86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2017, Libre Space Foundation <http://librespacefoundation.org/>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_SATNOGS_NOAA_APT_SINK_IMPL_H
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#define INCLUDED_SATNOGS_NOAA_APT_SINK_IMPL_H
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#include <satnogs/noaa_apt_sink.h>
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#define PNG_DEBUG 3
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#include <png.h>
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#include <chrono>
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namespace gr
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{
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namespace satnogs
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{
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class noaa_apt_sink_impl : public noaa_apt_sink
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{
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private:
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uint32_t d_sync_word;
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uint32_t d_constructed_word;
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float d_slicer_threshold;
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bool d_sync_found;
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float d_max_value;
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float d_min_value;
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size_t d_norm_window;
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size_t d_sample_counter;
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const char* d_filename_png;
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size_t d_width;
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size_t d_height;
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bool d_split;
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size_t d_history_length;
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bool d_synchronize_opt;
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png_structp* d_png_ptr;
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png_infop* d_info_ptr;
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uint8_t* d_row_buffer;
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png_byte d_color_type;
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png_byte d_bit_depth;
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FILE** d_png_fd;
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size_t d_images_per_frame;
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size_t d_row_counter;
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size_t d_num_images;
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size_t d_current_buffered_samples;
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std::vector<std::string> d_png_fn;
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bool d_flip;
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public:
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noaa_apt_sink_impl (const char *filename_png, size_t width, size_t height,
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bool split, bool sync, bool flip);
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~noaa_apt_sink_impl ();
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void
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write_png_row ();
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void
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init_png ();
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void
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flip_image ();
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// Where all the action really happens
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int
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work (int noutput_items, gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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};
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} // namespace satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_NOAA_APT_SINK_IMPL_H */
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