auto import from //depot/cupcake/@135843
diff --git a/media/libmedia/IAudioTrack.cpp b/media/libmedia/IAudioTrack.cpp
new file mode 100644
index 0000000..abc202d
--- /dev/null
+++ b/media/libmedia/IAudioTrack.cpp
@@ -0,0 +1,140 @@
+/* //device/extlibs/pv/android/IAudioTrack.cpp
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Parcel.h>
+
+#include <media/IAudioTrack.h>
+
+namespace android {
+
+enum {
+ GET_CBLK = IBinder::FIRST_CALL_TRANSACTION,
+ START,
+ STOP,
+ FLUSH,
+ MUTE,
+ PAUSE
+};
+
+class BpAudioTrack : public BpInterface<IAudioTrack>
+{
+public:
+ BpAudioTrack(const sp<IBinder>& impl)
+ : BpInterface<IAudioTrack>(impl)
+ {
+ }
+
+ virtual status_t start()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor());
+ remote()->transact(START, data, &reply);
+ return reply.readInt32();
+ }
+
+ virtual void stop()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor());
+ remote()->transact(STOP, data, &reply);
+ }
+
+ virtual void flush()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor());
+ remote()->transact(FLUSH, data, &reply);
+ }
+
+ virtual void mute(bool e)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor());
+ data.writeInt32(e);
+ remote()->transact(MUTE, data, &reply);
+ }
+
+ virtual void pause()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor());
+ remote()->transact(PAUSE, data, &reply);
+ }
+
+ virtual sp<IMemory> getCblk() const
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor());
+ remote()->transact(GET_CBLK, data, &reply);
+ return interface_cast<IMemory>(reply.readStrongBinder());
+ }
+};
+
+IMPLEMENT_META_INTERFACE(AudioTrack, "android.media.IAudioTrack");
+
+// ----------------------------------------------------------------------
+
+#define CHECK_INTERFACE(interface, data, reply) \
+ do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+ LOGW("Call incorrectly routed to " #interface); \
+ return PERMISSION_DENIED; \
+ } } while (0)
+
+status_t BnAudioTrack::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch(code) {
+ case GET_CBLK: {
+ CHECK_INTERFACE(IAudioTrack, data, reply);
+ reply->writeStrongBinder(getCblk()->asBinder());
+ return NO_ERROR;
+ } break;
+ case START: {
+ CHECK_INTERFACE(IAudioTrack, data, reply);
+ reply->writeInt32(start());
+ return NO_ERROR;
+ } break;
+ case STOP: {
+ CHECK_INTERFACE(IAudioTrack, data, reply);
+ stop();
+ return NO_ERROR;
+ } break;
+ case FLUSH: {
+ CHECK_INTERFACE(IAudioTrack, data, reply);
+ flush();
+ return NO_ERROR;
+ } break;
+ case MUTE: {
+ CHECK_INTERFACE(IAudioTrack, data, reply);
+ mute( data.readInt32() );
+ return NO_ERROR;
+ } break;
+ case PAUSE: {
+ CHECK_INTERFACE(IAudioTrack, data, reply);
+ pause();
+ return NO_ERROR;
+ }
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android
+