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/* --------------------------------------------------------------------------
MusicBrainz -- The Internet music metadatabase
Copyright (C) 2013 Johannes Dewender
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
--------------------------------------------------------------------------- */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <discid/discid.h>
#include <musicbrainz5/mb5_c.h>
static void print_medium(Mb5Medium medium)
{
Mb5TrackList track_list;
Mb5Track track;
Mb5Recording recording;
int required_string_length;
char * buffer;
int i;
required_string_length = mb5_medium_get_title(medium, NULL, 0);
buffer = (char *) malloc(required_string_length + 1);
mb5_medium_get_title(medium, buffer, required_string_length + 1);
printf("\tMedia %d", mb5_medium_get_position(medium));
if (strlen(buffer) > 0)
printf("(%s)", buffer);
printf(":\n");
free(buffer);
track_list = mb5_medium_get_tracklist(medium);
for (i = 0; i < mb5_track_list_size(track_list); i++) {
track = mb5_track_list_item(track_list, i);
recording = mb5_track_get_recording(track);
if (recording) {
required_string_length = mb5_recording_get_title(
recording, NULL, 0);
buffer = (char *) malloc(required_string_length +1);
mb5_recording_get_title(recording, buffer,
required_string_length +1);
} else {
required_string_length = mb5_track_get_title(
track, NULL, 0);
buffer = (char *) malloc(required_string_length +1);
mb5_track_get_title(track, buffer,
required_string_length +1);
}
printf("\t\tTrack %2d: %s\n",
mb5_track_get_position(track), buffer);
free(buffer);
}
}
static void print_release(Mb5Release release, char * disc_id)
{
Mb5MediumList medium_list;
Mb5Medium medium;
int required_string_length;
char * buffer;
int must_delete_medium_list = 0;
int i;
/* Try to filter out the only the media we want */
medium_list = mb5_release_media_matching_discid(release, disc_id);
/* this function requires manual deletion */
must_delete_medium_list = 1;
if (mb5_medium_list_size(medium_list) == 0) {
/* We probably received a fuzzy match
* and the DiscID is unknown to MB */
medium_list = mb5_release_get_mediumlist(release);
/* this is deleted together with the Release */
must_delete_medium_list = 0;
fprintf(stderr, "DiscID was not found, ");
fprintf(stderr, "but we received a fuzzy match for the TOC.\n");
}
if (mb5_medium_list_size(medium_list) > 0) {
required_string_length = mb5_release_get_title(release,
NULL, 0);
buffer = (char *) malloc(required_string_length + 1);
mb5_release_get_title(release, buffer,
required_string_length + 1);
printf("\nRelease title: %s\n", buffer);
free(buffer);
for (i = 0; i < mb5_medium_list_size(medium_list); i++) {
medium = mb5_medium_list_item(medium_list, i);
print_medium(medium);
}
}
if (must_delete_medium_list) {
/* We must delete the result of 'media_matching_discid' */
mb5_medium_list_delete(medium_list);
}
}
static void handle_release_list(Mb5ReleaseList release_list, char * disc_id)
{
Mb5Release Release;
int i;
for (i = 0; i < mb5_release_list_size(release_list); i++) {
Release = mb5_release_list_item(release_list, i);
print_release(Release, disc_id);
}
}
int main(int argc, char *argv[])
{
Mb5Query query;
Mb5Metadata metadata;
tQueryResult result_code;
Mb5ReleaseList release_list;
Mb5Disc result_disc; /* libmusicbrainz disc result */
DiscId drive_disc; /* libdiscid disc object */
char * disc_id = ""; /* tha actual disc ID */
int http_code;
char * drive = NULL;
char error_msg[256];
char * params[] = {"toc", "inc"};
char * param_values[2] = {"", "recordings"};
if (argc == 2)
drive = (char *) argv[1];
drive_disc = discid_new();
if (!discid_read_sparse(drive_disc, drive, 0)) {
fprintf(stderr, "Error: %s\n",
discid_get_error_msg(drive_disc));
discid_free(drive_disc);
return 1;
}
disc_id = discid_get_id(drive_disc);
param_values[0] = discid_get_toc_string(drive_disc);
query = mb5_query_new("libdiscid_example-1.0", NULL, 0);
metadata = mb5_query_query(query, "discid", disc_id, "",
2, params, param_values);
/* we are done with the information from the drive */
free(drive_disc);
result_code = mb5_query_get_lastresult(query);
http_code = mb5_query_get_lasthttpcode(query);
mb5_query_get_lasterrormessage(query, error_msg, sizeof error_msg);
if (strlen(error_msg) > 0) {
fprintf(stderr, "ERROR: %s\n", error_msg);
fprintf(stderr, "result: %d\thttp code: %d\n",
result_code, http_code);
return result_code;
}
if (metadata) {
result_disc = mb5_metadata_get_disc(metadata);
if (result_disc) {
/* found by disc ID */
release_list = mb5_disc_get_releaselist(result_disc);
} else {
/* disc ID not found, got a fuzzy match by TOC */
release_list = mb5_metadata_get_releaselist(metadata);
}
handle_release_list(release_list, disc_id);
mb5_metadata_delete(metadata);
}
mb5_query_delete(query);
return 0;
}
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