--- /dev/null
+/*
+ * CD image handler
+ * (C) notaz, 2007,2013
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
+
+#include "../pico_int.h"
+#include "genplus_macros.h"
+#include "cdd.h"
+#include "cue.h"
+
+static int handle_mp3(const char *fname, int index)
+{
+ track_t *track = &cdd.toc.tracks[index];
+ FILE *tmp_file;
+ int kBps;
+ int fs, ret;
+
+ tmp_file = fopen(fname, "rb");
+ if (tmp_file == NULL)
+ return -1;
+
+ ret = fseek(tmp_file, 0, SEEK_END);
+ fs = ftell(tmp_file);
+ fseek(tmp_file, 0, SEEK_SET);
+
+#ifdef _PSP_FW_VERSION
+ // some systems (like PSP) can't have many open files at a time,
+ // so we work with their names instead.
+ fclose(tmp_file);
+ tmp_file = (void *) strdup(fname);
+#endif
+
+ kBps = mp3_get_bitrate(tmp_file, fs) / 8;
+ if (ret != 0 || kBps <= 0)
+ {
+ elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, kBps);
+#ifdef _PSP_FW_VERSION
+ free(tmp_file);
+#else
+ fclose(tmp_file);
+#endif
+ return -1;
+ }
+
+ track->fd = tmp_file;
+ track->offset = 0;
+
+ fs *= 75;
+ fs /= kBps * 1000;
+ return fs;
+}
+
+static void to_upper(char *d, const char *s)
+{
+ for (; *s != 0; d++, s++) {
+ if ('a' <= *s && *s <= 'z')
+ *d = *s - 'a' + 'A';
+ else
+ *d = *s;
+ }
+}
+
+// cdd.c uses lba - 150
+static void sprintf_lba(char *buf, size_t size, int lba)
+{
+ lba += 150;
+ snprintf(buf, size, "%02d:%02d:%02d", lba / 60 / 75,
+ (lba / 75) % 60, lba % 75);
+}
+
+int load_cd_image(const char *cd_img_name, int *type)
+{
+ static const char *exts[] = {
+ "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
+ "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
+ };
+ int i, j, n, lba, index, length, ret;
+ int iso_name_len, missed, cd_img_sectors;
+ char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
+ track_t *tracks = cdd.toc.tracks;
+ cue_data_t *cue_data = NULL;
+ pm_file *pmf;
+
+ if (PicoCDLoadProgressCB != NULL)
+ PicoCDLoadProgressCB(cd_img_name, 1);
+
+ Pico_mcd->cdda_type = CT_UNKNOWN;
+
+ /* is this a .cue? */
+ cue_data = cue_parse(cd_img_name);
+ if (cue_data != NULL) {
+ cd_img_name = cue_data->tracks[1].fname;
+ *type = cue_data->tracks[1].type;
+ }
+
+ pmf = pm_open(cd_img_name);
+ if (pmf == NULL)
+ {
+ if (cue_data != NULL)
+ cue_destroy(cue_data);
+ return -1;
+ }
+ tracks[0].fd = pmf;
+
+ if (*type == CT_ISO)
+ cd_img_sectors = pmf->size >>= 11; // size in sectors
+ else cd_img_sectors = pmf->size /= 2352;
+
+ // cdd.c operates with lba - 150
+ tracks[0].start = 0;
+ tracks[0].end = cd_img_sectors;
+ tracks[0].offset = 0;
+
+ sprintf_lba(tmp_ext, sizeof(tmp_ext), 0);
+ elprintf(EL_STATUS, "Track 1: %s %9i DATA %s",
+ tmp_ext, tracks[0].end, cd_img_name);
+
+ lba = cd_img_sectors;
+
+ if (cue_data != NULL)
+ {
+ if (cue_data->tracks[2].fname == NULL) {
+ // NULL fname means track2 is in same file as track1
+ lba = tracks[0].end = cue_data->tracks[2].sector_offset;
+ }
+ i = 100 / cue_data->track_count + 1; // progress display
+
+ for (n = 2; n <= cue_data->track_count; n++)
+ {
+ if (PicoCDLoadProgressCB != NULL)
+ PicoCDLoadProgressCB(cd_img_name, i * n);
+
+ index = n - 1;
+ lba += cue_data->tracks[n].pregap;
+ if (cue_data->tracks[n].type == CT_MP3) {
+ ret = handle_mp3(cue_data->tracks[n].fname, index);
+ if (ret < 0)
+ break;
+ length = ret;
+ }
+ else if (cue_data->tracks[n].fname != NULL)
+ {
+ pm_file *f = pm_open(cue_data->tracks[n].fname);
+ if (f != NULL)
+ {
+ // assume raw, ignore header for wav..
