cd: fix missed null terminator
[picodrive.git] / pico / cd / cd_image.c
CommitLineData
274fcc35 1/*
2 * CD image handler
3 * (C) notaz, 2007,2013
4 *
5 * This work is licensed under the terms of MAME license.
6 * See COPYING file in the top-level directory.
7 */
8
9#include "../pico_int.h"
10#include "genplus_macros.h"
11#include "cdd.h"
12#include "cue.h"
13
14static int handle_mp3(const char *fname, int index)
15{
16 track_t *track = &cdd.toc.tracks[index];
17 FILE *tmp_file;
18 int kBps;
19 int fs, ret;
20
21 tmp_file = fopen(fname, "rb");
22 if (tmp_file == NULL)
23 return -1;
24
25 ret = fseek(tmp_file, 0, SEEK_END);
26 fs = ftell(tmp_file);
27 fseek(tmp_file, 0, SEEK_SET);
28
29#ifdef _PSP_FW_VERSION
30 // some systems (like PSP) can't have many open files at a time,
31 // so we work with their names instead.
32 fclose(tmp_file);
33 tmp_file = (void *) strdup(fname);
34#endif
35
36 kBps = mp3_get_bitrate(tmp_file, fs) / 8;
37 if (ret != 0 || kBps <= 0)
38 {
39 elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, kBps);
40#ifdef _PSP_FW_VERSION
41 free(tmp_file);
42#else
43 fclose(tmp_file);
44#endif
45 return -1;
46 }
47
48 track->fd = tmp_file;
49 track->offset = 0;
50
51 fs *= 75;
52 fs /= kBps * 1000;
53 return fs;
54}
55
56static void to_upper(char *d, const char *s)
57{
58 for (; *s != 0; d++, s++) {
59 if ('a' <= *s && *s <= 'z')
60 *d = *s - 'a' + 'A';
61 else
62 *d = *s;
63 }
c5c5dd71 64 *d = 0;
274fcc35 65}
66
67// cdd.c uses lba - 150
68static void sprintf_lba(char *buf, size_t size, int lba)
69{
70 lba += 150;
71 snprintf(buf, size, "%02d:%02d:%02d", lba / 60 / 75,
72 (lba / 75) % 60, lba % 75);
73}
74
75int load_cd_image(const char *cd_img_name, int *type)
76{
77 static const char *exts[] = {
78 "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
79 "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
80 };
81 int i, j, n, lba, index, length, ret;
82 int iso_name_len, missed, cd_img_sectors;
83 char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
84 track_t *tracks = cdd.toc.tracks;
85 cue_data_t *cue_data = NULL;
86 pm_file *pmf;
87
88 if (PicoCDLoadProgressCB != NULL)
89 PicoCDLoadProgressCB(cd_img_name, 1);
90
91 Pico_mcd->cdda_type = CT_UNKNOWN;
92
93 /* is this a .cue? */
94 cue_data = cue_parse(cd_img_name);
95 if (cue_data != NULL) {
96 cd_img_name = cue_data->tracks[1].fname;
97 *type = cue_data->tracks[1].type;
98 }
99
100 pmf = pm_open(cd_img_name);
101 if (pmf == NULL)
102 {
103 if (cue_data != NULL)
104 cue_destroy(cue_data);
105 return -1;
106 }
107 tracks[0].fd = pmf;
108
109 if (*type == CT_ISO)
110 cd_img_sectors = pmf->size >>= 11; // size in sectors
111 else cd_img_sectors = pmf->size /= 2352;
112
113 // cdd.c operates with lba - 150
114 tracks[0].start = 0;
115 tracks[0].end = cd_img_sectors;
116 tracks[0].offset = 0;
117
118 sprintf_lba(tmp_ext, sizeof(tmp_ext), 0);
119 elprintf(EL_STATUS, "Track 1: %s %9i DATA %s",
120 tmp_ext, tracks[0].end, cd_img_name);
121
122 lba = cd_img_sectors;
123
124 if (cue_data != NULL)
125 {
126 if (cue_data->tracks[2].fname == NULL) {
127 // NULL fname means track2 is in same file as track1
128 lba = tracks[0].end = cue_data->tracks[2].sector_offset;
129 }
130 i = 100 / cue_data->track_count + 1; // progress display
131
132 for (n = 2; n <= cue_data->track_count; n++)
133 {
134 if (PicoCDLoadProgressCB != NULL)
135 PicoCDLoadProgressCB(cd_img_name, i * n);
136
137 index = n - 1;
138 lba += cue_data->tracks[n].pregap;
139 if (cue_data->tracks[n].type == CT_MP3) {
140 ret = handle_mp3(cue_data->tracks[n].fname, index);
141 if (ret < 0)
142 break;
143 length = ret;
144 }
145 else if (cue_data->tracks[n].fname != NULL)
146 {
147 pm_file *f = pm_open(cue_data->tracks[n].fname);
148 if (f != NULL)
149 {
150 // assume raw, ignore header for wav..
