diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp
index 9c13848..5df232f 100644
--- a/media/libmedia/IOMX.cpp
+++ b/media/libmedia/IOMX.cpp
@@ -65,7 +65,7 @@
     virtual bool livesLocally(node_id node, pid_t pid) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(pid);
         remote()->transact(LIVES_LOCALLY, data, &reply);
 
@@ -104,7 +104,7 @@
 
         status_t err = reply.readInt32();
         if (err == OK) {
-            *node = (void*)reply.readIntPtr();
+            *node = (node_id)reply.readInt32();
         } else {
             *node = 0;
         }
@@ -115,7 +115,7 @@
     virtual status_t freeNode(node_id node) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         remote()->transact(FREE_NODE, data, &reply);
 
         return reply.readInt32();
@@ -125,7 +125,7 @@
             node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(cmd);
         data.writeInt32(param);
         remote()->transact(SEND_COMMAND, data, &reply);
@@ -138,7 +138,7 @@
             void *params, size_t size) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(index);
         data.writeInt64(size);
         data.write(params, size);
@@ -159,7 +159,7 @@
             const void *params, size_t size) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(index);
         data.writeInt64(size);
         data.write(params, size);
@@ -173,7 +173,7 @@
             void *params, size_t size) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(index);
         data.writeInt64(size);
         data.write(params, size);
@@ -194,7 +194,7 @@
             const void *params, size_t size) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(index);
         data.writeInt64(size);
         data.write(params, size);
@@ -207,7 +207,7 @@
             node_id node, OMX_STATETYPE* state) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         remote()->transact(GET_STATE, data, &reply);
 
         *state = static_cast<OMX_STATETYPE>(reply.readInt32());
@@ -218,7 +218,7 @@
             node_id node, OMX_U32 port_index, OMX_BOOL enable) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeInt32((uint32_t)enable);
         remote()->transact(ENABLE_GRAPHIC_BUFFERS, data, &reply);
@@ -231,7 +231,7 @@
             node_id node, OMX_U32 port_index, OMX_U32* usage) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         remote()->transact(GET_GRAPHIC_BUFFER_USAGE, data, &reply);
 
@@ -245,7 +245,7 @@
             buffer_id *buffer) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeStrongBinder(params->asBinder());
         remote()->transact(USE_BUFFER, data, &reply);
@@ -257,7 +257,7 @@
             return err;
         }
 
-        *buffer = (void*)reply.readIntPtr();
+        *buffer = (buffer_id)reply.readInt32();
 
         return err;
     }
@@ -268,7 +268,7 @@
             const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.write(*graphicBuffer);
         remote()->transact(USE_GRAPHIC_BUFFER, data, &reply);
@@ -280,7 +280,7 @@
             return err;
         }
 
-        *buffer = (void*)reply.readIntPtr();
+        *buffer = (buffer_id)reply.readInt32();
 
         return err;
     }
@@ -290,10 +290,10 @@
             const sp<GraphicBuffer> &graphicBuffer, buffer_id buffer) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.write(*graphicBuffer);
-        data.writeIntPtr((intptr_t)buffer);
+        data.writeInt32((int32_t)buffer);
         remote()->transact(UPDATE_GRAPHIC_BUFFER_IN_META, data, &reply);
 
         status_t err = reply.readInt32();
@@ -306,7 +306,7 @@
         Parcel data, reply;
         status_t err;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         err = remote()->transact(CREATE_INPUT_SURFACE, data, &reply);
         if (err != OK) {
@@ -329,7 +329,7 @@
         Parcel data, reply;
         status_t err;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         err = remote()->transact(SIGNAL_END_OF_INPUT_STREAM, data, &reply);
         if (err != OK) {
             ALOGW("binder transaction failed: %d", err);
@@ -343,7 +343,7 @@
             node_id node, OMX_U32 port_index, OMX_BOOL enable) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeInt32((uint32_t)enable);
         remote()->transact(STORE_META_DATA_IN_BUFFERS, data, &reply);
@@ -357,7 +357,7 @@
             OMX_U32 max_width, OMX_U32 max_height) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeInt32((int32_t)enable);
         data.writeInt32(max_width);
@@ -373,7 +373,7 @@
             buffer_id *buffer, void **buffer_data) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeInt64(size);
         remote()->transact(ALLOC_BUFFER, data, &reply);
@@ -385,8 +385,8 @@
             return err;
         }
 
