#include "plugins.h"
#include "cdrom.h"
#include "cdriso.h"
+#include "ppf.h"
#ifdef _WIN32
#include <process.h>
#include <pthread.h>
#include <sys/time.h>
#endif
+#include <zlib.h>
+
+unsigned int cdrIsoMultidiskCount;
+unsigned int cdrIsoMultidiskSelect;
static FILE *cdHandle = NULL;
static FILE *cddaHandle = NULL;
static boolean subChanMixed = FALSE;
static boolean subChanRaw = FALSE;
+static boolean subChanMissing = FALSE;
static unsigned char cdbuffer[DATA_SIZE];
static unsigned char subbuffer[SUB_FRAMESIZE];
static pthread_t threadid;
#endif
static unsigned int initial_offset = 0;
-static volatile boolean playing = FALSE;
+static boolean playing = FALSE;
static boolean cddaBigEndian = FALSE;
-static volatile unsigned int cddaCurOffset = 0;
+// offsets of cddaHandle file
+static unsigned int cdda_cur_sector;
+static unsigned int cdda_first_sector;
+// toc_sector - file_sector
+static unsigned int cdda_toc_delta;
+/* Frame offset into CD image where pregap data would be found if it was there.
+ * If a game seeks there we must *not* return subchannel data since it's
+ * not in the CD image, so that cdrom code can fake subchannel data instead.
+ * XXX: there could be multiple pregaps but PSX dumps only have one? */
+static unsigned int pregapOffset;
+
+// compressed image stuff
+static struct {
+ unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
+ unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100];
+ unsigned int *index_table;
+ unsigned int index_len;
+ unsigned int block_shift;
+ unsigned int current_block;
+ unsigned int sector_in_blk;
+} *compr_img;
+
+int (*cdimg_read_func)(FILE *f, void *dest, int sector, int offset);
char* CALLBACK CDR__getDriveLetter(void);
long CALLBACK CDR__configure(void);
long CALLBACK CDR__setfilename(char *filename);
long CALLBACK CDR__getStatus(struct CdrStat *stat);
+static void DecodeRawSubData(void);
+
extern void *hCDRDriver;
struct trackinfo {
enum {DATA, CDDA} type;
char start[3]; // MSF-format
char length[3]; // MSF-format
+ FILE *handle; // for multi-track images CDDA
+ int start_offset; // sector offset from start of above file
};
#define MAXTRACKS 100 /* How many tracks can a CD hold? */
static void *playthread(void *param)
#endif
{
- long d, t, i, s;
+ long osleep, d, t, i, s;
unsigned char tmp;
+ int ret = 0;
t = GetTickCount();
while (playing) {
- d = t - (long)GetTickCount();
- if (d <= 0) {
- d = 1;
- }
- else if (d > CDDA_FRAMETIME) {
- d = CDDA_FRAMETIME;
- }
-#ifdef _WIN32
- Sleep(d);
-#else
- usleep(d * 1000);
-#endif
+ s = 0;
+ for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) {
+ d = cdimg_read_func(cddaHandle, sndbuffer + s, cdda_cur_sector, 0);
+ if (d < CD_FRAMESIZE_RAW)
+ break;
- t = GetTickCount() + CDDA_FRAMETIME;
+ if (cdda_cur_sector < cdda_first_sector)
+ memset(sndbuffer + s, 0, CD_FRAMESIZE_RAW);
- if (subChanMixed) {
- s = 0;
-
- for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) {
- // read one sector
- d = fread(sndbuffer + CD_FRAMESIZE_RAW * i, 1, CD_FRAMESIZE_RAW, cddaHandle);
- if (d < CD_FRAMESIZE_RAW) {
- break;
- }
-
- s += d;
-
- // skip the subchannel data
- fseek(cddaHandle, SUB_FRAMESIZE, SEEK_CUR);
- }
- }
- else {
- s = fread(sndbuffer, 1, sizeof(sndbuffer), cddaHandle);
+ s += d;
+ cdda_cur_sector++;
}
if (s == 0) {
playing = FALSE;
