#include "ppf.h"
#ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#include <process.h>
-#include <windows.h>
#define strcasecmp _stricmp
-#define usleep(x) Sleep((x) / 1000)
#else
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#if P_HAVE_PTHREAD
#include <pthread.h>
#include <sys/time.h>
-#include <unistd.h>
+#endif
#endif
#include <errno.h>
#include <zlib.h>
static boolean subChanMixed = FALSE;
static boolean subChanRaw = FALSE;
-static boolean subChanMissing = FALSE;
static boolean multifile = FALSE;
static unsigned char cdbuffer[CD_FRAMESIZE_RAW];
static unsigned char subbuffer[SUB_FRAMESIZE];
-static boolean playing = FALSE;
static boolean cddaBigEndian = FALSE;
/* 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
* XXX: there could be multiple pregaps but PSX dumps only have one? */
static unsigned int pregapOffset;
-static unsigned int cddaCurPos;
-
// compressed image stuff
static struct {
unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
#ifdef HAVE_CHD
static struct {
- unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE];
+ unsigned char *buffer;
chd_file* chd;
const chd_header* header;
unsigned int sectors_per_hunk;
- unsigned int current_hunk;
+ unsigned int current_hunk[2];
+ unsigned int current_buffer;
unsigned int sector_in_hunk;
} *chd_img;
+#else
+#define chd_img 0
#endif
-int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector);
+static int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector);
+static int (*cdimg_read_sub_func)(FILE *f, int sector);
char* CALLBACK CDR__getDriveLetter(void);
long CALLBACK CDR__configure(void);
long CALLBACK CDR__test(void);
void CALLBACK CDR__about(void);
long CALLBACK CDR__setfilename(char *filename);
-long CALLBACK CDR__getStatus(struct CdrStat *stat);
+long CALLBACK CDR__prefetch(u8 m, u8 s, u8 f);
static void DecodeRawSubData(void);
char start[3]; // MSF-format
char length[3]; // MSF-format
FILE *handle; // for multi-track images CDDA
- unsigned int start_offset; // byte offset from start of above file
+ unsigned int start_offset; // byte offset from start of above file (chd: sector offset)
};
#define MAXTRACKS 100 /* How many tracks can a CD hold? */
}
}
+static off_t get_size(FILE *f)
+{
+ off_t old, size;
+#if !defined(USE_LIBRETRO_VFS)
+ struct stat st;
+ if (fstat(fileno(f), &st) == 0)
+ return st.st_size;
+#endif
+ old = ftello(f);
+ fseeko(f, 0, SEEK_END);
+ size = ftello(f);
+ fseeko(f, old, SEEK_SET);
+ return size;
+}
+
// this function tries to get the .toc file of the given .bin
// the necessary data is put into the ti (trackinformation)-array
static int parsetoc(const char *isofile) {
// check if it's really a TOC named as a .cue
if (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
token = strtok(linebuf, " ");
- if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) {
+ if (token && strncmp(token, "CD", 2) != 0) {
+ // && strcmp(token, "CATALOG") != 0) - valid for a real .cue
fclose(fi);
return -1;
}
char filepath[MAXPATHLEN];
char *incue_fname;
FILE *fi;
+ FILE *ftmp = NULL;
char *token;
char time[20];
char *tmp;
// copy name of the iso and change extension from .bin to .cue
strncpy(cuename, isofile, sizeof(cuename));
cuename[MAXPATHLEN - 1] = '\0';
- if (strlen(cuename) >= 4) {
+ if (strlen(cuename) < 4)
+ return -1;
+ if (strcasecmp(cuename + strlen(cuename) - 4, ".cue") == 0) {
+ // it's already open as cdHandle
+ fi = cdHandle;
+ }
+ else {
// If 'isofile' is a '.cd<X>' file, use it as a .cue file
// and don't try to search the additional .cue file
if (strncasecmp(cuename + strlen(cuename) - 4, ".cd", 3) != 0 )
- strcpy(cuename + strlen(cuename) - 4, ".cue");
- }
- else {
- return -1;
- }
+ strcpy(cuename + strlen(cuename) - 4, ".cue");
- if ((fi = fopen(cuename, "r")) == NULL) {
- return -1;
+ if ((ftmp = fopen(cuename, "r")) == NULL)
+ return -1;
+ fi = ftmp;
}
// Some stupid tutorials wrongly tell users to use cdrdao to rip a
if (!strncmp(linebuf, "CD_ROM_XA", 9)) {
// Don't proceed further, as this is actually a .toc file rather
// than a .cue file.
