* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#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
-#include <process.h>
-#include <windows.h>
+#define strcasecmp _stricmp
#else
-#include <pthread.h>
-#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include <unistd.h>
#endif
-#include <zlib.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 cdrIsoMultidiskCount;
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 unsigned char cdbuffer[CD_FRAMESIZE_RAW];
-static unsigned char subbuffer[SUB_FRAMESIZE];
+static boolean multifile = FALSE;
-static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10];
-
-#define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75)
+static unsigned char cdbuffer[CD_FRAMESIZE_RAW];
-#ifdef _WIN32
-static HANDLE threadid;
-#else
-static pthread_t threadid;
-#endif
-static unsigned int initial_offset = 0;
-static boolean playing = FALSE;
static boolean cddaBigEndian = FALSE;
-// cdda sectors in toc, byte offset in file
-static unsigned int cdda_cur_sector;
-static unsigned int cdda_first_sector;
-static unsigned int cdda_file_offset;
/* 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.
static struct {
unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100];
- unsigned int *index_table;
+ off_t *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, 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);
+#ifdef HAVE_CHD
+static struct {
+ unsigned char *buffer;
+ chd_file* chd;
+ const chd_header* header;
+ unsigned int sectors_per_hunk;
+ unsigned int current_hunk[2];
+ unsigned int current_buffer;
+ unsigned int sector_in_hunk;
+} *chd_img;
+#else
+#define chd_img 0
+#endif
-static void DecodeRawSubData(void);
+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);
-extern void *hCDRDriver;
+static void DecodeRawSubData(unsigned char *subbuffer);
struct trackinfo {
- enum {DATA, CDDA} type;
+ 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;
}
}
-#ifndef _WIN32
-static long GetTickCount(void) {
- static time_t initial_time = 0;
- struct timeval now;
-
- gettimeofday(&now, NULL);
-
- if (initial_time == 0) {
- initial_time = now.tv_sec;
- }
-
- return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L;
-}
-#endif
-
-// this thread plays audio data
-#ifdef _WIN32
-static void playthread(void *param)
-#else
-static void *playthread(void *param)
-#endif
+static off_t get_size(FILE *f)
{
- long osleep, d, t, i, s;
- unsigned char tmp;
- int ret = 0, sector_offs;
-
- t = GetTickCount();
-
- while (playing) {
- s = 0;
- for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) {
- sector_offs = cdda_cur_sector - cdda_first_sector;
- if (sector_offs < 0) {
- d = CD_FRAMESIZE_RAW;
- memset(sndbuffer + s, 0, d);
- }
- else {
- d = cdimg_read_func(cddaHandle, cdda_file_offset,
- sndbuffer + s, sector_offs);
- if (d < CD_FRAMESIZE_RAW)
- break;
- }
-
- s += d;
- cdda_cur_sector++;
- }
-
- if (s == 0) {
- playing = FALSE;
- initial_offset = 0;
- break;
- }
-
- if (!cdr.Muted && playing) {
- if (cddaBigEndian) {
- for (i = 0; i < s / 2; i++) {
- tmp = sndbuffer[i * 2];
- sndbuffer[i * 2] = sndbuffer[i * 2 + 1];
- sndbuffer[i * 2 + 1] = tmp;
- }
- }
-
- 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;
- }
-
- }
-
-#ifdef _WIN32
- _endthread();
-#else
- pthread_exit(0);
- return NULL;
-#endif
-}
-
-// stop the CDDA playback
-static void stopCDDA() {
- if (!playing) {
- return;
- }
-
- playing = FALSE;
-#ifdef _WIN32
- WaitForSingleObject(threadid, INFINITE);
-#else
- pthread_join(threadid, NULL);
+ 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;
}
-// start the CDDA playback
-static void startCDDA(void) {
- if (playing) {
- stopCDDA();
+// 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);
}
-
- playing = TRUE;
-
-#ifdef _WIN32
- threadid = (HANDLE)_beginthread(playthread, 0, NULL);
-#else
- pthread_create(&threadid, NULL, playthread, NULL);
