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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
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