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-rwxr-xr-x[-rw-r--r--]libpcsxcore/cdriso.c2050
1 files changed, 1025 insertions, 1025 deletions
diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 78f00bfb..d6867d64 100644..100755
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -1,1025 +1,1025 @@
-/***************************************************************************
- * Copyright (C) 2007 PCSX-df Team *
- * Copyright (C) 2009 Wei Mingzhi *
- * *
- * 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 *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * 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 02110-1301 USA. *
- ***************************************************************************/
-
-#include "psxcommon.h"
-#include "plugins.h"
-#include "cdrom.h"
-#include "cdriso.h"
-
-#ifdef _WIN32
-#include <process.h>
-#include <windows.h>
-#else
-#include <pthread.h>
-#include <sys/time.h>
-#include <unistd.h>
-#endif
-
-static FILE *cdHandle = NULL;
-static FILE *cddaHandle = NULL;
-static FILE *subHandle = NULL;
-
-static boolean subChanMixed = FALSE;
-static boolean subChanRaw = 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)
-
-
-#define MODE1_DATA_SIZE 2048
-
-static boolean isMode1ISO = FALSE;
-
-
-#ifdef _WIN32
-static HANDLE threadid;
-#else
-static pthread_t threadid;
-#endif
-static unsigned int initial_offset = 0;
-static volatile boolean playing = FALSE;
-static boolean cddaBigEndian = FALSE;
-static volatile unsigned int cddaCurOffset = 0;
-
-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);
-
-extern void *hCDRDriver;
-
-struct trackinfo {
- enum {DATA=1, CDDA} type;
- u8 start[3]; // MSF-format
- u8 length[3]; // MSF-format
-};
-
-#define MAXTRACKS 100 /* How many tracks can a CD hold? */
-
-static int numtracks = 0;
-static struct trackinfo ti[MAXTRACKS];
-
-// get a sector from a msf-array
-unsigned int msf2sec(char *msf) {
- return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
-}
-
-void sec2msf(unsigned int s, char *msf) {
- msf[0] = s / 75 / 60;
- s = s - msf[0] * 75 * 60;
- msf[1] = s / 75;
- s = s - msf[1] * 75;
- msf[2] = s;
-}
-
-// divide a string of xx:yy:zz into m, s, f
-static void tok2msf(char *time, char *msf) {
- char *token;
-
- token = strtok(time, ":");
- if (token) {
- msf[0] = atoi(token);
- }
- else {
- msf[0] = 0;
- }
-
- token = strtok(NULL, ":");
- if (token) {
- msf[1] = atoi(token);
- }
- else {
- msf[1] = 0;
- }
-
- token = strtok(NULL, ":");
- if (token) {
- msf[2] = atoi(token);
- }
- else {
- msf[2] = 0;
- }
-}
-
-#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
-
-
-u16 *iso_play_cdbuf;
-u16 iso_play_bufptr;
-
-
-// this thread plays audio data
-#ifdef _WIN32
-static void playthread(void *param)
-#else
-static void *playthread(void *param)
-#endif
-{
- long d, t, i, s;
- unsigned char tmp;
- int sec;
-
- t = GetTickCount();
-
- iso_play_cdbuf = 0;
- iso_play_bufptr = 0;
-
- 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
-
- 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) {
- break;
- }
-
- s += d;
-
- fread( subbuffer, 1, SUB_FRAMESIZE, cddaHandle );
- }
- }
- else {
- s = fread(sndbuffer, 1, sizeof(sndbuffer), cddaHandle);
-
- sec = cddaCurOffset / CD_FRAMESIZE_RAW;
-
- if (subHandle != NULL) {
- fseek(subHandle, sec * SUB_FRAMESIZE, SEEK_SET);
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
- }
- }
-
- if (s == 0) {
- playing = FALSE;
- fclose(cddaHandle);
- cddaHandle = NULL;
- 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;
- }
- }
-
- // wipe data track
- if( subHandle || subChanMixed ) {
- if( ti[ ((struct SubQ *) subbuffer)->TrackNumber ].type == DATA )
- memset( sndbuffer, 0, s );
- }
-
- SPU_playCDDAchannel((short *)sndbuffer, s);
- }
-
-
- cddaCurOffset += s;
-
-
- // BIOS CD Player: Fast forward / reverse seek
- if( cdr.FastForward ) {
- // ~+0.25 sec
- cddaCurOffset += CD_FRAMESIZE_RAW * 75 * 3;
-
-#if 0
- // Bad idea: too much static
- if( subChanInterleaved )
- fseek( cddaHandle, s * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET );
- else
- fseek( cddaHandle, s * CD_FRAMESIZE_RAW, SEEK_SET );
-#endif
- }
- else if( cdr.FastBackward ) {
- // ~-0.25 sec
- cddaCurOffset -= CD_FRAMESIZE_RAW * 75 * 3;
- if( cddaCurOffset & 0x80000000 ) {
- cddaCurOffset = 0;
- cdr.FastBackward = 0;
-
- playing = 0;
- fclose(cddaHandle);
- cddaHandle = NULL;
- initial_offset = 0;
- break;
- }
-
-#if 0
- // Bad idea: too much static
- if( subChanInterleaved )
- fseek( cddaHandle, s * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET );
- else
- fseek( cddaHandle, s * CD_FRAMESIZE_RAW, SEEK_SET );
-#endif
- }
-
-
- // Vib Ribbon: decoded buffer IRQ
- iso_play_cdbuf = (u16 *)sndbuffer;
- iso_play_bufptr = 0;
- }
-
-#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
-
- if (cddaHandle != NULL) {
- fclose(cddaHandle);
- cddaHandle = NULL;
- }
-
- initial_offset = 0;
-}
-
-// start the CDDA playback
