121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
// ------------------------------------------------------------------------
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// ecicpp_helper.cpp: Helper routines for C++ ECI programming.
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// Copyright (C) 2002-2007 Kai Vehmanen
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//
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// This program 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 2 of the License, or
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// (at your option) any later version.
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//
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// This program 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 program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// ------------------------------------------------------------------------
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#include <cstdlib>
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#include <iostream>
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#include <string>
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#include <vector>
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#include <cstdio>
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#include <kvu_dbc.h>
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#include <kvu_utils.h>
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#include <eca-control-interface.h>
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#include "ecicpp_helpers.h"
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/**
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* Definitions and options
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*/
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using std::cerr;
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using std::cout;
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using std::endl;
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using std::string;
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/**
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* Function declarations
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*/
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int ecicpp_add_file_input(ECA_CONTROL_INTERFACE* eci, const string& filename, string* format)
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{
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if (filename.find(',') != string::npos) {
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cerr << "Error: Unable to handle filenames with commas. Exiting...\n";
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return -1;
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}
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return ecicpp_add_input(eci, filename, format);
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}
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int ecicpp_add_input(ECA_CONTROL_INTERFACE* eci, const string& input, string* format)
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{
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eci->command("ai-add " + input);
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bool error = eci->error();
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eci->command("ai-list");
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if (error == true || eci->last_string_list().size() != 1) {
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cerr << eci->last_error() << endl;
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cerr << "---\nError while processing input " << input << ". Exiting...\n";
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return -1;
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}
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/* we must connect to get correct input format */
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eci->command("ao-add null");
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eci->command("cs-connect");
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eci->command("ai-iselect 1");
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eci->command("ai-get-format");
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*format = eci->last_string();
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/* disconnect and remove the null output */
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eci->command("cs-disconnect");
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eci->command("ao-iselect 1");
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eci->command("ao-remove");
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return 0;
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}
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int ecicpp_add_output(ECA_CONTROL_INTERFACE* eci, const string& output, const string& format)
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{
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eci->command("cs-set-audio-format " + format);
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eci->command("ao-add " + output);
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bool error = eci->error();
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eci->command("ao-list");
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if (error == true || eci->last_string_list().size() != 1) {
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cerr << eci->last_error() << endl;
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cerr << "---\nError while processing output " << output << ". Exiting...\n";
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return -1;
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}
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return 0;
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}
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int ecicpp_connect_chainsetup(ECA_CONTROL_INTERFACE* eci, const string& csname)
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{
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eci->command("cs-connect");
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bool error = eci->error();
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string errorstr = eci->last_error();
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eci->command("cs-connected");
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if (error == true || eci->last_string() != csname) {
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cerr << endl << errorstr << endl;
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cerr << "---\nUnable to start processing. Exiting...\n";
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return -1;
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}
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return 0;
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}
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int ecicpp_format_channels(const string& format)
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{
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std::vector<std::string> tokens = kvu_string_to_vector(format, ',');
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DBC_CHECK(tokens.size() >= 3);
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return atoi(tokens[1].c_str());
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}
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