Use size_t for frame counts

Also fix typo: bufferCount should be frameCount.

Change-Id: Ibed539504db75ef99dc21c8ff1bf2987122063a5
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 10f4410..cee704f 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -450,7 +450,7 @@
         uint32_t sampleRate,
         audio_format_t format,
         audio_channel_mask_t channelMask,
-        int frameCount,
+        size_t frameCount,
         IAudioFlinger::track_flags_t *flags,
         const sp<IMemory>& sharedBuffer,
         audio_io_handle_t output,
@@ -1730,7 +1730,7 @@
         uint32_t sampleRate,
         audio_format_t format,
         audio_channel_mask_t channelMask,
-        int frameCount,
+        size_t frameCount,
         const sp<IMemory>& sharedBuffer,
         int sessionId,
         IAudioFlinger::track_flags_t *flags,
@@ -1799,7 +1799,7 @@
         if (minBufCount < 2) {
             minBufCount = 2;
         }
-        int minFrameCount = mNormalFrameCount * minBufCount;
+        size_t minFrameCount = mNormalFrameCount * minBufCount;
         if (frameCount < minFrameCount) {
             frameCount = minFrameCount;
         }
@@ -4097,7 +4097,7 @@
 {
     Mutex::Autolock _l(mLock);
     // FIXME explain this formula
-    int frameCount = (3 * mNormalFrameCount * mSampleRate) / thread->sampleRate();
+    size_t frameCount = (3 * mNormalFrameCount * mSampleRate) / thread->sampleRate();
     OutputTrack *outputTrack = new OutputTrack(thread,
                                             this,
                                             mSampleRate,
@@ -4185,7 +4185,7 @@
             uint32_t sampleRate,
             audio_format_t format,
             audio_channel_mask_t channelMask,
-            int frameCount,
+            size_t frameCount,
             const sp<IMemory>& sharedBuffer,
             int sessionId)
     :   RefBase(),
@@ -4348,7 +4348,7 @@
             uint32_t sampleRate,
             audio_format_t format,
             audio_channel_mask_t channelMask,
-            int frameCount,
+            size_t frameCount,
             const sp<IMemory>& sharedBuffer,
             int sessionId,
             IAudioFlinger::track_flags_t flags)
@@ -4892,7 +4892,7 @@
             uint32_t sampleRate,
             audio_format_t format,
             audio_channel_mask_t channelMask,
-            int frameCount,
+            size_t frameCount,
             const sp<IMemory>& sharedBuffer,
             int sessionId) {
     if (!client->reserveTimedTrack())
@@ -4910,7 +4910,7 @@
             uint32_t sampleRate,
             audio_format_t format,
             audio_channel_mask_t channelMask,
-            int frameCount,
+            size_t frameCount,
             const sp<IMemory>& sharedBuffer,
             int sessionId)
     : Track(thread, client, streamType, sampleRate, format, channelMask,
@@ -5405,7 +5405,7 @@
             uint32_t sampleRate,
             audio_format_t format,
             audio_channel_mask_t channelMask,
-            int frameCount,
+            size_t frameCount,
             int sessionId)
     :   TrackBase(thread, client, sampleRate, format,
                   channelMask, frameCount, 0 /*sharedBuffer*/, sessionId),
@@ -5524,7 +5524,7 @@
             uint32_t sampleRate,
             audio_format_t format,
             audio_channel_mask_t channelMask,
-            int frameCount)
+            size_t frameCount)
     :   Track(playbackThread, NULL, AUDIO_STREAM_CNT, sampleRate, format, channelMask, frameCount,
                 NULL, 0, IAudioFlinger::TRACK_DEFAULT),
     mActive(false), mSourceThread(sourceThread), mBuffers(NULL)
@@ -5918,7 +5918,7 @@
         uint32_t sampleRate,
         audio_format_t format,
         audio_channel_mask_t channelMask,
-        int frameCount,
+        size_t frameCount,
         IAudioFlinger::track_flags_t flags,
         pid_t tid,
         int *sessionId,
@@ -6295,7 +6295,7 @@
         uint32_t sampleRate,
         audio_format_t format,
         audio_channel_mask_t channelMask,
-        int frameCount,
+        size_t frameCount,
         int sessionId,
         IAudioFlinger::track_flags_t flags,
         pid_t tid,
@@ -6988,7 +6988,7 @@
     return thread != NULL ? thread->sampleRate() : 0;
 }
 