-static void startCDDA(unsigned int offset) {
- if (playing) {
- if (initial_offset == offset) {
- return;
- }
- stopCDDA();
- }
-
- cddaHandle = fopen(GetIsoFile(), "rb");
- if (cddaHandle == NULL) {
- return;
- }
-
- initial_offset = offset;
- cddaCurOffset = initial_offset;
- fseek(cddaHandle, initial_offset, SEEK_SET);
-
- 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) {
- char tocname[MAXPATHLEN];
- FILE *fi;
- char linebuf[256], dummy[256], name[256];
- char *token;
- char time[20], time2[20];
- unsigned int t;
-
- numtracks = 0;
-
- // copy name of the iso and change extension from .bin to .toc
- strncpy(tocname, isofile, sizeof(tocname));
- tocname[MAXPATHLEN - 1] = '\0';
- if (strlen(tocname) >= 4) {
- strcpy(tocname + strlen(tocname) - 4, ".toc");
- }
- else {
- return -1;
- }
-
- if ((fi = fopen(tocname, "r")) == NULL) {
- // try changing extension to .cue (to satisfy some stupid tutorials)
- strcpy(tocname + strlen(tocname) - 4, ".cue");
- if ((fi = fopen(tocname, "r")) == NULL) {
- // if filename is image.toc.bin, try removing .bin (for Brasero)
- strcpy(tocname, isofile);
- t = strlen(tocname);
- if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) {
- tocname[t - 4] = '\0';
- if ((fi = fopen(tocname, "r")) == NULL) {
- return -1;
- }
- }
- else {
- return -1;
- }
- }
- }
-
- memset(&ti, 0, sizeof(ti));
- cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio
-
- // parse the .toc file
- while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
- // search for tracks
- strncpy(dummy, linebuf, sizeof(linebuf));
- token = strtok(dummy, " ");
-
- if (token == NULL) continue;
-
- if (!strcmp(token, "TRACK")) {
- // get type of track
- token = strtok(NULL, " ");
- numtracks++;
-
- if (!strncmp(token, "MODE2_RAW", 9)) {
- ti[numtracks].type = DATA;
- sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0
-
- // check if this image contains mixed subchannel data
- token = strtok(NULL, " ");
- if (token != NULL && !strncmp(token, "RW_RAW", 6)) {
- subChanMixed = TRUE;
- subChanRaw = TRUE;
- }
- }
- else if (!strncmp(token, "AUDIO", 5)) {
- ti[numtracks].type = CDDA;
- }
- }
- 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);
- t += 2 * 75;
- sec2msf(t, (char *)&ti[numtracks].start);
- tok2msf((char *)&time2, (char *)&ti[numtracks].length);
- }
- else {
- sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time);
- tok2msf((char *)&time, (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) + 2 * 75;
- sec2msf(t, (char *)&ti[numtracks].start);
- tok2msf((char *)&time2, (char *)&ti[numtracks].length);
- }
- }
-
- fclose(fi);
-
- return 0;
-}
-
-// this function tries to get the .cue file of the given .bin
-// the necessary data is put into the ti (trackinformation)-array
-static int parsecue(const char *isofile) {
- char cuename[MAXPATHLEN];
- FILE *fi;
- char *token;
- char time[20];
- char *tmp;
- char linebuf[256], dummy[256];
- unsigned int t;
-
- numtracks = 0;
-
- // 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 {
- return -1;
- }
-
- if ((fi = fopen(cuename, "r")) == NULL) {
- return -1;
- }
-
- // Some stupid tutorials wrongly tell users to use cdrdao to rip a
- // "bin/cue" image, which is in fact a "bin/toc" image. So let's check
- // that...
- if (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
- 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);
- return parsetoc(isofile);
- }
- fseek(fi, 0, SEEK_SET);
- }
-
- memset(&ti, 0, sizeof(ti));
-
- while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
- strncpy(dummy, linebuf, sizeof(linebuf));
- token = strtok(dummy, " ");
-
- if (token == NULL) {
- continue;
- }
-
- if (!strcmp(token, "TRACK")){
- numtracks++;
-
- if (strstr(linebuf, "AUDIO") != NULL) {
- ti[numtracks].type = CDDA;
- }
- else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) {
- ti[numtracks].type = DATA;
- }
- }
- else if (!strcmp(token, "INDEX")) {
- tmp = strstr(linebuf, "INDEX");
- if (tmp != NULL) {
- tmp += strlen("INDEX") + 3; // 3 - space + numeric index
- while (*tmp == ' ') tmp++;
- if (*tmp != '\n') sscanf(tmp, "%8s", time);
- }
-
- tok2msf((char *)&time, (char *)&ti[numtracks].start);
-
- t = msf2sec(ti[numtracks].start) + 2 * 75;
- sec2msf(t, ti[numtracks].start);
-
- // If we've already seen another track, this is its end
- if (numtracks > 1) {
- t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
- sec2msf(t, ti[numtracks - 1].length);
- }
- }
- }
-
- fclose(fi);
-
- // 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;
- sec2msf(t, ti[numtracks].length);
- }
-
- return 0;
-}
-
-// this function tries to get the .ccd file of the given .img
-// the necessary data is put into the ti (trackinformation)-array
-static int parseccd(const char *isofile) {
- char ccdname[MAXPATHLEN];
- FILE *fi;
- char linebuf[256];
- unsigned int t;
-
- numtracks = 0;
-
- // copy name of the iso and change extension from .img to .ccd
- strncpy(ccdname, isofile, sizeof(ccdname));
