1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_AUDIO_FAST_CAPTURE_H
18#define ANDROID_AUDIO_FAST_CAPTURE_H
19
20#include "FastThread.h"
21#include "StateQueue.h"
22#include "FastCaptureState.h"
23#include "FastCaptureDumpState.h"
24
25namespace android {
26
27typedef StateQueue<FastCaptureState> FastCaptureStateQueue;
28
29class FastCapture : public FastThread {
30
31public:
32            FastCapture();
33    virtual ~FastCapture();
34
35            FastCaptureStateQueue*  sq();
36
37private:
38            FastCaptureStateQueue   mSQ;
39
40    // callouts
41    virtual const FastThreadState *poll();
42    virtual void setLog(NBLog::Writer *logWriter);
43    virtual void onIdle();
44    virtual void onExit();
45    virtual bool isSubClassCommand(FastThreadState::Command command);
46    virtual void onStateChange();
47    virtual void onWork();
48
49    static const FastCaptureState sInitial;
50
51    FastCaptureState    mPreIdle;   // copy of state before we went into idle
52    // FIXME by renaming, could pull up many of these to FastThread
53    NBAIO_Source*       mInputSource;
54    int                 mInputSourceGen;
55    NBAIO_Sink*         mPipeSink;
56    int                 mPipeSinkGen;
57    void*               mReadBuffer;
58    ssize_t             mReadBufferState;   // number of initialized frames in readBuffer,
59                                            // or -1 to clear
60    NBAIO_Format        mFormat;
61    unsigned            mSampleRate;
62    FastCaptureDumpState mDummyFastCaptureDumpState;
63    uint32_t            mTotalNativeFramesRead; // copied to dumpState->mFramesRead
64
65};  // class FastCapture
66
67}   // namespace android
68
69#endif  // ANDROID_AUDIO_FAST_CAPTURE_H
70