/***************************************************************************
* Copyright (C) 2007 PCSX-df Team *
* Copyright (C) 2009 Wei Mingzhi *
+ * Copyright (C) 2012 notaz *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* 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"
#ifdef _WIN32
#include <process.h>
#include <windows.h>
+#define strcasecmp _stricmp
#else
#include <pthread.h>
#include <sys/time.h>
+#include <unistd.h>
#endif
+#include <zlib.h>
+
+unsigned int cdrIsoMultidiskCount;
+unsigned int cdrIsoMultidiskSelect;
static FILE *cdHandle = NULL;
static FILE *cddaHandle = NULL;
static boolean subChanMixed = FALSE;
static boolean subChanRaw = FALSE;
+static boolean subChanMissing = FALSE;
+
+static boolean multifile = FALSE;
-static unsigned char cdbuffer[DATA_SIZE];
+static unsigned char cdbuffer[CD_FRAMESIZE_RAW];
static unsigned char subbuffer[SUB_FRAMESIZE];
static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10];
static unsigned int initial_offset = 0;
static boolean playing = FALSE;
static boolean cddaBigEndian = FALSE;
-static unsigned int cddaCurOffset = 0;
-static unsigned int cddaStartOffset;
+// 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
+
+// compressed image stuff
+static struct {
+ unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
+ unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100];
+ unsigned int *index_table;
+ unsigned int index_len;
+ unsigned int block_shift;
+ unsigned int current_block;
+ unsigned int sector_in_blk;
+} *compr_img;
+
+int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector);
char* CALLBACK CDR__getDriveLetter(void);
long CALLBACK CDR__configure(void);
static void DecodeRawSubData(void);
-extern void *hCDRDriver;
-
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
- int start_offset; // sector offset from start of above file
+ unsigned int start_offset; // byte offset from start of above file
};
#define MAXTRACKS 100 /* How many tracks can a CD hold? */
static void *playthread(void *param)
#endif
{
- long d, t, i, s;
+ long osleep, d, t, i, s;
unsigned char tmp;
+ int ret = 0, sector_offs;
t = GetTickCount();
while (playing) {
- d = t - (long)GetTickCount();
- if (d <= 0) {
- d = 1;
- }
- else if (d > CDDA_FRAMETIME) {
- d = CDDA_FRAMETIME;
- }
-#ifdef _WIN32
- Sleep(d);
-#else
- usleep(d * 1000);
-#endif
- // HACK: stop feeding data while emu is paused
- extern int stop;
- if (stop) {
- usleep(100000);
- continue;
- }
-
- t = GetTickCount() + CDDA_FRAMETIME;
-
- if (subChanMixed) {
- s = 0;
-
- for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) {
- // read one sector
- d = fread(sndbuffer + CD_FRAMESIZE_RAW * i, 1, CD_FRAMESIZE_RAW, cddaHandle);
- if (d < CD_FRAMESIZE_RAW) {
+ 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;
-
- fread(subbuffer, 1, SUB_FRAMESIZE, cddaHandle);
- if (subChanRaw) DecodeRawSubData();
}
- }
- else {
- s = fread(sndbuffer, 1, sizeof(sndbuffer), cddaHandle);
- if (subHandle != NULL) {
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
- if (subChanRaw) DecodeRawSubData();
-
- // a bit crude but ohwell
- fseek(subHandle, (sizeof(sndbuffer) / CD_FRAMESIZE_RAW - 1) * SUB_FRAMESIZE, SEEK_CUR);
- }
+ s += d;
+ cdda_cur_sector++;
}
if (s == 0) {
}
}
- SPU_playCDDAchannel((short *)sndbuffer, s);
+ // 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;
}
- cddaCurOffset += s;
}
#ifdef _WIN32
#else
pthread_join(threadid, NULL);
#endif
-
- initial_offset = 0;
}
// start the CDDA playback
-static void startCDDA(unsigned int offset) {
+static void startCDDA(void) {
if (playing) {
- if (initial_offset == offset) {
- return;
- }
stopCDDA();
}
- initial_offset = offset;
- cddaCurOffset = initial_offset;
- fseek(cddaHandle, initial_offset, SEEK_SET);
-
playing = TRUE;
#ifdef _WIN32
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;
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)) {
else if (!strcmp(token, "DATAFILE")) {
if (ti[numtracks].type == CDDA) {
sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2);
- t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
ti[numtracks].start_offset = t;
- 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 /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
+ t += msf2sec(ti[numtracks].start) * sector_size;
ti[numtracks].start_offset = t;
- 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 /= 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);
