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alex 2025-03-09 08:39:41 +01:00
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Makefile Normal file
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usetaglib: usetaglib.cpp
g++ -ltag usetaglib.cpp -o usetaglib

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usetaglib.cpp Normal file
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/* Copyright (C) 2015 Alexander Schmidt <alex@treefish.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <iomanip>
#include <iostream>
#include <taglib/fileref.h>
#include <taglib/tag.h>
#include <taglib/tpropertymap.h>
#include <taglib/tstringlist.h>
#include <getopt.h>
#include <vector>
#include <sstream>
using namespace std;
enum action {LIST, REPLACE, INSERT, ERASE, AUDIO};
typedef pair<action,string> actionpair;
typedef vector<actionpair> actionqueue;
typedef pair<TagLib::String,TagLib::StringList> keyandvalues;
keyandvalues toKeyAndValues (const string &rawstring)
{
stringstream tmpss;
TagLib::String key;
TagLib::StringList values;
int isplit=0;
for (int ipos=0; ipos < rawstring.length(); ipos++) {
if ( rawstring[ipos] == '\\' ) {
switch (rawstring[ipos+1]) {
case '\\':
tmpss << '\\';
break;
case '=':
tmpss << '=';
break;
default:
tmpss << '\\' << rawstring[ipos+1];
break;
}
ipos++;
}
else
if ( rawstring[ipos] == '=' ) {
if ( isplit == 0 )
key = tmpss.str();
else
values.append(tmpss.str());
isplit++;
tmpss.str("");
}
else
tmpss << rawstring[ipos];
}
if (isplit==0)
key = tmpss.str();
else
values.append(tmpss.str());
return make_pair(key, values);
}
void action_eraseTag (TagLib::PropertyMap &propmap, const string &key)
{
propmap.erase(key);
}
void action_replaceTag (TagLib::PropertyMap &propmap, const keyandvalues &keyAndValues)
{
propmap.replace(keyAndValues.first, keyAndValues.second);
}
void action_insertTag (TagLib::PropertyMap &propmap, const keyandvalues &keyAndValues)
{
propmap.insert(keyAndValues.first, keyAndValues.second);
}
int action_printTags (const TagLib::FileRef f, TagLib::PropertyMap &propmap)
{
if(f.tag()) {
unsigned int longest = 0;
for(TagLib::PropertyMap::ConstIterator i = propmap.begin(); i != propmap.end(); ++i) {
if (i->first.size() > longest) {
longest = i->first.size();
}
}
cout << " \\_____/ TAGS \\_____ _ _ _" << endl;
for(TagLib::PropertyMap::ConstIterator i = propmap.begin(); i != propmap.end(); ++i) {
for(TagLib::StringList::ConstIterator j = i->second.begin(); j != i->second.end(); ++j) {
cout << i->first << "=" << *j << endl;
}
}
return 0;
}
else
return 1;
}
int action_printAudio (const TagLib::FileRef f)
{
if(f.audioProperties()) {
TagLib::AudioProperties *properties = f.audioProperties();
int seconds = properties->length() % 60;
int minutes = (properties->length() - seconds) / 60;
cout << " \\_____/ AUDIO PROPERTIES \\_____ _ _ _" << endl;
cout << "BITRATE=" << properties->bitrate() << endl;
cout << "SAMPLERATE=" << properties->sampleRate() << endl;
cout << "CHANNELS=" << properties->channels() << endl;
cout << "LENGTH=" << minutes << ":" << setfill('0') << setw(2) << seconds << endl;
return 0;
}
else
return 1;
}
void printHelp ()
{
cout <<
"Usage: usetaglib [ACTION]... [FILE]...\n"
"Read and edit meta-data of audio formats supported by taglib.\n"
"Multiple ACTIONS and FILES may be given in arbitrary order.\n"
"\n"
"-h, --help show help\n"
"-H, --longhelp show long help\n"
"\n"
"ACTIONS\n"
" If multiple actions are specified they are executed in given order.\n"
"\n"
" -l, --list list all tags (implicit if no action given)\n"
" -a, --audio show audio properties\n"
" -e, --erase=TAGNAME erase tag TAGNAME\n"
" -r, --replace=TAGNAME=TAGVAL replace tag TAGNAME with value TAGVAL\n"
" -i, --insert=TAGNAME=TAGVAL insert tag TAGNAME with value TAGVAL\n";
}
void printExtraHelp ()
{
cout <<
"\n"
"TAGNAME\n"
" TAGNAME is a media format independent id encoding the type of a tag.\n"
" Note that also in --list output, format specific tag ids are translated\n"
" to unified TAGNAMES.\n"
"\n"
" Some \"well-known\" tags you might want to use are:\n"
" TITLE ALBUM ARTIST ALBUMARTIST SUBTITLE TRACKNUMBER DISCNUMBER DATE\n"
" ORIGINALDATE GENRE COMMENT TITLESORT ALBUMSORT ARTISTSORT\n"
" ALBUMARTISTSORT COMPOSER LYRICIST CONDUCTOR REMIXER PERFORMER ISRC ASIN\n"
" BPM COPYRIGHT ENCODEDBY MOOD COMMENT MEDIA LABEL CATALOGNUMBER BARCODE\n"
"\n"
"TAGVAL\n"
" TAGVAL has to be either a single string or a list of strings separated\n"
" by equal signs (=). If a list is given, multiple tags of type TAGNAME\n"
" will be created and set to the respective values given by the list.\n"
" Note that equal signs have to be escaped with a leading backslash (\\=),\n"
" if they shall not be interpreted as list separators.\n"
"\n"
"EXAMPLES\n"
" usetaglib file.ogg\n"
" usetaglib -e ALBUM file.flac\n"
" usetaglib -r \"ALBUM=New Album\" -i ARTIST=Horst=Hubert file.mp3\n"
" usetaglib -r ARTIST=Horst -l file1.ogg file2.mp3\n"
" usetaglib -i \"ALBUMARTIST=Horst und Hubert\" file.ogg\n"
" usetaglib --insert=\"ALBUMARTIST=Horst und Hubert\" file.ogg\n"
" usetaglib --replace='ARTIST=This Band \\= Great' file.ogg\n";
}
int main(int argc, char *argv[])
{
int c;
actionqueue requestedActions;
while (1)
{
static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"longhelp", no_argument, 0, 'H'},
{"list", no_argument, 0, 'l'},
{"audio", no_argument, 0, 'a'},
{"insert", required_argument, 0, 'i'},
{"erase", required_argument, 0, 'e'},
{"replace", required_argument, 0, 'r'},
{0, 0, 0, 0}
};
int option_index = 0;
c = getopt_long (argc, argv, "hHlai:e:r:",
long_options, &option_index);
if (c == -1)
break;
switch (c)
{
case 0:
if (long_options[option_index].flag != 0)
break;
case 'h':
printHelp();
return 0;
break;
case 'H':
printHelp();
printExtraHelp();
return 0;
break;
case 'l':
requestedActions.push_back( make_pair(LIST, "") );
break;
case 'a':
requestedActions.push_back( make_pair(AUDIO, "") );
break;
case 'i':
requestedActions.push_back( make_pair(INSERT, optarg) );
break;
case 'e':
requestedActions.push_back( make_pair(ERASE, optarg) );
break;
case 'r':
requestedActions.push_back( make_pair(REPLACE, optarg) );
break;
case '?':
break;
default:
abort ();
}
}
if ( optind == argc ) {
printHelp();
return 0;
}
if (requestedActions.size() == 0)
requestedActions.push_back( make_pair(LIST, "") );
for(int i = optind; i < argc; i++) {
cout << " _________________________________________ _ _ _" << endl;
cout << "/" << endl;
cout << " " << argv[i] << endl;
cout << "\\_________________________________________ _ _ _" << endl;
TagLib::FileRef f(argv[i]);
if(f.isNull())
continue;
TagLib::PropertyMap propmap = f.file()->properties();
bool FCHANGED = false;
for (actionqueue::iterator actit = requestedActions.begin(); actit != requestedActions.end(); ++actit) {
switch (actit->first) {
case LIST:
action_printTags(f, propmap);
break;
case AUDIO:
action_printAudio(f);
break;
case ERASE:
action_eraseTag(propmap, actit->second);
FCHANGED = true;
break;
case REPLACE:
action_replaceTag(propmap, toKeyAndValues(actit->second));
FCHANGED = true;
break;
case INSERT:
action_insertTag(propmap, toKeyAndValues(actit->second));
FCHANGED = true;
break;
}
}
if (FCHANGED) {
f.file()->setProperties(propmap);
f.file()->save();
}
}
return 0;
}