- fclose(cddaHandle);
- cddaHandle = NULL;
initial_offset = 0;
break;
}
}
}
- SPU_playCDDAchannel((short *)sndbuffer, s);
+ do {
+ ret = SPU_playCDDAchannel((short *)sndbuffer, s);
+ if (ret == 0x7761)
+ usleep(6 * 1000);
+ } while (ret == 0x7761 && playing); // rearmed_wait
+ }
+
+ if (ret != 0x676f) { // !rearmed_go
+ // do approx sleep
+ long now;
+
+ // HACK: stop feeding data while emu is paused
+ extern int stop;
+ while (stop && playing)
+ usleep(10000);
+
+ now = GetTickCount();
+ osleep = t - now;
+ if (osleep <= 0) {
+ osleep = 1;
+ t = now;
+ }
+ else if (osleep > CDDA_FRAMETIME) {
+ osleep = CDDA_FRAMETIME;
+ t = now;
+ }
+
+ usleep(osleep * 1000);
+ t += CDDA_FRAMETIME;
}
- cddaCurOffset += s;
}
#ifdef _WIN32
#else
pthread_join(threadid, NULL);
#endif
-
- if (cddaHandle != NULL) {
- fclose(cddaHandle);
- cddaHandle = NULL;
- }
-
- initial_offset = 0;
}
// start the CDDA playback
-static void startCDDA(unsigned int offset) {
+static void startCDDA(unsigned int sector) {
if (playing) {
- if (initial_offset == offset) {
- return;
- }
stopCDDA();
}
- cddaHandle = fopen(GetIsoFile(), "rb");
- if (cddaHandle == NULL) {
- return;
- }
-
- initial_offset = offset;
- cddaCurOffset = initial_offset;
- fseek(cddaHandle, initial_offset, SEEK_SET);
-
+ cdda_cur_sector = sector;
playing = TRUE;
#ifdef _WIN32
char linebuf[256], dummy[256], name[256];
char *token;
char time[20], time2[20];
- unsigned int t;
+ unsigned int t, sector_offs;
numtracks = 0;
memset(&ti, 0, sizeof(ti));
cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio
+ sector_offs = 2 * 75;
+
// parse the .toc file
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
// search for tracks
if (ti[numtracks].type == CDDA) {
sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2);
t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
- t += 2 * 75;
+ ti[numtracks].start_offset = t;
+ t += sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2);
tok2msf((char *)&time, (char *)&ti[numtracks].start);
t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
- t += msf2sec(ti[numtracks].start) + 2 * 75;
+ ti[numtracks].start_offset = t;
+ t += msf2sec(ti[numtracks].start) + sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
+ else if (!strcmp(token, "ZERO")) {
+ sscanf(linebuf, "ZERO AUDIO RW_RAW %8s", time);
+ tok2msf((char *)&time, dummy);
+ sector_offs += msf2sec(dummy);
+ if (numtracks > 1) {
+ t = ti[numtracks - 1].start_offset;
+ pregapOffset = t + msf2sec(ti[numtracks - 1].length);
+ }
+ }
}
fclose(fi);
// the necessary data is put into the ti (trackinformation)-array
static int parsecue(const char *isofile) {
char cuename[MAXPATHLEN];
+ char filepath[MAXPATHLEN];
+ char *incue_fname;
FILE *fi;
char *token;
char time[20];
char *tmp;
- char linebuf[256], dummy[256];
- unsigned int t;
+ char linebuf[256], tmpb[256], dummy[256];
+ unsigned int incue_max_len;
+ unsigned int t, file_len, sector_offs;
numtracks = 0;
fseek(fi, 0, SEEK_SET);
}
+ // build a path for files referenced in .cue
+ strncpy(filepath, cuename, sizeof(filepath));
+ tmp = strrchr(filepath, '/') + 1;
+ if (tmp == NULL)
+ tmp = strrchr(filepath, '\\') + 1;
+ if (tmp == NULL)
+ tmp = filepath;
+ *tmp = 0;
+ filepath[sizeof(filepath) - 1] = 0;
+ incue_fname = tmp;
+ incue_max_len = sizeof(filepath) - (tmp - filepath) - 1;
