v4l_buffer_access_interface.h

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/*
 * BSD 3-Clause License
 *
 * Copyright (c) 2019, Analog Devices, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
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 *    this list of conditions and the following disclaimer in the documentation
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#ifndef V4L_BUFFER_ACCESS_INTERFACE_H
#define V4L_BUFFER_ACCESS_INTERFACE_H
 
#include <aditof/status_definitions.h>
#include <cstddef>
#include <cstdint>
#include <linux/videodev2.h>
 
namespace aditof {
 
class V4lBufferAccessInterface {
  public:
    virtual ~V4lBufferAccessInterface() = default;
 
    virtual Status enqueueInternalBuffer(struct v4l2_buffer &buf) = 0;
 
    virtual Status dequeueInternalBuffer(struct v4l2_buffer &buf) = 0;
 
    virtual Status getInternalBuffer(uint8_t **buffer, uint32_t &buf_data_len,
                                     const struct v4l2_buffer &buf) = 0;
 
    virtual Status getDeviceFileDescriptor(int &fileDescriptor) = 0;
 
    virtual Status waitForBuffer() = 0;
};
 
} // namespace aditof
 
#endif // V4L_BUFFER_ACCESS_INTERFACE_H