libnjb 2.2.6
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#include "common.h" #include <string.h> static char *prompt (const char *prompt, char *buffer, size_t bufsz, int required) { char *cp, *bp; while (1) { fprintf(stdout, "%s> ", prompt); if ( fgets(buffer, bufsz, stdin) == NULL ) { if (ferror(stdin)) { perror("fgets"); } else { fprintf(stderr, "EOF on stdin\n"); } return NULL; } cp= strrchr(buffer, '\n'); if ( cp != NULL ) *cp= '\0'; bp= buffer; while ( bp != cp ) { if ( *bp != ' ' && *bp != '\t' ) return bp; bp++; } if (! required) return bp; } } static void usage (void) { fprintf(stderr, "usage: tagtr [ -D debuglvl ] <trackid>\n"); exit(1); } int main(int argc, char **argv) { njb_t njbs[NJB_MAX_DEVICES], *njb; int n, opt, debug, lookup; extern char *optarg; extern int optind; char filename[80], artist[80], title[80], genre[80], codec[80], album[80]; char num[80]; char *pfilename, *partist, *ptitle, *pgenre, *pcodec, *palbum, *pnum; char *endptr; u_int16_t tracknum, length, year; u_int32_t filesize; int trackid; char *lang; njb_songid_t *songid; njb_songid_frame_t *frame; debug = 0; lookup = 0; while ( (opt= getopt(argc, argv, "D:l")) != -1 ) { switch (opt) { case 'l': lookup= 1; case 'D': debug= atoi(optarg); break; default: usage(); } } argc-= optind; argv+= optind; if ( argc != 1 ) usage(); if ( debug ) NJB_Set_Debug(debug); /* * Check environment variables $LANG and $LC_CTYPE * to see if we want to support UTF-8 unicode * $LANG = "xx_XX.UTF-8" or $LC_CTYPE = "?" * trigger unicode support. */ lang = getenv("LANG"); if (lang != NULL) { if (strlen(lang) > 5) { if (!strcmp(&lang[strlen(lang)-5], "UTF-8")) { NJB_Set_Unicode(NJB_UC_UTF8); } } } trackid= strtoul(argv[0], &endptr, 10); if ( endptr[0] != '\0' ) { fprintf(stderr, "invalid id %s\n", argv[1]); return 1; } if ( (pcodec= prompt("CODEC", codec, 80, 0)) == NULL ) return 1; if ( ! strlen(pcodec) ) pcodec= NULL; if ( (ptitle= prompt("Title", title, 80, 0)) == NULL ) return 1; if ( ! strlen(ptitle) ) ptitle= NULL; if ( (palbum= prompt("Album", album, 80, 0)) == NULL ) return 1; if ( ! strlen(palbum) ) palbum= NULL; if ( (partist= prompt("Artist", artist, 80, 0)) == NULL ) return 1; if ( ! strlen(partist) ) partist= NULL; if ( (pgenre= prompt("Genre", genre, 80, 0)) == NULL ) return 1; if ( ! strlen(pgenre) ) pgenre= NULL; if ( (pfilename= prompt("File path", filename, 80, 0)) == NULL ) return 1; if ( ! strlen(pfilename) ) pfilename= NULL; if ( (pnum= prompt("Track number", num, 80, 0)) == NULL ) return 1; if ( strlen(pnum) ) { tracknum = strtoul(pnum, 0, 10); } else { tracknum = 0; } if ( (pnum= prompt("Length", num, 80, 0)) == NULL ) return 1; if ( strlen(pnum) ) { length= strtoul(pnum, 0, 10); } else { length= 0; } if ( (pnum= prompt("Year", num, 80, 0)) == NULL ) return 1; if ( strlen(pnum) ) { year = strtoul(pnum, 0, 10); } else { year = 0; } filesize= 0; if ( ! lookup ) { if ( (pnum= prompt("File size", num, 80, 0)) == NULL ) return 1; if ( strlen(pnum) ) { filesize = strtoul(pnum, 0, 10); } else { filesize = 0; } } if (NJB_Discover(njbs, 0, &n) == -1) { fprintf(stderr, "could not locate any jukeboxes\n"); return 1; } if ( n == 0 ) { fprintf(stderr, "no NJB devices found\n"); return 0; } njb= njbs; if ( NJB_Open(njb) == -1 ) { NJB_Error_Dump(njb,stderr); return 1; } NJB_Capture(njb); songid = NJB_Songid_New(); frame = NJB_Songid_Frame_New_Codec(pcodec); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Filesize(filesize); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Title(ptitle); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Album(palbum); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Artist(partist); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Genre(pgenre); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Year(year); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Tracknum(tracknum); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Length(length); NJB_Songid_Addframe(songid, frame); frame = NJB_Songid_Frame_New_Filename(pfilename); NJB_Songid_Addframe(songid, frame); if ( NJB_Replace_Track_Tag(njb, trackid, songid) == -1 ) { NJB_Error_Dump(njb,stderr); } else { printf("NJB track ID: %u\n", trackid); } printf("\n"); NJB_Songid_Destroy(songid); NJB_Release(njb); return 0; }