+
memset(&ti, 0, sizeof(ti));
+ file_len = 0;
+ sector_offs = 2 * 75;
+
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
strncpy(dummy, linebuf, sizeof(linebuf));
token = strtok(dummy, " ");
continue;
}
- if (!strcmp(token, "TRACK")){
+ if (!strcmp(token, "TRACK")) {
numtracks++;
if (strstr(linebuf, "AUDIO") != NULL) {
}
}
else if (!strcmp(token, "INDEX")) {
- tmp = strstr(linebuf, "INDEX");
- if (tmp != NULL) {
- tmp += strlen("INDEX") + 3; // 3 - space + numeric index
- while (*tmp == ' ') tmp++;
- if (*tmp != '\n') sscanf(tmp, "%8s", time);
- }
+ sscanf(linebuf, " INDEX %02d %8s", &t, time);
+ tok2msf(time, (char *)&ti[numtracks].start);
- tok2msf((char *)&time, (char *)&ti[numtracks].start);
-
- t = msf2sec(ti[numtracks].start) + 2 * 75;
+ t = msf2sec(ti[numtracks].start);
+ ti[numtracks].start_offset = t;
+ t += sector_offs;
sec2msf(t, ti[numtracks].start);
- // If we've already seen another track, this is its end
- if (numtracks > 1) {
+ // default track length to file length
+ t = file_len - ti[numtracks].start_offset;
+ sec2msf(t, ti[numtracks].length);
+
+ if (numtracks > 1 && ti[numtracks].handle == NULL) {
+ // this track uses the same file as the last,
+ // start of this track is last track's end
t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
sec2msf(t, ti[numtracks - 1].length);
}
+ if (numtracks > 1 && pregapOffset == -1)
+ pregapOffset = ti[numtracks].start_offset;
}
- }
+ else if (!strcmp(token, "PREGAP")) {
+ if (sscanf(linebuf, " PREGAP %8s", time) == 1) {
+ tok2msf(time, dummy);
+ sector_offs += msf2sec(dummy);
+ }
+ pregapOffset = -1; // mark to fill track start_offset
+ }
+ else if (!strcmp(token, "FILE")) {
+ sscanf(linebuf, " FILE \"%[^\"]\"", tmpb);
+
+ // absolute path?
+ ti[numtracks + 1].handle = fopen(tmpb, "rb");
+ if (ti[numtracks + 1].handle == NULL) {
+ // relative to .cue?
+ tmp = strrchr(tmpb, '\\');
+ if (tmp == NULL)
+ tmp = strrchr(tmpb, '/');
+ if (tmp != NULL)
+ tmp++;
+ else
+ tmp = tmpb;
+ strncpy(incue_fname, tmp, incue_max_len);
+ ti[numtracks + 1].handle = fopen(filepath, "rb");
+ }
- fclose(fi);
+ // update global offset if this is not first file in this .cue
+ if (numtracks + 1 > 1)
+ sector_offs += file_len;
- // Fill out the last track's end based on size
- if (numtracks >= 1) {
- fseek(cdHandle, 0, SEEK_END);
- t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75;
- sec2msf(t, ti[numtracks].length);
+ file_len = 0;
+ if (ti[numtracks + 1].handle == NULL) {
+ SysPrintf(_("\ncould not open: %s\n"), filepath);
+ continue;
+ }
+ fseek(ti[numtracks + 1].handle, 0, SEEK_END);
+ file_len = ftell(ti[numtracks + 1].handle) / 2352;
+
+ if (numtracks == 0 && strlen(isofile) >= 4 &&
+ strcmp(isofile + strlen(isofile) - 4, ".cue") == 0)
+ {
+ // user selected .cue as image file, use it's data track instead
+ fclose(cdHandle);
+ cdHandle = fopen(filepath, "rb");
+ }
+ }
}
+ fclose(fi);
+
return 0;
}
else if (!strncmp(linebuf, "INDEX 1=", 8)) {
sscanf(linebuf, "INDEX 1=%d", &t);
sec2msf(t + 2 * 75, ti[numtracks].start);
+ ti[numtracks].start_offset = t;
// If we've already seen another track, this is its end
if (numtracks > 1) {
ti[i].start[1] = fgetc(fi);
ti[i].start[2] = fgetc(fi);
- if (i > 1) {
- l = msf2sec(ti[i].start);
- sec2msf(l - 2 * 75, ti[i].start); // ???
