68 lines
1.9 KiB
C++
68 lines
1.9 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) 2018, 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_SSTV_PD120_SINK_IMPL_H
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#define INCLUDED_SATNOGS_SSTV_PD120_SINK_IMPL_H
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#include <satnogs/sstv_pd120_sink.h>
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#define PNG_DEBUG 3
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#include <png++/png.hpp>
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namespace gr {
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namespace satnogs {
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class sstv_pd120_sink_impl : public sstv_pd120_sink
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{
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private:
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std::string d_filename_png;
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bool d_has_sync;
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bool d_initial_sync;
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float *d_line;
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size_t d_line_pos;
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size_t d_image_y;
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size_t d_num_image;
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png::image<png::rgb_pixel> d_image;
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float to_frequency(float sample);
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int to_color(float sample);
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void ycbcr_to_rgb(int ycbcr[3], int rgb[3]);
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bool is_sync(size_t pos, const float *samples);
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void render_line();
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public:
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sstv_pd120_sink_impl(const char *filename_png);
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~sstv_pd120_sink_impl();
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// Where all the action really happens
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int work(int noutput_items,
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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_SSTV_PD120_SINK_IMPL_H */
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