- ccdname[MAXPATHLEN - 1] = '\0';
- if (strlen(ccdname) >= 4) {
- strcpy(ccdname + strlen(ccdname) - 4, ".ccd");
- }
- else {
- return -1;
- }
-
- if ((fi = fopen(ccdname, "r")) == NULL) {
- return -1;
- }
-
- memset(&ti, 0, sizeof(ti));
-
- while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
- if (!strncmp(linebuf, "[TRACK", 6)){
- numtracks++;
- }
- else if (!strncmp(linebuf, "MODE=", 5)) {
- sscanf(linebuf, "MODE=%d", &t);
- ti[numtracks].type = ((t == 0) ? CDDA : DATA);
- }
- else if (!strncmp(linebuf, "INDEX 1=", 8)) {
- sscanf(linebuf, "INDEX 1=%d", &t);
- sec2msf(t + 2 * 75, ti[numtracks].start);
-
- // If we've already seen another track, this is its end
- if (numtracks > 1) {
- t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
- sec2msf(t, ti[numtracks - 1].length);
- }
- }
- }
-
- fclose(fi);
-
- // 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;
- sec2msf(t, ti[numtracks].length);
- }
-
- return 0;
-}
-
-// this function tries to get the .mds file of the given .mdf
-// the necessary data is put into the ti (trackinformation)-array
-static int parsemds(const char *isofile) {
- char mdsname[MAXPATHLEN];
- FILE *fi;
- unsigned int offset, extra_offset, l, i;
- unsigned short s;
-
- numtracks = 0;
-
- // copy name of the iso and change extension from .mdf to .mds
- strncpy(mdsname, isofile, sizeof(mdsname));
- mdsname[MAXPATHLEN - 1] = '\0';
- if (strlen(mdsname) >= 4) {
- strcpy(mdsname + strlen(mdsname) - 4, ".mds");
- }
- else {
- return -1;
- }
-
- if ((fi = fopen(mdsname, "rb")) == NULL) {
- return -1;
- }
-
- memset(&ti, 0, sizeof(ti));
-
- // check if it's a valid mds file
- fread(&i, 1, sizeof(unsigned int), fi);
- i = SWAP32(i);
- if (i != 0x4944454D) {
- // not an valid mds file
- fclose(fi);
- return -1;
- }
-
- // get offset to session block
- fseek(fi, 0x50, SEEK_SET);
- fread(&offset, 1, sizeof(unsigned int), fi);
- offset = SWAP32(offset);
-
- // get total number of tracks
- offset += 14;
- fseek(fi, offset, SEEK_SET);
- fread(&s, 1, sizeof(unsigned short), fi);
- s = SWAP16(s);
- numtracks = s;
-
- // get offset to track blocks
- fseek(fi, 4, SEEK_CUR);
- fread(&offset, 1, sizeof(unsigned int), fi);
- offset = SWAP32(offset);
-
- // skip lead-in data
- while (1) {
- fseek(fi, offset + 4, SEEK_SET);
- if (fgetc(fi) < 0xA0) {
- break;
- }
- offset += 0x50;
- }
-
- // check if the image contains mixed subchannel data
- fseek(fi, offset + 1, SEEK_SET);
- subChanMixed = (fgetc(fi) ? TRUE : FALSE);
-
- // read track data
- for (i = 1; i <= numtracks; i++) {
- fseek(fi, offset, SEEK_SET);
-
- // get the track type
- ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA);
- fseek(fi, 8, SEEK_CUR);
-
- // get the track starting point
- ti[i].start[0] = fgetc(fi);
- ti[i].start[1] = fgetc(fi);
- ti[i].start[2] = fgetc(fi);
-
- if (i > 1) {
- l = msf2sec(ti[i].start);
- sec2msf(l - 2 * 75, ti[i].start); // ???
- }
-
- // get the track length
- fread(&extra_offset, 1, sizeof(unsigned int), fi);
- extra_offset = SWAP32(extra_offset);
-
- fseek(fi, extra_offset + 4, SEEK_SET);
- fread(&l, 1, sizeof(unsigned int), fi);
- l = SWAP32(l);
- sec2msf(l, ti[i].length);
-
- offset += 0x50;
- }
-
- fclose(fi);
- return 0;
-}
-
-// this function tries to get the .sub file of the given .img
-static int opensubfile(const char *isoname) {
- char subname[MAXPATHLEN];
-
- // copy name of the iso and change extension from .img to .sub
- strncpy(subname, isoname, sizeof(subname));
- subname[MAXPATHLEN - 1] = '\0';
- if (strlen(subname) >= 4) {
- strcpy(subname + strlen(subname) - 4, ".sub");
- }
- else {
- return -1;
- }
-
- subHandle = fopen(subname, "rb");
- if (subHandle == NULL) {
- return -1;
- }
-
- return 0;
-}
-
-long CALLBACK ISOinit(void) {
- assert(cdHandle == NULL);
- assert(subHandle == NULL);
-
- return 0; // do nothing
-}
-
-static long CALLBACK ISOshutdown(void) {
- if (cdHandle != NULL) {
- fclose(cdHandle);
- cdHandle = NULL;
- }
- if (subHandle != NULL) {
- fclose(subHandle);
- subHandle = NULL;
- }
- stopCDDA();
- return 0;
-}
-
-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"),
- 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) {
- u32 modeTest = 0;
-
- if (cdHandle != NULL) {
- return 0; // it's already open
- }
-
- cdHandle = fopen(GetIsoFile(), "rb");
- if (cdHandle == NULL) {
- return -1;
- }
-
- SysPrintf(_("Loaded CD Image: %s"), GetIsoFile());
-
- cddaBigEndian = FALSE;
- subChanMixed = FALSE;
- subChanRaw = FALSE;
- isMode1ISO = FALSE;
-
- if (parseccd(GetIsoFile()) == 0) {
- SysPrintf("[+ccd]");
- }
- else if (parsemds(GetIsoFile()) == 0) {
- SysPrintf("[+mds]");
- }
- else if (parsecue(GetIsoFile()) == 0) {
- SysPrintf("[+cue]");
- }
- else if (parsetoc(GetIsoFile()) == 0) {
- SysPrintf("[+toc]");
- } else {
- //guess whether it is mode1/2048
- fseek(cdHandle, 0, SEEK_END);
- if(ftell(cdHandle) % 2048 == 0) {
- fseek(cdHandle, 0, SEEK_SET);
- fread(&modeTest, 4, 1, cdHandle);
