***************************************************************************/
#include "psxcommon.h"
-#include "plugins.h"
#include "cdrom.h"
#include "cdriso.h"
#include "ppf.h"
+#include <errno.h>
+#include <zlib.h>
+#ifdef HAVE_CHD
+#include <libchdr/chd.h>
+#endif
+
#ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#include <process.h>
-#include <windows.h>
#define strcasecmp _stricmp
-#define usleep(x) Sleep((x) / 1000)
#else
-#include <pthread.h>
-#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include <unistd.h>
#endif
-#include <errno.h>
-#include <zlib.h>
-#ifdef HAVE_CHD
-#include "libchdr/chd.h"
+#ifdef USE_LIBRETRO_VFS
+#include <streams/file_stream_transforms.h>
+#undef fseeko
+#undef ftello
+#undef rewind
+#define ftello rftell
+#define fseeko rfseek
+#define rewind(f_) rfseek(f_, 0, SEEK_SET)
#endif
#define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1))
unsigned int cdrIsoMultidiskSelect;
static FILE *cdHandle = NULL;
-static FILE *cddaHandle = NULL;
static FILE *subHandle = NULL;
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);
-
-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);
+static int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector);
+static int (*cdimg_read_sub_func)(FILE *f, int sector, void *dest);
-static void DecodeRawSubData(void);
+static void DecodeRawSubData(unsigned char *subbuffer);
struct trackinfo {
enum {DATA=1, CDDA} type;
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 struct trackinfo ti[MAXTRACKS];
// get a sector from a msf-array
-static unsigned int msf2sec(char *msf) {
+static unsigned int msf2sec(const void *msf_) {
+ const unsigned char *msf = msf_;
return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
}
-static void sec2msf(unsigned int s, char *msf) {
+static void sec2msf(unsigned int s, void *msf_) {
+ unsigned char *msf = msf_;
msf[0] = s / 75 / 60;
s = s - msf[0] * 75 * 60;
msf[1] = s / 75;
}
}
+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;
+}
+
+// Some c libs like newlib default buffering to just 1k which is less than
+// cd sector size which is bad for performance.
+// Note that NULL setvbuf() is implemented differently by different libs
+// (newlib mallocs a buffer of given size and glibc ignores size and uses it's own).
+static void set_static_stdio_buffer(FILE *f)
+{
+#if !defined(fopen) // no stdio redirect
+ static char buf[16 * 1024];
+ if (f) {
+ int r;
+ errno = 0;
+ r = setvbuf(f, buf, _IOFBF, sizeof(buf));
+ if (r)
+ SysPrintf("cdriso: setvbuf %d %d\n", r, errno);
+ }
+#endif
+}
+
// 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;
+ set_static_stdio_buffer(cdHandle);
+ }
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);
}
off_t psisoimg_offs, cdimg_base;
unsigned int t, cd_length;
unsigned int offsettab[8];
+ unsigned int psar_offs, index_entry_size, index_entry_offset;
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))
+ 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 fail_io;
}
- ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET);
+ psar_offs = SWAP32(pbp_hdr.psar_offs);
+
+ ret = fseeko(cdHandle, psar_offs, SEEK_SET);
if (ret != 0) {
- SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs);
+ SysPrintf("failed to seek to %x\n", psar_offs);
goto fail_io;
}
- psisoimg_offs = pbp_hdr.psar_offs;
+ psisoimg_offs = psar_offs;
if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig))
goto fail_io;
psar_sig[10] = 0;
if (strcmp(psar_sig, "PSTITLEIMG") == 0) {
// multidisk image?
- ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET);
+ ret = fseeko(cdHandle, psar_offs + 0x200, SEEK_SET);
if (ret != 0) {
- SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200);
+ SysPrintf("failed to seek to %x\n", psar_offs + 0x200);
goto fail_io;
}
if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount)
cdrIsoMultidiskSelect = 0;
- psisoimg_offs += offsettab[cdrIsoMultidiskSelect];
+ psisoimg_offs += SWAP32(offsettab[cdrIsoMultidiskSelect]);
ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET);
if (ret != 0) {
goto fail_index;
}
- if (index_entry.size == 0)
+ index_entry_size = SWAP32(index_entry.size);
+ index_entry_offset = SWAP32(index_entry.offset);
+
+ 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;
}
- compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size;
+ compr_img->index_table[i] = cdimg_base + index_entry_offset + index_entry_size;
return 0;
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;
}
static int handlechd(const char *isofile) {
int frame_offset = 150;
int file_offset = 0;
+ int is_chd_ext = 0;
+ chd_error err;
+ if (strlen(isofile) >= 3) {
+ const char *ext = isofile + strlen(isofile) - 3;
+ is_chd_ext = !strcasecmp(ext, "chd");
+ }
chd_img = calloc(1, sizeof(*chd_img));
if (chd_img == NULL)
goto fail_io;
- if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE)
+ err = chd_open_file(cdHandle, CHD_OPEN_READ, NULL, &chd_img->chd);
+ if (err != CHDERR_NONE) {
+ if (is_chd_ext)
+ SysPrintf("chd_open: %d\n", err);
goto fail_io;
+ }
if (Config.CHD_Precache && (chd_precache(chd_img->chd) != CHDERR_NONE))
goto fail_io;
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;
}
subHandle = fopen(subname, "rb");
- if (subHandle == NULL) {
+ if (subHandle == NULL)
return -1;
- }
return 0;
}
strcpy(sbiname + strlen(sbiname) - 4, disknum);
}
else
- strcpy(sbiname + strlen(sbiname) - 4, ".sbi");
+ strcpy(sbiname + strlen(sbiname) - 4, ".sbi");
}
else {
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 (!dest)
+ dest = cdbuffer;
+ 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 (!dest)
+ dest = cdbuffer;
+ if (fseeko(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET))
+ goto fail_io;
ret = fread(dest, 1, CD_FRAMESIZE_RAW, f);
- if (fread(subbuffer, 1, SUB_FRAMESIZE, f) != SUB_FRAMESIZE)
+ if (ret <= 0)
goto fail_io;
-
- if (subChanRaw) DecodeRawSubData();
- goto done;
+ return ret;
fail_io:
-#ifndef NDEBUG
- SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
-#endif
+ //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector);
+ return -1;
+}
-done:
- return ret;
+static int cdread_sub_sub_mixed(FILE *f, int sector, void *buffer)
+{
+ if (!f)
+ return -1;
+ if (fseeko(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + CD_FRAMESIZE_RAW, SEEK_SET))
+ goto fail_io;
+ if (fread(buffer, 1, SUB_FRAMESIZE, f) != SUB_FRAMESIZE)
+ goto fail_io;
+
+ return 0;
+
+fail_io:
+ 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;
if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0],
1, size, cdHandle) != size) {
- SysPrintf("read error for block %d at %x: ", block, start_byte);
+ SysPrintf("read error for block %d at %lx: ", block, (long)start_byte);
perror(NULL);
return -1;
}
compr_img->current_block = block;
finish:
- if (dest != cdbuffer) // copy avoid HACK
+ if (dest != NULL)
memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk],
CD_FRAMESIZE_RAW);
return CD_FRAMESIZE_RAW;
}
#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],
+ if (dest != NULL)
+ 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, void *buffer_ptr)
+{
+ 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(buffer_ptr, chd_get_sector(buffer, sector_in_hunk) + CD_FRAMESIZE_RAW, SUB_FRAMESIZE);
+ return 0;
+}
#endif
static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector)
{
