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

234 lines
6.3 KiB
C++

// ------------------------------------------------------------------------
// ecanormalize.cpp: A simple command-line tools for normalizing
// sample volume.
// Copyright (C) 1999-2006 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
// ------------------------------------------------------------------------
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string>
#include <iostream>
#include <cstdio>
#include <signal.h>
#include <stdlib.h>
#include <kvutils/kvu_com_line.h>
#include <kvutils/kvu_temporary_file_directory.h>
#include <kvutils/kvu_numtostr.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 main(int argc, char *argv[]);
static void ecanormalize_print_usage(void);
static void ecanormalize_signal_handler(int signum);
/**
* Definitions and options
*/
#define ECANORMALIZE_PHASE_ANALYSIS 0
#define ECANORMALIZE_PHASE_PROCESSING 1
#define ECANORMALIZE_PHASE_MAX 2
/**
* Global variables
*/
static const string ecatools_normalize_version = "20050316-27";
static string ecatools_normalize_tempfile;
/**
* Function definitions
*/
int main(int argc, char *argv[])
{
struct sigaction es_handler;
es_handler.sa_handler = ecanormalize_signal_handler;
sigemptyset(&es_handler.sa_mask);
es_handler.sa_flags = 0;
sigaction(SIGTERM, &es_handler, 0);
sigaction(SIGINT, &es_handler, 0);
sigaction(SIGQUIT, &es_handler, 0);
sigaction(SIGABRT, &es_handler, 0);
struct sigaction ign_handler;
ign_handler.sa_handler = SIG_IGN;
sigemptyset(&ign_handler.sa_mask);
ign_handler.sa_flags = 0;
/* ignore the following signals */
sigaction(SIGPIPE, &ign_handler, 0);
sigaction(SIGFPE, &ign_handler, 0);
COMMAND_LINE cline = COMMAND_LINE (argc, argv);
if (cline.size() < 2) {
ecanormalize_print_usage();
return(1);
}
try {
string filename;
double multiplier = 1.0f;
TEMPORARY_FILE_DIRECTORY tempfile_dir_rep;
string tmpdir ("ecatools-");
char* tmp_p = getenv("LOGNAME");
if (tmp_p == NULL) tmp_p = getenv("USER");
if (tmp_p != NULL) {
tmpdir += string(tmp_p);
tempfile_dir_rep.reserve_directory(tmpdir);
}
if (tempfile_dir_rep.is_valid() != true) {
cerr << "---\nError while creating temporary directory \"" << tmpdir << "\". Exiting...\n";
return(0);
}
ecatools_normalize_tempfile = tempfile_dir_rep.create_filename("normalize-tmp", ".wav");
ECA_CONTROL_INTERFACE eci;
cline.begin();
cline.next(); // skip the program name
while(cline.end() == false) {
filename = cline.current();
for(int m = 0; m < ECANORMALIZE_PHASE_MAX; m++) {
eci.command("cs-add default");
eci.command("c-add default");
if (m == ECANORMALIZE_PHASE_ANALYSIS) {
cout << "Analyzing file \"" << filename << "\".\n";
string format;
if (ecicpp_add_file_input(&eci, filename, &format) < 0) break;
cout << "Using audio format -f:" << format << "\n";
cout << "Opening temp file \"" << ecatools_normalize_tempfile << "\".\n";
if (ecicpp_add_output(&eci, ecatools_normalize_tempfile, format) < 0) break;
eci.command("cop-add -ev");
eci.command("cop-list");
if (eci.last_string_list().size() != 1) {
cerr << eci.last_error() << endl;
cerr << "---\nError while adding -ev chainop. Exiting...\n";
break;
}
}
else {
string format;
if (ecicpp_add_file_input(&eci, ecatools_normalize_tempfile, &format) < 0) break;
cout << "Using audio format -f:" << format << "\n";
if (ecicpp_add_output(&eci, filename, format) < 0) break;
eci.command("cop-add -ea:" + kvu_numtostr(multiplier * 100.0f));
eci.command("cop-list");
if (eci.last_string_list().size() != 1) {
cerr << eci.last_error() << endl;
cerr << "---\nError while adding -ev chainop. Exiting...\n";
break;
}
}
cout << "Starting processing...\n";
if (ecicpp_connect_chainsetup(&eci, "default") < 0) {
break;
}
else {
// blocks until processing is done
eci.command("run");
}
cout << "Processing finished.\n";
if (m == ECANORMALIZE_PHASE_ANALYSIS) {
eci.command("cop-select 1");
eci.command("copp-select 2"); /* 2nd param of -ev, first one
* sets the mode */
eci.command("copp-get");
multiplier = eci.last_float();
if (multiplier <= 1.0) {
cout << "File \"" << filename << "\" is already normalized.\n";
eci.command("cs-disconnect");
eci.command("cs-select default");
eci.command("cs-remove");
break;
}
else {
cout << "Normalizing file \"" << filename << "\" (amp-%: ";
cout << multiplier * 100.0 << ").\n";
}
}
eci.command("cs-disconnect");
eci.command("cs-select default");
eci.command("cs-remove");
}
cout << "Removing temp file \"" << ecatools_normalize_tempfile << "\".\n";
remove(ecatools_normalize_tempfile.c_str());
cline.next();
}
}
catch(...) {
cerr << "\nCaught an unknown exception.\n";
}
return(0);
}
static void ecanormalize_print_usage(void)
{
cerr << "****************************************************************************\n";
cerr << "* ecanormalize, v" << ecatools_normalize_version << " (" << VERSION << ")\n";
cerr << "* (C) 1997-2004 Kai Vehmanen, released under the GPL license\n";
cerr << "****************************************************************************\n";
cerr << "\nUSAGE: ecanormalize file1 [ file2, ... fileN ]\n\n";
}
static void ecanormalize_signal_handler(int signum)
{
cerr << "Unexpected interrupt... cleaning up.\n";
remove(ecatools_normalize_tempfile.c_str());
exit(1);
}