Fix a few more GCC warnings

4 files changed, 8 insertions, 5 deletions

diff --git a/alc/backends/coreaudio.cpp b/alc/backends/coreaudio.cpp
index 99b06b7a..3ae9800c 100644
--- a/alc/backends/coreaudio.cpp
+++ b/alc/backends/coreaudio.cpp
@@ -374,7 +374,8 @@ OSStatus CoreAudioCapture::RecordProc(AudioUnitRenderActionFlags*,
         audiobuf.list.mNumberBuffers = 2;
         audiobuf.list.mBuffers[0].mNumberChannels = mFormat.mChannelsPerFrame;
         audiobuf.list.mBuffers[0].mData = rec_vec.first.buf;
-        audiobuf.list.mBuffers[0].mDataByteSize = rec_vec.first.len * mFormat.mBytesPerFrame;
+        audiobuf.list.mBuffers[0].mDataByteSize = static_cast<UInt32>(rec_vec.first.len) *
+            mFormat.mBytesPerFrame;
         audiobuf.list.mBuffers[1].mNumberChannels = mFormat.mChannelsPerFrame;
         audiobuf.list.mBuffers[1].mData = rec_vec.second.buf;
         audiobuf.list.mBuffers[1].mDataByteSize = remaining * mFormat.mBytesPerFrame;
diff --git a/alc/backends/opensl.cpp b/alc/backends/opensl.cpp
index 06d5cd40..3a2f455e 100644
--- a/alc/backends/opensl.cpp
+++ b/alc/backends/opensl.cpp
@@ -681,11 +681,11 @@ ALCenum OpenSLCapture::open(const ALCchar* name)
     {
         mFrameSize = mDevice->frameSizeFromFmt();
         /* Ensure the total length is at least 100ms */
-        ALsizei length{maxi(mDevice->BufferSize, mDevice->Frequency/10)};
+        ALuint length{maxu(mDevice->BufferSize, mDevice->Frequency/10)};
         /* Ensure the per-chunk length is at least 10ms, and no more than 50ms. */
-        ALsizei update_len{clampi(mDevice->BufferSize/3, mDevice->Frequency/100,
+        ALuint update_len{clampu(mDevice->BufferSize/3, mDevice->Frequency/100,
             mDevice->Frequency/100*5)};
-        ALsizei num_updates{(length+update_len-1) / update_len};
+        ALuint num_updates{(length+update_len-1) / update_len};
 
         try {
             mRing = CreateRingBuffer(num_updates, update_len*mFrameSize, false);
diff --git a/alc/backends/wasapi.cpp b/alc/backends/wasapi.cpp
index b762da76..0d04d5a7 100644
--- a/alc/backends/wasapi.cpp
+++ b/alc/backends/wasapi.cpp
@@ -429,6 +429,8 @@ constexpr char MessageStr[static_cast<unsigned int>(MsgType::Count)][20]{
 
 /* Proxy interface used by the message handler. */
 struct WasapiProxy {
+    virtual ~WasapiProxy() = default;
+
     virtual HRESULT openProxy() = 0;
     virtual void closeProxy() = 0;
 
diff --git a/alc/mixer/mixer_c.cpp b/alc/mixer/mixer_c.cpp
index 74315dd5..7beab1a9 100644
--- a/alc/mixer/mixer_c.cpp
+++ b/alc/mixer/mixer_c.cpp
@@ -30,7 +30,7 @@ inline ALfloat do_bsinc(const InterpState &istate, const ALfloat *RESTRICT vals,
         (1.0f/(1<<FRAC_PHASE_BITDIFF))};
 #undef FRAC_PHASE_BITDIFF
 
-    const ALfloat *fil{istate.bsinc.filter + static_cast<ptrdiff_t>(istate.bsinc.m)*pi*4};
+    const ALfloat *fil{istate.bsinc.filter + istate.bsinc.m*static_cast<ptrdiff_t>(pi*4)};
     const ALfloat *scd{fil + istate.bsinc.m};
     const ALfloat *phd{scd + istate.bsinc.m};
     const ALfloat *spd{phd + istate.bsinc.m};