5 * This work is licensed under the terms of MAME license.
6 * See COPYING file in the top-level directory.
13 #include "../pico_int.h"
14 // #define elprintf(w,f,...) printf(f "\n",##__VA_ARGS__);
17 #define snprintf _snprintf
20 #define snprintf(b,s,...) sprintf(b,##__VA_ARGS__)
23 static char *mystrip(char *str)
28 for (i = 0; i < len; i++)
29 if (str[i] != ' ') break;
30 if (i > 0) memmove(str, str + i, len - i + 1);
33 for (i = len - 1; i >= 0; i--)
34 if (str[i] != ' ' && str[i] != '\r' && str[i] != '\n') break;
40 static int get_token(const char *buff, char *dest, int len)
46 while (*p && *p == ' ') {
55 while (*p && *p != sep && d < len-1)
59 if (sep == '\"' && *p != sep)
60 elprintf(EL_STATUS, "cue: bad token: \"%s\"", buff);
65 static char *get_ext(char *fname)
67 int len = strlen(fname);
68 return (len >= 3) ? (fname + len - 3) : fname;
72 #define BEGINS(buff,str) (strncmp(buff,str,sizeof(str)-1) == 0)
74 /* note: tracks[0] is not used */
75 cue_data_t *cue_parse(const char *fname)
77 char buff[256], current_file[256], buff2[32], *current_filep;
79 int ret, count = 0, count_alloc = 2, pending_pregap = 0;
83 f = fopen(fname, "r");
84 if (f == NULL) return NULL;
86 snprintf(current_file, sizeof(current_file), "%s", fname);
87 for (current_filep = current_file + strlen(current_file); current_filep > current_file; current_filep--)
88 if (current_filep[-1] == '/' || current_filep[-1] == '\\') break;
90 data = calloc(1, sizeof(*data) + count_alloc * sizeof(cue_track));
98 tmp = fgets(buff, sizeof(buff), f);
99 if (tmp == NULL) break;
102 if (buff[0] == 0) continue;
103 if (BEGINS(buff, "TITLE ") || BEGINS(buff, "PERFORMER ") || BEGINS(buff, "SONGWRITER "))
104 continue; /* who would put those here? Ignore! */
105 else if (BEGINS(buff, "FILE "))
107 get_token(buff+5, current_filep, sizeof(current_file) - (current_filep - current_file));
109 else if (BEGINS(buff, "TRACK "))
112 if (count >= count_alloc) {
114 tmp = realloc(data, sizeof(*data) + count_alloc * sizeof(cue_track));
115 if (tmp == NULL) { count--; break; }
118 memset(&data->tracks[count], 0, sizeof(data->tracks[0]));
119 if (count == 1 || strcmp(data->tracks[1].fname, current_file) != 0)
121 data->tracks[count].fname = strdup(current_file);
122 if (data->tracks[count].fname == NULL) break;
124 tmpf = fopen(current_file, "rb");
126 elprintf(EL_STATUS, "cue: bad/missing file: \"%s\"", current_file);
131 data->tracks[count].pregap = pending_pregap;
134 ret = get_token(buff+6, buff2, sizeof(buff2));
135 if (count != atoi(buff2))
136 elprintf(EL_STATUS, "cue: track index mismatch: track %i is track %i in cue",
139 get_token(buff+6+ret, buff2, sizeof(buff2));
140 if (strcmp(buff2, "MODE1/2352") == 0)
141 data->tracks[count].type = CT_BIN;
142 else if (strcmp(buff2, "MODE1/2048") == 0)
143 data->tracks[count].type = CT_ISO;
144 else if (strcmp(buff2, "AUDIO") == 0)
146 if (data->tracks[count].fname != NULL)
148 // rely on extension, not type in cue..
149 char *ext = get_ext(data->tracks[count].fname);
150 if (strcasecmp(ext, "mp3") == 0)
151 data->tracks[count].type = CT_MP3;
152 else if (strcasecmp(ext, "wav") == 0)
153 data->tracks[count].type = CT_WAV;
155 elprintf(EL_STATUS, "unhandled audio format: \"%s\"",
156 data->tracks[count].fname);
161 // propagate previous
162 data->tracks[count].type = data->tracks[count-1].type;
166 elprintf(EL_STATUS, "unhandled track type: \"%s\"", buff2);
169 else if (BEGINS(buff, "INDEX "))
173 ret = get_token(buff+6, buff2, sizeof(buff2));
174 if (atoi(buff2) == 0) continue;
175 if (atoi(buff2) != 1) {
176 elprintf(EL_STATUS, "cue: don't know how to handle: \"%s\"", buff);
180 get_token(buff+6+ret, buff2, sizeof(buff2));
181 ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
183 elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
186 data->tracks[count].sector_offset = m*60*75 + s*75 + f;
187 // some strange .cues may need this
188 if (data->tracks[count].fname != NULL && strcmp(data->tracks[count].fname, current_file) != 0)
190 free(data->tracks[count].fname);
191 data->tracks[count].fname = strdup(current_file);
193 if (data->tracks[count].fname == NULL && strcmp(data->tracks[1].fname, current_file) != 0)
195 data->tracks[count].fname = strdup(current_file);
198 else if (BEGINS(buff, "PREGAP ") || BEGINS(buff, "POSTGAP "))
201 get_token(buff+7, buff2, sizeof(buff2));
202 ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
204 elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
207 // pregap overrides previous postgap?
208 // by looking at some .cues produced by some programs I've decided that..
209 if (BEGINS(buff, "PREGAP "))
210 data->tracks[count].pregap = m*60*75 + s*75 + f;
212 pending_pregap = m*60*75 + s*75 + f;
214 else if (BEGINS(buff, "REM LENGTH ")) // custom "extension"
217 get_token(buff+11, buff2, sizeof(buff2));
218 ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
219 if (ret != 3) continue;
220 data->tracks[count].sector_xlength = m*60*75 + s*75 + f;
222 else if (BEGINS(buff, "REM"))
226 elprintf(EL_STATUS, "cue: unhandled line: \"%s\"", buff);
230 if (count < 1 || data->tracks[1].fname == NULL) {
232 for (; count > 0; count--)
233 if (data->tracks[count].fname != NULL)
234 free(data->tracks[count].fname);
239 data->track_count = count;
244 void cue_destroy(cue_data_t *data)
248 if (data == NULL) return;
250 for (c = data->track_count; c > 0; c--)
251 if (data->tracks[c].fname != NULL)
252 free(data->tracks[c].fname);
258 int main(int argc, char *argv[])
260 cue_data_t *data = cue_parse(argv[1]);
263 if (data == NULL) return 1;
265 for (c = 1; c <= data->track_count; c++)
266 printf("%2i: %i %9i %02i:%02i:%02i %9i %s\n", c, data->tracks[c].type, data->tracks[c].sector_offset,
267 data->tracks[c].sector_offset / (75*60), data->tracks[c].sector_offset / 75 % 60,
268 data->tracks[c].sector_offset % 75, data->tracks[c].pregap, data->tracks[c].fname);