Add more static_casts (#1982)

diff --git a/apps/OboeTester/app/src/main/cpp/analyzer/GlitchAnalyzer.h b/apps/OboeTester/app/src/main/cpp/analyzer/GlitchAnalyzer.h
index 759185d..fff8790 100644
--- a/apps/OboeTester/app/src/main/cpp/analyzer/GlitchAnalyzer.h
+++ b/apps/OboeTester/app/src/main/cpp/analyzer/GlitchAnalyzer.h
@@ -75,7 +75,7 @@
         } else {
             double signalToNoise = mMeanSquareSignal / mMeanSquareNoise; // power ratio
             double signalToNoiseDB = 10.0 * log(signalToNoise);
-            if (signalToNoiseDB < MIN_SNR_DB) {
+            if (signalToNoiseDB < static_cast<float>(MIN_SNR_DB)) {
                 setResult(ERROR_VOLUME_TOO_LOW);
             }
             return signalToNoiseDB;
diff --git a/src/opensles/AudioStreamOpenSLES.cpp b/src/opensles/AudioStreamOpenSLES.cpp
index 9013d61..ec041cc 100644
--- a/src/opensles/AudioStreamOpenSLES.cpp
+++ b/src/opensles/AudioStreamOpenSLES.cpp
@@ -72,8 +72,8 @@
 
     // OpenSL ES only supports I16 and Float
     if (mFormat != AudioFormat::I16 && mFormat != AudioFormat::Float) {
-        LOGW("%s() Android's OpenSL ES implementation only supports I16 and Float. Format: %d",
-             __func__, mFormat);
+        LOGW("%s() Android's OpenSL ES implementation only supports I16 and Float. Format: %s",
+             __func__, oboe::convertToText(mFormat));
         return Result::ErrorInvalidFormat;
     }
 
@@ -422,7 +422,7 @@
         LOGD("Oboe callback returned Stop");
         shouldStopStream = true;
     } else {
-        LOGW("Oboe callback returned unexpected value = %d", result);
+        LOGW("Oboe callback returned unexpected value = %d", static_cast<int>(result));
         shouldStopStream = true;
     }
     if (shouldStopStream) {