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freeswitch/libs/spandsp/tests/media_monitor.cpp

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/*
* SpanDSP - a series of DSP components for telephony
*
* media_monitor.cpp - Display IP streaming media status, using the FLTK toolkit.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2007 Steve Underwood
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: media_monitor.cpp,v 1.5 2008/09/08 16:10:41 steveu Exp $
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if defined(HAVE_FL_FL_H) && defined(HAVE_FL_FL_CARTESIAN_H)
#define __STDC_LIMIT_MACROS
#include <inttypes.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/select.h>
#include <FL/Fl.H>
#include <FL/Fl_Overlay_Window.H>
#include <FL/Fl_Light_Button.H>
#include <FL/Fl_Cartesian.H>
#include <FL/fl_draw.H>
#include "spandsp.h"
#include "media_monitor.h"
struct line_model_monitor_s
{
Fl_Double_Window *w;
Fl_Group *c_right;
Fl_Group *c_sent;
Fl_Group *c_received;
Ca_Canvas *canvas_sent;
Ca_X_Axis *sent_x;
Ca_Y_Axis *sent_y;
Ca_Line *sent_re;
double sent_re_plot[1000];
double sent_re_plot_min;
double sent_re_plot_max;
Ca_Canvas *canvas_received;
Ca_X_Axis *received_x;
Ca_Y_Axis *received_y;
Ca_Line *received_delays;
double received_delays_plot[4000];
double received_delays_plot_max;
int min_diff;
int max_diff;
int highest_seq_no_seen;
};
static int skip = 0;
static struct line_model_monitor_s media;
static struct line_model_monitor_s *s = &media;
void media_monitor_rx(int seq_no, double departure_time, double arrival_time)
{
double fdiff;
int diff;
int i;
if (s->received_delays)
delete s->received_delays;
s->canvas_received->current(s->canvas_received);
fdiff = (arrival_time - departure_time)*1000.0;
diff = (int) fdiff;
if (diff < 0)
diff = 0;
else if (diff > 1999)
diff = 1999;
s->received_delays_plot[2*diff + 1]++;
if (s->received_delays_plot[2*diff + 1] > s->received_delays_plot_max)
{
s->received_delays_plot_max = s->received_delays_plot[2*diff + 1];
s->received_y->maximum(s->received_delays_plot_max);
}
if (diff > s->max_diff)
{
s->max_diff = diff;
s->received_x->maximum((double) s->max_diff);
}
if (diff < s->min_diff)
{
s->min_diff = diff - 1;
s->received_x->minimum((double) s->min_diff);
}
s->received_delays = new Ca_Line(2000, s->received_delays_plot, 0, 0, FL_BLUE, CA_NO_POINT);
if (s->sent_re)
delete s->sent_re;
s->canvas_sent->current(s->canvas_sent);
if (seq_no > s->highest_seq_no_seen + 1)
{
for (i = s->highest_seq_no_seen + 1; i < seq_no; i++)
s->sent_re_plot[2*(i%500) + 1] = 0.0;
}
s->sent_re_plot[2*(seq_no%500) + 1] = fdiff;
if (fdiff > s->sent_re_plot_max)
{
s->sent_re_plot_max = fdiff;
s->sent_y->maximum(s->sent_re_plot_max);
}
if (fdiff < s->sent_re_plot_min)
{
s->sent_re_plot_min = fdiff - 1.0;
s->sent_y->minimum(s->sent_re_plot_min);
}
s->sent_re = new Ca_Line(500, s->sent_re_plot, 0, 0, FL_BLUE, CA_NO_POINT);
if (seq_no > s->highest_seq_no_seen)
s->highest_seq_no_seen = seq_no;
if (++skip >= 100)
{
skip = 0;
Fl::check();
}
}
/*- End of function --------------------------------------------------------*/
int start_media_monitor(void)
{
char buf[132 + 1];
float x;
float y;
int i;
int len;
len = 128;
s->w = new Fl_Double_Window(465, 400, "IP streaming media monitor");
s->c_right = new Fl_Group(0, 0, 465, 405);
s->c_sent = new Fl_Group(0, 0, 465, 200);
s->c_sent->box(FL_DOWN_BOX);
s->c_sent->align(FL_ALIGN_TOP | FL_ALIGN_INSIDE);
s->c_sent->current();
s->canvas_sent = new Ca_Canvas(110, 35, 300, 100, "Packet delays");
s->canvas_sent->box(FL_PLASTIC_DOWN_BOX);
s->canvas_sent->color(7);
s->canvas_sent->align(FL_ALIGN_TOP);
Fl_Group::current()->resizable(s->canvas_sent);
s->canvas_sent->border(15);
s->sent_x = new Ca_X_Axis(115, 135, 290, 30, "Packet");
s->sent_x->align(FL_ALIGN_BOTTOM);
s->sent_x->minimum(0.0);
s->sent_x->maximum(500.0);
s->sent_x->label_format("%g");
s->sent_x->minor_grid_color(fl_gray_ramp(20));
s->sent_x->major_grid_color(fl_gray_ramp(15));
s->sent_x->label_grid_color(fl_gray_ramp(10));
s->sent_x->grid_visible(CA_LABEL_GRID | CA_ALWAYS_VISIBLE);
s->sent_x->minor_grid_style(FL_DOT);
s->sent_x->major_step(5);
s->sent_x->label_step(1);
s->sent_x->axis_align(CA_BOTTOM | CA_LINE);
s->sent_x->axis_color(FL_BLACK);
s->sent_x->current();
s->sent_y = new Ca_Y_Axis(60, 40, 50, 90, "Delay\n(ms)");
s->sent_y->align(FL_ALIGN_LEFT);
s->sent_y->minimum(0.0);
s->sent_y->maximum(2000.0);
s->sent_y->minor_grid_color(fl_gray_ramp(20));
s->sent_y->major_grid_color(fl_gray_ramp(15));
s->sent_y->label_grid_color(fl_gray_ramp(10));
s->sent_y->grid_visible(CA_LABEL_GRID | CA_ALWAYS_VISIBLE);
s->sent_y->minor_grid_style(FL_DOT);
s->sent_y->major_step(5);
s->sent_y->label_step(1);
s->sent_y->axis_color(FL_BLACK);
s->sent_y->current();
s->c_sent->end();
s->c_received = new Fl_Group(0, 200, 465, 200);
s->c_received->box(FL_DOWN_BOX);
s->c_received->align(FL_ALIGN_TOP | FL_ALIGN_INSIDE);
s->c_received->current();
s->canvas_received = new Ca_Canvas(110, 235, 300, 100, "Delay spread");
s->canvas_received->box(FL_PLASTIC_DOWN_BOX);
s->canvas_received->color(7);
s->canvas_received->align(FL_ALIGN_TOP);
Fl_Group::current()->resizable(s->canvas_received);
s->canvas_received->border(15);
s->received_x = new Ca_X_Axis(115, 335, 290, 30, "Delay (ms)");
s->received_x->align(FL_ALIGN_BOTTOM);
s->received_x->minimum(0.0);
s->received_x->maximum(2000.0);
s->received_x->label_format("%g");
s->received_x->minor_grid_color(fl_gray_ramp(20));
s->received_x->major_grid_color(fl_gray_ramp(15));
s->received_x->label_grid_color(fl_gray_ramp(10));
s->received_x->grid_visible(CA_LABEL_GRID | CA_ALWAYS_VISIBLE);
s->received_x->minor_grid_style(FL_DOT);
s->received_x->major_step(5);
s->received_x->label_step(1);
s->received_x->axis_align(CA_BOTTOM | CA_LINE);
s->received_x->axis_color(FL_BLACK);
s->received_x->current();
s->received_y = new Ca_Y_Axis(60, 240, 50, 90, "Freq");
s->received_y->align(FL_ALIGN_LEFT);
s->received_y->minimum(0.0);
s->received_y->maximum(50.0);
s->received_y->minor_grid_color(fl_gray_ramp(20));
s->received_y->major_grid_color(fl_gray_ramp(15));
s->received_y->label_grid_color(fl_gray_ramp(10));
s->received_y->grid_visible(CA_LABEL_GRID | CA_ALWAYS_VISIBLE);
s->received_y->minor_grid_style(FL_DOT);
s->received_y->major_step(5);
s->received_y->label_step(1);
s->received_y->axis_color(FL_BLACK);
s->received_y->current();
for (i = 0; i < 2000; i++)
s->received_delays_plot[2*i] = i;
s->received_delays_plot_max = 0.0;
s->min_diff = 2000;
s->max_diff = 0;
s->received_delays = NULL;
s->highest_seq_no_seen = -1;
for (i = 0; i < 500; i++)
s->sent_re_plot[2*i] = i;
s->sent_re_plot_min = 99999.0;
s->sent_re_plot_max = 0.0;
s->sent_re = NULL;
s->c_received->end();
s->c_right->end();
Fl_Group::current()->resizable(s->c_right);
s->w->end();
s->w->show();
Fl::check();
return 0;
}
/*- End of function --------------------------------------------------------*/
void media_monitor_wait_to_end(void)
{
fd_set rfds;
int res;
struct timeval tv;
fprintf(stderr, "Processing complete. Press the <enter> key to end\n");
do
{
usleep(100000);
Fl::check();
FD_ZERO(&rfds);
FD_SET(0, &rfds);
tv.tv_usec = 100000;
tv.tv_sec = 0;
res = select(1, &rfds, NULL, NULL, &tv);
}
while (res <= 0);
}
/*- End of function --------------------------------------------------------*/
void media_monitor_update_display(void)
{
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
Fl::check();
}
/*- End of function --------------------------------------------------------*/
#endif
/*- End of file ------------------------------------------------------------*/
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