142 lines
3.6 KiB
C++
142 lines
3.6 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2013-2014 Sylvain Munaut <tnt@246tNt.com>
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*
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* This 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, or (at your option)
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* any later version.
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*
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* This software 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 software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_FOSPHOR_BASE_SINK_C_IMPL_H
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#define INCLUDED_GR_FOSPHOR_BASE_SINK_C_IMPL_H
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#include <stdint.h>
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#include <gnuradio/thread/thread.h>
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#include <gnuradio/fosphor/base_sink_c.h>
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struct fosphor;
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struct fosphor_render;
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namespace gr {
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namespace fosphor {
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class fifo;
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/*!
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* \brief Base class for fosphor sink implementation
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* \ingroup fosphor
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*/
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class base_sink_c_impl : virtual public base_sink_c
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{
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private:
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/* Worker thread */
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gr::thread::thread d_worker;
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bool d_active;
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bool d_frozen;
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void worker();
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static void _worker(base_sink_c_impl *obj);
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/* fosphor core */
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fifo *d_fifo;
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struct fosphor *d_fosphor;
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struct fosphor_render *d_render_main;
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struct fosphor_render *d_render_zoom;
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void render();
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static gr::thread::mutex s_boot_mutex;
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/* settings refresh logic */
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enum {
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SETTING_DIMENSIONS = (1 << 0),
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SETTING_POWER_RANGE = (1 << 1),
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SETTING_FREQUENCY_RANGE = (1 << 2),
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SETTING_FFT_WINDOW = (1 << 3),
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SETTING_RENDER_OPTIONS = (1 << 4),
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};
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uint32_t d_settings_changed;
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thread::mutex d_settings_mutex;
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void settings_mark_changed(uint32_t setting);
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uint32_t settings_get_and_reset_changed(void);
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void settings_apply(uint32_t settings);
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/* settings values */
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int d_width;
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int d_height;
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static const int k_db_per_div[];
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int d_db_ref;
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int d_db_per_div_idx;
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bool d_zoom_enabled;
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double d_zoom_center;
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double d_zoom_width;
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float d_ratio;
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struct {
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double center;
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double span;
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} d_frequency;
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gr::fft::window::win_type d_fft_window;
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protected:
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base_sink_c_impl();
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/* Delegated implementation of GL context management */
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virtual void glctx_init() = 0;
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virtual void glctx_poll() = 0;
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virtual void glctx_swap() = 0;
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virtual void glctx_fini() = 0;
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virtual void glctx_update() = 0;
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/* Callbacks from GL window */
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void cb_reshape(int width, int height);
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public:
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virtual ~base_sink_c_impl();
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/* gr::fosphor::base_sink_c implementation */
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void execute_ui_action(enum ui_action_t action);
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void set_frequency_range(const double center,
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const double span);
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void set_frequency_center(const double center);
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void set_frequency_span(const double span);
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void set_fft_window(const gr::fft::window::win_type win);
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/* gr::sync_block implementation */
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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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bool start();
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bool stop();
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};
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} // namespace fosphor
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} // namespace gr
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#endif /* INCLUDED_GR_FOSPHOR_BASE_SINK_C_IMPL_H */
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