- if(SWAP32(modeTest)!=0xffffff00) isMode1ISO = TRUE;
- }
- fseek(cdHandle, 0, SEEK_SET);
- }
-
- if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
- SysPrintf("[+sub]");
- }
-
- SysPrintf(".\n");
-
- PrintTracks();
-
- return 0;
-}
-
-static long CALLBACK ISOclose(void) {
- if (cdHandle != NULL) {
- fclose(cdHandle);
- cdHandle = NULL;
- }
- if (subHandle != NULL) {
- fclose(subHandle);
- subHandle = NULL;
- }
- stopCDDA();
- return 0;
-}
-
-// return Starting and Ending Track
-// buffer:
-// byte 0 - start track
-// byte 1 - end track
-static long CALLBACK ISOgetTN(unsigned char *buffer) {
- buffer[0] = 1;
-
- if (numtracks > 0) {
- buffer[1] = numtracks;
- }
- else {
- buffer[1] = 1;
- }
-
- return 0;
-}
-
-// return Track Time
-// buffer:
-// byte 0 - frame
-// byte 1 - second
-// byte 2 - minute
-static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
- if( track == 0 ) {
- unsigned int pos, size;
- unsigned char time[3];
-
- // Vib Ribbon: return size of CD
- // - ex. 20 min, 22 sec, 66 fra
- pos = ftell( cdHandle );
- fseek( cdHandle, 0, SEEK_END );
- size = ftell( cdHandle );
- fseek( cdHandle, pos, SEEK_SET );
-
- // relative -> absolute time (+2 seconds)
- size += 150 * 2352;
-
- sec2msf( size / 2352, time );
- buffer[2] = time[0];
- buffer[1] = time[1];
- buffer[0] = time[2];
- }
- else if (numtracks > 0 && track <= numtracks) {
- buffer[2] = ti[track].start[0];
- buffer[1] = ti[track].start[1];
- buffer[0] = ti[track].start[2];
- }
- else {
- buffer[2] = 0;
- buffer[1] = 2;
- buffer[0] = 0;
- }
-
- return 0;
-}
-
-// decode 'raw' subchannel data ripped by cdrdao
-static void DecodeRawSubData(void) {
- unsigned char subQData[12];
- int i;
-
- memset(subQData, 0, sizeof(subQData));
-
- for (i = 0; i < 8 * 12; i++) {
- if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed
- subQData[i >> 3] |= (1 << (7 - (i & 7)));
- }
- }
-
- memcpy(&subbuffer[12], subQData, 12);
-}
-
-// read track
-// time: byte 0 - minute; byte 1 - second; byte 2 - frame
-// uses bcd format
-static long CALLBACK ISOreadTrack(unsigned char *time) {
- if (cdHandle == NULL) {
- return -1;
- }
-
- if (subChanMixed) {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET);
- fread(cdbuffer, 1, CD_FRAMESIZE_RAW, cdHandle);
- fread(subbuffer, 1, SUB_FRAMESIZE, cdHandle);
-
- if (subChanRaw) DecodeRawSubData();
- }
- else {
- if(isMode1ISO) {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * MODE1_DATA_SIZE, SEEK_SET);
- fread(cdbuffer + 12, 1, MODE1_DATA_SIZE, cdHandle);
- memset(cdbuffer, 0, 12); //not really necessary, fake mode 2 header
- cdbuffer[0] = (time[0]);
- cdbuffer[1] = (time[1]);
- cdbuffer[2] = (time[2]);
- cdbuffer[3] = 1; //mode 1
- } else {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * CD_FRAMESIZE_RAW, SEEK_SET);
- fread(cdbuffer, 1, CD_FRAMESIZE_RAW, cdHandle);
- }
-
- if (subHandle != NULL) {
- fseek(subHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * 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+12;
-}
-
-// 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) {
- if (SPU_playCDDAchannel != NULL) {
- if (subChanMixed) {
- startCDDA(MSF2SECT(time[0], time[1], time[2]) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE));
- }
- else {
- startCDDA(MSF2SECT(time[0], time[1], time[2]) * CD_FRAMESIZE_RAW);
- }
- }
- return 0;
-}
-
-// stops cdda audio
-static long CALLBACK ISOstop(void) {
- stopCDDA();
- return 0;
-}
-
-// gets subchannel data
-static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if (subHandle != NULL || subChanMixed) {
- return subbuffer;
- }
-
- return NULL;
-}
-
-static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- u32 sect;
-
- CDR__getStatus(stat);
-
- if (playing) {
- stat->Status |= 0x80;
- }
-
- // relative -> absolute time
- sect = cddaCurOffset / CD_FRAMESIZE_RAW + 150;
- sec2msf(sect, (u8 *)stat->Time);
-
- // BIOS - boot ID (CD type)
- stat->Type = ti[1].type;
-
- return 0;
-}
-
-// read CDDA sector into buffer
-long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) {
- unsigned char msf[3] = {m, s, f};
- unsigned char *p;
-
- msf[0] = itob(msf[0]);
- msf[1] = itob(msf[1]);
- msf[2] = itob(msf[2]);
-
- if (ISOreadTrack(msf) != 0) return -1;
-
- p = ISOgetBuffer();
- if (p == NULL) return -1;
-
- memcpy(buffer, p - 12, CD_FRAMESIZE_RAW); // copy from the beginning of the sector
-
- 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;
-}
-
-void cdrIsoInit(void) {
- CDR_init = ISOinit;
- CDR_shutdown = ISOshutdown;
- CDR_open = ISOopen;
- CDR_close = ISOclose;
- CDR_getTN = ISOgetTN;
- CDR_getTD = ISOgetTD;
- CDR_readTrack = ISOreadTrack;
- CDR_getBuffer = ISOgetBuffer;
- CDR_play = ISOplay;
- CDR_stop = ISOstop;
- CDR_getBufferSub = ISOgetBufferSub;
- CDR_getStatus = ISOgetStatus;
- CDR_readCDDA = ISOreadCDDA;
-
- CDR_getDriveLetter = CDR__getDriveLetter;
- CDR_configure = CDR__configure;
- CDR_test = CDR__test;
- CDR_about = CDR__about;
