audioFromFileDevice.h

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/*
 * SPDX-FileCopyrightText: 2006-2021 Istituto Italiano di Tecnologia (IIT)
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#include <yarp/dev/DeviceDriver.h>
#include <yarp/os/PeriodicThread.h>
#include <yarp/dev/IGenericSensor.h>
#include <yarp/dev/AudioRecorderDeviceBase.h>
#include <yarp/sig/Sound.h>
#include <yarp/sig/SoundFile.h>
 
#include <string>
#include <mutex>
 
class audioFromFileDevice :
        public yarp::dev::DeviceDriver,
        public yarp::dev::AudioRecorderDeviceBase,
        public yarp::os::PeriodicThread
{
public:
    audioFromFileDevice();
    audioFromFileDevice(const audioFromFileDevice&) = delete;
    audioFromFileDevice(audioFromFileDevice&&) = delete;
    audioFromFileDevice& operator=(const audioFromFileDevice&) = delete;
    audioFromFileDevice& operator=(audioFromFileDevice&&) = delete;
    ~audioFromFileDevice() override;
 
    // Device Driver interface
    bool open(yarp::os::Searchable &config) override;
    bool close() override;
 
private:
   //thread
    bool threadInit() override;
    void run() override;
 
public:
    bool setHWGain(double gain) override;
 
private:
    yarp::sig::Sound m_audioFile;
    std::string m_audio_filename = "audio.wav";
    size_t m_bpnt = 0;
    size_t m_samples_to_be_copied = 512;
    size_t m_fsize_in_samples = 0;
    std::vector<std::reference_wrapper<yarp::sig::Sound::audio_sample>> m_datap;
};