diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index f3b74a2..028e4a3 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -247,7 +247,7 @@
     return NO_ERROR;
 }
 
-status_t AudioSystem::getOutputFrameCount(int* frameCount, audio_stream_type_t streamType)
+status_t AudioSystem::getOutputFrameCount(size_t* frameCount, audio_stream_type_t streamType)
 {
     audio_io_handle_t output;
 
@@ -265,7 +265,7 @@
 
 status_t AudioSystem::getFrameCount(audio_io_handle_t output,
                                     audio_stream_type_t streamType,
-                                    int* frameCount)
+                                    size_t* frameCount)
 {
     OutputDescriptor *outputDesc;
 
@@ -361,7 +361,7 @@
     return af->setVoiceVolume(value);
 }
 
-status_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames,
+status_t AudioSystem::getRenderPosition(size_t *halFrames, size_t *dspFrames,
         audio_stream_type_t stream)
 {
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
@@ -374,7 +374,7 @@
     return af->getRenderPosition(halFrames, dspFrames, getOutput(stream));
 }
 
-unsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) {
+size_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) {
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
     unsigned int result = 0;
     if (af == 0) return result;
@@ -442,7 +442,7 @@
 
         OutputDescriptor *outputDesc =  new OutputDescriptor(*desc);
         gOutputs.add(ioHandle, outputDesc);
-        ALOGV("ioConfigChanged() new output samplingRate %u, format %d channels %#x frameCount %d "
+        ALOGV("ioConfigChanged() new output samplingRate %u, format %d channels %#x frameCount %u "
                 "latency %d",
                 outputDesc->samplingRate, outputDesc->format, outputDesc->channels,
                 outputDesc->frameCount, outputDesc->latency);
@@ -747,7 +747,7 @@
     return af->getPrimaryOutputSamplingRate();
 }
 
-int32_t AudioSystem::getPrimaryOutputFrameCount()
+size_t AudioSystem::getPrimaryOutputFrameCount()
 {
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
     if (af == 0) return 0;