Fix warnings about unused parameters

Change-Id: I27dc108e2c1f7ffd414bb7ff3d4c349651da6c26
diff --git a/media/libmedia/MediaProfiles.cpp b/media/libmedia/MediaProfiles.cpp
index 8319cd7..1074da9 100644
--- a/media/libmedia/MediaProfiles.cpp
+++ b/media/libmedia/MediaProfiles.cpp
@@ -81,8 +81,14 @@
     {"timelapseqvga", CAMCORDER_QUALITY_TIME_LAPSE_QVGA},
 };
 
+#if LOG_NDEBUG
+#define UNUSED __unused
+#else
+#define UNUSED
+#endif
+
 /*static*/ void
-MediaProfiles::logVideoCodec(const MediaProfiles::VideoCodec& codec)
+MediaProfiles::logVideoCodec(const MediaProfiles::VideoCodec& codec UNUSED)
 {
     ALOGV("video codec:");
     ALOGV("codec = %d", codec.mCodec);
@@ -93,7 +99,7 @@
 }
 
 /*static*/ void
-MediaProfiles::logAudioCodec(const MediaProfiles::AudioCodec& codec)
+MediaProfiles::logAudioCodec(const MediaProfiles::AudioCodec& codec UNUSED)
 {
     ALOGV("audio codec:");
     ALOGV("codec = %d", codec.mCodec);
@@ -103,7 +109,7 @@
 }
 
 /*static*/ void
-MediaProfiles::logVideoEncoderCap(const MediaProfiles::VideoEncoderCap& cap)
+MediaProfiles::logVideoEncoderCap(const MediaProfiles::VideoEncoderCap& cap UNUSED)
 {
     ALOGV("video encoder cap:");
     ALOGV("codec = %d", cap.mCodec);
@@ -114,7 +120,7 @@
 }
 
 /*static*/ void
-MediaProfiles::logAudioEncoderCap(const MediaProfiles::AudioEncoderCap& cap)
+MediaProfiles::logAudioEncoderCap(const MediaProfiles::AudioEncoderCap& cap UNUSED)
 {
     ALOGV("audio encoder cap:");
     ALOGV("codec = %d", cap.mCodec);
@@ -124,21 +130,21 @@
 }
 
 /*static*/ void
-MediaProfiles::logVideoDecoderCap(const MediaProfiles::VideoDecoderCap& cap)
+MediaProfiles::logVideoDecoderCap(const MediaProfiles::VideoDecoderCap& cap UNUSED)
 {
     ALOGV("video decoder cap:");
     ALOGV("codec = %d", cap.mCodec);
 }
 
 /*static*/ void
-MediaProfiles::logAudioDecoderCap(const MediaProfiles::AudioDecoderCap& cap)
+MediaProfiles::logAudioDecoderCap(const MediaProfiles::AudioDecoderCap& cap UNUSED)
 {
     ALOGV("audio codec cap:");
     ALOGV("codec = %d", cap.mCodec);
 }
 
 /*static*/ void
-MediaProfiles::logVideoEditorCap(const MediaProfiles::VideoEditorCap& cap)
+MediaProfiles::logVideoEditorCap(const MediaProfiles::VideoEditorCap& cap UNUSED)
 {
     ALOGV("videoeditor cap:");
     ALOGV("mMaxInputFrameWidth = %d", cap.mMaxInputFrameWidth);
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 65b28dc..fc355b0 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -211,12 +211,12 @@
         virtual void            flush() {}
         virtual void            pause() {}
         virtual void            close() {}
-                void            setAudioStreamType(audio_stream_type_t streamType) {}
+                void            setAudioStreamType(audio_stream_type_t streamType __unused) {}
                 // stream type is not used for AudioCache
         virtual audio_stream_type_t getAudioStreamType() const { return AUDIO_STREAM_DEFAULT; }
 
-                void            setVolume(float left, float right) {}
-        virtual status_t        setPlaybackRatePermille(int32_t ratePermille) { return INVALID_OPERATION; }
+                void            setVolume(float left __unused, float right __unused) {}
+        virtual status_t        setPlaybackRatePermille(int32_t ratePermille __unused) { return INVALID_OPERATION; }
                 uint32_t        sampleRate() const { return mSampleRate; }
                 audio_format_t  format() const { return mFormat; }
                 size_t          size() const { return mSize; }