- CDR_setfilename = CDR__setfilename;
-
- numtracks = 0;
-}
-
-int cdrIsoActive(void) {
- return (cdHandle != NULL);
-}
+/***************************************************************************
+ * Copyright (C) 2007 PCSX-df Team *
+ * Copyright (C) 2009 Wei Mingzhi *
+ * *
+ * 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 *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * 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 02110-1301 USA. *
+ ***************************************************************************/
+
+#include "psxcommon.h"
+#include "plugins.h"
+#include "cdrom.h"
+#include "cdriso.h"
+
+#ifdef _WIN32
+#include <process.h>
+#include <windows.h>
+#else
+#include <pthread.h>
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+static FILE *cdHandle = NULL;
+static FILE *cddaHandle = NULL;
+static FILE *subHandle = NULL;
+
+static boolean subChanMixed = FALSE;
+static boolean subChanRaw = 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)
+
+
+#define MODE1_DATA_SIZE 2048
+
+static boolean isMode1ISO = FALSE;
+
+
+#ifdef _WIN32
+static HANDLE threadid;
+#else
+static pthread_t threadid;
+#endif
+static unsigned int initial_offset = 0;
+static volatile boolean playing = FALSE;
+static boolean cddaBigEndian = FALSE;
+static volatile unsigned int cddaCurOffset = 0;
+
+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);
+
+extern void *hCDRDriver;
+
+struct trackinfo {
+ enum {DATA=1, CDDA} type;
+ u8 start[3]; // MSF-format
+ u8 length[3]; // MSF-format
+};
+
+#define MAXTRACKS 100 /* How many tracks can a CD hold? */
+
+static int numtracks = 0;
+static struct trackinfo ti[MAXTRACKS];
+
+// get a sector from a msf-array
+unsigned int msf2sec(char *msf) {
+ return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
+}
+
+void sec2msf(unsigned int s, char *msf) {
+ msf[0] = s / 75 / 60;
+ s = s - msf[0] * 75 * 60;
+ msf[1] = s / 75;
+ s = s - msf[1] * 75;
+ msf[2] = s;
+}
+
+// divide a string of xx:yy:zz into m, s, f
+static void tok2msf(char *time, char *msf) {
+ char *token;
+
+ token = strtok(time, ":");
+ if (token) {
+ msf[0] = atoi(token);
+ }
+ else {
+ msf[0] = 0;
+ }
+
+ token = strtok(NULL, ":");
+ if (token) {
+ msf[1] = atoi(token);
+ }
+ else {
+ msf[1] = 0;
+ }
+
+ token = strtok(NULL, ":");
+ if (token) {
+ msf[2] = atoi(token);
+ }
+ else {
+ msf[2] = 0;
+ }
+}
+
+#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
+
+
+u16 *iso_play_cdbuf;
+u16 iso_play_bufptr;
+
+
+// this thread plays audio data
+#ifdef _WIN32
+static void playthread(void *param)
+#else
+static void *playthread(void *param)
+#endif
+{
+ long d, t, i, s;
+ unsigned char tmp;
+ int sec;
+
+ t = GetTickCount();
+
+ iso_play_cdbuf = 0;
+ iso_play_bufptr = 0;
+
+ 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
+
+ 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) {
+ break;
+ }
+
+ s += d;
+
+ fread( subbuffer, 1, SUB_FRAMESIZE, cddaHandle );
+ }
+ }
+ else {
+ s = fread(sndbuffer, 1, sizeof(sndbuffer), cddaHandle);
+
+ sec = cddaCurOffset / CD_FRAMESIZE_RAW;
+
+ if (subHandle != NULL) {
+ fseek(subHandle, sec * SUB_FRAMESIZE, SEEK_SET);
+ fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+ }
+ }
+
+ if (s == 0) {
+ playing = FALSE;
+ fclose(cddaHandle);
+ cddaHandle = NULL;
+ 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;
+ }
+ }
+
+ // wipe data track
+ if( subHandle || subChanMixed ) {
+ if( ti[ ((struct SubQ *) subbuffer)->TrackNumber ].type == DATA )
+ memset( sndbuffer, 0, s );
+ }
+
+ SPU_playCDDAchannel((short *)sndbuffer, s);
+ }
+
+
+ cddaCurOffset += s;
+
+
+ // BIOS CD Player: Fast forward / reverse seek
+ if( cdr.FastForward ) {
+ // ~+0.25 sec
+ cddaCurOffset += CD_FRAMESIZE_RAW * 75 * 3;
+
+#if 0
+ // Bad idea: too much static
+ if( subChanInterleaved )
+ fseek( cddaHandle, s * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET );
+ else
+ fseek( cddaHandle, s * CD_FRAMESIZE_RAW, SEEK_SET );
+#endif
+ }
+ else if( cdr.FastBackward ) {
+ // ~-0.25 sec
+ cddaCurOffset -= CD_FRAMESIZE_RAW * 75 * 3;
+ if( cddaCurOffset & 0x80000000 ) {
+ cddaCurOffset = 0;
+ cdr.FastBackward = 0;
+
+ playing = 0;
+ fclose(cddaHandle);
+ cddaHandle = NULL;
+ initial_offset = 0;
+ break;
+ }
+
+#if 0
+ // Bad idea: too much static
+ if( subChanInterleaved )
+ fseek( cddaHandle, s * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET );
+ else
+ fseek( cddaHandle, s * CD_FRAMESIZE_RAW, SEEK_SET );
+#endif
+ }
+
+
+ // Vib Ribbon: decoded buffer IRQ
+ iso_play_cdbuf = (u16 *)sndbuffer;
+ iso_play_bufptr = 0;
+ }
+
+#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
+
+ if (cddaHandle != NULL) {
+ fclose(cddaHandle);
+ cddaHandle = NULL;
+ }
+
+ initial_offset = 0;
+}
+
+// start the CDDA playback
+static void startCDDA(unsigned int offset) {
+ if (playing) {
+ if (initial_offset == offset) {
+ return;
+ }
+ stopCDDA();
+ }
+
+ cddaHandle = fopen(GetIsoFile(), "rb");
+ if (cddaHandle == NULL) {