-int32_t AudioFlinger::getPrimaryOutputFrameCount()
+size_t AudioFlinger::getPrimaryOutputFrameCount()
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = primaryPlaybackThread_l();
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 9ddfe28..830dfe9 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -92,7 +92,7 @@
                                 uint32_t sampleRate,
                                 audio_format_t format,
                                 audio_channel_mask_t channelMask,
-                                int frameCount,
+                                size_t frameCount,
                                 IAudioFlinger::track_flags_t *flags,
                                 const sp<IMemory>& sharedBuffer,
                                 audio_io_handle_t output,
@@ -106,7 +106,7 @@
                                 uint32_t sampleRate,
                                 audio_format_t format,
                                 audio_channel_mask_t channelMask,
-                                int frameCount,
+                                size_t frameCount,
                                 IAudioFlinger::track_flags_t flags,
                                 pid_t tid,
                                 int *sessionId,
@@ -208,7 +208,7 @@
     virtual audio_module_handle_t loadHwModule(const char *name);
 
     virtual uint32_t getPrimaryOutputSamplingRate();
-    virtual int32_t getPrimaryOutputFrameCount();
+    virtual size_t getPrimaryOutputFrameCount();
 
     virtual     status_t    onTransact(
                                 uint32_t code,
@@ -390,7 +390,7 @@
                                         uint32_t sampleRate,
                                         audio_format_t format,
                                         audio_channel_mask_t channelMask,
-                                        int frameCount,
+                                        size_t frameCount,
                                         const sp<IMemory>& sharedBuffer,
                                         int sessionId);
             virtual             ~TrackBase();
@@ -790,7 +790,7 @@
                                         uint32_t sampleRate,
                                         audio_format_t format,
                                         audio_channel_mask_t channelMask,
-                                        int frameCount,
+                                        size_t frameCount,
                                         const sp<IMemory>& sharedBuffer,
                                         int sessionId,
                                         IAudioFlinger::track_flags_t flags);
@@ -922,7 +922,7 @@
                                          uint32_t sampleRate,
                                          audio_format_t format,
                                          audio_channel_mask_t channelMask,
-                                         int frameCount,
+                                         size_t frameCount,
                                          const sp<IMemory>& sharedBuffer,
                                          int sessionId);
             virtual ~TimedTrack();
@@ -965,7 +965,7 @@
                        uint32_t sampleRate,
                        audio_format_t format,
                        audio_channel_mask_t channelMask,
-                       int frameCount,
+                       size_t frameCount,
                        const sp<IMemory>& sharedBuffer,
                        int sessionId);
 
@@ -1014,7 +1014,7 @@
                                         uint32_t sampleRate,
                                         audio_format_t format,
                                         audio_channel_mask_t channelMask,
-                                        int frameCount);
+                                        size_t frameCount);
             virtual             ~OutputTrack();
 
             virtual status_t    start(AudioSystem::sync_event_t event =
@@ -1099,7 +1099,7 @@
                                     uint32_t sampleRate,
                                     audio_format_t format,
                                     audio_channel_mask_t channelMask,
-                                    int frameCount,
+                                    size_t frameCount,
                                     const sp<IMemory>& sharedBuffer,
                                     int sessionId,
                                     IAudioFlinger::track_flags_t *flags,
@@ -1463,7 +1463,7 @@
                                         uint32_t sampleRate,
                                         audio_format_t format,
                                         audio_channel_mask_t channelMask,
-                                        int frameCount,
+                                        size_t frameCount,
                                         int sessionId);
             virtual             ~RecordTrack();
 
@@ -1526,7 +1526,7 @@
                         uint32_t sampleRate,
                         audio_format_t format,
                         audio_channel_mask_t channelMask,
-                        int frameCount,
+                        size_t frameCount,
                         int sessionId,
                         IAudioFlinger::track_flags_t flags,
                         pid_t tid,