackend_mixerProc(ALCwaveBackend *self)
                 else if(bytesize == 4)
                 {
                     ALuint *samples = reinterpret_cast<ALuint*>(self->mBuffer.data());
-                    ALuint len = self->mBuffer.size() / 4;
+                    const auto len = static_cast<ALsizei>(self->mBuffer.size() / 4);
                     for(i = 0;i < len;i++)
                     {
                         ALuint samp = samples[i];
diff --git a/Alc/backends/winmm.cpp b/Alc/backends/winmm.cpp
index 32cabbde..0d353906 100644
--- a/Alc/backends/winmm.cpp
+++ b/Alc/backends/winmm.cpp
@@ -361,7 +361,7 @@ ALCboolean ALCwinmmPlayback_start(ALCwinmmPlayback *self)
     try {
         std::for_each(self->WaveBuffer.begin(), self->WaveBuffer.end(),
             [self](WAVEHDR &waveHdr) -> void
-            { waveOutPrepareHeader(self->OutHdl, &waveHdr, sizeof(WAVEHDR)); }
+            { waveOutPrepareHeader(self->OutHdl, &waveHdr, static_cast<UINT>(sizeof(WAVEHDR))); }
         );
         self->Writable.store(self->WaveBuffer.size(), std::memory_order_release);
 
@@ -581,8 +581,9 @@ ALCenum ALCwinmmCapture_open(ALCwinmmCapture *self, const ALCchar *deviceName)
 
     // Allocate circular memory buffer for the captured audio
     // Make sure circular buffer is at least 100ms in size
-    DWORD CapturedDataSize{std::max<DWORD>(device->UpdateSize*device->NumUpdates,
-                                           BufferSize*self->WaveBuffer.size())};
+    auto CapturedDataSize = static_cast<DWORD>(
+        std::max<size_t>(device->UpdateSize*device->NumUpdates, BufferSize*self->WaveBuffer.size())
+    );
 
     self->Ring = ll_ringbuffer_create(CapturedDataSize, self->Format.nBlockAlign, false);
     if(!self->Ring) return ALC_INVALID_VALUE;