151 tracks[index].fd = f;
152 tracks[index].offset = cue_data->tracks[n].sector_offset;
153 length = f->size / 2352;
154 }
155 else
156 {
157 elprintf(EL_STATUS, "track %2i (%s): can't determine length",
158 n, cue_data->tracks[n].fname);
159 tracks[index].offset = 0;
160 length = 2*75;
161 }
162 }
163 else
164 {
165 if (n < cue_data->track_count)
166 length = cue_data->tracks[n+1].sector_offset -
167 cue_data->tracks[n].sector_offset;
168 else
169 length = cd_img_sectors - cue_data->tracks[n].sector_offset;
170 tracks[index].offset = cue_data->tracks[n].sector_offset;
171 }
172
173 if (cue_data->tracks[n].sector_xlength != 0)
174 // overriden by custom cue command
175 length = cue_data->tracks[n].sector_xlength;
176
177 Pico_mcd->cdda_type = cue_data->tracks[n].type;
178
179 tracks[index].start = lba;
180 lba += length;
181 tracks[index].end = lba;
182
183 sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
184 elprintf(EL_STATUS, "Track %2i: %s %9i AUDIO %s",
185 n, tmp_ext, length, cue_data->tracks[n].fname);
186 }
274fcc35 187 goto finish;
188 }
189
190 /* mp3 track autosearch, Gens-like */
191 iso_name_len = strlen(cd_img_name);
192 if (iso_name_len >= sizeof(tmp_name))
193 iso_name_len = sizeof(tmp_name) - 1;
194
195 for (n = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
196 {
197 if (PicoCDLoadProgressCB != NULL && i > 1)
198 PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);
199
200 for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
201 {
202 int ext_len;
203 char *p;
204
205 index = n - 1;
206
207 snprintf(tmp_ext, sizeof(tmp_ext), exts[j], i);
208 ext_len = strlen(tmp_ext);
209 to_upper(tmp_ext_u, tmp_ext);
210
211 memcpy(tmp_name, cd_img_name, iso_name_len + 1);
212 p = tmp_name + iso_name_len - 4;
213
214 strcpy(p, tmp_ext);
215 ret = handle_mp3(tmp_name, index);
216 if (ret <= 0) {
217 strcpy(p, tmp_ext_u);
218 ret = handle_mp3(tmp_name, index);
219 }
220
221 if (ret <= 0 && i > 1 && iso_name_len > ext_len) {
222 p = tmp_name + iso_name_len - ext_len;
223 strcpy(p, tmp_ext);
224 ret = handle_mp3(tmp_name, index);
225 if (ret <= 0) {
226 strcpy(p, tmp_ext_u);
227 ret = handle_mp3(tmp_name, index);
228 }
229 }
230
231 if (ret > 0)
232 {
233 length = ret;
234 tracks[index].start = lba;
235 lba += length;
236 tracks[index].end = lba;
237
238 Pico_mcd->cdda_type = CT_MP3;
239
240 sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
241 elprintf(EL_STATUS, "Track %2i: %s %9i AUDIO - %s",
242 n, tmp_ext, length, tmp_name);
243
244 n++;
245 missed = 0;
246 break;
247 }
248 }
249 if (ret <= 0 && i > 1)
250 missed++;
251 }
252
253finish:
254 cdd.toc.last = n - 1;
255 cdd.toc.end = lba;
256
257 sprintf_lba(tmp_ext, sizeof(tmp_ext), cdd.toc.end);
258 elprintf(EL_STATUS, "End CD - %s\n", tmp_ext);
259
260 if (PicoCDLoadProgressCB != NULL)
261 PicoCDLoadProgressCB(cd_img_name, 100);
262
9993e0d6 263 if (cue_data != NULL)
264 cue_destroy(cue_data);
265
274fcc35 266 return 0;
267}
268
269// vim:shiftwidth=2:ts=2:expandtab