sintonia/library/ecasound-2.7.2/ecatools/ecicpp_helpers.cpp

121 lines
3.3 KiB
C++

// ------------------------------------------------------------------------
// ecicpp_helper.cpp: Helper routines for C++ ECI programming.
// Copyright (C) 2002-2007 Kai Vehmanen
//
// 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 <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include <cstdio>
#include <kvu_dbc.h>
#include <kvu_utils.h>
#include <eca-control-interface.h>
#include "ecicpp_helpers.h"
/**
* Definitions and options
*/
using std::cerr;
using std::cout;
using std::endl;
using std::string;
/**
* Function declarations
*/
int ecicpp_add_file_input(ECA_CONTROL_INTERFACE* eci, const string& filename, string* format)
{
if (filename.find(',') != string::npos) {
cerr << "Error: Unable to handle filenames with commas. Exiting...\n";
return -1;
}
return ecicpp_add_input(eci, filename, format);
}
int ecicpp_add_input(ECA_CONTROL_INTERFACE* eci, const string& input, string* format)
{
eci->command("ai-add " + input);
bool error = eci->error();
eci->command("ai-list");
if (error == true || eci->last_string_list().size() != 1) {
cerr << eci->last_error() << endl;
cerr << "---\nError while processing input " << input << ". Exiting...\n";
return -1;
}
/* we must connect to get correct input format */
eci->command("ao-add null");
eci->command("cs-connect");
eci->command("ai-iselect 1");
eci->command("ai-get-format");
*format = eci->last_string();
/* disconnect and remove the null output */
eci->command("cs-disconnect");
eci->command("ao-iselect 1");
eci->command("ao-remove");
return 0;
}
int ecicpp_add_output(ECA_CONTROL_INTERFACE* eci, const string& output, const string& format)
{
eci->command("cs-set-audio-format " + format);
eci->command("ao-add " + output);
bool error = eci->error();
eci->command("ao-list");
if (error == true || eci->last_string_list().size() != 1) {
cerr << eci->last_error() << endl;
cerr << "---\nError while processing output " << output << ". Exiting...\n";
return -1;
}
return 0;
}
int ecicpp_connect_chainsetup(ECA_CONTROL_INTERFACE* eci, const string& csname)
{
eci->command("cs-connect");
bool error = eci->error();
string errorstr = eci->last_error();
eci->command("cs-connected");
if (error == true || eci->last_string() != csname) {
cerr << endl << errorstr << endl;
cerr << "---\nUnable to start processing. Exiting...\n";
return -1;
}
return 0;
}
int ecicpp_format_channels(const string& format)
{
std::vector<std::string> tokens = kvu_string_to_vector(format, ',');
DBC_CHECK(tokens.size() >= 3);
return atoi(tokens[1].c_str());
}