+ }
}
}
char *tmp;
char linebuf[256], tmpb[256], dummy[256];
unsigned int incue_max_len;
- unsigned int t, file_len, sector_offs;
+ unsigned int t, file_len, mode, sector_offs;
+ unsigned int sector_size = 2352;
numtracks = 0;
if (!strcmp(token, "TRACK")) {
numtracks++;
+ sector_size = 0;
if (strstr(linebuf, "AUDIO") != NULL) {
ti[numtracks].type = CDDA;
+ sector_size = 2352;
}
- else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) {
+ else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3)
ti[numtracks].type = DATA;
+ else {
+ SysPrintf(".cue: failed to parse TRACK\n");
+ ti[numtracks].type = numtracks == 1 ? DATA : CDDA;
}
+ if (sector_size == 0)
+ sector_size = 2352;
}
else if (!strcmp(token, "INDEX")) {
- sscanf(linebuf, " INDEX %02d %8s", &t, time);
+ if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2)
+ SysPrintf(".cue: failed to parse INDEX\n");
tok2msf(time, (char *)&ti[numtracks].start);
t = msf2sec(ti[numtracks].start);
- ti[numtracks].start_offset = t;
+ ti[numtracks].start_offset = t * sector_size;
t += sector_offs;
sec2msf(t, ti[numtracks].start);
// default track length to file length
- t = file_len - ti[numtracks].start_offset;
+ t = file_len - ti[numtracks].start_offset / sector_size;
sec2msf(t, ti[numtracks].length);
if (numtracks > 1 && ti[numtracks].handle == NULL) {
t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
sec2msf(t, ti[numtracks - 1].length);
}
+ if (numtracks > 1 && pregapOffset == -1)
+ pregapOffset = ti[numtracks].start_offset / sector_size;
}
else if (!strcmp(token, "PREGAP")) {
if (sscanf(linebuf, " PREGAP %8s", time) == 1) {
tok2msf(time, dummy);
sector_offs += msf2sec(dummy);
}
+ pregapOffset = -1; // mark to fill track start_offset
}
else if (!strcmp(token, "FILE")) {
- sscanf(linebuf, " FILE \"%[^\"]\"", tmpb);
+ t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb);
+ if (t != 1)
+ sscanf(linebuf, " FILE %256s", 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) {
else if (!strncmp(linebuf, "INDEX 1=", 8)) {
sscanf(linebuf, "INDEX 1=%d", &t);
sec2msf(t + 2 * 75, ti[numtracks].start);
- ti[numtracks].start_offset = t;
+ ti[numtracks].start_offset = t * 2352;
// If we've already seen another track, this is its end
if (numtracks > 1) {
// check if the image contains mixed subchannel data
fseek(fi, offset + 1, SEEK_SET);
- subChanMixed = (fgetc(fi) ? TRUE : FALSE);
+ subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE);
// read track data
for (i = 1; i <= numtracks; i++) {
ti[i].start[1] = fgetc(fi);
ti[i].start[2] = fgetc(fi);
- // get the track length
fread(&extra_offset, 1, sizeof(unsigned int), fi);
extra_offset = SWAP32(extra_offset);
- fseek(fi, extra_offset + 4, SEEK_SET);
+ // get track start offset (in .mdf)
+ fseek(fi, offset + 0x28, SEEK_SET);
+ fread(&l, 1, sizeof(unsigned int), fi);
+ l = SWAP32(l);
+ ti[i].start_offset = l;
+
+ // get pregap
+ fseek(fi, extra_offset, SEEK_SET);
fread(&l, 1, sizeof(unsigned int), fi);
l = SWAP32(l);
- sec2msf(l, ti[i].length);
+ if (l != 0 && i > 1)
+ pregapOffset = msf2sec(ti[i].start);
- // get track start offset (in .mdf)
- fseek(fi, offset + 0x28, SEEK_SET);
+ // get the track length
fread(&l, 1, sizeof(unsigned int), fi);
l = SWAP32(l);
- ti[i].start_offset = l / CD_FRAMESIZE_RAW;
+ sec2msf(l, ti[i].length);
offset += 0x50;
}
return 0;
}
+static int handlepbp(const char *isofile) {
+ struct {
+ unsigned int sig;
+ unsigned int dontcare[8];
+ unsigned int psar_offs;
+ } pbp_hdr;
+ struct {
+ unsigned char type;
+ unsigned char pad0;
+ unsigned char track;
+ char index0[3];
+ char pad1;
+ char index1[3];
+ } toc_entry;
+ struct {
+ unsigned int offset;
+ unsigned int size;
+ unsigned int dontcare[6];
+ } index_entry;
+ char psar_sig[11];
+ unsigned int t, cd_length, cdimg_base;
+ unsigned int offsettab[8], psisoimg_offs;
+ const char *ext = NULL;
+ int i, ret;
+
+ if (strlen(isofile) >= 4)
+ ext = isofile + strlen(isofile) - 4;
+ if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0))
+ return -1;
+
+ numtracks = 0;
+
+ ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle);
+ if (ret != sizeof(pbp_hdr)) {
+ SysPrintf("failed to read pbp\n");
+ goto fail_io;
+ }
+
+ ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs);
+ goto fail_io;
+ }
+
+ psisoimg_offs = pbp_hdr.psar_offs;
+ fread(psar_sig, 1, sizeof(psar_sig), cdHandle);
+ psar_sig[10] = 0;
+ if (strcmp(psar_sig, "PSTITLEIMG") == 0) {
+ // multidisk image?
+ ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200);
+ goto fail_io;
+ }
+
+ if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) {
+ SysPrintf("failed to read offsettab\n");
+ goto fail_io;
+ }
+
+ for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) {
+ if (offsettab[i] == 0)
+ break;
+ }
+ cdrIsoMultidiskCount = i;
+ if (cdrIsoMultidiskCount == 0) {
+ SysPrintf("multidisk eboot has 0 images?\n");
+ goto fail_io;
+ }
+
+ if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount)
+ cdrIsoMultidiskSelect = 0;
+
+ psisoimg_offs += offsettab[cdrIsoMultidiskSelect];
+
+ ret = fseek(cdHandle, psisoimg_offs, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", psisoimg_offs);
+ goto fail_io;
+ }
+
+ fread(psar_sig, 1, sizeof(psar_sig), cdHandle);
+ psar_sig[10] = 0;
+ }
+
+ if (strcmp(psar_sig, "PSISOIMG00") != 0) {
+ SysPrintf("bad psar_sig: %s\n", psar_sig);
+ goto fail_io;
+ }
+
+ // seek to TOC
+ ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800);
+ goto fail_io;
+ }
+
+ // first 3 entries are special
+ fseek(cdHandle, sizeof(toc_entry), SEEK_CUR);
+ fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+ numtracks = btoi(toc_entry.index1[0]);
+
+ fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+ cd_length = btoi(toc_entry.index1[0]) * 60 * 75 +
+ btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]);
+
+ for (i = 1; i <= numtracks; i++) {
+ fread(&toc_entry, 1, sizeof(toc_entry), cdHandle);
+
+ ti[i].type = (toc_entry.type == 1) ? CDDA : DATA;
+
+ ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 +
+ btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]);
+ ti[i].start_offset *= 2352;
+ ti[i].start[0] = btoi(toc_entry.index1[0]);
+ ti[i].start[1] = btoi(toc_entry.index1[1]);
+ ti[i].start[2] = btoi(toc_entry.index1[2]);
+
+ if (i > 1) {
+ t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start);
+ sec2msf(t, ti[i - 1].length);
+ }
+ }
+ t = cd_length - ti[numtracks].start_offset / 2352;
+ sec2msf(t, ti[numtracks].length);
+
+ // seek to ISO index
+ ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to ISO index\n");
+ goto fail_io;
+ }
+
+ compr_img = calloc(1, sizeof(*compr_img));
+ if (compr_img == NULL)
+ goto fail_io;
+
+ compr_img->block_shift = 4;
+ compr_img->current_block = (unsigned int)-1;
+
+ compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry);
+ compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
+ if (compr_img->index_table == NULL)
+ goto fail_io;
+
+ cdimg_base = psisoimg_offs + 0x100000;
+ for (i = 0; i < compr_img->index_len; i++) {
+ ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle);
+ if (ret != sizeof(index_entry)) {
+ SysPrintf("failed to read index_entry #%d\n", i);
+ goto fail_index;
+ }
+
+ if (index_entry.size == 0)
+ break;
+
+ compr_img->index_table[i] = cdimg_base + index_entry.offset;
+ }
+ compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size;
+
+ return 0;
+
+fail_index:
+ free(compr_img->index_table);
+ compr_img->index_table = NULL;
+fail_io:
+ if (compr_img != NULL) {
+ free(compr_img);
+ compr_img = NULL;
+ }
+ return -1;
+}
+
+static int handlecbin(const char *isofile) {
+ struct
+ {
+ char magic[4];
+ unsigned int header_size;
+ unsigned long long total_bytes;
+ unsigned int block_size;
+ unsigned char ver; // 1
+ unsigned char align;
+ unsigned char rsv_06[2];
+ } ciso_hdr;
+ const char *ext = NULL;
+ unsigned int index = 0, plain;
+ int i, ret;
+
+ if (strlen(isofile) >= 5)
+ ext = isofile + strlen(isofile) - 5;
+ if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0))
+ return -1;
+
+ ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle);
+ if (ret != sizeof(ciso_hdr)) {
+ SysPrintf("failed to read ciso header\n");
+ return -1;
+ }
+
+ if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) {