+ tracks[index].fd = f;
+ tracks[index].offset = cue_data->tracks[n].sector_offset;
+ length = f->size / 2352;
+ }
+ else
+ {
+ elprintf(EL_STATUS, "track %2i (%s): can't determine length",
+ n, cue_data->tracks[n].fname);
+ tracks[index].offset = 0;
+ length = 2*75;
+ }
+ }
+ else
+ {
+ if (n < cue_data->track_count)
+ length = cue_data->tracks[n+1].sector_offset -
+ cue_data->tracks[n].sector_offset;
+ else
+ length = cd_img_sectors - cue_data->tracks[n].sector_offset;
+ tracks[index].offset = cue_data->tracks[n].sector_offset;
+ }
+
+ if (cue_data->tracks[n].sector_xlength != 0)
+ // overriden by custom cue command
+ length = cue_data->tracks[n].sector_xlength;
+
+ Pico_mcd->cdda_type = cue_data->tracks[n].type;
+
+ tracks[index].start = lba;
+ lba += length;
+ tracks[index].end = lba;
+
+ sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
+ elprintf(EL_STATUS, "Track %2i: %s %9i AUDIO %s",
+ n, tmp_ext, length, cue_data->tracks[n].fname);
+ }
+ cue_destroy(cue_data);
+ goto finish;
+ }
+
+ /* mp3 track autosearch, Gens-like */
+ iso_name_len = strlen(cd_img_name);
+ if (iso_name_len >= sizeof(tmp_name))
+ iso_name_len = sizeof(tmp_name) - 1;
+
+ for (n = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
+ {
+ if (PicoCDLoadProgressCB != NULL && i > 1)
+ PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);
+
+ for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
+ {
+ int ext_len;
+ char *p;
+
+ index = n - 1;
+
+ snprintf(tmp_ext, sizeof(tmp_ext), exts[j], i);
+ ext_len = strlen(tmp_ext);
+ to_upper(tmp_ext_u, tmp_ext);
+
+ memcpy(tmp_name, cd_img_name, iso_name_len + 1);
+ p = tmp_name + iso_name_len - 4;
+
+ strcpy(p, tmp_ext);
+ ret = handle_mp3(tmp_name, index);
+ if (ret <= 0) {
+ strcpy(p, tmp_ext_u);
+ ret = handle_mp3(tmp_name, index);
+ }
+
+ if (ret <= 0 && i > 1 && iso_name_len > ext_len) {
+ p = tmp_name + iso_name_len - ext_len;
+ strcpy(p, tmp_ext);
+ ret = handle_mp3(tmp_name, index);
+ if (ret <= 0) {
+ strcpy(p, tmp_ext_u);
+ ret = handle_mp3(tmp_name, index);
+ }
+ }
+
+ if (ret > 0)
+ {
+ length = ret;
+ tracks[index].start = lba;
+ lba += length;
+ tracks[index].end = lba;
+
+ Pico_mcd->cdda_type = CT_MP3;
+
+ sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
+ elprintf(EL_STATUS, "Track %2i: %s %9i AUDIO - %s",
+ n, tmp_ext, length, tmp_name);
+
+ n++;
+ missed = 0;
+ break;
+ }
+ }
+ if (ret <= 0 && i > 1)
+ missed++;
+ }
+
+finish:
+ cdd.toc.last = n - 1;
+ cdd.toc.end = lba;
+
+ sprintf_lba(tmp_ext, sizeof(tmp_ext), cdd.toc.end);
+ elprintf(EL_STATUS, "End CD - %s\n", tmp_ext);
+
+ if (PicoCDLoadProgressCB != NULL)
+ PicoCDLoadProgressCB(cd_img_name, 100);
+
+ return 0;
+}
+
+// vim:shiftwidth=2:ts=2:expandtab
notaz.gp2x.de / picodrive.git / blobdiff