#endif
}
static int parsetoc(const char *isofile) {
char tocname[MAXPATHLEN];
FILE *fi;
- char linebuf[256], dummy[256], name[256];
+ char linebuf[256], tmp[256], name[256];
char *token;
char time[20], time2[20];
- unsigned int t, sector_offs;
+ unsigned int t, sector_offs, sector_size;
+ unsigned int current_zero_gap = 0;
numtracks = 0;
return -1;
}
}
+ // 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) - valid for a real .cue
+ fclose(fi);
+ return -1;
+ }
+ }
+ fseek(fi, 0, SEEK_SET);
}
memset(&ti, 0, sizeof(ti));
cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio
+ sector_size = CD_FRAMESIZE_RAW;
sector_offs = 2 * 75;
// parse the .toc file
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
// search for tracks
- strncpy(dummy, linebuf, sizeof(linebuf));
- token = strtok(dummy, " ");
+ strncpy(tmp, linebuf, sizeof(linebuf));
+ token = strtok(tmp, " ");
if (token == NULL) continue;
if (!strcmp(token, "TRACK")) {
+ sector_offs += current_zero_gap;
+ current_zero_gap = 0;
+
// get type of track
token = strtok(NULL, " ");
numtracks++;
// check if this image contains mixed subchannel data
token = strtok(NULL, " ");
- if (token != NULL && !strncmp(token, "RW_RAW", 6)) {
+ if (token != NULL && !strncmp(token, "RW", 2)) {
+ sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE;
subChanMixed = TRUE;
- subChanRaw = TRUE;
+ if (!strncmp(token, "RW_RAW", 6))
+ subChanRaw = TRUE;
}
}
else if (!strncmp(token, "AUDIO", 5)) {
if (ti[numtracks].type == CDDA) {
sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2);
ti[numtracks].start_offset = t;
- t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
- t += sector_offs;
+ t = t / sector_size + sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
else if (!strcmp(token, "FILE")) {
sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2);
tok2msf((char *)&time, (char *)&ti[numtracks].start);
+ t += msf2sec(ti[numtracks].start) * sector_size;
ti[numtracks].start_offset = t;
- t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
- t += msf2sec(ti[numtracks].start) + sector_offs;
+ t = t / sector_size + 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);
+ else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) {
+ // skip unneeded optional fields
+ while (token != NULL) {
+ token = strtok(NULL, " ");
+ if (strchr(token, ':') != NULL)
+ break;
+ }
+ if (token != NULL) {
+ tok2msf(token, tmp);
+ current_zero_gap = msf2sec(tmp);
+ }
if (numtracks > 1) {
t = ti[numtracks - 1].start_offset;
- t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
+ t /= sector_size;
pregapOffset = t + msf2sec(ti[numtracks - 1].length);
}
}
+ else if (!strcmp(token, "START")) {
+ token = strtok(NULL, " ");
+ if (token != NULL && strchr(token, ':')) {
+ tok2msf(token, tmp);
+ t = msf2sec(tmp);
+ ti[numtracks].start_offset += (t - current_zero_gap) * sector_size;
+ t = msf2sec(ti[numtracks].start) + t;
+ sec2msf(t, (char *)&ti[numtracks].start);
+ }
+ }
}
fclose(fi);
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) {
- strcpy(cuename + strlen(cuename) - 4, ".cue");
- }
- else {
+ 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");
- 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
strncpy(filepath, cuename, sizeof(filepath));
- tmp = strrchr(filepath, '/') + 1;
- if (tmp == NULL)
- tmp = strrchr(filepath, '\\') + 1;
+ tmp = strrchr(filepath, '/');
if (tmp == NULL)
+ tmp = strrchr(filepath, '\\');
+ if (tmp != NULL)
+ tmp++;
+ else
tmp = filepath;
*tmp = 0;
filepath[sizeof(filepath) - 1] = 0;
pregapOffset = -1; // mark to fill track start_offset
}
else if (!strcmp(token, "FILE")) {
- t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb);
+ t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb);
if (t != 1)
- sscanf(linebuf, " FILE %256s", tmpb);
+ sscanf(linebuf, " FILE %255s", tmpb);
// absolute path?
