diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 436d4de..dfae5d9 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -66,7 +66,9 @@
             audio_format_t format,
             audio_channel_mask_t channelMask,
             size_t frameCount,
+#ifdef QCOM_HARDWARE
             uint32_t flags,
+#endif
             const sp<IMemory>& sharedBuffer,
             int sessionId,
             bool isOut)
@@ -80,10 +82,17 @@
         mFormat(format),
         mChannelMask(channelMask),
         mChannelCount(popcount(channelMask)),
+#ifdef QCOM_HARDWARE
         mFrameSize((audio_is_linear_pcm(format) || audio_is_supported_compressed(format)) ?
         ((flags & IAudioFlinger::TRACK_VOICE_COMMUNICATION)? mChannelCount * sizeof(int16_t) : mChannelCount * audio_bytes_per_sample(format)) : sizeof(int8_t)),
+#else
+        mFrameSize(audio_is_linear_pcm(format) ?
+                mChannelCount * audio_bytes_per_sample(format) : sizeof(int8_t)),
+#endif
         mFrameCount(frameCount),
+#ifdef QCOM_HARDWARE
         mFlags(0),
+#endif
         mSessionId(sessionId),
         mIsOut(isOut),
         mServerProxy(NULL),
@@ -98,6 +107,7 @@
 
     // ALOGD("Creating track with %d buffers @ %d bytes", bufferCount, bufferSize);
     size_t size = sizeof(audio_track_cblk_t);
+#ifdef QCOM_HARDWARE
     uint8_t channelCount = popcount(channelMask);
     size_t bufferSize = 0;
     if (flags & IAudioFlinger::TRACK_VOICE_COMMUNICATION) {
@@ -118,6 +128,9 @@
           bufferSize = frameCount * channelCount * AMR_WB_FRAMESIZE; // full rate frame size
        }
     }
+#else
+    size_t bufferSize = (sharedBuffer == 0 ? roundup(frameCount) : frameCount) * mFrameSize;
+#endif
 
     if (sharedBuffer == 0) {
         size += bufferSize;
@@ -146,6 +159,7 @@
         mCblk->frameCount_ = frameCount;
         if (sharedBuffer == 0) {
             mBuffer = (char*)mCblk + sizeof(audio_track_cblk_t);
+#ifdef QCOM_HARDWARE
             if (flags & IAudioFlinger::TRACK_VOICE_COMMUNICATION) {
                 memset(mBuffer, 0, bufferSize);
             } else {
@@ -169,6 +183,9 @@
                     memset(mBuffer, 0, frameCount * channelCount * AMR_WB_FRAMESIZE);
                 }
             }
+#else
+            memset(mBuffer, 0, bufferSize);
+#endif
         } else {
             mBuffer = sharedBuffer->pointer();
 #if 0
@@ -358,9 +375,14 @@
             const sp<IMemory>& sharedBuffer,
             int sessionId,
             IAudioFlinger::track_flags_t flags)
+#ifdef QCOM_HARDWARE
     :   TrackBase(thread, client, sampleRate, format, channelMask, frameCount,
      ((audio_stream_type_t)streamType == AUDIO_STREAM_VOICE_CALL)? IAudioFlinger::TRACK_VOICE_COMMUNICATION:0x0,
      sharedBuffer, sessionId, true /*isOut*/),
+#else
+    :   TrackBase(thread, client, sampleRate, format, channelMask, frameCount, sharedBuffer,
+            sessionId, true /*isOut*/),
+#endif
     mFillingUpStatus(FS_INVALID),
     // mRetryCount initialized later when needed
     mSharedBuffer(sharedBuffer),
@@ -1783,14 +1805,23 @@
             audio_format_t format,
             audio_channel_mask_t channelMask,
             size_t frameCount,
+#ifdef QCOM_HARDWARE
             uint32_t flags,
+#endif
             int sessionId)
+#ifdef QCOM_HARDWARE
     :   TrackBase(thread, client, sampleRate, format, channelMask, frameCount,
         flags, 0 /*sharedBuffer*/, sessionId, false /*isOut*/),
+#else
+    :   TrackBase(thread, client, sampleRate, format,
+                  channelMask, frameCount, 0 /*sharedBuffer*/, sessionId, false /*isOut*/),
+#endif
         mOverflow(false)
 {
     ALOGV("RecordTrack constructor");
+#ifdef QCOM_HARDWARE
     mFlags = flags;
+#endif
     if (mCblk != NULL) {
         mAudioRecordServerProxy = new AudioRecordServerProxy(mCblk, mBuffer, frameCount,
                 mFrameSize);