+ SysPrintf("bad ciso header\n");
+ return -1;
+ }
+ if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) {
+ ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", ciso_hdr.header_size);
+ return -1;
+ }
+ }
+
+ compr_img = calloc(1, sizeof(*compr_img));
+ if (compr_img == NULL)
+ goto fail_io;
+
+ compr_img->block_shift = 0;
+ compr_img->current_block = (unsigned int)-1;
+
+ compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size;
+ compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
+ if (compr_img->index_table == NULL)
+ goto fail_io;
+
+ ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle);
+ if (ret != compr_img->index_len) {
+ SysPrintf("failed to read index table\n");
+ goto fail_index;
+ }
+
+ for (i = 0; i < compr_img->index_len + 1; i++) {
+ index = compr_img->index_table[i];
+ plain = index & 0x80000000;
+ index &= 0x7fffffff;
+ compr_img->index_table[i] = (index << ciso_hdr.align) | plain;
+ }
+ if ((long long)index << ciso_hdr.align >= 0x80000000ll)
+ SysPrintf("warning: ciso img too large, expect problems\n");
+
+ return 0;
+
+fail_index:
+ free(compr_img->index_table);
+ compr_img->index_table = NULL;
+fail_io:
+ if (compr_img != NULL) {
+ free(compr_img);
+ compr_img = NULL;
+ }
+ return -1;
+}
+
// this function tries to get the .sub file of the given .img
static int opensubfile(const char *isoname) {
char subname[MAXPATHLEN];
return 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);
+}
+
+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);
+ ret = fread(dest, 1, CD_FRAMESIZE_RAW, f);
+ fread(subbuffer, 1, SUB_FRAMESIZE, f);
+
+ if (subChanRaw) DecodeRawSubData();
+
+ return ret;
+}
+
+static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size)
+{
+ static z_stream z;
+ int ret = 0;
+
+ if (z.zalloc == NULL) {
+ // XXX: one-time leak here..
+ z.next_in = Z_NULL;
+ z.avail_in = 0;
+ z.zalloc = Z_NULL;
+ z.zfree = Z_NULL;
+ z.opaque = Z_NULL;
+ ret = inflateInit2(&z, -15);
+ }
+ else
+ ret = inflateReset(&z);
+ if (ret != Z_OK)
+ return ret;
+
+ z.next_in = in;
+ z.avail_in = in_size;
+ z.next_out = out;
+ z.avail_out = *out_size;
+
+ ret = inflate(&z, Z_NO_FLUSH);
+ //inflateEnd(&z);
+
+ *out_size -= z.avail_out;
+ return ret == 1 ? 0 : ret;
+}
+
+static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector)
+{
+ unsigned long cdbuffer_size, cdbuffer_size_expect;
+ unsigned int start_byte, size;
+ int is_compressed;
+ int ret, block;
+
+ if (base)
+ sector += base / 2352;
+
+ block = sector >> compr_img->block_shift;
+ compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1);
+
+ if (block == compr_img->current_block) {
+ //printf("hit sect %d\n", sector);
+ goto finish;
+ }
+
+ if (sector >= compr_img->index_len * 16) {
+ SysPrintf("sector %d is past img end\n", sector);
+ return -1;
+ }
+
+ start_byte = compr_img->index_table[block] & 0x7fffffff;
+ if (fseek(cdHandle, start_byte, SEEK_SET) != 0) {
+ SysPrintf("seek error for block %d at %x: ",
+ block, start_byte);
+ perror(NULL);
+ return -1;
+ }
+
+ is_compressed = !(compr_img->index_table[block] & 0x80000000);
+ size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte;
+ if (size > sizeof(compr_img->buff_compressed)) {
+ 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);
+ perror(NULL);
+ return -1;
+ }
+
+ if (is_compressed) {
+ cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift;
+ cdbuffer_size = cdbuffer_size_expect;
+ ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size);
+ if (ret != 0) {
+ SysPrintf("uncompress failed with %d for block %d, sector %d\n",
+ ret, block, sector);
+ return -1;
+ }
+ if (cdbuffer_size != cdbuffer_size_expect)
+ SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size,
+ cdbuffer_size_expect, sector);
+ }
+
+ // done at last!
