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 24 namespace android { 25 26 typedef StateQueue<FastCaptureState> FastCaptureStateQueue; 27 28 struct FastCaptureDumpState : FastThreadDumpState { 29 FastCaptureDumpState(); 30 /*virtual*/ ~FastCaptureDumpState(); 31 32 // FIXME by renaming, could pull up many of these to FastThreadDumpState 33 uint32_t mReadSequence; // incremented before and after each read() 34 uint32_t mFramesRead; // total number of frames read successfully 35 uint32_t mReadErrors; // total number of read() errors 36 uint32_t mSampleRate; 37 size_t mFrameCount; 38 }; 39 40 class FastCapture : public FastThread { 41 42 public: 43 FastCapture(); 44 virtual ~FastCapture(); 45 46 FastCaptureStateQueue* sq(); 47 48 private: 49 FastCaptureStateQueue mSQ; 50 51 // callouts 52 virtual const FastThreadState *poll(); 53 virtual void setLog(NBLog::Writer *logWriter); 54 virtual void onIdle(); 55 virtual void onExit(); 56 virtual bool isSubClassCommand(FastThreadState::Command command); 57 virtual void onStateChange(); 58 virtual void onWork(); 59 60 static const FastCaptureState initial; 61 FastCaptureState preIdle; // copy of state before we went into idle 62 // FIXME by renaming, could pull up many of these to FastThread 63 NBAIO_Source *inputSource; 64 int inputSourceGen; 65 NBAIO_Sink *pipeSink; 66 int pipeSinkGen; 67 short *readBuffer; 68 ssize_t readBufferState; // number of initialized frames in readBuffer, or -1 to clear 69 NBAIO_Format format; 70 unsigned sampleRate; 71 FastCaptureDumpState dummyDumpState; 72 uint32_t totalNativeFramesRead; // copied to dumpState->mFramesRead 73 74 }; // class FastCapture 75 76 } // namespace android 77 78 #endif // ANDROID_AUDIO_FAST_CAPTURE_H 79