+++ /dev/null
-/*
- * cuefile handling
- * (C) notaz, 2008
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "cue.h"
-
-#include "../pico_int.h"
-// #define elprintf(w,f,...) printf(f "\n",##__VA_ARGS__);
-
-#ifdef _MSC_VER
-#define snprintf _snprintf
-#endif
-#ifdef __EPOC32__
-#define snprintf(b,s,...) sprintf(b,##__VA_ARGS__)
-#endif
-
-static char *mystrip(char *str)
-{
- int i, len;
-
- len = strlen(str);
- for (i = 0; i < len; i++)
- if (str[i] != ' ') break;
- if (i > 0) memmove(str, str + i, len - i + 1);
-
- len = strlen(str);
- for (i = len - 1; i >= 0; i--)
- if (str[i] != ' ' && str[i] != '\r' && str[i] != '\n') break;
- str[i+1] = 0;
-
- return str;
-}
-
-static int get_token(const char *buff, char *dest, int len)
-{
- const char *p = buff;
- char sep = ' ';
- int d = 0, skip = 0;
-
- while (*p && *p == ' ') {
- skip++;
- p++;
- }
-
- if (*p == '\"') {
- sep = '\"';
- p++;
- }
- while (*p && *p != sep && d < len-1)
- dest[d++] = *p++;
- dest[d] = 0;
-
- if (sep == '\"' && *p != sep)
- elprintf(EL_STATUS, "cue: bad token: \"%s\"", buff);
-
- return d + skip;
-}
-
-static char *get_ext(char *fname)
-{
- int len = strlen(fname);
- return (len >= 3) ? (fname + len - 3) : fname;
-}
-
-
-#define BEGINS(buff,str) (strncmp(buff,str,sizeof(str)-1) == 0)
-
-/* note: tracks[0] is not used */
-cue_data_t *cue_parse(const char *fname)
-{
- char buff[256], current_file[256], buff2[32], *current_filep;
- FILE *f, *tmpf;
- int ret, count = 0, count_alloc = 2, pending_pregap = 0;
- cue_data_t *data;
- void *tmp;
-
- f = fopen(fname, "r");
- if (f == NULL) return NULL;
-
- snprintf(current_file, sizeof(current_file), "%s", fname);
- for (current_filep = current_file + strlen(current_file); current_filep > current_file; current_filep--)
- if (current_filep[-1] == '/' || current_filep[-1] == '\\') break;
-
- data = calloc(1, sizeof(*data) + count_alloc * sizeof(cue_track));
- if (data == NULL) {
- fclose(f);
- return NULL;
- }
-
- while (!feof(f))
- {
- tmp = fgets(buff, sizeof(buff), f);
- if (tmp == NULL) break;
-
- mystrip(buff);
- if (buff[0] == 0) continue;
- if (BEGINS(buff, "TITLE ") || BEGINS(buff, "PERFORMER ") || BEGINS(buff, "SONGWRITER "))
- continue; /* who would put those here? Ignore! */
- else if (BEGINS(buff, "FILE "))
- {
- get_token(buff+5, current_filep, sizeof(current_file) - (current_filep - current_file));
- }
- else if (BEGINS(buff, "TRACK "))
- {
- count++;
- if (count >= count_alloc) {
- count_alloc *= 2;
- tmp = realloc(data, sizeof(*data) + count_alloc * sizeof(cue_track));
- if (tmp == NULL) { count--; break; }
- data = tmp;
- }
- memset(&data->tracks[count], 0, sizeof(data->tracks[0]));
- if (count == 1 || strcmp(data->tracks[1].fname, current_file) != 0)
- {
- data->tracks[count].fname = strdup(current_file);
- if (data->tracks[count].fname == NULL) break;
-
- tmpf = fopen(current_file, "rb");
- if (tmpf == NULL) {
- elprintf(EL_STATUS, "cue: bad/missing file: \"%s\"", current_file);
- count--; break;
- }
- fclose(tmpf);
- }
- data->tracks[count].pregap = pending_pregap;
- pending_pregap = 0;
- // track number
- ret = get_token(buff+6, buff2, sizeof(buff2));
- if (count != atoi(buff2))
- elprintf(EL_STATUS, "cue: track index mismatch: track %i is track %i in cue",
- count, atoi(buff2));
- // check type
- get_token(buff+6+ret, buff2, sizeof(buff2));
- if (strcmp(buff2, "MODE1/2352") == 0)
- data->tracks[count].type = CT_BIN;
- else if (strcmp(buff2, "MODE1/2048") == 0)
- data->tracks[count].type = CT_ISO;
- else if (strcmp(buff2, "AUDIO") == 0)
- {
- if (data->tracks[count].fname != NULL)
- {
- // rely on extension, not type in cue..