+ compr_img->current_block = block;
+
+finish:
+ if (dest != cdbuffer) // copy avoid HACK
+ memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk],
+ CD_FRAMESIZE_RAW);
+ return CD_FRAMESIZE_RAW;
+}
+
+static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector)
+{
+ int ret;
+
+ fseek(f, base + sector * 2048, SEEK_SET);
+ ret = fread((char *)dest + 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;
+
+ return ret;
+}
+
+static unsigned char * CALLBACK ISOgetBuffer_compr(void) {
+ return compr_img->buff_raw[compr_img->sector_in_blk] + 12;
+}
+
+static unsigned char * CALLBACK ISOgetBuffer(void) {
+ return cdbuffer + 12;
+}
+
static void PrintTracks(void) {
int i;
// This function is invoked by the front-end when opening an ISO
// file for playback
static long CALLBACK ISOopen(void) {
+ boolean isMode1ISO = FALSE;
+
if (cdHandle != NULL) {
return 0; // it's already open
}
cddaBigEndian = FALSE;
subChanMixed = FALSE;
subChanRaw = FALSE;
+ pregapOffset = 0;
+ cdrIsoMultidiskCount = 1;
+ multifile = 0;
+
+ CDR_getBuffer = ISOgetBuffer;
+ cdimg_read_func = cdread_normal;
if (parsecue(GetIsoFile()) == 0) {
SysPrintf("[+cue]");
else if (parsemds(GetIsoFile()) == 0) {
SysPrintf("[+mds]");
}
+ if (handlepbp(GetIsoFile()) == 0) {
+ SysPrintf("[pbp]");
+ CDR_getBuffer = ISOgetBuffer_compr;
+ cdimg_read_func = cdread_compressed;
+ }
+ else if (handlecbin(GetIsoFile()) == 0) {
+ SysPrintf("[cbin]");
+ CDR_getBuffer = ISOgetBuffer_compr;
+ cdimg_read_func = cdread_compressed;
+ }
if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
SysPrintf("[+sub]");
SysPrintf("[+sbi]");
}
+ // guess whether it is mode1/2048
+ fseek(cdHandle, 0, SEEK_END);
+ if (ftell(cdHandle) % 2048 == 0) {
+ unsigned int modeTest = 0;
+ fseek(cdHandle, 0, SEEK_SET);
+ fread(&modeTest, 4, 1, cdHandle);
+ if (SWAP32(modeTest) != 0xffffff00) {
+ SysPrintf("[2048]");
+ isMode1ISO = TRUE;
+ }
+ }
+ fseek(cdHandle, 0, SEEK_SET);
+
SysPrintf(".\n");
PrintTracks();
+ if (subChanMixed)
+ cdimg_read_func = cdread_sub_mixed;
+ else if (isMode1ISO)
+ cdimg_read_func = cdread_2048;
+
// make sure we have another handle open for cdda
if (numtracks > 1 && ti[1].handle == NULL) {
ti[1].handle = fopen(GetIsoFile(), "rb");
}
- cddaCurOffset = cddaStartOffset = 0;
+ cdda_cur_sector = 0;
+ cdda_file_offset = 0;
return 0;
}
stopCDDA();
cddaHandle = NULL;
+ if (compr_img != NULL) {
+ free(compr_img->index_table);
+ free(compr_img);
+ compr_img = NULL;
+ }
+
for (i = 1; i <= numtracks; i++) {
if (ti[i].handle != NULL) {
fclose(ti[i].handle);
// byte 2 - minute
static long CALLBACK ISOgetTD(unsigned char 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);
return -1;
}
- if (subChanMixed) {
- fseek(cdHandle, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + 12, SEEK_SET);
- fread(cdbuffer, 1, DATA_SIZE, cdHandle);
- fread(subbuffer, 1, SUB_FRAMESIZE, cdHandle);
-
- if (subChanRaw) DecodeRawSubData();
+ if (pregapOffset) {
+ subChanMissing = FALSE;
+ if (sector >= pregapOffset) {
+ sector -= 2 * 75;
+ if (sector < pregapOffset)
+ subChanMissing = TRUE;
+ }
}
- else {
- fseek(cdHandle, sector * CD_FRAMESIZE_RAW + 12, SEEK_SET);
- fread(cdbuffer, 1, DATA_SIZE, cdHandle);
- if (subHandle != NULL) {
- fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+ cdimg_read_func(cdHandle, 0, cdbuffer, sector);
- if (subChanRaw) DecodeRawSubData();
- }
+ if (subHandle != NULL) {
+ fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);
+ fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+
+ if (subChanRaw) DecodeRawSubData();
}
return 0;
}
-// return readed track
-static unsigned char * CALLBACK ISOgetBuffer(void) {
- return cdbuffer;
-}
-
// plays cdda audio
// sector: byte 0 - minute; byte 1 - second; byte 2 - frame
// does NOT uses bcd format
static long CALLBACK ISOplay(unsigned char *time) {
- unsigned int i, abs_sect;
- int file_sect;
+ unsigned int i;
if (numtracks <= 1)
return 0;
// find the track
- abs_sect = msf2sec((char *)time);
- for (i = numtracks; i > 1; i--)
- if (msf2sec(ti[i].start) <= abs_sect + 2 * 75)
+ 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;
-
- file_sect = ti[i].start_offset + (abs_sect - msf2sec(ti[i].start));
- if (file_sect < 0)
- file_sect = 0;
+ }
+ cdda_file_offset = ti[i].start_offset;
// find the file that contains this track
for (; i > 1; i--)
if (ti[i].handle != NULL)
break;
- cddaStartOffset = abs_sect - file_sect;
cddaHandle = ti[i].handle;
- if (SPU_playCDDAchannel != NULL) {
- if (subChanMixed) {
- startCDDA(file_sect * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE));
- }
- else {
- startCDDA(file_sect * CD_FRAMESIZE_RAW);
- if (subHandle != NULL)
- fseek(subHandle, file_sect * SUB_FRAMESIZE, SEEK_SET);
- }
- }
+ if (SPU_playCDDAchannel != NULL)
+ startCDDA();
+
return 0;
}
// gets subchannel data
static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if (subHandle != NULL || subChanMixed) {
+ if ((subHandle != NULL || subChanMixed) && !subChanMissing) {
return subbuffer;
}
}
static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- int sec;
-
+ u32 sect;
+
CDR__getStatus(stat);
-
+
if (playing) {
stat->Type = 0x02;
stat->Status |= 0x80;
}
else {
- stat->Type = 0x01;
+ // BIOS - boot ID (CD type)
+ stat->Type = ti[1].type;
+ }
+
+ // relative -> absolute time
+ sect = cddaCurPos;
+ sec2msf(sect, (char *)stat->Time);
+
+ 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;
+
+ cddaCurPos = msf2sec((char *)msf);
+
+ // find current track index
+ for (track = numtracks; ; track--) {
+ track_start = msf2sec(ti[track].start);
+ if (track_start <= cddaCurPos)
+ break;
+ if (track == 1)
+ break;
+ }
+
+ // data tracks play silent
+ if (ti[track].type != CDDA) {
+ memset(buffer, 0, CD_FRAMESIZE_RAW);
+ return 0;
+ }
+
+ file = 1;
+ if (multifile) {
+ // find the file that contains this track
+ for (file = track; file > 1; file--)
+ if (ti[file].handle != NULL)
+ break;
+ }
+
+ ret = cdimg_read_func(ti[file].handle, ti[track].start_offset,
+ buffer, cddaCurPos - track_start);
+ if (ret != CD_FRAMESIZE_RAW) {
+ memset(buffer, 0, CD_FRAMESIZE_RAW);
+ return -1;
}
- sec = (cddaStartOffset + cddaCurOffset) / CD_FRAMESIZE_RAW;
- sec2msf(sec, (char *)stat->Time);
+ if (cddaBigEndian) {
+ 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;
+ }
+ }
return 0;
}
CDR_stop = ISOstop;
CDR_getBufferSub = ISOgetBufferSub;
CDR_getStatus = ISOgetStatus;
+ CDR_readCDDA = ISOreadCDDA;
CDR_getDriveLetter = CDR__getDriveLetter;
CDR_configure = CDR__configure;
notaz.gp2x.de / pcsx_rearmed.git / blobdiff