-        *buffer = (void *)reply.readIntPtr();
-        *buffer_data = (void *)reply.readIntPtr();
+        *buffer = (buffer_id)reply.readInt32();
+        *buffer_data = (void *)reply.readInt64();
 
         return err;
     }
@@ -396,7 +396,7 @@
             buffer_id *buffer) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeStrongBinder(params->asBinder());
         remote()->transact(ALLOC_BUFFER_WITH_BACKUP, data, &reply);
@@ -408,7 +408,7 @@
             return err;
         }
 
-        *buffer = (void*)reply.readIntPtr();
+        *buffer = (buffer_id)reply.readInt32();
 
         return err;
     }
@@ -417,9 +417,9 @@
             node_id node, OMX_U32 port_index, buffer_id buffer) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
-        data.writeIntPtr((intptr_t)buffer);
+        data.writeInt32((int32_t)buffer);
         remote()->transact(FREE_BUFFER, data, &reply);
 
         return reply.readInt32();
@@ -428,8 +428,8 @@
     virtual status_t fillBuffer(node_id node, buffer_id buffer) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
-        data.writeIntPtr((intptr_t)buffer);
+        data.writeInt32((int32_t)node);
+        data.writeInt32((int32_t)buffer);
         remote()->transact(FILL_BUFFER, data, &reply);
 
         return reply.readInt32();
@@ -442,8 +442,8 @@
             OMX_U32 flags, OMX_TICKS timestamp) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
-        data.writeIntPtr((intptr_t)buffer);
+        data.writeInt32((int32_t)node);
+        data.writeInt32((int32_t)buffer);
         data.writeInt32(range_offset);
         data.writeInt32(range_length);
         data.writeInt32(flags);
@@ -459,7 +459,7 @@
             OMX_INDEXTYPE *index) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeCString(parameter_name);
 
         remote()->transact(GET_EXTENSION_INDEX, data, &reply);
@@ -482,7 +482,7 @@
             size_t size) {
         Parcel data, reply;
         data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
-        data.writeIntPtr((intptr_t)node);
+        data.writeInt32((int32_t)node);
         data.writeInt32(port_index);
         data.writeInt64(size);
         data.write(optionData, size);
@@ -509,7 +509,7 @@
         case LIVES_LOCALLY:
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
-            node_id node = (void *)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             pid_t pid = (pid_t)data.readInt32();
             reply->writeInt32(livesLocally(node, pid));
 
@@ -553,7 +553,7 @@
             status_t err = allocateNode(name, observer, &node);
             reply->writeInt32(err);
             if (err == OK) {
-                reply->writeIntPtr((intptr_t)node);
+                reply->writeInt32((int32_t)node);
             }
 
             return NO_ERROR;
@@ -563,7 +563,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
 
             reply->writeInt32(freeNode(node));
 
@@ -574,7 +574,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
 
             OMX_COMMANDTYPE cmd =
                 static_cast<OMX_COMMANDTYPE>(data.readInt32());
@@ -593,7 +593,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32());
 
             size_t size = data.readInt64();
@@ -644,7 +644,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_STATETYPE state = OMX_StateInvalid;
 
             status_t err = getState(node, &state);
@@ -658,7 +658,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             OMX_BOOL enable = (OMX_BOOL)data.readInt32();
 
@@ -672,7 +672,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
 
             OMX_U32 usage = 0;
@@ -687,7 +687,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             sp<IMemory> params =
                 interface_cast<IMemory>(data.readStrongBinder());
@@ -697,7 +697,7 @@
             reply->writeInt32(err);
 
             if (err == OK) {
-                reply->writeIntPtr((intptr_t)buffer);
+                reply->writeInt32((int32_t)buffer);
             }
 
             return NO_ERROR;
@@ -707,7 +707,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             sp<GraphicBuffer> graphicBuffer = new GraphicBuffer();
             data.read(*graphicBuffer);
@@ -718,7 +718,7 @@
             reply->writeInt32(err);
 
             if (err == OK) {
-                reply->writeIntPtr((intptr_t)buffer);
+                reply->writeInt32((int32_t)buffer);
             }
 
             return NO_ERROR;
@@ -728,11 +728,11 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             sp<GraphicBuffer> graphicBuffer = new GraphicBuffer();
             data.read(*graphicBuffer);
-            buffer_id buffer = (void*)data.readIntPtr();
+            buffer_id buffer = (buffer_id)data.readInt32();
 
             status_t err = updateGraphicBufferInMeta(
                     node, port_index, graphicBuffer, buffer);
@@ -745,7 +745,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
 
             sp<IGraphicBufferProducer> bufferProducer;
@@ -765,7 +765,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
 
             status_t err = signalEndOfInputStream(node);
             reply->writeInt32(err);
@@ -777,7 +777,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             OMX_BOOL enable = (OMX_BOOL)data.readInt32();
 
@@ -791,7 +791,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             OMX_BOOL enable = (OMX_BOOL)data.readInt32();
             OMX_U32 max_width = data.readInt32();
@@ -808,7 +808,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             size_t size = data.readInt64();
 
@@ -819,8 +819,8 @@
             reply->writeInt32(err);
 
             if (err == OK) {
-                reply->writeIntPtr((intptr_t)buffer);
-                reply->writeIntPtr((intptr_t)buffer_data);
+                reply->writeInt32((int32_t)buffer);
+                reply->writeInt64((uintptr_t)buffer_data);
             }
 
             return NO_ERROR;
@@ -830,7 +830,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
             sp<IMemory> params =
                 interface_cast<IMemory>(data.readStrongBinder());
@@ -842,7 +842,7 @@
             reply->writeInt32(err);
 
             if (err == OK) {
-                reply->writeIntPtr((intptr_t)buffer);
+                reply->writeInt32((int32_t)buffer);
             }
 
             return NO_ERROR;
@@ -852,9 +852,9 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             OMX_U32 port_index = data.readInt32();
-            buffer_id buffer = (void*)data.readIntPtr();
+            buffer_id buffer = (buffer_id)data.readInt32();
             reply->writeInt32(freeBuffer(node, port_index, buffer));
 
             return NO_ERROR;
@@ -864,8 +864,8 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
-            buffer_id buffer = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
+            buffer_id buffer = (buffer_id)data.readInt32();
             reply->writeInt32(fillBuffer(node, buffer));
 
             return NO_ERROR;
@@ -875,8 +875,8 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
-            buffer_id buffer = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
+            buffer_id buffer = (buffer_id)data.readInt32();
             OMX_U32 range_offset = data.readInt32();
             OMX_U32 range_length = data.readInt32();
             OMX_U32 flags = data.readInt32();
@@ -894,7 +894,7 @@
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
-            node_id node = (void*)data.readIntPtr();
+            node_id node = (node_id)data.readInt32();
             const char *parameter_name = data.readCString();
 
             OMX_INDEXTYPE index;
@@ -927,6 +927,8 @@
         data.writeInterfaceToken(IOMXObserver::getInterfaceDescriptor());
         data.write(&msg, sizeof(msg));
 
+        ALOGV("onMessage writing message %d, size %zu", msg.type, sizeof(msg));
+
         remote()->transact(OBSERVER_ON_MSG, data, &reply, IBinder::FLAG_ONEWAY);
     }
 };
@@ -943,6 +945,8 @@
             omx_message msg;
             data.read(&msg, sizeof(msg));
 
+            ALOGV("onTransact reading message %d, size %zu", msg.type, sizeof(msg));
+
             // XXX Could use readInplace maybe?
             onMessage(msg);