ti[numtracks + 1].handle = fopen(tmpb, "rb");
}
// update global offset if this is not first file in this .cue
- if (numtracks + 1 > 1)
+ if (numtracks + 1 > 1) {
+ multifile = 1;
sector_offs += file_len;
+ }
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");
- }
+ 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);
}
memset(&ti, 0, sizeof(ti));
// check if it's a valid mds file
- fread(&i, 1, sizeof(unsigned int), fi);
+ if (fread(&i, 1, sizeof(i), fi) != sizeof(i))
+ goto fail_io;
i = SWAP32(i);
if (i != 0x4944454D) {
// not an valid mds file
// get offset to session block
fseek(fi, 0x50, SEEK_SET);
- fread(&offset, 1, sizeof(unsigned int), fi);
+ if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset))
+ goto fail_io;
offset = SWAP32(offset);
// get total number of tracks
offset += 14;
fseek(fi, offset, SEEK_SET);
- fread(&s, 1, sizeof(unsigned short), fi);
+ if (fread(&s, 1, sizeof(s), fi) != sizeof(s))
+ goto fail_io;
s = SWAP16(s);
numtracks = s;
// get offset to track blocks
fseek(fi, 4, SEEK_CUR);
- fread(&offset, 1, sizeof(unsigned int), fi);
+ if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset))
+ goto fail_io;
offset = SWAP32(offset);
// skip lead-in data
ti[i].start[1] = fgetc(fi);
ti[i].start[2] = fgetc(fi);
- fread(&extra_offset, 1, sizeof(unsigned int), fi);
+ if (fread(&extra_offset, 1, sizeof(extra_offset), fi) != sizeof(extra_offset))
+ goto fail_io;
extra_offset = SWAP32(extra_offset);
// get track start offset (in .mdf)
fseek(fi, offset + 0x28, SEEK_SET);
- fread(&l, 1, sizeof(unsigned int), fi);
+ if (fread(&l, 1, sizeof(l), fi) != sizeof(l))
+ goto fail_io;
l = SWAP32(l);
ti[i].start_offset = l;
// get pregap
fseek(fi, extra_offset, SEEK_SET);
- fread(&l, 1, sizeof(unsigned int), fi);
+ if (fread(&l, 1, sizeof(l), fi) != sizeof(l))
+ goto fail_io;
l = SWAP32(l);
if (l != 0 && i > 1)
pregapOffset = msf2sec(ti[i].start);
// get the track length
- fread(&l, 1, sizeof(unsigned int), fi);
+ if (fread(&l, 1, sizeof(l), fi) != sizeof(l))
+ goto fail_io;
l = SWAP32(l);
sec2msf(l, ti[i].length);
offset += 0x50;
}
-
fclose(fi);
return 0;
+fail_io:
+#ifndef NDEBUG
+ SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
+#endif
+ fclose(fi);
+ return -1;
}
static int handlepbp(const char *isofile) {
unsigned int dontcare[6];
} index_entry;
char psar_sig[11];
- unsigned int t, cd_length, cdimg_base;
- unsigned int offsettab[8], psisoimg_offs;
+ 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;
numtracks = 0;
goto fail_io;
}
- ret = fseek(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;
- fread(psar_sig, 1, sizeof(psar_sig), cdHandle);
+ 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 = fseek(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 = fseek(cdHandle, psisoimg_offs, SEEK_SET);
+ ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET);
if (ret != 0) {
- SysPrintf("failed to seek to %x\n", psisoimg_offs);
+ SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs);
goto fail_io;
}
- fread(psar_sig, 1, sizeof(psar_sig), cdHandle);
+ if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig))
+ goto fail_io;
psar_sig[10] = 0;
}
}
// seek to TOC
- ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
+ ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
if (ret != 0) {
- SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800);
+ SysPrintf("failed to seek to %llx\n", (long long)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);
+ if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry))
+ goto fail_io;
numtracks = btoi(toc_entry.index1[0]);
- fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+ if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry))
+ goto fail_io;
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);
+ if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry))
+ goto fail_io;
ti[i].type = (toc_entry.type == 1) ? CDDA : DATA;
sec2msf(t, ti[numtracks].length);
// seek to ISO index
- ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
+ ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
if (ret != 0) {
SysPrintf("failed to seek to ISO index\n");
goto fail_io;
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;
fail_index:
free(compr_img->index_table);
compr_img->index_table = NULL;
+ goto done;
+
fail_io:
+ SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
+ rewind(cdHandle);
+
+done:
if (compr_img != NULL) {
free(compr_img);
compr_img = NULL;
unsigned char rsv_06[2];
} ciso_hdr;
const char *ext = NULL;
+ unsigned int *index_table = NULL;
unsigned int index = 0, plain;
int i, ret;
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 = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET);
+ 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;
}
}
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)
+ index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0]));
+ if (index_table == NULL)
goto fail_io;
- ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle);
+ ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle);
if (ret != compr_img->index_len) {
SysPrintf("failed to read index table\n");
goto fail_index;
}
+ compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
+ if (compr_img->index_table == NULL)
+ goto fail_index;
+
for (i = 0; i < compr_img->index_len + 1; i++) {
- index = compr_img->index_table[i];
+ index = index_table[i];
plain = index & 0x80000000;
index &= 0x7fffffff;
- compr_img->index_table[i] = (index << ciso_hdr.align) | plain;
+ compr_img->index_table[i] = (off_t)index << ciso_hdr.align;
+ if (plain)
+ compr_img->index_table[i] |= OFF_T_MSB;
}
- if ((long long)index << ciso_hdr.align >= 0x80000000ll)
- SysPrintf("warning: ciso img too large, expect problems\n");
return 0;
fail_index:
- free(compr_img->index_table);
- compr_img->index_table = NULL;
+ free(index_table);
fail_io:
if (compr_img != NULL) {
free(compr_img);
compr_img = NULL;
}
+ rewind(cdHandle);
+ return -1;
+}
+
+#ifdef HAVE_CHD
+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;
+
+ 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 * 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[0] = (unsigned int)-1;
+ chd_img->current_hunk[1] = (unsigned int)-1;
+
+ cddaBigEndian = TRUE;
+
+ numtracks = 0;
+ memset(ti, 0, sizeof(ti));
+
+ while (1)
+ {
+ struct {
+ char type[64];
+ char subtype[32];
+ char pgtype[32];
+ char pgsub[32];
+ uint32_t track;
+ uint32_t frames;
+ uint32_t pregap;
+ uint32_t postgap;
+ } md = {};
+ char meta[256];
+ uint32_t meta_size = 0;
+
+ if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE)
+ sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap);
+ else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE)
+ sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames);
+ else
+ break;
+
+ SysPrintf("chd: %s\n", meta);
+
+ if (md.track == 1) {
+ if (!strncmp(md.subtype, "RW", 2)) {
+ subChanMixed = TRUE;
+ if (!strcmp(md.subtype, "RW_RAW"))
+ subChanRaw = TRUE;
+ }
+ }
+
+ ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA;
+
+ sec2msf(frame_offset + md.pregap, ti[md.track].start);
+ sec2msf(md.frames, ti[md.track].length);
+
+ ti[md.track].start_offset = file_offset + md.pregap;
+
+ // XXX: what about postgap?
