#include <zlib.h>
#ifdef HAVE_CHD
-#include "chd.h"
+#include "libchdr/chd.h"
#endif
#define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1))
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 unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10];
-
-#define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75)
-
-#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.
* XXX: there could be multiple pregaps but PSX dumps only have one? */
static unsigned int pregapOffset;
-#define cddaCurPos cdda_cur_sector
+static unsigned int cddaCurPos;
// compressed image stuff
static struct {
} *compr_img;
#ifdef HAVE_CHD
-typedef struct {
- unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE];
+static struct {
+ 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;
-
-static CHD_IMG *chd_img;
+} *chd_img;
#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);
}
}
-#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
-{
- 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;
- }
- }
-
- // can't do it yet due to readahead..
- //cdrAttenuate((short *)sndbuffer, s / 4, 1);
- 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);
-#endif
-}
-
-// start the CDDA playback
-static void startCDDA(void) {
- if (playing) {
- stopCDDA();
- }
-
- playing = TRUE;
-
-#ifdef _WIN32
- threadid = (HANDLE)_beginthread(playthread, 0, NULL);
-#else
- pthread_create(&threadid, NULL, playthread, NULL);
-#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
- fgets(linebuf, sizeof(linebuf), fi);
+ if (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
token = strtok(linebuf, " ");
if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) {
fclose(fi);
return -1;
}
+ }
fseek(fi, 0, SEEK_SET);
}
strncpy(cuename, isofile, sizeof(cuename));
cuename[MAXPATHLEN - 1] = '\0';
if (strlen(cuename) >= 4) {
+ // 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 {
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
+ (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");
}
fclose(fi);
+ // if there are no tracks detected, then it's not a cue file
+ if (!numtracks)
+ return -1;
+
return 0;
}
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) {
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;
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;
- 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 = 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_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;
}
// 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;
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:
+#ifndef NDEBUG
+ SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
+#endif
+
+done:
if (compr_img != NULL) {
free(compr_img);
compr_img = NULL;
#ifdef HAVE_CHD
static int handlechd(const char *isofile) {
- int frame_offset = 0;
+ int frame_offset = 150;
int file_offset = 0;
- chd_img = (CHD_IMG *)calloc(1, sizeof(*chd_img));
+ 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)
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 = (unsigned char (*)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE])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;
else
break;
- if(md.track == 1)
- md.pregap = 150;
- else
- sec2msf(msf2sec(ti[md.track-1].length) + md.pregap, ti[md.track-1].length);
+ 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;
+ ti[md.track].start_offset = file_offset + md.pregap;
- frame_offset += md.pregap + md.frames + md.postgap;
- file_offset += md.frames + md.postgap;
+ // XXX: what about postgap?
+ frame_offset += md.frames;
+ file_offset += md.frames;
numtracks++;
}
}
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) {
+ if (cdrIsoMultidiskCount > 1) {
+ sprintf(disknum, "_%i.sbi", cdrIsoMultidiskSelect + 1);
+ strcpy(sbiname + strlen(sbiname) - 4, disknum);
+ }
+ else
strcpy(sbiname + strlen(sbiname) - 4, ".sbi");
}
else {
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 (fseek(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 (fseek(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)
+{
+ if (fseek(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;
+
+ return SUB_FRAMESIZE;
+
+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)
}
#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;
+ assert(base == 0);
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);