- }
-
- // get the track length
fread(&extra_offset, 1, sizeof(unsigned int), fi);
extra_offset = SWAP32(extra_offset);
- fseek(fi, extra_offset + 4, SEEK_SET);
+ // get track start offset (in .mdf)
+ fseek(fi, offset + 0x28, SEEK_SET);
+ fread(&l, 1, sizeof(unsigned int), fi);
+ l = SWAP32(l);
+ ti[i].start_offset = l / CD_FRAMESIZE_RAW;
+
+ // get pregap
+ fseek(fi, extra_offset, SEEK_SET);
+ fread(&l, 1, sizeof(unsigned int), fi);
+ l = SWAP32(l);
+ if (l != 0 && i > 1)
+ pregapOffset = ti[i].start_offset;
+
+ // get the track length
fread(&l, 1, sizeof(unsigned int), fi);
l = SWAP32(l);
sec2msf(l, ti[i].length);
return 0;
}
+static int handlepbp(const char *isofile) {
+ struct {
+ unsigned int sig;
+ unsigned int dontcare[8];
+ unsigned int psar_offs;
+ } pbp_hdr;
+ struct {
+ unsigned char type;
+ unsigned char pad0;
+ unsigned char track;
+ char index0[3];
+ char pad1;
+ char index1[3];
+ } toc_entry;
+ struct {
+ unsigned int offset;
+ unsigned int size;
+ unsigned int dontcare[6];
+ } index_entry;
+ char psar_sig[11];
+ unsigned int t, cd_length, cdimg_base;
+ unsigned int offsettab[8], psisoimg_offs;
+ const char *ext = NULL;
+ int i, ret;
+
+ if (strlen(isofile) >= 4)
+ ext = isofile + strlen(isofile) - 4;
+ if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0))
+ return -1;
+
+ numtracks = 0;
+
+ ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle);
+ if (ret != sizeof(pbp_hdr)) {
+ fprintf(stderr, "failed to read pbp\n");
+ goto fail_io;
+ }
+
+ ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET);
+ if (ret != 0) {
+ fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs);
+ goto fail_io;
+ }
+
+ psisoimg_offs = pbp_hdr.psar_offs;
+ fread(psar_sig, 1, sizeof(psar_sig), cdHandle);
+ psar_sig[10] = 0;
+ if (strcmp(psar_sig, "PSTITLEIMG") == 0) {
+ // multidisk image?
+ ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET);
+ if (ret != 0) {
+ fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs + 0x200);
+ goto fail_io;
+ }
+
+ if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) {
+ fprintf(stderr, "failed to read offsettab\n");
+ goto fail_io;
+ }
+
+ for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) {
+ if (offsettab[i] == 0)
+ break;
+ }
+ cdrIsoMultidiskCount = i;
+ if (cdrIsoMultidiskCount == 0) {
+ fprintf(stderr, "multidisk eboot has 0 images?\n");
+ goto fail_io;
+ }
+
+ if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount)
+ cdrIsoMultidiskSelect = 0;
+
+ psisoimg_offs += offsettab[cdrIsoMultidiskSelect];
+
+ ret = fseek(cdHandle, psisoimg_offs, SEEK_SET);
+ if (ret != 0) {
+ fprintf(stderr, "failed to seek to %x\n", psisoimg_offs);
+ goto fail_io;
+ }
+
+ fread(psar_sig, 1, sizeof(psar_sig), cdHandle);
+ psar_sig[10] = 0;
+ }
+
+ if (strcmp(psar_sig, "PSISOIMG00") != 0) {
+ fprintf(stderr, "bad psar_sig: %s\n", psar_sig);
+ goto fail_io;
+ }
+
+ // seek to TOC
+ ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
+ if (ret != 0) {
+ fprintf(stderr, "failed to seek to %x\n", psisoimg_offs + 0x800);
+ goto fail_io;
+ }
+
+ // first 3 entries are special
+ fseek(cdHandle, sizeof(toc_entry), SEEK_CUR);
+ fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+ numtracks = btoi(toc_entry.index1[0]);
+
+ fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+ cd_length = btoi(toc_entry.index1[0]) * 60 * 75 +
+ btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]);
+
+ for (i = 1; i <= numtracks; i++) {
+ fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+
+ ti[i].type = (toc_entry.type == 1) ? CDDA : DATA;
+
+ ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 +
+ btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]);
+ ti[i].start[0] = btoi(toc_entry.index1[0]);
+ ti[i].start[1] = btoi(toc_entry.index1[1]);
+ ti[i].start[2] = btoi(toc_entry.index1[2]);
+
+ if (i > 1) {
+ t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start);
+ sec2msf(t, ti[i - 1].length);
+ }
+ }
+ t = cd_length - ti[numtracks].start_offset;
+ sec2msf(t, ti[numtracks].length);
+
+ // seek to ISO index
+ ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
+ if (ret != 0) {
+ fprintf(stderr, "failed to seek to ISO index\n");
+ goto fail_io;
+ }
+
+ compr_img = calloc(1, sizeof(*compr_img));
+ if (compr_img == NULL)
+ goto fail_io;
+
+ compr_img->block_shift = 4;
+ compr_img->current_block = (unsigned int)-1;
+
+ compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry);
+ compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
+ if (compr_img->index_table == NULL)
+ goto fail_io;
+
+ cdimg_base = psisoimg_offs + 0x100000;
+ for (i = 0; i < compr_img->index_len; i++) {
+ ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle);
+ if (ret != sizeof(index_entry)) {
+ fprintf(stderr, "failed to read index_entry #%d\n", i);
+ goto fail_index;
+ }
+
+ if (index_entry.size == 0)
+ break;
+
+ compr_img->index_table[i] = cdimg_base + index_entry.offset;
+ }
+ compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size;
+
+ return 0;
+
+fail_index:
+ free(compr_img->index_table);
+ compr_img->index_table = NULL;
+fail_io:
+ if (compr_img != NULL) {
+ free(compr_img);
+ compr_img = NULL;
+ }
+ return -1;
+}
+
+static int handlecbin(const char *isofile) {
+ struct
+ {
+ char magic[4];
+ unsigned int header_size;
+ unsigned long long total_bytes;
+ unsigned int block_size;
+ unsigned char ver; // 1
+ unsigned char align;
+ unsigned char rsv_06[2];
+ } ciso_hdr;
+ const char *ext = NULL;
+ unsigned int index = 0, plain;
+ int i, ret;
+
+ if (strlen(isofile) >= 5)
+ ext = isofile + strlen(isofile) - 5;
+ if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0))
+ return -1;
+
+ ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle);
+ if (ret != sizeof(ciso_hdr)) {
+ fprintf(stderr, "failed to read ciso header\n");
+ return -1;
+ }
+
+ if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) {
+ fprintf(stderr, "bad ciso header\n");
+ return -1;
+ }
+ if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) {
+ ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET);
+ if (ret != 0) {
+ fprintf(stderr, "failed to seek to %x\n", ciso_hdr.header_size);
+ return -1;
+ }
+ }
+
+ compr_img = calloc(1, sizeof(*compr_img));
+ if (compr_img == NULL)
+ goto fail_io;
+
+ compr_img->block_shift = 0;
+ compr_img->current_block = (unsigned int)-1;
+
+ compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size;
+ compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
+ if (compr_img->index_table == NULL)
+ goto fail_io;
+
+ ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle);
+ if (ret != compr_img->index_len) {
+ fprintf(stderr, "failed to read index table\n");
+ goto fail_index;
+ }
+
+ for (i = 0; i < compr_img->index_len + 1; i++) {
+ index = compr_img->index_table[i];
+ plain = index & 0x80000000;
+ index &= 0x7fffffff;
+ compr_img->index_table[i] = (index << ciso_hdr.align) | plain;
+ }
+ if ((long long)index << ciso_hdr.align >= 0x80000000ll)
+ fprintf(stderr, "warning: ciso img too large, expect problems\n");
+
+ return 0;
+
+fail_index:
+ free(compr_img->index_table);
+ compr_img->index_table = NULL;
+fail_io:
+ if (compr_img != NULL) {
+ free(compr_img);
+ compr_img = NULL;
+ }
+ return -1;
+}
+
// this function tries to get the .sub file of the given .img
static int opensubfile(const char *isoname) {
char subname[MAXPATHLEN];
return 0;
}
-static long CALLBACK ISOinit(void) {
- assert(cdHandle == NULL);
- assert(subHandle == NULL);
+static int opensbifile(const char *isoname) {
+ char sbiname[MAXPATHLEN];
+ int s;
- return 0; // do nothing
+ strncpy(sbiname, isoname, sizeof(sbiname));
+ sbiname[MAXPATHLEN - 1] = '\0';
+ if (strlen(sbiname) >= 4) {
+ strcpy(sbiname + strlen(sbiname) - 4, ".sbi");
+ }
+ else {
+ return -1;
+ }
+
+ fseek(cdHandle, 0, SEEK_END);
+ s = ftell(cdHandle) / 2352;
+
+ return LoadSBI(sbiname, s);
}
-static long CALLBACK ISOshutdown(void) {
- if (cdHandle != NULL) {
- fclose(cdHandle);
- cdHandle = NULL;
+static int cdread_normal(FILE *f, void *dest, int sector, int offset)
+{
+ fseek(f, sector * CD_FRAMESIZE_RAW + offset, SEEK_SET);
+ return fread(dest, 1, CD_FRAMESIZE_RAW - offset, f);
+}
+
+static int cdread_sub_mixed(FILE *f, void *dest, int sector, int offset)
+{
+ int ret;
+
+ fseek(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + offset, SEEK_SET);
+ ret = fread(dest, 1, CD_FRAMESIZE_RAW - offset, f);
+ fread(subbuffer, 1, SUB_FRAMESIZE, f);
+
+ if (subChanRaw) DecodeRawSubData();
+
+ return ret;
+}
+
+static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size)
+{
+ static z_stream z;
+ int ret = 0;
+
+ if (z.zalloc == NULL) {
+ // XXX: one-time leak here..
+ z.next_in = Z_NULL;
+ z.avail_in = 0;
+ z.zalloc = Z_NULL;
+ z.zfree = Z_NULL;
+ z.opaque = Z_NULL;
+ ret = inflateInit2(&z, -15);
}
- if (subHandle != NULL) {
- fclose(subHandle);
- subHandle = NULL;
+ else
+ ret = inflateReset(&z);
+ if (ret != Z_OK)
+ return ret;
+
+ z.next_in = in;
+ z.avail_in = in_size;
+ z.next_out = out;
+ z.avail_out = *out_size;
+
+ ret = inflate(&z, Z_NO_FLUSH);
+ //inflateEnd(&z);
+
+ *out_size -= z.avail_out;
+ return ret == 1 ? 0 : ret;
+}
+
+static int cdread_compressed(FILE *f, void *dest, int sector, int offset)
+{
+ unsigned long cdbuffer_size, cdbuffer_size_expect;
+ unsigned int start_byte, size;
+ int is_compressed;
+ int ret, block;
+
+ block = sector >> compr_img->block_shift;
+ compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1);
+
+ if (block == compr_img->current_block) {
+ //printf("hit sect %d\n", sector);
+ goto finish;
}
- stopCDDA();
- return 0;
+
+ if (sector >= compr_img->index_len * 16) {
+ fprintf(stderr, "sector %d is past img end\n", sector);
+ return -1;
+ }
+
+ start_byte = compr_img->index_table[block] & 0x7fffffff;
+ if (fseek(cdHandle, start_byte, SEEK_SET) != 0) {
+ fprintf(stderr, "seek error for block %d at %x: ",
+ block, start_byte);
+ perror(NULL);
+ return -1;
+ }
+
+ is_compressed = !(compr_img->index_table[block] & 0x80000000);
+ size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte;
+ if (size > sizeof(compr_img->buff_compressed)) {
+ fprintf(stderr, "block %d is too large: %u\n", block, size);
+ return -1;
+ }
+
+ if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0],
+ 1, size, cdHandle) != size) {
+ fprintf(stderr, "read error for block %d at %x: ", block, start_byte);
+ perror(NULL);
+ return -1;
+ }
+
+ if (is_compressed) {
+ cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift;
+ cdbuffer_size = cdbuffer_size_expect;
+ ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size);
+ if (ret != 0) {
+ fprintf(stderr, "uncompress failed with %d for block %d, sector %d\n",
+ ret, block, sector);
+ return -1;
+ }
+ if (cdbuffer_size != cdbuffer_size_expect)
+ fprintf(stderr, "cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size,
+ cdbuffer_size_expect, sector);
+ }
+
+ // done at last!
+ compr_img->current_block = block;
+
+finish:
+ if (dest != cdbuffer) // copy avoid HACK
+ memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk] + offset,
+ CD_FRAMESIZE_RAW - offset);
+ return CD_FRAMESIZE_RAW - offset;
+}
+
+static int cdread_2048(FILE *f, void *dest, int sector, int offset)
+{
+ int ret;
+
+ fseek(f, sector * 2048, SEEK_SET);
+ ret = fread((char *)dest + 12, 1, 2048, f);
+
+ // not really necessary, fake mode 2 header
+ memset(cdbuffer, 0, 12);
+ sec2msf(sector + 2 * 75, (char *)cdbuffer);
+ cdbuffer[3] = 1;
+
+ return ret;
+}
+
+static unsigned char * CALLBACK ISOgetBuffer_compr(void) {
+ return compr_img->buff_raw[compr_img->sector_in_blk] + 12;
+}
+
+static unsigned char * CALLBACK ISOgetBuffer(void) {
+ return cdbuffer;
}
static void PrintTracks(void) {
// This function is invoked by the front-end when opening an ISO
// file for playback
static long CALLBACK ISOopen(void) {
+ boolean isMode1ISO = FALSE;
+
if (cdHandle != NULL) {
return 0; // it's already open
}
cddaBigEndian = FALSE;
subChanMixed = FALSE;
subChanRaw = FALSE;
+ pregapOffset = 0;
+ cdrIsoMultidiskCount = 1;
+
+ CDR_getBuffer = ISOgetBuffer;
+ cdimg_read_func = cdread_normal;
if (parsecue(GetIsoFile()) == 0) {
SysPrintf("[+cue]");
else if (parsemds(GetIsoFile()) == 0) {
SysPrintf("[+mds]");
}
+ if (handlepbp(GetIsoFile()) == 0) {
+ SysPrintf("[pbp]");
+ CDR_getBuffer = ISOgetBuffer_compr;
+ cdimg_read_func = cdread_compressed;
+ }
+ else if (handlecbin(GetIsoFile()) == 0) {
+ SysPrintf("[cbin]");
+ CDR_getBuffer = ISOgetBuffer_compr;
+ cdimg_read_func = cdread_compressed;
+ }
if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
SysPrintf("[+sub]");
}
+ if (opensbifile(GetIsoFile()) == 0) {
+ SysPrintf("[+sbi]");
+ }
+
+ // guess whether it is mode1/2048
+ fseek(cdHandle, 0, SEEK_END);
+ if (ftell(cdHandle) % 2048 == 0) {
+ unsigned int modeTest = 0;
+ fseek(cdHandle, 0, SEEK_SET);
+ fread(&modeTest, 4, 1, cdHandle);
+ if (SWAP32(modeTest) != 0xffffff00) {
+ SysPrintf("[2048]");
+ isMode1ISO = TRUE;
+ }
+ }
+ fseek(cdHandle, 0, SEEK_SET);
SysPrintf(".\n");
PrintTracks();
+ if (subChanMixed)
+ cdimg_read_func = cdread_sub_mixed;
+ else if (isMode1ISO)
+ cdimg_read_func = cdread_2048;
+
+ // make sure we have another handle open for cdda
+ if (numtracks > 1 && ti[1].handle == NULL) {
+ ti[1].handle = fopen(GetIsoFile(), "rb");
+ }
+ cdda_cur_sector = cdda_toc_delta = 0;
+
return 0;
}
static long CALLBACK ISOclose(void) {
+ int i;
+
if (cdHandle != NULL) {
fclose(cdHandle);
cdHandle = NULL;
subHandle = NULL;
}
stopCDDA();
+ cddaHandle = NULL;
+
+ if (compr_img != NULL) {
+ free(compr_img->index_table);
+ free(compr_img);
+ compr_img = NULL;
+ }
+
+ for (i = 1; i <= numtracks; i++) {
+ if (ti[i].handle != NULL) {
+ fclose(ti[i].handle);
+ ti[i].handle = NULL;
+ }
+ }
+ numtracks = 0;
+ UnloadSBI();
+
+ return 0;
+}
+
+static long CALLBACK ISOinit(void) {
+ assert(cdHandle == NULL);
+ assert(subHandle == NULL);
+
+ return 0; // do nothing
+}
+
+static long CALLBACK ISOshutdown(void) {
+ ISOclose();
return 0;
}
// byte 1 - second
// byte 2 - minute
static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
- if (numtracks > 0 && track <= numtracks) {
+ if (track == 0) {
+ // CD length according pcsxr-svn (done a bit different here)
+ unsigned int sect;
+ unsigned char time[3];
+ sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length);
+ sec2msf(sect, (char *)time);
+ buffer[2] = time[0];
+ buffer[1] = time[1];
+ buffer[0] = time[2];
+ }
+ else if (numtracks > 0 && track <= numtracks) {
buffer[2] = ti[track].start[0];
buffer[1] = ti[track].start[1];
buffer[0] = ti[track].start[2];
// time: byte 0 - minute; byte 1 - second; byte 2 - frame
// uses bcd format
static long CALLBACK ISOreadTrack(unsigned char *time) {
+ int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2]));
+
if (cdHandle == NULL) {
return -1;
}
- if (subChanMixed) {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + 12, SEEK_SET);
- fread(cdbuffer, 1, DATA_SIZE, cdHandle);
- fread(subbuffer, 1, SUB_FRAMESIZE, cdHandle);
-
- if (subChanRaw) DecodeRawSubData();
+ if (pregapOffset) {
+ subChanMissing = FALSE;
+ if (sector >= pregapOffset) {
+ sector -= 2 * 75;
+ if (sector < pregapOffset)
+ subChanMissing = TRUE;
+ }
}
- else {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * CD_FRAMESIZE_RAW + 12, SEEK_SET);
- fread(cdbuffer, 1, DATA_SIZE, cdHandle);
- if (subHandle != NULL) {
- fseek(subHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * SUB_FRAMESIZE, SEEK_SET);
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+ cdimg_read_func(cdHandle, cdbuffer, sector, 12);
- if (subChanRaw) DecodeRawSubData();
- }
+ if (subHandle != NULL) {
+ fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);
+ fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+
+ if (subChanRaw) DecodeRawSubData();
}
return 0;
}
-// return readed track
-static unsigned char * CALLBACK ISOgetBuffer(void) {
- return cdbuffer;
-}
-
// plays cdda audio
// sector: byte 0 - minute; byte 1 - second; byte 2 - frame
// does NOT uses bcd format
static long CALLBACK ISOplay(unsigned char *time) {
+ unsigned int i, abs_sect, start_sect = 0;
+ int track_offset, file_sect;
+
if (numtracks <= 1)
return 0;
+ // find the track
+ abs_sect = msf2sec((char *)time);
+ for (i = numtracks; i > 1; i--) {
+ start_sect = msf2sec(ti[i].start);
+ if (start_sect <= abs_sect + 2 * 75)
+ break;
+ }
+
+ track_offset = abs_sect - start_sect;
+ file_sect = ti[i].start_offset + track_offset;
+ if (file_sect < 0)
+ file_sect = 0;
+
+ // find the file that contains this track
+ for (; i > 1; i--)
+ if (ti[i].handle != NULL)
+ break;
+
+ cdda_first_sector = 0;
+ if (i == 1)
+ cdda_first_sector = file_sect - track_offset;
+
+ cdda_toc_delta = abs_sect - file_sect;
+ cddaHandle = ti[i].handle;
+
if (SPU_playCDDAchannel != NULL) {
- if (subChanMixed) {
- startCDDA(MSF2SECT(time[0], time[1], time[2]) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE));
- }
- else {
- startCDDA(MSF2SECT(time[0], time[1], time[2]) * CD_FRAMESIZE_RAW);
- }
+ startCDDA(file_sect);
}
return 0;
}
// gets subchannel data
static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if (subHandle != NULL || subChanMixed) {
+ if ((subHandle != NULL || subChanMixed) && !subChanMissing) {
return subbuffer;
}
if (playing) {
stat->Type = 0x02;
stat->Status |= 0x80;
- sec = cddaCurOffset / CD_FRAMESIZE_RAW;
- sec2msf(sec, (char *)stat->Time);
}
else {
stat->Type = 0x01;
}
+ sec = cdda_cur_sector + cdda_toc_delta;
+ sec2msf(sec, (char *)stat->Time);
+
return 0;
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff