audio_sample.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
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00020 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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00022 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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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_AUDIO_SAMPLE_H_
00028 #define COGROB_CLOUD_SPEECH_AUDIO_SAMPLE_H_
00029 
00030 #include <cstdint>
00031 #include <memory>
00032 #include <vector>
00033 #include "util/simple_thread_safe_queue.h"
00034 
00035 namespace cogrob {
00036 namespace cloud {
00037 namespace speech {
00038 
00039 constexpr size_t SAMPLE_RATE = 16000;
00040 constexpr size_t SAMPLES_PER_SLICE = 1600;
00041 // Type for audio sample, 16 bits, 16kHz, Linear PCM, little endian, must be
00042 // even number of samples.
00043 using AudioSample = std::vector<uint8_t>;
00044 using AudioQueue = util::SimpleThreadSafeQueue<std::unique_ptr<AudioSample>>;
00045 
00046 }  // namespace speech
00047 }  // namespace cloud
00048 }  // namespace cogrob
00049 
00050 #endif  // COGROB_CLOUD_SPEECH_AUDIO_SAMPLE_H_


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