audio_sample.h

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// Copyright (c) 2017, The Regents of the University of California
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#ifndef COGROB_CLOUD_SPEECH_AUDIO_SAMPLE_H_
#define COGROB_CLOUD_SPEECH_AUDIO_SAMPLE_H_

#include <cstdint>
#include <memory>
#include <vector>
#include "util/simple_thread_safe_queue.h"

namespace cogrob {
namespace cloud {
namespace speech {

constexpr size_t SAMPLE_RATE = 16000;
constexpr size_t SAMPLES_PER_SLICE = 1600;
// Type for audio sample, 16 bits, 16kHz, Linear PCM, little endian, must be
// even number of samples.
using AudioSample = std::vector<uint8_t>;
using AudioQueue = util::SimpleThreadSafeQueue<std::unique_ptr<AudioSample>>;

}  // namespace speech
}  // namespace cloud
}  // namespace cogrob

#endif  // COGROB_CLOUD_SPEECH_AUDIO_SAMPLE_H_