+ frame_offset += md.frames;
+ file_offset += md.frames;
+ numtracks++;
+ }
+
+ if (numtracks)
+ return 0;
+
+fail_io:
+ if (chd_img != NULL) {
+ free(chd_img->buffer);
+ free(chd_img);
+ chd_img = NULL;
+ }
return -1;
}
+#endif
// this function tries to get the .sub file of the given .img
static int opensubfile(const char *isoname) {
}
subHandle = fopen(subname, "rb");
- if (subHandle == NULL) {
+ if (subHandle == NULL)
return -1;
- }
return 0;
}
static int opensbifile(const char *isoname) {
- char sbiname[MAXPATHLEN];
+ char sbiname[MAXPATHLEN], disknum[MAXPATHLEN] = "0";
int s;
strncpy(sbiname, isoname, sizeof(sbiname));
sbiname[MAXPATHLEN - 1] = '\0';
if (strlen(sbiname) >= 4) {
- strcpy(sbiname + strlen(sbiname) - 4, ".sbi");
+ if (cdrIsoMultidiskCount > 1) {
+ sprintf(disknum, "_%i.sbi", cdrIsoMultidiskSelect + 1);
+ strcpy(sbiname + strlen(sbiname) - 4, disknum);
+ }
+ else
+ 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);
- fread(subbuffer, 1, SUB_FRAMESIZE, f);
+ if (ret <= 0)
+ goto fail_io;
+ return ret;
- if (subChanRaw) DecodeRawSubData();
+fail_io:
+ //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector);
+ return -1;
+}
- 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(void *out, unsigned long *out_size, void *in, unsigned long in_size)
+static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size)
{
static z_stream z;
int ret = 0;
static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector)
{
unsigned long cdbuffer_size, cdbuffer_size_expect;
- unsigned int start_byte, size;
+ unsigned int size;
int is_compressed;
+ off_t start_byte;
int ret, block;
+ if (!cdHandle)
+ return -1;
if (base)
sector += base / 2352;
return -1;
}
- start_byte = compr_img->index_table[block] & 0x7fffffff;
- if (fseek(cdHandle, start_byte, SEEK_SET) != 0) {
- SysPrintf("seek error for block %d at %x: ",
- block, start_byte);
+ start_byte = compr_img->index_table[block] & ~OFF_T_MSB;
+ if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) {
+ SysPrintf("seek error for block %d at %llx: ",
+ block, (long long)start_byte);
perror(NULL);
return -1;
}
- is_compressed = !(compr_img->index_table[block] & 0x80000000);
- size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte;
+ is_compressed = !(compr_img->index_table[block] & OFF_T_MSB);
+ size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte;
if (size > sizeof(compr_img->buff_compressed)) {
SysPrintf("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) {
- 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;
}
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);
+ ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size);
if (ret != 0) {
SysPrintf("uncompress failed with %d for block %d, sector %d\n",
ret, block, sector);
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;
+
+ 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[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_buffer * chd_img->header->hunkbytes);
+ chd_img->current_hunk[chd_img->current_buffer] = hunk;
+ }
+
+ if (dest != NULL)
+ memcpy(dest, chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk),
+ CD_FRAMESIZE_RAW);
+ 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;
}
-static unsigned char * CALLBACK ISOgetBuffer(void) {
- return cdbuffer + 12;
+#ifdef HAVE_CHD
+static void * ISOgetBuffer_chd(void) {
+ return chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12;
}
+#endif
+
+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];
+ 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"),
+ fname, strerror(errno));
return -1;
}
+ set_static_stdio_buffer(cdHandle);
+ size_main = get_size(cdHandle);
- SysPrintf(_("Loaded CD Image: %s"), GetIsoFile());
+ snprintf(image_str, sizeof(image_str) - 6*4 - 1,