- fclose(fi);
+ if (ftmp)
+ fclose(ftmp);
return parsetoc(isofile);
}
- fseek(fi, 0, SEEK_SET);
+ rewind(fi);
}
// build a path for files referenced in .cue
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 ||
- strncasecmp(isofile + strlen(isofile) - 4, ".cd", 3) == 0)) {
- // user selected .cue/.cdX as image file, use it's data track instead
- fclose(cdHandle);
- cdHandle = fopen(filepath, "rb");
- }
+ file_len = get_size(ti[numtracks + 1].handle) / 2352;
}
}
- fclose(fi);
+ if (ftmp)
+ fclose(ftmp);
// if there are no tracks detected, then it's not a cue file
if (!numtracks)
return -1;
+ // the data track handle is always in cdHandle
+ if (ti[1].handle) {
+ fclose(cdHandle);
+ cdHandle = ti[1].handle;
+ ti[1].handle = NULL;
+ }
return 0;
}
// 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;
+ t = get_size(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75;
sec2msf(t, ti[numtracks].length);
}
if (strlen(isofile) >= 4)
ext = isofile + strlen(isofile) - 4;
- if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0))
+ if (ext == NULL || strcasecmp(ext, ".pbp") != 0)
return -1;
- fseeko(cdHandle, 0, SEEK_SET);
-
numtracks = 0;
ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle);
goto done;
fail_io:
-#ifndef NDEBUG
SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
-#endif
+ rewind(cdHandle);
done:
if (compr_img != NULL) {
if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0))
return -1;
- fseek(cdHandle, 0, SEEK_SET);
-
ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle);
if (ret != sizeof(ciso_hdr)) {
SysPrintf("failed to read ciso header\n");
- return -1;
+ goto fail_io;
}
if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) {
SysPrintf("bad ciso header\n");
- return -1;
+ goto fail_io;
}
if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) {
ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET);
if (ret != 0) {
SysPrintf("failed to seek to %x\n", ciso_hdr.header_size);
- return -1;
+ goto fail_io;
}
}
free(compr_img);
compr_img = NULL;
}
+ rewind(cdHandle);
return -1;
}
chd_img->header = chd_get_header(chd_img->chd);
- chd_img->buffer = malloc(chd_img->header->hunkbytes);
+ chd_img->buffer = malloc(chd_img->header->hunkbytes * 2);
if (chd_img->buffer == NULL)
goto fail_io;
chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE);
- chd_img->current_hunk = (unsigned int)-1;
+ chd_img->current_hunk[0] = (unsigned int)-1;
+ chd_img->current_hunk[1] = (unsigned int)-1;
cddaBigEndian = TRUE;
return -1;
}
- fseek(cdHandle, 0, SEEK_END);
- s = ftell(cdHandle) / 2352;
+ s = msf2sec(ti[1].length);
return LoadSBI(sbiname, s);
}
static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector)
{
- fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET);
- return fread(dest, 1, CD_FRAMESIZE_RAW, f);
+ int ret;
+ if (!f)
+ return -1;
+ if (fseeko(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET))
+ goto fail_io;
+ ret = fread(dest, 1, CD_FRAMESIZE_RAW, f);
+ if (ret <= 0)
+ goto fail_io;
+ return ret;
+
+fail_io:
+ // often happens in cdda gaps of a split cue/bin, so not logged
+ //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector);
+ return -1;
}
static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector)
{
int ret;
- fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET);
+ if (!f)
+ return -1;
+ if (fseeko(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET))
+ goto fail_io;
ret = fread(dest, 1, CD_FRAMESIZE_RAW, f);
+ if (ret <= 0)
+ goto fail_io;
+ return ret;
+
+fail_io:
+ //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector);
+ return -1;
+}
+
+static int cdread_sub_sub_mixed(FILE *f, int sector)
+{
+ if (!f)
+ return -1;
+ if (fseeko(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + CD_FRAMESIZE_RAW, SEEK_SET))
+ goto fail_io;
if (fread(subbuffer, 1, SUB_FRAMESIZE, f) != SUB_FRAMESIZE)
goto fail_io;
- if (subChanRaw) DecodeRawSubData();
- goto done;
+ return SUB_FRAMESIZE;
fail_io:
-#ifndef NDEBUG
- SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
-#endif
-
-done:
- return ret;
+ SysPrintf("subchannel: file IO error %d, sector %u\n", errno, sector);
+ return -1;
}
static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size)
off_t start_byte;
int ret, block;
+ if (!cdHandle)
+ return -1;
if (base)
sector += base / 2352;
}
#ifdef HAVE_CHD
+static unsigned char *chd_get_sector(unsigned int current_buffer, unsigned int sector_in_hunk)
+{
+ return chd_img->buffer
+ + current_buffer * chd_img->header->hunkbytes
+ + sector_in_hunk * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE);
+}
+
static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector)
{
int hunk;
- if (base)
- sector += base;
+ sector += base;
hunk = sector / chd_img->sectors_per_hunk;
chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk;
- if (hunk != chd_img->current_hunk)
+ if (hunk == chd_img->current_hunk[0])
+ chd_img->current_buffer = 0;
+ else if (hunk == chd_img->current_hunk[1])
+ chd_img->current_buffer = 1;
+ else
{
- chd_read(chd_img->chd, hunk, chd_img->buffer);
- chd_img->current_hunk = hunk;
+ chd_read(chd_img->chd, hunk, chd_img->buffer +
+ chd_img->current_buffer * chd_img->header->hunkbytes);
+ chd_img->current_hunk[chd_img->current_buffer] = hunk;
}
if (dest != cdbuffer) // copy avoid HACK
- memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk],
+ memcpy(dest, chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk),
CD_FRAMESIZE_RAW);
- if (subChanMixed) {
- memcpy(subbuffer, chd_img->buffer[chd_img->sector_in_hunk] + CD_FRAMESIZE_RAW,
- SUB_FRAMESIZE);
- if (subChanRaw)
- DecodeRawSubData();
- }
return CD_FRAMESIZE_RAW;
}
+
+static int cdread_sub_chd(FILE *f, int sector)
+{
+ unsigned int sector_in_hunk;
+ unsigned int buffer;
+ int hunk;
+
+ if (!subChanMixed)
+ return -1;
+
+ hunk = sector / chd_img->sectors_per_hunk;
+ sector_in_hunk = sector % chd_img->sectors_per_hunk;
+
+ if (hunk == chd_img->current_hunk[0])
+ buffer = 0;
+ else if (hunk == chd_img->current_hunk[1])
+ buffer = 1;
+ else
+ {
+ buffer = chd_img->current_buffer ^ 1;
+ chd_read(chd_img->chd, hunk, chd_img->buffer +
+ buffer * chd_img->header->hunkbytes);
+ chd_img->current_hunk[buffer] = hunk;
+ }
+
+ memcpy(subbuffer, chd_get_sector(buffer, sector_in_hunk) + CD_FRAMESIZE_RAW, SUB_FRAMESIZE);
+ return SUB_FRAMESIZE;
+}
#endif
static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector)
{
int ret;
- fseek(f, base + sector * 2048, SEEK_SET);
+ if (!f)
+ return -1;
+ fseeko(f, base + sector * 2048, SEEK_SET);
ret = fread((char *)dest + 12 * 2, 1, 2048, f);
// not really necessary, fake mode 2 header
sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]);
cdbuffer[12 + 3] = 1;
- return ret;
+ return 12*2 + ret;
}
static unsigned char * CALLBACK ISOgetBuffer_compr(void) {
#ifdef HAVE_CHD
static unsigned char * CALLBACK ISOgetBuffer_chd(void) {
- return chd_img->buffer[chd_img->sector_in_hunk] + 12;
+ return chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12;
}
#endif
-static unsigned char * CALLBACK ISOgetBuffer(void) {
+unsigned char * CALLBACK ISOgetBuffer(void) {
return cdbuffer + 12;
}
for (i = 1; i <= numtracks; i++) {
SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"),
- i, (ti[i].type == DATA ? "DATA" : "AUDIO"),
+ i, (ti[i].type == DATA ? "DATA" :
+ (ti[i].type == CDDA ? "AUDIO" : "UNKNOWN")),
ti[i].start[0], ti[i].start[1], ti[i].start[2],
ti[i].length[0], ti[i].length[1], ti[i].length[2]);
}
char alt_bin_filename[MAXPATHLEN];
const char *bin_filename;
char image_str[1024];
- int is_chd = 0;
+ off_t size_main;
- if (cdHandle != NULL) {
+ if (cdHandle || chd_img) {
return 0; // it's already open
}
GetIsoFile(), strerror(errno));
return -1;
}
+ size_main = get_size(cdHandle);
snprintf(image_str, sizeof(image_str) - 6*4 - 1,
"Loaded CD Image: %s", GetIsoFile());
CDR_getBuffer = ISOgetBuffer;
cdimg_read_func = cdread_normal;
+ cdimg_read_sub_func = NULL;
if (parsetoc(GetIsoFile()) == 0) {
strcat(image_str, "[+toc]");
strcat(image_str, "[+chd]");
CDR_getBuffer = ISOgetBuffer_chd;
cdimg_read_func = cdread_chd;
- is_chd = 1;
+ cdimg_read_sub_func = cdread_sub_chd;
+ fclose(cdHandle);
+ cdHandle = NULL;
}
#endif
strcat(image_str, "[+sbi]");
}
- fseeko(cdHandle, 0, SEEK_END);
-
// maybe user selected metadata file instead of main .bin ..
bin_filename = GetIsoFile();
- if (ftello(cdHandle) < 2352 * 0x10) {
+ if (cdHandle && size_main < 2352 * 0x10) {
static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" };
FILE *tmpf = NULL;
size_t i;
bin_filename = alt_bin_filename;
fclose(cdHandle);
cdHandle = tmpf;
- fseeko(cdHandle, 0, SEEK_END);
+ size_main = get_size(cdHandle);
}
}
// guess whether it is mode1/2048
- if (ftello(cdHandle) % 2048 == 0) {
+ if (cdHandle && cdimg_read_func == cdread_normal && size_main % 2048 == 0) {
unsigned int modeTest = 0;
- fseek(cdHandle, 0, SEEK_SET);
if (!fread(&modeTest, sizeof(modeTest), 1, cdHandle)) {
-#ifndef NDEBUG
SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
-#endif
- return -1;
}
if (SWAP32(modeTest) != 0xffffff00) {
strcat(image_str, "[2048]");
isMode1ISO = TRUE;
}
}
- fseek(cdHandle, 0, SEEK_SET);
SysPrintf("%s.\n", image_str);
PrintTracks();
- if (subChanMixed && !is_chd)
+ if (subChanMixed && cdimg_read_func == cdread_normal) {
cdimg_read_func = cdread_sub_mixed;
- else if (isMode1ISO)
+ cdimg_read_sub_func = cdread_sub_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(bin_filename, "rb");
+ cdimg_read_sub_func = NULL;
}
return 0;
fclose(subHandle);
subHandle = NULL;
}
- playing = FALSE;
cddaHandle = NULL;
if (compr_img != NULL) {
int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2]));
long ret;
- if (cdHandle == NULL) {
+ if (!cdHandle && !chd_img)
return 0;
- }
