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Diffstat (limited to 'services/audioflinger/FastCapture.h')
-rw-r--r-- | services/audioflinger/FastCapture.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/services/audioflinger/FastCapture.h b/services/audioflinger/FastCapture.h new file mode 100644 index 0000000..e535b9d --- /dev/null +++ b/services/audioflinger/FastCapture.h @@ -0,0 +1,78 @@ +/* + * 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 |