+ "Loaded CD Image: %s", fname);
cddaBigEndian = FALSE;
subChanMixed = FALSE;
subChanRaw = FALSE;
pregapOffset = 0;
cdrIsoMultidiskCount = 1;
+ multifile = 0;
- CDR_getBuffer = ISOgetBuffer;
+ ISOgetBuffer = ISOgetBuffer_normal;
cdimg_read_func = cdread_normal;
+ cdimg_read_sub_func = NULL;
- if (parsecue(GetIsoFile()) == 0) {
- SysPrintf("[+cue]");
+ if (parsetoc(fname) == 0) {
+ strcat(image_str, "[+toc]");
}
- else if (parsetoc(GetIsoFile()) == 0) {
- SysPrintf("[+toc]");
+ else if (parseccd(fname) == 0) {
+ strcat(image_str, "[+ccd]");
}
- else if (parseccd(GetIsoFile()) == 0) {
- SysPrintf("[+ccd]");
+ else if (parsemds(fname) == 0) {
+ strcat(image_str, "[+mds]");
}
- else if (parsemds(GetIsoFile()) == 0) {
- SysPrintf("[+mds]");
+ else if (parsecue(fname) == 0) {
+ strcat(image_str, "[+cue]");
}
- if (handlepbp(GetIsoFile()) == 0) {
- SysPrintf("[pbp]");
- CDR_getBuffer = ISOgetBuffer_compr;
+ if (handlepbp(fname) == 0) {
+ strcat(image_str, "[+pbp]");
+ ISOgetBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
- else if (handlecbin(GetIsoFile()) == 0) {
- SysPrintf("[cbin]");
- CDR_getBuffer = ISOgetBuffer_compr;
+ else if (handlecbin(fname) == 0) {
+ strcat(image_str, "[+cbin]");
+ ISOgetBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
-
- if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
- SysPrintf("[+sub]");
+#ifdef HAVE_CHD
+ else if (handlechd(fname) == 0) {
+ strcat(image_str, "[+chd]");
+ ISOgetBuffer = ISOgetBuffer_chd;
+ cdimg_read_func = cdread_chd;
+ cdimg_read_sub_func = cdread_sub_chd;
}
- if (opensbifile(GetIsoFile()) == 0) {
- SysPrintf("[+sbi]");
+#endif
+
+ if (!subChanMixed && opensubfile(fname) == 0) {
+ strcat(image_str, "[+sub]");
+ }
+ if (opensbifile(fname) == 0) {
+ strcat(image_str, "[+sbi]");
+ }
+
+ // maybe user selected metadata file instead of main .bin ..
+ bin_filename = fname;
+ if (cdHandle && size_main < 2352 * 0x10) {
+ static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" };
+ FILE *tmpf = NULL;
+ size_t i;
+ char *p;
+
+ strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename));
+ alt_bin_filename[MAXPATHLEN - 1] = '\0';
+ if (strlen(alt_bin_filename) >= 4) {
+ p = alt_bin_filename + strlen(alt_bin_filename) - 4;
+ for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) {
+ strcpy(p, exts[i]);
+ tmpf = fopen(alt_bin_filename, "rb");
+ if (tmpf != NULL)
+ break;
+ }
+ }
+ if (tmpf != NULL) {
+ bin_filename = alt_bin_filename;
+ fclose(cdHandle);
+ cdHandle = tmpf;
+ set_static_stdio_buffer(cdHandle);
+ size_main = get_size(cdHandle);
+ }
}
// guess whether it is mode1/2048
- fseek(cdHandle, 0, SEEK_END);
- if (ftell(cdHandle) % 2048 == 0) {
+ if (cdHandle && cdimg_read_func == cdread_normal && size_main % 2048 == 0) {
unsigned int modeTest = 0;
- fseek(cdHandle, 0, SEEK_SET);
- fread(&modeTest, 4, 1, cdHandle);
+ if (!fread(&modeTest, sizeof(modeTest), 1, cdHandle)) {
+ SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
+ }
if (SWAP32(modeTest) != 0xffffff00) {
- SysPrintf("[2048]");
+ strcat(image_str, "[2048]");
isMode1ISO = TRUE;
}
}
- fseek(cdHandle, 0, SEEK_SET);
- SysPrintf(".\n");
+ SysPrintf("%s (%lld bytes).\n", image_str, (long long)size_main);
PrintTracks();
- if (subChanMixed)
+ 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(GetIsoFile(), "rb");
+ cdimg_read_sub_func = NULL;
}
- cdda_cur_sector = 0;
- cdda_file_offset = 0;
return 0;
}
-static long CALLBACK ISOclose(void) {
+int ISOclose(void)
+{
int i;
if (cdHandle != NULL) {
fclose(subHandle);
subHandle = NULL;
}
- stopCDDA();
- cddaHandle = NULL;
if (compr_img != NULL) {
free(compr_img->index_table);
compr_img = NULL;
}
+#ifdef HAVE_CHD
+ if (chd_img != NULL) {
+ chd_close(chd_img->chd);
+ free(chd_img->buffer);