+ return;
+ }
+
+ initial_offset = offset;
+ cddaCurOffset = initial_offset;
+ fseek(cddaHandle, initial_offset, SEEK_SET);
+
+ 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) {
+ char tocname[MAXPATHLEN];
+ FILE *fi;
+ char linebuf[256], dummy[256], name[256];
+ char *token;
+ char time[20], time2[20];
+ unsigned int t;
+
+ numtracks = 0;
+
+ // copy name of the iso and change extension from .bin to .toc
+ strncpy(tocname, isofile, sizeof(tocname));
+ tocname[MAXPATHLEN - 1] = '\0';
+ if (strlen(tocname) >= 4) {
+ strcpy(tocname + strlen(tocname) - 4, ".toc");
+ }
+ else {
+ return -1;
+ }
+
+ if ((fi = fopen(tocname, "r")) == NULL) {
+ // try changing extension to .cue (to satisfy some stupid tutorials)
+ strcpy(tocname + strlen(tocname) - 4, ".cue");
+ if ((fi = fopen(tocname, "r")) == NULL) {
+ // if filename is image.toc.bin, try removing .bin (for Brasero)
+ strcpy(tocname, isofile);
+ t = strlen(tocname);
+ if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) {
+ tocname[t - 4] = '\0';
+ if ((fi = fopen(tocname, "r")) == NULL) {
+ return -1;
+ }
+ }
+ else {
+ return -1;
+ }
+ }
+ }
+
+ memset(&ti, 0, sizeof(ti));
+ cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio
+
+ // parse the .toc file
+ while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
+ // search for tracks
+ strncpy(dummy, linebuf, sizeof(linebuf));
+ token = strtok(dummy, " ");
+
+ if (token == NULL) continue;
+
+ if (!strcmp(token, "TRACK")) {
+ // get type of track
+ token = strtok(NULL, " ");
+ numtracks++;
+
+ if (!strncmp(token, "MODE2_RAW", 9)) {
+ ti[numtracks].type = DATA;
+ sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0
+
+ // check if this image contains mixed subchannel data
+ token = strtok(NULL, " ");
+ if (token != NULL && !strncmp(token, "RW_RAW", 6)) {
+ subChanMixed = TRUE;
+ subChanRaw = TRUE;
+ }
+ }
+ else if (!strncmp(token, "AUDIO", 5)) {
+ ti[numtracks].type = CDDA;
+ }
+ }
+ 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);
+ t += 2 * 75;
+ sec2msf(t, (char *)&ti[numtracks].start);
+ tok2msf((char *)&time2, (char *)&ti[numtracks].length);
+ }
+ else {
+ sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time);
+ tok2msf((char *)&time, (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) + 2 * 75;
+ sec2msf(t, (char *)&ti[numtracks].start);
+ tok2msf((char *)&time2, (char *)&ti[numtracks].length);
+ }
+ }
+
+ fclose(fi);
+
+ return 0;
+}
+
+// this function tries to get the .cue file of the given .bin
+// the necessary data is put into the ti (trackinformation)-array
+static int parsecue(const char *isofile) {
+ char cuename[MAXPATHLEN];
+ FILE *fi;
+ char *token;
+ char time[20];
+ char *tmp;
+ char linebuf[256], dummy[256];
+ unsigned int t;
+
+ numtracks = 0;
+
+ // 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 {
+ return -1;
+ }
+
+ if ((fi = fopen(cuename, "r")) == NULL) {
+ return -1;
+ }
+
+ // Some stupid tutorials wrongly tell users to use cdrdao to rip a
+ // "bin/cue" image, which is in fact a "bin/toc" image. So let's check
+ // that...
+ if (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
+ 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);
+ return parsetoc(isofile);
+ }
+ fseek(fi, 0, SEEK_SET);
+ }
+
+ memset(&ti, 0, sizeof(ti));
+
+ while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
+ strncpy(dummy, linebuf, sizeof(linebuf));
+ token = strtok(dummy, " ");
+
+ if (token == NULL) {
+ continue;
+ }
+
+ if (!strcmp(token, "TRACK")){
+ numtracks++;
+
+ if (strstr(linebuf, "AUDIO") != NULL) {
+ ti[numtracks].type = CDDA;
+ }
+ else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) {
+ ti[numtracks].type = DATA;
+ }
+ }
+ else if (!strcmp(token, "INDEX")) {
+ tmp = strstr(linebuf, "INDEX");
+ if (tmp != NULL) {
+ tmp += strlen("INDEX") + 3; // 3 - space + numeric index
+ while (*tmp == ' ') tmp++;
+ if (*tmp != '\n') sscanf(tmp, "%8s", time);
+ }
+
+ tok2msf((char *)&time, (char *)&ti[numtracks].start);
+
+ t = msf2sec(ti[numtracks].start) + 2 * 75;
+ sec2msf(t, ti[numtracks].start);
+
+ // If we've already seen another track, this is its end
+ if (numtracks > 1) {
+ t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
+ sec2msf(t, ti[numtracks - 1].length);
+ }
+ }
+ }
+
+ fclose(fi);
+
+ // 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;
+ sec2msf(t, ti[numtracks].length);
+ }
+
+ return 0;
+}
+
+// this function tries to get the .ccd file of the given .img
+// the necessary data is put into the ti (trackinformation)-array
+static int parseccd(const char *isofile) {
+ char ccdname[MAXPATHLEN];
+ FILE *fi;
+ char linebuf[256];
+ unsigned int t;
+
+ numtracks = 0;
+
+ // copy name of the iso and change extension from .img to .ccd
+ strncpy(ccdname, isofile, sizeof(ccdname));
+ ccdname[MAXPATHLEN - 1] = '\0';
+ if (strlen(ccdname) >= 4) {
+ strcpy(ccdname + strlen(ccdname) - 4, ".ccd");
+ }
+ else {
+ return -1;
+ }
+
+ if ((fi = fopen(ccdname, "r")) == NULL) {
+ return -1;
+ }
+
+ memset(&ti, 0, sizeof(ti));
+
+ while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
+ if (!strncmp(linebuf, "[TRACK", 6)){
+ numtracks++;
+ }
+ else if (!strncmp(linebuf, "MODE=", 5)) {
+ sscanf(linebuf, "MODE=%d", &t);
+ ti[numtracks].type = ((t == 0) ? CDDA : DATA);
+ }
+ else if (!strncmp(linebuf, "INDEX 1=", 8)) {
+ sscanf(linebuf, "INDEX 1=%d", &t);
+ sec2msf(t + 2 * 75, ti[numtracks].start);
+
+ // If we've already seen another track, this is its end
+ if (numtracks > 1) {
+ t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
+ sec2msf(t, ti[numtracks - 1].length);
+ }
+ }
+ }
+
+ fclose(fi);
+
+ // 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;
+ sec2msf(t, ti[numtracks].length);
+ }
+
+ return 0;
+}
+
+// this function tries to get the .mds file of the given .mdf
+// the necessary data is put into the ti (trackinformation)-array
+static int parsemds(const char *isofile) {
+ char mdsname[MAXPATHLEN];
+ FILE *fi;
+ unsigned int offset, extra_offset, l, i;
+ unsigned short s;
+
+ numtracks = 0;
+
+ // copy name of the iso and change extension from .mdf to .mds
+ strncpy(mdsname, isofile, sizeof(mdsname));
+ mdsname[MAXPATHLEN - 1] = '\0';
+ if (strlen(mdsname) >= 4) {
+ strcpy(mdsname + strlen(mdsname) - 4, ".mds");
+ }
+ else {
+ return -1;
+ }
+
+ if ((fi = fopen(mdsname, "rb")) == NULL) {
+ return -1;
+ }
+
+ memset(&ti, 0, sizeof(ti));
+
+ // check if it's a valid mds file
+ fread(&i, 1, sizeof(unsigned int), fi);
+ i = SWAP32(i);
+ if (i != 0x4944454D) {
+ // not an valid mds file
+ fclose(fi);
+ return -1;
+ }
+
+ // get offset to session block
+ fseek(fi, 0x50, SEEK_SET);
+ fread(&offset, 1, sizeof(unsigned int), fi);
+ offset = SWAP32(offset);
+
+ // get total number of tracks
+ offset += 14;
+ fseek(fi, offset, SEEK_SET);
+ fread(&s, 1, sizeof(unsigned short), fi);
+ s = SWAP16(s);
+ numtracks = s;
+
+ // get offset to track blocks
+ fseek(fi, 4, SEEK_CUR);
+ fread(&offset, 1, sizeof(unsigned int), fi);
+ offset = SWAP32(offset);
+
+ // skip lead-in data
+ while (1) {
+ fseek(fi, offset + 4, SEEK_SET);
+ if (fgetc(fi) < 0xA0) {
+ break;
+ }
+ offset += 0x50;
+ }
+
+ // check if the image contains mixed subchannel data
+ fseek(fi, offset + 1, SEEK_SET);
+ subChanMixed = (fgetc(fi) ? TRUE : FALSE);
+
+ // read track data
+ for (i = 1; i <= numtracks; i++) {
+ fseek(fi, offset, SEEK_SET);
+
+ // get the track type
+ ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA);
+ fseek(fi, 8, SEEK_CUR);
+
+ // get the track starting point
+ ti[i].start[0] = fgetc(fi);
+ ti[i].start[1] = fgetc(fi);
+ ti[i].start[2] = fgetc(fi);
+
+ if (i > 1) {
+ l = msf2sec(ti[i].start);
+ sec2msf(l - 2 * 75, ti[i].start); // ???
+ }
+
+ // get the track length
+ fread(&extra_offset, 1, sizeof(unsigned int), fi);
+ extra_offset = SWAP32(extra_offset);
+
+ fseek(fi, extra_offset + 4, SEEK_SET);
+ fread(&l, 1, sizeof(unsigned int), fi);
+ l = SWAP32(l);
+ sec2msf(l, ti[i].length);
+
+ offset += 0x50;
+ }
+
+ fclose(fi);
+ return 0;
+}
+
+// this function tries to get the .sub file of the given .img
+static int opensubfile(const char *isoname) {
+ char subname[MAXPATHLEN];
+
+ // copy name of the iso and change extension from .img to .sub
+ strncpy(subname, isoname, sizeof(subname));
+ subname[MAXPATHLEN - 1] = '\0';
+ if (strlen(subname) >= 4) {
+ strcpy(subname + strlen(subname) - 4, ".sub");
+ }
+ else {
+ return -1;
+ }
+
+ subHandle = fopen(subname, "rb");
+ if (subHandle == NULL) {
+ return -1;
+ }
+
+ return 0;
+}
+
+long CALLBACK ISOinit(void) {
+ assert(cdHandle == NULL);
+ assert(subHandle == NULL);
+
+ return 0; // do nothing
+}
+
+static long CALLBACK ISOshutdown(void) {
+ if (cdHandle != NULL) {
+ fclose(cdHandle);
+ cdHandle = NULL;
+ }
+ if (subHandle != NULL) {
+ fclose(subHandle);
+ subHandle = NULL;
+ }
+ stopCDDA();
+ return 0;
+}
+
+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"),
+ 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) {
+ u32 modeTest = 0;
+
+ if (cdHandle != NULL) {
+ return 0; // it's already open
+ }
+
+ cdHandle = fopen(GetIsoFile(), "rb");
+ if (cdHandle == NULL) {
+ return -1;
+ }
+
+ SysPrintf(_("Loaded CD Image: %s"), GetIsoFile());
+
+ cddaBigEndian = FALSE;
+ subChanMixed = FALSE;
+ subChanRaw = FALSE;
+ isMode1ISO = FALSE;
+
+ if (parseccd(GetIsoFile()) == 0) {
+ SysPrintf("[+ccd]");
+ }
+ else if (parsemds(GetIsoFile()) == 0) {
+ SysPrintf("[+mds]");
+ }
+ else if (parsecue(GetIsoFile()) == 0) {
+ SysPrintf("[+cue]");
+ }
+ else if (parsetoc(GetIsoFile()) == 0) {
+ SysPrintf("[+toc]");
+ } else {
+ //guess whether it is mode1/2048
+ fseek(cdHandle, 0, SEEK_END);
+ if(ftell(cdHandle) % 2048 == 0) {
+ fseek(cdHandle, 0, SEEK_SET);
+ fread(&modeTest, 4, 1, cdHandle);
+ if(SWAP32(modeTest)!=0xffffff00) isMode1ISO = TRUE;
+ }
+ fseek(cdHandle, 0, SEEK_SET);
+ }
+
+ if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
+ SysPrintf("[+sub]");
+ }