- char *ext = get_ext(data->tracks[count].fname);
- if (strcasecmp(ext, "mp3") == 0)
- data->tracks[count].type = CT_MP3;
- else if (strcasecmp(ext, "wav") == 0)
- data->tracks[count].type = CT_WAV;
- else {
- elprintf(EL_STATUS, "unhandled audio format: \"%s\"",
- data->tracks[count].fname);
- }
- }
- else
- {
- // propagate previous
- data->tracks[count].type = data->tracks[count-1].type;
- }
- }
- else {
- elprintf(EL_STATUS, "unhandled track type: \"%s\"", buff2);
- }
- }
- else if (BEGINS(buff, "INDEX "))
- {
- int m, s, f;
- // type
- ret = get_token(buff+6, buff2, sizeof(buff2));
- if (atoi(buff2) == 0) continue;
- if (atoi(buff2) != 1) {
- elprintf(EL_STATUS, "cue: don't know how to handle: \"%s\"", buff);
- count--; break;
- }
- // offset in file
- get_token(buff+6+ret, buff2, sizeof(buff2));
- ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
- if (ret != 3) {
- elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
- count--; break;
- }
- data->tracks[count].sector_offset = m*60*75 + s*75 + f;
- // some strange .cues may need this
- if (data->tracks[count].fname != NULL && strcmp(data->tracks[count].fname, current_file) != 0)
- {
- free(data->tracks[count].fname);
- data->tracks[count].fname = strdup(current_file);
- }
- if (data->tracks[count].fname == NULL && strcmp(data->tracks[1].fname, current_file) != 0)
- {
- data->tracks[count].fname = strdup(current_file);
- }
- }
- else if (BEGINS(buff, "PREGAP ") || BEGINS(buff, "POSTGAP "))
- {
- int m, s, f;
- get_token(buff+7, buff2, sizeof(buff2));
- ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
- if (ret != 3) {
- elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
- continue;
- }
- // pregap overrides previous postgap?
- // by looking at some .cues produced by some programs I've decided that..
- if (BEGINS(buff, "PREGAP "))
- data->tracks[count].pregap = m*60*75 + s*75 + f;
- else
- pending_pregap = m*60*75 + s*75 + f;
- }
- else if (BEGINS(buff, "REM LENGTH ")) // custom "extension"
- {
- int m, s, f;
- get_token(buff+11, buff2, sizeof(buff2));
- ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
- if (ret != 3) continue;
- data->tracks[count].sector_xlength = m*60*75 + s*75 + f;
- }
- else if (BEGINS(buff, "REM"))
- continue;
- else
- {
- elprintf(EL_STATUS, "cue: unhandled line: \"%s\"", buff);
- }
- }
-
- if (count < 1 || data->tracks[1].fname == NULL) {
- // failed..
- for (; count > 0; count--)
- if (data->tracks[count].fname != NULL)
- free(data->tracks[count].fname);
- free(data);
- return NULL;
- }
-
- data->track_count = count;
- return data;
-}
-
-
-void cue_destroy(cue_data_t *data)
-{
- int c;
-
- if (data == NULL) return;
-
- for (c = data->track_count; c > 0; c--)
- if (data->tracks[c].fname != NULL)
- free(data->tracks[c].fname);
- free(data);
-}
-
-
-#if 0
-int main(int argc, char *argv[])
-{
- cue_data_t *data = cue_parse(argv[1]);
- int c;
-
- if (data == NULL) return 1;
-
- for (c = 1; c <= data->track_count; c++)
- printf("%2i: %i %9i %02i:%02i:%02i %9i %s\n", c, data->tracks[c].type, data->tracks[c].sector_offset,
- data->tracks[c].sector_offset / (75*60), data->tracks[c].sector_offset / 75 % 60,
- data->tracks[c].sector_offset % 75, data->tracks[c].pregap, data->tracks[c].fname);
-
- cue_destroy(data);
-
- return 0;
-}
-#endif
-
notaz.gp2x.de / picodrive.git / blobdiff