+ free(chd_img);
+ chd_img = NULL;
+ }
+#endif
+
for (i = 1; i <= numtracks; i++) {
if (ti[i].handle != NULL) {
fclose(ti[i].handle);
}
}
numtracks = 0;
+ ti[1].type = 0;
UnloadSBI();
+ memset(cdbuffer, 0, sizeof(cdbuffer));
+ 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) {
- // 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];
+ 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 long 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) {
+ 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);
- cdimg_read_func(cdHandle, 0, cdbuffer, sector);
+ sector -= 2 * 75;
+ if (pregapOffset && sector >= pregapOffset)
+ sector -= 2 * 75;
- if (subHandle != NULL) {
- fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
-
- if (subChanRaw) DecodeRawSubData();
+ 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;
+ }
+ return -1;
}
return 0;
}
-// 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;
-
- if (numtracks <= 1)
- return 0;
+// read subchannel data
+int ISOreadSub(const unsigned char *time, void *buffer)
+{
+ int ret, sector = MSF2SECT(time[0], time[1], time[2]);
- // find the track
- cdda_cur_sector = msf2sec((char *)time);
- for (i = numtracks; i > 1; i--) {
- cdda_first_sector = msf2sec(ti[i].start);
- if (cdda_first_sector <= cdda_cur_sector + 2 * 75)
- break;
+ if (pregapOffset && sector >= pregapOffset) {
+ sector -= 2 * 75;
+ if (sector < pregapOffset) // ?
+ return -1;
}
- cdda_file_offset = ti[i].start_offset;
- // find the file that contains this track
- for (; i > 1; i--)
- if (ti[i].handle != NULL)
- break;
-
- cddaHandle = ti[i].handle;
-
- if (SPU_playCDDAchannel != NULL)
- startCDDA();
+ 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 {
+ return -1;
+ }
+ if (subChanRaw)
+ DecodeRawSubData(buffer);
return 0;
}
-// stops cdda audio
-static long CALLBACK ISOstop(void) {
- stopCDDA();
+int ISOgetStatus(struct CdrStat *stat)
+{
+ CDR__getStatus(stat);
+
+ // BIOS - boot ID (CD type)
+ stat->Type = ti[1].type;
+
return 0;
}
-// gets subchannel data
-static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if ((subHandle != NULL || subChanMixed) && !subChanMissing) {
- return subbuffer;
- }
-
- return NULL;
-}
+// read CDDA sector into buffer
+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;
-static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- int sec;
+ cddaCurPos = msf2sec(time);
- CDR__getStatus(stat);
+ // find current track index
+ for (track = numtracks; ; track--) {
+ track_start = msf2sec(ti[track].start);
+ if (track_start <= cddaCurPos)
+ break;
+ if (track == 1)
+ break;
+ }
- if (playing) {
- stat->Type = 0x02;
- stat->Status |= 0x80;
+ // data tracks play silent
+ if (ti[track].type != CDDA) {
+ ret_clear = 0;
+ goto clear_return;
}
- else {
- stat->Type = 0x01;
+
+ if (multifile) {
+ // find the file that contains this track
+ 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;
- sec = cdda_cur_sector;
- sec2msf(sec, (char *)stat->Time);
+ ret = cdimg_read_func(handle, ti[track].start_offset,
+ buffer, cddaCurPos - track_start);
+ if (ret != CD_FRAMESIZE_RAW) {
+ if (multifile && cddaCurPos - track_start >= msf2sec(ti[track].length))
+ ret_clear = 0; // gap
+ goto clear_return;
+ }
- return 0;
-}
+ if (cddaBigEndian && buffer) {
+ unsigned char tmp, *buf = buffer;
+ int i;
-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_getDriveLetter = CDR__getDriveLetter;
- CDR_configure = CDR__configure;
- CDR_test = CDR__test;
- CDR_about = CDR__about;
- CDR_setfilename = CDR__setfilename;
+ for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) {
+ tmp = buf[i * 2];
+ buf[i * 2] = buf[i * 2 + 1];
+ buf[i * 2 + 1] = tmp;
+ }
+ }
- numtracks = 0;
-}
+ return 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