record_audio.h
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00001 // Copyright (c) 2017, The Regents of the University of California
00002 // All rights reserved.
00003 //
00004 // Redistribution and use in source and binary forms, with or without
00005 // modification, are permitted provided that the following conditions are met:
00006 // * Redistributions of source code must retain the above copyright
00007 //   notice, this list of conditions and the following disclaimer.
00008 // * Redistributions in binary form must reproduce the above copyright
00009 //   notice, this list of conditions and the following disclaimer in the
00010 //   documentation and/or other materials provided with the distribution.
00011 // * Neither the name of the University of California nor the
00012 //   names of its contributors may be used to endorse or promote products
00013 //   derived from this software without specific prior written permission.
00014 //
00015 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00016 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00017 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00018 // ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
00019 // BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00020 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00021 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00023 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00024 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00025 // POSSIBILITY OF SUCH DAMAGE.
00026 
00027 #ifndef COGROB_CLOUD_SPEECH_RECORD_AUDIO_H_
00028 #define COGROB_CLOUD_SPEECH_RECORD_AUDIO_H_
00029 
00030 #include "portaudio.h"
00031 
00032 #include <atomic>
00033 #include <memory>
00034 #include <thread>
00035 
00036 #include "util/simple_thread_safe_queue.h"
00037 #include "cogrob/cloud/speech/audio_sample.h"
00038 
00039 namespace cogrob {
00040 namespace cloud {
00041 namespace speech {
00042 
00043 class AudioRecorder {
00044  public:
00045   explicit AudioRecorder(AudioQueue* output_queue);
00046   virtual ~AudioRecorder();
00047  private:
00048   AudioQueue* queue_;
00049   PaStream* pa_stream_ = nullptr;
00050   void StartRecording();
00051   void StopRecording();
00052   static int PortAudioCallback(
00053       const void* input, void* output, unsigned long frame_count,
00054       const PaStreamCallbackTimeInfo* time_info,
00055       PaStreamCallbackFlags status_flags, void* user_data);
00056 };
00057 
00058 }  // namespace speech
00059 }  // namespace cloud
00060 }  // namespace cogrob
00061 
00062 #endif  // COGROB_CLOUD_SPEECH_RECORD_AUDIO_H_


gcloud_speech
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autogenerated on Thu Jun 6 2019 17:58:03