diff --git a/services/audioflinger/FastCapture.h b/services/audioflinger/FastCapture.h
new file mode 100644
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+++ b/services/audioflinger/FastCapture.h
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+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef ANDROID_AUDIO_FAST_CAPTURE_H
+#define ANDROID_AUDIO_FAST_CAPTURE_H
+
+#include "FastThread.h"
+#include "StateQueue.h"
+#include "FastCaptureState.h"
+
+namespace android {
+
+typedef StateQueue<FastCaptureState> FastCaptureStateQueue;
+
+struct FastCaptureDumpState : FastThreadDumpState {
+    FastCaptureDumpState();
+    /*virtual*/ ~FastCaptureDumpState();
+
+    // FIXME by renaming, could pull up many of these to FastThreadDumpState
+    uint32_t mReadSequence;     // incremented before and after each read()
+    uint32_t mFramesRead;       // total number of frames read successfully
+    uint32_t mReadErrors;       // total number of read() errors
+    uint32_t mSampleRate;
+    size_t   mFrameCount;
+};
+
+class FastCapture : public FastThread {
+
+public:
+            FastCapture();
+    virtual ~FastCapture();
+
+            FastCaptureStateQueue*  sq();
+
+private:
+            FastCaptureStateQueue   mSQ;
+
+    // callouts
+    virtual const FastThreadState *poll();
+    virtual void setLog(NBLog::Writer *logWriter);
+    virtual void onIdle();
+    virtual void onExit();
+    virtual bool isSubClassCommand(FastThreadState::Command command);
+    virtual void onStateChange();
+    virtual void onWork();
+
+    static const FastCaptureState initial;
+    FastCaptureState preIdle; // copy of state before we went into idle
+    // FIXME by renaming, could pull up many of these to FastThread
+    NBAIO_Source *inputSource;
+    int inputSourceGen;
+    NBAIO_Sink *pipeSink;
+    int pipeSinkGen;
+    short *readBuffer;
+    ssize_t readBufferState;    // number of initialized frames in readBuffer, or -1 to clear
+    NBAIO_Format format;
+    unsigned sampleRate;
+    FastCaptureDumpState dummyDumpState;
+    uint32_t totalNativeFramesRead; // copied to dumpState->mFramesRead
+
+};  // class FastCapture
+
+}   // namespace android
+
+#endif  // ANDROID_AUDIO_FAST_CAPTURE_H