+ unsigned char *dst = dest ? dest : cdbuffer;
int ret;
- fseek(f, base + sector * 2048, SEEK_SET);
- ret = fread((char *)dest + 12 * 2, 1, 2048, f);
+ if (!f)
+ return -1;
+
+ fseeko(f, base + sector * 2048, SEEK_SET);
+ ret = fread(dst + 12 * 2, 1, 2048, f);
// not really necessary, fake mode 2 header
- memset(cdbuffer, 0, 12 * 2);
- sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]);
- cdbuffer[12 + 3] = 1;
+ memset(dst, 0, 12 * 2);
+ sec2msf(sector + 2 * 75, dst + 12);
+ dst[12 + 0] = itob(dst[12 + 0]);
+ dst[12 + 1] = itob(dst[12 + 1]);
+ dst[12 + 2] = itob(dst[12 + 2]);
+ dst[12 + 3] = 1;
+
+ return 12*2 + ret;
+}
- return ret;
+static void * ISOgetBuffer_normal(void) {
+ return cdbuffer + 12;
}
-static unsigned char * CALLBACK ISOgetBuffer_compr(void) {
- return compr_img->buff_raw[compr_img->sector_in_blk] + 12;
+static void * ISOgetBuffer_compr(void) {
+ return compr_img->buff_raw[compr_img->sector_in_blk] + 12;
}
#ifdef HAVE_CHD
-static unsigned char * CALLBACK ISOgetBuffer_chd(void) {
- return chd_img->buffer[chd_img->sector_in_hunk] + 12;
+static void * ISOgetBuffer_chd(void) {
+ return chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12;
}
#endif
-static unsigned char * CALLBACK ISOgetBuffer(void) {
- return cdbuffer + 12;
-}
+void * (*ISOgetBuffer)(void) = ISOgetBuffer_normal;
static void PrintTracks(void) {
int i;
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]);
}
// This function is invoked by the front-end when opening an ISO
// file for playback
-static long CALLBACK ISOopen(void) {
+int ISOopen(const char *fname)
+{
boolean isMode1ISO = FALSE;
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
}
- cdHandle = fopen(GetIsoFile(), "rb");
+ cdHandle = fopen(fname, "rb");
if (cdHandle == NULL) {
SysPrintf(_("Could't open '%s' for reading: %s\n"),
- GetIsoFile(), strerror(errno));
+ fname, strerror(errno));
return -1;
}
+ set_static_stdio_buffer(cdHandle);
+ size_main = get_size(cdHandle);
snprintf(image_str, sizeof(image_str) - 6*4 - 1,
- "Loaded CD Image: %s", GetIsoFile());
+ "Loaded CD Image: %s", fname);
cddaBigEndian = FALSE;
subChanMixed = FALSE;
cdrIsoMultidiskCount = 1;
multifile = 0;
- CDR_getBuffer = ISOgetBuffer;
+ ISOgetBuffer = ISOgetBuffer_normal;
cdimg_read_func = cdread_normal;
+ cdimg_read_sub_func = NULL;
- if (parsetoc(GetIsoFile()) == 0) {
+ if (parsetoc(fname) == 0) {
strcat(image_str, "[+toc]");
}
- else if (parseccd(GetIsoFile()) == 0) {
+ else if (parseccd(fname) == 0) {
strcat(image_str, "[+ccd]");
}
- else if (parsemds(GetIsoFile()) == 0) {
+ else if (parsemds(fname) == 0) {
strcat(image_str, "[+mds]");
}
- else if (parsecue(GetIsoFile()) == 0) {
+ else if (parsecue(fname) == 0) {
strcat(image_str, "[+cue]");
}
- if (handlepbp(GetIsoFile()) == 0) {
+ if (handlepbp(fname) == 0) {
strcat(image_str, "[+pbp]");
- CDR_getBuffer = ISOgetBuffer_compr;
+ ISOgetBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
- else if (handlecbin(GetIsoFile()) == 0) {
+ else if (handlecbin(fname) == 0) {
strcat(image_str, "[+cbin]");
- CDR_getBuffer = ISOgetBuffer_compr;
+ ISOgetBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
#ifdef HAVE_CHD
- else if (handlechd(GetIsoFile()) == 0) {
+ else if (handlechd(fname) == 0) {
strcat(image_str, "[+chd]");
- CDR_getBuffer = ISOgetBuffer_chd;
+ ISOgetBuffer = ISOgetBuffer_chd;
cdimg_read_func = cdread_chd;
- is_chd = 1;
+ cdimg_read_sub_func = cdread_sub_chd;
}
#endif
- if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
+ if (!subChanMixed && opensubfile(fname) == 0) {
strcat(image_str, "[+sub]");
}
- if (opensbifile(GetIsoFile()) == 0) {
+ if (opensbifile(fname) == 0) {
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) {
+ bin_filename = fname;
+ 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);
+ set_static_stdio_buffer(cdHandle);
+ 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);
+ SysPrintf("%s (%lld bytes).\n", image_str, (long long)size_main);
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;
}
-static long CALLBACK ISOclose(void) {
+int ISOclose(void)
+{
int i;
if (cdHandle != NULL) {
fclose(subHandle);
subHandle = NULL;
}
- playing = FALSE;
- cddaHandle = NULL;
if (compr_img != NULL) {
free(compr_img->index_table);
free(compr_img);
compr_img = NULL;
}
-
+
#ifdef HAVE_CHD
if (chd_img != NULL) {
chd_close(chd_img->chd);
UnloadSBI();
memset(cdbuffer, 0, sizeof(cdbuffer));
- CDR_getBuffer = ISOgetBuffer;
+ ISOgetBuffer = ISOgetBuffer_normal;
return 0;
}
-static long CALLBACK ISOinit(void) {
+int ISOinit(void)
+{
assert(cdHandle == NULL);
assert(subHandle == NULL);
+ numtracks = 0;
return 0; // do nothing
}
-static long CALLBACK ISOshutdown(void) {
- ISOclose();
- return 0;
+int ISOshutdown(void)
+{
+ return ISOclose();
}
// return Starting and Ending Track
// buffer:
// byte 0 - start track
// byte 1 - end track
-static long CALLBACK ISOgetTN(unsigned char *buffer) {
+int ISOgetTN(unsigned char *buffer)
+{
buffer[0] = 1;
if (numtracks > 0) {
// return Track Time
// buffer:
-// byte 0 - frame
+// byte 0 - minute
// byte 1 - second
-// byte 2 - minute
-static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
+// byte 2 - frame
+int ISOgetTD(int track, unsigned char *buffer)
+{
if (track == 0) {
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];
+ sec2msf(sect, buffer);
}
else if (numtracks > 0 && track <= numtracks) {
- buffer[2] = ti[track].start[0];
- buffer[1] = ti[track].start[1];
- buffer[0] = ti[track].start[2];
+ memcpy(buffer, ti[track].start, 3);
}
else {
buffer[2] = 0;
}
// decode 'raw' subchannel data ripped by cdrdao
-static void DecodeRawSubData(void) {
+static void DecodeRawSubData(unsigned char *subbuffer) {
unsigned char subQData[12];
int i;
}
// read track
-// time: byte 0 - minute; byte 1 - second; byte 2 - frame
-// uses bcd format
-static boolean CALLBACK ISOreadTrack(unsigned char *time) {
- int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2]));
+// time: byte 0 - minute; byte 1 - second; byte 2 - frame (non-bcd)
+// buf: if NULL, data is kept in internal buffer accessible by ISOgetBuffer()
+int ISOreadTrack(const unsigned char *time, void *buf)
+{
+ int sector = msf2sec(time);
long ret;
- if (cdHandle == NULL) {
- return 0;
- }
+ if (!cdHandle && !chd_img)
+ return -1;
- if (pregapOffset) {
- subChanMissing = FALSE;
- if (sector >= pregapOffset) {
- sector -= 2 * 75;
- if (sector < pregapOffset)
- subChanMissing = TRUE;
- }
- }
+ if (numtracks > 1 && sector >= msf2sec(ti[2].start))
+ return ISOreadCDDA(time, buf);
- ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector);
- if (ret < 0)
- return 0;
+ sector -= 2 * 75;
+ if (pregapOffset && sector >= pregapOffset)
+ sector -= 2 * 75;
- 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 */
+ ret = cdimg_read_func(cdHandle, 0, buf, sector);
+ if (ret < 12*2 + 2048) {
+ if (buf && multifile && sector >= msf2sec(ti[1].length)) {
+ // assume a gap not backed by a file
+ memset(buf, 0, CD_FRAMESIZE_RAW);
return 0;
-
- if (subChanRaw) DecodeRawSubData();
+ }
+ return -1;
}
- return 1;
-}
-
-// 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) {
- playing = TRUE;
return 0;
}
-// stops cdda audio
-static long CALLBACK ISOstop(void) {
- playing = FALSE;
- return 0;
-}
+// read subchannel data
+int ISOreadSub(const unsigned char *time, void *buffer)
+{
+ int ret, sector = MSF2SECT(time[0], time[1], time[2]);
-// gets subchannel data
-static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if ((subHandle != NULL || subChanMixed) && !subChanMissing) {
- return subbuffer;
+ if (pregapOffset && sector >= pregapOffset) {
+ sector -= 2 * 75;
+ if (sector < pregapOffset) // ?