- if (pregapOffset) {
- subChanMissing = FALSE;
- if (sector >= pregapOffset) {
- sector -= 2 * 75;
- if (sector < pregapOffset)
- subChanMissing = TRUE;
- }
- }
+ if (pregapOffset && sector >= pregapOffset)
+ sector -= 2 * 75;
ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector);
- if (ret < 0)
+ if (ret < 12*2 + 2048)
return 0;
- if (subHandle != NULL) {
- fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);
- if (fread(subbuffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE)
- /* Faulty subchannel data shouldn't cause a read failure */
- return 1;
-
- if (subChanRaw) DecodeRawSubData();
- }
-
return 1;
}
// sector: byte 0 - minute; byte 1 - second; byte 2 - frame
// does NOT uses bcd format
static long CALLBACK ISOplay(unsigned char *time) {
- playing = TRUE;
return 0;
}
// stops cdda audio
static long CALLBACK ISOstop(void) {
- playing = FALSE;
return 0;
}
// gets subchannel data
-static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if ((subHandle != NULL || subChanMixed) && !subChanMissing) {
- return subbuffer;
+static unsigned char* CALLBACK ISOgetBufferSub(int sector) {
+ if (pregapOffset && sector >= pregapOffset) {
+ sector -= 2 * 75;
+ if (sector < pregapOffset) // ?
+ return NULL;
+ }
+
+ if (cdimg_read_sub_func != NULL) {
+ if (cdimg_read_sub_func(cdHandle, sector) != SUB_FRAMESIZE)
+ return NULL;
+ }
+ else if (subHandle != NULL) {
+ if (fseeko(subHandle, sector * SUB_FRAMESIZE, SEEK_SET))
+ return NULL;
+ if (fread(subbuffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE)
+ return NULL;
+ }
+ else {
+ return NULL;
}
- return NULL;
+ if (subChanRaw) DecodeRawSubData();
+ return subbuffer;
}
static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- u32 sect;
-
CDR__getStatus(stat);
- if (playing) {
- stat->Type = 0x02;
- stat->Status |= 0x80;
- }
- else {
- // BIOS - boot ID (CD type)
- stat->Type = ti[1].type;
- }
-
- // relative -> absolute time
- sect = cddaCurPos;
- sec2msf(sect, (char *)stat->Time);
+ // BIOS - boot ID (CD type)
+ stat->Type = ti[1].type;
return 0;
}
// read CDDA sector into buffer
long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) {
unsigned char msf[3] = {m, s, f};
- unsigned int file, track, track_start = 0;
+ unsigned int track, track_start = 0;
+ FILE *handle = cdHandle;
+ unsigned int cddaCurPos;
int ret;
cddaCurPos = msf2sec((char *)msf);
return 0;
}
- file = 1;
if (multifile) {
// find the file that contains this track
- for (file = track; file > 1; file--)
- if (ti[file].handle != NULL)
+ unsigned int file;
+ for (file = track; file > 1; file--) {
+ if (ti[file].handle != NULL) {
+ handle = ti[file].handle;
break;
+ }
+ }
+ }
+ if (!handle && !chd_img) {
+ memset(buffer, 0, CD_FRAMESIZE_RAW);
+ return -1;
}
- ret = cdimg_read_func(ti[file].handle, ti[track].start_offset,
+ ret = cdimg_read_func(handle, ti[track].start_offset,
buffer, cddaCurPos - track_start);
if (ret != CD_FRAMESIZE_RAW) {
memset(buffer, 0, CD_FRAMESIZE_RAW);
CDR_test = CDR__test;
CDR_about = CDR__about;
CDR_setfilename = CDR__setfilename;
+ CDR_prefetch = CDR__prefetch;
numtracks = 0;
}
int cdrIsoActive(void) {
- return (cdHandle != NULL);
+ return (cdHandle || chd_img);
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff