tagged_file_sink.h

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/* -*- c++ -*- */
/*
 * Copyright 2010,2013 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 */
 
#ifndef INCLUDED_GR_TAGGED_FILE_SINK_H
#define INCLUDED_GR_TAGGED_FILE_SINK_H
 
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
 
namespace gr {
namespace blocks {
 
/*!
 * \brief A file sink that uses tags to save files.
 * \ingroup file_operators_blk
 * \ingroup stream_tag_tools_blk
 *
 * \details
 * The sink uses a tag with the key 'burst' to trigger the saving
 * of the burst data to a new file. If the value of this tag is
 * True, it will open a new file and start writing all incoming
 * data to it. If the tag is False, it will close the file (if
 * already opened). The file names are based on the time when the
 * burst tag was seen. If there is an 'rx_time' tag (standard with
 * UHD sources), that is used as the time. If no 'rx_time' tag is
 * found, the new time is calculated based off the sample rate of
 * the block.
 */
class BLOCKS_API tagged_file_sink : virtual public sync_block
{
public:
    // gr::blocks::tagged_file_sink::sptr
    typedef std::shared_ptr<tagged_file_sink> sptr;
 
    /*!
     * \brief Build a tagged_file_sink block.
     *
     * \param itemsize The item size of the input data stream.
     * \param samp_rate The sample rate used to determine the time
     *                  difference between bursts
     */
    static sptr make(size_t itemsize, double samp_rate);
};
 
} /* namespace blocks */
} /* namespace gr */
 
#endif /* INCLUDED_GR_TAGGED_FILE_SINK_H */