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)
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 *ISOgetBuffer_chd(void) {
- return chd_img->buffer[chd_img->sector_in_hunk] + 12;
+static unsigned char * CALLBACK ISOgetBuffer_chd(void) {
+ return chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12;
}
#endif
boolean isMode1ISO = FALSE;
char alt_bin_filename[MAXPATHLEN];
const char *bin_filename;
+ char image_str[1024];
+ int is_chd = 0;
if (cdHandle != NULL) {
return 0; // it's already open
return -1;
}
- SysPrintf(_("Loaded CD Image: %s"), GetIsoFile());
+ snprintf(image_str, sizeof(image_str) - 6*4 - 1,
+ "Loaded CD Image: %s", GetIsoFile());
cddaBigEndian = FALSE;
subChanMixed = FALSE;
CDR_getBuffer = ISOgetBuffer;
cdimg_read_func = cdread_normal;
+ cdimg_read_sub_func = NULL;
if (parsetoc(GetIsoFile()) == 0) {
- SysPrintf("[+toc]");
+ strcat(image_str, "[+toc]");
}
else if (parseccd(GetIsoFile()) == 0) {
- SysPrintf("[+ccd]");
+ strcat(image_str, "[+ccd]");
}
else if (parsemds(GetIsoFile()) == 0) {
- SysPrintf("[+mds]");
+ strcat(image_str, "[+mds]");
}
else if (parsecue(GetIsoFile()) == 0) {
- SysPrintf("[+cue]");
+ strcat(image_str, "[+cue]");
}
if (handlepbp(GetIsoFile()) == 0) {
- SysPrintf("[pbp]");
+ strcat(image_str, "[+pbp]");
CDR_getBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
else if (handlecbin(GetIsoFile()) == 0) {
- SysPrintf("[cbin]");
+ strcat(image_str, "[+cbin]");
CDR_getBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
-
#ifdef HAVE_CHD
else if (handlechd(GetIsoFile()) == 0) {
- printf("[chd]");
+ strcat(image_str, "[+chd]");
CDR_getBuffer = ISOgetBuffer_chd;
cdimg_read_func = cdread_chd;
+ cdimg_read_sub_func = cdread_sub_chd;
+ is_chd = 1;
}
#endif
if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
- SysPrintf("[+sub]");
+ strcat(image_str, "[+sub]");
}
if (opensbifile(GetIsoFile()) == 0) {
- SysPrintf("[+sbi]");
+ strcat(image_str, "[+sbi]");
}
fseeko(cdHandle, 0, SEEK_END);
if (ftello(cdHandle) % 2048 == 0) {
unsigned int modeTest = 0;
fseek(cdHandle, 0, SEEK_SET);
- fread(&modeTest, 4, 1, cdHandle);
+ 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) {
- SysPrintf("[2048]");
+ strcat(image_str, "[2048]");
isMode1ISO = TRUE;
}
}
fseek(cdHandle, 0, SEEK_SET);
- SysPrintf(".\n");
+ SysPrintf("%s.\n", image_str);
PrintTracks();
- if (subChanMixed)
+ if (subChanMixed && !is_chd) {
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;
+ cdimg_read_sub_func = NULL;
+ }
// make sure we have another handle open for cdda
if (numtracks > 1 && ti[1].handle == NULL) {
ti[1].handle = fopen(bin_filename, "rb");
}
- cdda_cur_sector = 0;
- cdda_file_offset = 0;
return 0;
}
fclose(subHandle);
subHandle = NULL;
}
- stopCDDA();
+ playing = FALSE;
cddaHandle = NULL;
if (compr_img != NULL) {
// read track
// time: byte 0 - minute; byte 1 - second; byte 2 - frame
// uses bcd format
-static long CALLBACK ISOreadTrack(unsigned char *time) {
+static boolean CALLBACK ISOreadTrack(unsigned char *time) {
int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2]));
long ret;
if (cdHandle == NULL) {
- return -1;
+ 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)
- return -1;
-
- if (subHandle != NULL) {
- fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
-
- if (subChanRaw) DecodeRawSubData();
- }
+ if (ret < 12*2 + 2048)
+ return 0;
- return 0;
+ 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) {
- unsigned int i;
-
- if (numtracks <= 1)
- return 0;
-
- // 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;
- }
- 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();
-
+ playing = TRUE;
return 0;
}
// stops cdda audio
static long CALLBACK ISOstop(void) {
- stopCDDA();
+ 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;
}
- return NULL;
+ if (cdimg_read_sub_func != NULL) {
+ if (cdimg_read_sub_func(cdHandle, sector) != SUB_FRAMESIZE)
+ return NULL;
+ }
+ else if (subHandle != NULL) {
+ if (fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET))
+ return NULL;
+ if (fread(subbuffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE)
+ return NULL;
+ }
+ else {
+ return NULL;
+ }
+
+ if (subChanRaw) DecodeRawSubData();
+ return subbuffer;
}
static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
notaz.gp2x.de / pcsx_rearmed.git / blobdiff