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/* -*- c++ -*- */
/*
* Copyright 2013-2014 Sylvain Munaut <tnt@246tNt.com>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_GR_FOSPHOR_BASE_SINK_C_IMPL_H
#define INCLUDED_GR_FOSPHOR_BASE_SINK_C_IMPL_H
#include <stdint.h>
#include <gnuradio/thread/thread.h>
#include <gnuradio/fosphor/base_sink_c.h>
struct fosphor;
struct fosphor_render;
namespace gr {
namespace fosphor {
class fifo;
/*!
* \brief Base class for fosphor sink implementation
* \ingroup fosphor
*/
class base_sink_c_impl : virtual public base_sink_c
{
private:
/* Worker thread */
gr::thread::thread d_worker;
bool d_active;
bool d_frozen;
void worker();
static void _worker(base_sink_c_impl *obj);
/* fosphor core */
fifo *d_fifo;
struct fosphor *d_fosphor;
struct fosphor_render *d_render_main;
struct fosphor_render *d_render_zoom;
void render();
static gr::thread::mutex s_boot_mutex;
/* settings refresh logic */
enum {
SETTING_DIMENSIONS = (1 << 0),
SETTING_POWER_RANGE = (1 << 1),
SETTING_FREQUENCY_RANGE = (1 << 2),
SETTING_FFT_WINDOW = (1 << 3),
SETTING_RENDER_OPTIONS = (1 << 4),
};
uint32_t d_settings_changed;
thread::mutex d_settings_mutex;
void settings_mark_changed(uint32_t setting);
uint32_t settings_get_and_reset_changed(void);
void settings_apply(uint32_t settings);
/* settings values */
int d_width;
int d_height;
static const int k_db_per_div[];
int d_db_ref;
int d_db_per_div_idx;
bool d_zoom_enabled;
double d_zoom_center;
double d_zoom_width;
float d_ratio;
struct {
double center;
double span;
} d_frequency;
gr::fft::window::win_type d_fft_window;
protected:
base_sink_c_impl();
/* Delegated implementation of GL context management */
virtual void glctx_init() = 0;
virtual void glctx_poll() = 0;
virtual void glctx_swap() = 0;
virtual void glctx_fini() = 0;
virtual void glctx_update() = 0;
/* Callbacks from GL window */
void cb_reshape(int width, int height);
public:
virtual ~base_sink_c_impl();
/* gr::fosphor::base_sink_c implementation */
void execute_ui_action(enum ui_action_t action);
void set_frequency_range(const double center,
const double span);
void set_frequency_center(const double center);
void set_frequency_span(const double span);
void set_fft_window(const gr::fft::window::win_type win);
/* gr::sync_block implementation */
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
bool start();
bool stop();
};
} // namespace fosphor
} // namespace gr
#endif /* INCLUDED_GR_FOSPHOR_BASE_SINK_C_IMPL_H */
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