+
+ SysPrintf(".\n");
+
+ PrintTracks();
+
+ return 0;
+}
+
+static long CALLBACK ISOclose(void) {
+ if (cdHandle != NULL) {
+ fclose(cdHandle);
+ cdHandle = NULL;
+ }
+ if (subHandle != NULL) {
+ fclose(subHandle);
+ subHandle = NULL;
+ }
+ stopCDDA();
+ return 0;
+}
+
+// return Starting and Ending Track
+// buffer:
+// byte 0 - start track
+// byte 1 - end track
+static long CALLBACK ISOgetTN(unsigned char *buffer) {
+ buffer[0] = 1;
+
+ if (numtracks > 0) {
+ buffer[1] = numtracks;
+ }
+ else {
+ buffer[1] = 1;
+ }
+
+ return 0;
+}
+
+// return Track Time
+// buffer:
+// byte 0 - frame
+// byte 1 - second
+// byte 2 - minute
+static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
+ if( track == 0 ) {
+ unsigned int pos, size;
+ unsigned char time[3];
+
+ // Vib Ribbon: return size of CD
+ // - ex. 20 min, 22 sec, 66 fra
+ pos = ftell( cdHandle );
+ fseek( cdHandle, 0, SEEK_END );
+ size = ftell( cdHandle );
+ fseek( cdHandle, pos, SEEK_SET );
+
+ // relative -> absolute time (+2 seconds)
+ size += 150 * 2352;
+
+ sec2msf( size / 2352, time );
+ buffer[2] = time[0];
+ buffer[1] = time[1];
+ buffer[0] = time[2];
+ }
+ else if (numtracks > 0 && track <= numtracks) {
+ buffer[2] = ti[track].start[0];
+ buffer[1] = ti[track].start[1];
+ buffer[0] = ti[track].start[2];
+ }
+ else {
+ buffer[2] = 0;
+ buffer[1] = 2;
+ buffer[0] = 0;
+ }
+
+ return 0;
+}
+
+// decode 'raw' subchannel data ripped by cdrdao
+static void DecodeRawSubData(void) {
+ unsigned char subQData[12];
+ int i;
+
+ memset(subQData, 0, sizeof(subQData));
+
+ for (i = 0; i < 8 * 12; i++) {
+ if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed
+ subQData[i >> 3] |= (1 << (7 - (i & 7)));
+ }
+ }
+
+ memcpy(&subbuffer[12], subQData, 12);
+}
+
+// read track
+// time: byte 0 - minute; byte 1 - second; byte 2 - frame
+// uses bcd format
+static long CALLBACK ISOreadTrack(unsigned char *time) {
+ if (cdHandle == NULL) {
+ return -1;
+ }
+
+ if (subChanMixed) {
+ fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET);
+ fread(cdbuffer, 1, CD_FRAMESIZE_RAW, cdHandle);
+ fread(subbuffer, 1, SUB_FRAMESIZE, cdHandle);
+
+ if (subChanRaw) DecodeRawSubData();
+ }
+ else {
+ if(isMode1ISO) {
+ fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * MODE1_DATA_SIZE, SEEK_SET);
+ fread(cdbuffer + 12, 1, MODE1_DATA_SIZE, cdHandle);
+ memset(cdbuffer, 0, 12); //not really necessary, fake mode 2 header
+ cdbuffer[0] = (time[0]);
+ cdbuffer[1] = (time[1]);
+ cdbuffer[2] = (time[2]);
+ cdbuffer[3] = 1; //mode 1
+ } else {
+ fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * CD_FRAMESIZE_RAW, SEEK_SET);
+ fread(cdbuffer, 1, CD_FRAMESIZE_RAW, cdHandle);
+ }
+
+ if (subHandle != NULL) {
+ fseek(subHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * 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+12;
+}
+
+// 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) {
+ if (SPU_playCDDAchannel != NULL) {
+ if (subChanMixed) {
+ startCDDA(MSF2SECT(time[0], time[1], time[2]) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE));
+ }
+ else {
+ startCDDA(MSF2SECT(time[0], time[1], time[2]) * CD_FRAMESIZE_RAW);
+ }
+ }
+ return 0;
+}
+
+// stops cdda audio
+static long CALLBACK ISOstop(void) {
+ stopCDDA();
+ return 0;
+}
+
+// gets subchannel data
+static unsigned char* CALLBACK ISOgetBufferSub(void) {
+ if (subHandle != NULL || subChanMixed) {
+ return subbuffer;
+ }
+
+ return NULL;
+}
+
+static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
+ u32 sect;
+
+ CDR__getStatus(stat);
+
+ if (playing) {
+ stat->Status |= 0x80;
+ }
+
+ // relative -> absolute time
+ sect = cddaCurOffset / CD_FRAMESIZE_RAW + 150;
+ sec2msf(sect, (u8 *)stat->Time);
+
+ // BIOS - boot ID (CD type)
+ stat->Type = ti[1].type;
+
+ return 0;
+}
+
+// read CDDA sector into buffer
+long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) {
+ unsigned char msf[3] = {m, s, f};
+ unsigned char *p;
+
+ msf[0] = itob(msf[0]);
+ msf[1] = itob(msf[1]);
+ msf[2] = itob(msf[2]);
+
+ if (ISOreadTrack(msf) != 0) return -1;
+
+ p = ISOgetBuffer();
+ if (p == NULL) return -1;
+
+ memcpy(buffer, p - 12, CD_FRAMESIZE_RAW); // copy from the beginning of the sector
+
+ 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;
+}
+
+void cdrIsoInit(void) {
+ CDR_init = ISOinit;
+ CDR_shutdown = ISOshutdown;
+ CDR_open = ISOopen;
+ CDR_close = ISOclose;
+ CDR_getTN = ISOgetTN;
+ CDR_getTD = ISOgetTD;
+ CDR_readTrack = ISOreadTrack;
+ CDR_getBuffer = ISOgetBuffer;
+ CDR_play = ISOplay;
+ CDR_stop = ISOstop;
+ CDR_getBufferSub = ISOgetBufferSub;
+ CDR_getStatus = ISOgetStatus;
+ CDR_readCDDA = ISOreadCDDA;
+
+ CDR_getDriveLetter = CDR__getDriveLetter;
+ CDR_configure = CDR__configure;
+ CDR_test = CDR__test;
+ CDR_about = CDR__about;
+ CDR_setfilename = CDR__setfilename;
+
+ numtracks = 0;
+}
+
+int cdrIsoActive(void) {
+ return (cdHandle != NULL);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-21 06:59:10 +0000