+ return -1;
}
- return NULL;
-}
-
-static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- u32 sect;
-
- CDR__getStatus(stat);
-
- if (playing) {
- stat->Type = 0x02;
- stat->Status |= 0x80;
+ if (cdimg_read_sub_func != NULL) {
+ if ((ret = cdimg_read_sub_func(cdHandle, sector, buffer)))
+ return ret;
+ }
+ else if (subHandle != NULL) {
+ if (fseeko(subHandle, sector * SUB_FRAMESIZE, SEEK_SET))
+ return -1;
+ if (fread(buffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE)
+ return -1;
}
else {
- // BIOS - boot ID (CD type)
- stat->Type = ti[1].type;
+ return -1;
}
+
+ if (subChanRaw)
+ DecodeRawSubData(buffer);
+ return 0;
+}
+
+int ISOgetStatus(struct CdrStat *stat)
+{
+ CDR__getStatus(stat);
- // 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;
- int ret;
+int ISOreadCDDA(const unsigned char *time, void *buffer)
+{
+ unsigned int track, track_start = 0;
+ FILE *handle = cdHandle;
+ unsigned int cddaCurPos;
+ int ret, ret_clear = -1;
- cddaCurPos = msf2sec((char *)msf);
+ cddaCurPos = msf2sec(time);
// find current track index
for (track = numtracks; ; track--) {
// data tracks play silent
if (ti[track].type != CDDA) {
- memset(buffer, 0, CD_FRAMESIZE_RAW);
- return 0;
+ ret_clear = 0;
+ goto clear_return;
}
- 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)
+ goto clear_return;
- 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);
- return -1;
+ if (multifile && cddaCurPos - track_start >= msf2sec(ti[track].length))
+ ret_clear = 0; // gap
+ goto clear_return;
}
- if (cddaBigEndian) {
+ if (cddaBigEndian && buffer) {
+ unsigned char tmp, *buf = buffer;
int i;
- unsigned char tmp;
for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) {
- tmp = buffer[i * 2];
- buffer[i * 2] = buffer[i * 2 + 1];
- buffer[i * 2 + 1] = tmp;
+ tmp = buf[i * 2];
+ buf[i * 2] = buf[i * 2 + 1];
+ buf[i * 2 + 1] = tmp;
}
}
return 0;
-}
-void cdrIsoInit(void) {
- CDR_init = ISOinit;
- CDR_shutdown = ISOshutdown;
- CDR_open = ISOopen;
- CDR_close = ISOclose;
- CDR_getTN = ISOgetTN;
- CDR_getTD = ISOgetTD;
- CDR_readTrack = ISOreadTrack;
- CDR_getBuffer = ISOgetBuffer;
- CDR_play = ISOplay;
- CDR_stop = ISOstop;
- CDR_getBufferSub = ISOgetBufferSub;
- CDR_getStatus = ISOgetStatus;
- CDR_readCDDA = ISOreadCDDA;
-
- CDR_getDriveLetter = CDR__getDriveLetter;
- CDR_configure = CDR__configure;
- CDR_test = CDR__test;
- CDR_about = CDR__about;
- CDR_setfilename = CDR__setfilename;
-
- numtracks = 0;
-}
-
-int cdrIsoActive(void) {
- return (cdHandle != NULL);
+clear_return:
+ if (buffer)
+ memset(buffer, 0, CD_FRAMESIZE_RAW);
+ return ret_clear;
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff