tonewrite.cpp

GNU ccAudio2 is a stand-alone portable C++ class framework for manipulating audio data. It has exist

// Copyright (C) 2005 David Sugar, Tycho Softworks
//  
// This program 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 2 of the License, or
// (at your option) any later version.
// 
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include "tonetool.h"

#ifndef	VERSION
#define	VERSION	"1.3.0"
#endif

using namespace ost;

static const char *fname(const char *cp)
{
        const char *fn = strrchr(cp, '/');
        if(!fn)
                fn = strrchr(cp, '\\');
        if(fn)
                return ++fn;
        return cp;
}

void Tool::write(char **argv, bool append)
{
	AudioTone *tone;
	AudioStream output;
	Info info, make;
        const char *target;
        char *option;
        char *offset = NULL;
	char *encoding = "pcmu";
	Level level = 30000;
	timeout_t framing = 20, interdigit = 60;
	timeout_t maxtime = 60000;
	unsigned maxframes;
	Linear buffer;
	char *filename = "tones.conf";

retry:
        option = *argv;

        if(!strcmp("--", option))
        {
                ++argv;
                goto skip;
        }

        if(!strnicmp("--", option, 2))
                ++option;

        if(!strnicmp(option, "-encoding=", 10) && !append)
        {
                encoding = option + 10;
                ++argv;
                goto retry;
        }

	if(!stricmp(option, "-interdigit"))
	{
		++argv;
		if(*argv)
		{
			cerr << "tonetool: -interdigit: missing argument" << endl;
			exit(-1);
		}
		interdigit = atoi(*(argv++));
		goto retry;
	}

	if(!strnicmp(option, "-interdigit=", 12))
	{
		interdigit = atoi(option + 12);		
		++argv;
		goto retry;
	}

	if(!stricmp(option, "-framing"))
	{
		++argv;
		if(*argv)
		{
			cerr << "tonetool: -framing: missing argument" << endl;
			exit(-1);
		}
		framing = atoi(*(argv++));
		goto retry;
	}

	if(!strnicmp(option, "-framing=", 9))
	{
		framing = atoi(option + 9);		
		++argv;
		goto retry;
	}

        if(!stricmp(option, "-encoding"))
        {
                ++argv;
                if(!*argv)
                {      
			cerr << "tonetool: -encoding: missing argument" << endl;
                        exit(-1);
                }
                encoding = *(argv++);
                goto retry;
        }

        if(!strnicmp(option, "-offset=", 8) && append)
        {
                offset = option + 8;
                ++argv;
                goto retry;
        }

        if(!stricmp(option, "-offset") && append)
        {
                ++argv;
                if(!*argv)
                {
        		cerr << "tonetool: -offset: argument missing" << endl;
                        exit(-1);
                }
                offset = *(argv++);
                goto retry;
        }

skip:
        if(*argv && **argv == '-')
        {
	        cerr << "tonetool: " << *argv << ": unknown option" << endl;
                exit(-1);
        }

	TelTone::load(filename);

        if(*argv)
                target = *(argv++);

        if(!*argv)
        {
                cerr << "teltones: no tone spec to use" << endl;
                exit(-1);
        }

	if(!append && encoding)
		make.encoding = getEncoding(encoding);

	make.rate = rate8khz;
	
	if(!append)
	{
		remove(target);
		output.create(target, &make, false, framing);
	}
	else
	{
		output.open(target, modeWrite, framing);
		if(offset)
			output.setPosition(atol(offset));
		else
			output.setPosition();
	}

	if(!output.isOpen())
	{
		cerr << "teltones: " << target << ": cannot access" << endl;
		exit(-1);
	}

	if(!output.isStreamable())
	{
		cerr << "teltones: " << target << ": unable to load codec" << endl;
		exit(-1);
	}

	output.getInfo(&info);

	tone = getTone(argv, level, info.framing, interdigit);

	if(!tone)
	{
		cerr << "teltones: unrecognized spec used" << endl;
		exit(-1);
	}	
	
	cout << fname(target) << ": ";
	maxframes = maxtime / info.framing;

	while(maxframes--)
	{
		buffer = tone->getFrame();
		if(!buffer)
		{
			if(tone->isComplete())
				break;
			cout << '!';
			continue;
		}
		output.putMono(buffer);
		if(tone->isSilent())
			cout << '.';
		else
			cout << '+';
	}
	cout << endl;
	output.close();

	exit(0);
}