X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fdfcdrom%2Fcdr.c;fp=plugins%2Fdfcdrom%2Fcdr.c;h=0000000000000000000000000000000000000000;hp=f011684d4c2dcf9878e49989a0f223a970708a7a;hb=f2bd6ff85d23f3e421b2f30f86080d71d4e95046;hpb=80c2304e511b5463b5046f7ff1c49103c786755f diff --git a/plugins/dfcdrom/cdr.c b/plugins/dfcdrom/cdr.c deleted file mode 100644 index f011684d..00000000 --- a/plugins/dfcdrom/cdr.c +++ /dev/null @@ -1,515 +0,0 @@ -/* - * Copyright (c) 2010, Wei Mingzhi . - * All Rights Reserved. - * - * Based on: Cdrom for Psemu Pro like Emulators - * By: linuzappz - * - * 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, see . - */ - -#include "cdr.h" - -#ifndef USE_NULL -static char *LibName = N_("CD-ROM Drive Reader"); -#else -static char *LibName = N_("CDR NULL Plugin"); -#endif - -int initial_time = 0; - -pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; -pthread_cond_t cond = PTHREAD_COND_INITIALIZER; - -CacheData *cdcache; -unsigned char *cdbuffer; -int cacheaddr; - -crdata cr; - -unsigned char lastTime[3]; -pthread_t thread; -int subqread; -volatile int stopth, found, locked, playing; - -long (*ReadTrackT[])() = { - ReadNormal, - ReadThreaded, -}; - -unsigned char* (*GetBufferT[])() = { - GetBNormal, - GetBThreaded, -}; - -long (*fReadTrack)(); -unsigned char* (*fGetBuffer)(); - -void *CdrThread(void *arg); - -long CDRinit(void) { - thread = (pthread_t)-1; - return 0; -} - -long CDRshutdown(void) { - return 0; -} - -long CDRopen(void) { - LoadConf(); - -#ifndef _MACOSX - if (IsCdHandleOpen()) - return 0; // it's already open -#endif - - if (OpenCdHandle(CdromDev) == -1) { // if we can't open the cdrom we'll works as a null plugin - fprintf(stderr, "CDR: Could not open %s\n", CdromDev); - } - - fReadTrack = ReadTrackT[ReadMode]; - fGetBuffer = GetBufferT[ReadMode]; - - if (ReadMode == THREADED) { - cdcache = (CacheData *)malloc(CacheSize * sizeof(CacheData)); - if (cdcache == NULL) return -1; - memset(cdcache, 0, CacheSize * sizeof(CacheData)); - - found = 0; - } else { - cdbuffer = cr.buf + 12; /* skip sync data */ - } - - if (ReadMode == THREADED) { - pthread_attr_t attr; - - pthread_mutex_init(&mut, NULL); - pthread_cond_init(&cond, NULL); - locked = 0; - - pthread_attr_init(&attr); - pthread_create(&thread, &attr, CdrThread, NULL); - - cacheaddr = -1; - } else thread = (pthread_t)-1; - - playing = 0; - stopth = 0; - initial_time = 0; - - return 0; -} - -long CDRclose(void) { - if (!IsCdHandleOpen()) return 0; - - if (playing) CDRstop(); - - CloseCdHandle(); - - if (thread != (pthread_t)-1) { - if (locked == 0) { - stopth = 1; - while (locked == 0) usleep(5000); - } - - stopth = 2; - pthread_mutex_lock(&mut); - pthread_cond_signal(&cond); - pthread_mutex_unlock(&mut); - - pthread_join(thread, NULL); - pthread_mutex_destroy(&mut); - pthread_cond_destroy(&cond); - } - - if (ReadMode == THREADED) { - free(cdcache); - } - - return 0; -} - -// return Starting and Ending Track -// buffer: -// byte 0 - start track -// byte 1 - end track -long CDRgetTN(unsigned char *buffer) { - long ret; - - if (!IsCdHandleOpen()) { - buffer[0] = 1; - buffer[1] = 1; - return 0; - } - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - ret = GetTN(buffer); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - return ret; -} - -// return Track Time -// buffer: -// byte 0 - frame -// byte 1 - second -// byte 2 - minute -long CDRgetTD(unsigned char track, unsigned char *buffer) { - long ret; - - if (!IsCdHandleOpen()) { - memset(buffer + 1, 0, 3); - return 0; - } - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - ret = GetTD(track, buffer); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - return ret; -} - -// normal reading -long ReadNormal() { - if (ReadSector(&cr) == -1) - return -1; - - return 0; -} - -unsigned char* GetBNormal() { - return cdbuffer; -} - -// threaded reading (with cache) -long ReadThreaded() { - int addr = msf_to_lba(cr.msf.cdmsf_min0, cr.msf.cdmsf_sec0, cr.msf.cdmsf_frame0); - int i; - - if (addr >= cacheaddr && addr < (cacheaddr + CacheSize) && cacheaddr != -1) { - i = addr - cacheaddr; - PRINTF("found %d\n", (addr - cacheaddr)); - cdbuffer = cdcache[i].cr.buf + 12; - while (btoi(cdbuffer[0]) != cr.msf.cdmsf_min0 || - btoi(cdbuffer[1]) != cr.msf.cdmsf_sec0 || - btoi(cdbuffer[2]) != cr.msf.cdmsf_frame0) { - if (locked == 1) { - if (cdcache[i].ret == 0) break; - return -1; - } - usleep(5000); - } - PRINTF("%x:%x:%x, %p, %p\n", cdbuffer[0], cdbuffer[1], cdbuffer[2], cdbuffer, cdcache); - found = 1; - - return 0; - } else found = 0; - - if (locked == 0) { - stopth = 1; - while (locked == 0) { usleep(5000); } - stopth = 0; - } - - // not found in cache - locked = 0; - pthread_mutex_lock(&mut); - pthread_cond_signal(&cond); - pthread_mutex_unlock(&mut); - - return 0; -} - -unsigned char* GetBThreaded() { - PRINTF("threadc %d\n", found); - - if (found == 1) return cdbuffer; - cdbuffer = cdcache[0].cr.buf + 12; - while (btoi(cdbuffer[0]) != cr.msf.cdmsf_min0 || - btoi(cdbuffer[1]) != cr.msf.cdmsf_sec0 || - btoi(cdbuffer[2]) != cr.msf.cdmsf_frame0) { - if (locked == 1) return NULL; - usleep(5000); - } - if (cdcache[0].ret == -1) return NULL; - - return cdbuffer; -} - -void *CdrThread(void *arg) { - unsigned char curTime[3]; - int i; - - for (;;) { - locked = 1; - pthread_mutex_lock(&mut); - pthread_cond_wait(&cond, &mut); - - if (stopth == 2) pthread_exit(NULL); - // refill the buffer - cacheaddr = msf_to_lba(cr.msf.cdmsf_min0, cr.msf.cdmsf_sec0, cr.msf.cdmsf_frame0); - - memcpy(curTime, &cr.msf, 3); - - PRINTF("start thc %d:%d:%d\n", curTime[0], curTime[1], curTime[2]); - - for (i = 0; i < CacheSize; i++) { - memcpy(&cdcache[i].cr.msf, curTime, 3); - PRINTF("reading %d:%d:%d\n", curTime[0], curTime[1], curTime[2]); - cdcache[i].ret = ReadSector(&cdcache[i].cr); - - PRINTF("readed %x:%x:%x\n", cdcache[i].cr.buf[12], cdcache[i].cr.buf[13], cdcache[i].cr.buf[14]); - if (cdcache[i].ret == -1) break; - - curTime[2]++; - if (curTime[2] == 75) { - curTime[2] = 0; - curTime[1]++; - if (curTime[1] == 60) { - curTime[1] = 0; - curTime[0]++; - } - } - - if (stopth) break; - } - - pthread_mutex_unlock(&mut); - } - - return NULL; -} - -// read track -// time: -// byte 0 - minute -// byte 1 - second -// byte 2 - frame -// uses bcd format -long CDRreadTrack(unsigned char *time) { - if (!IsCdHandleOpen()) { - memset(cr.buf, 0, DATA_SIZE); - return 0; - } - - PRINTF("CDRreadTrack %d:%d:%d\n", btoi(time[0]), btoi(time[1]), btoi(time[2])); - - if (UseSubQ) memcpy(lastTime, time, 3); - subqread = 0; - - cr.msf.cdmsf_min0 = btoi(time[0]); - cr.msf.cdmsf_sec0 = btoi(time[1]); - cr.msf.cdmsf_frame0 = btoi(time[2]); - - return fReadTrack(); -} - -// return readed track -unsigned char *CDRgetBuffer(void) { - return fGetBuffer(); -} - -// plays cdda audio -// sector: -// byte 0 - minute -// byte 1 - second -// byte 2 - frame -// does NOT uses bcd format -long CDRplay(unsigned char *sector) { - long ret; - - if (!IsCdHandleOpen()) - return 0; - - // If play was called with the same time as the previous call, - // don't restart it. Of course, if play is called with a different - // track, stop playing the current stream. - if (playing) { - if (msf_to_lba(sector[0], sector[1], sector[2]) == initial_time) - return 0; - else - CDRstop(); - } - - initial_time = msf_to_lba(sector[0], sector[1], sector[2]); - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - ret = PlayCDDA(sector); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - if (ret == 0) { - playing = 1; - return 0; - } - - return -1; -} - -// stops cdda audio -long CDRstop(void) { - long ret; - - if (!IsCdHandleOpen()) - return 0; - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - ret = StopCDDA(); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - if (ret == 0) { - playing = 0; - initial_time = 0; - - return 0; - } - - return -1; -} - -// reads cdr status -// type: -// 0x00 - unknown -// 0x01 - data -// 0x02 - audio -// 0xff - no cdrom -// status: (only shell open supported) -// 0x00 - unknown -// 0x01 - error -// 0x04 - seek error -// 0x10 - shell open -// 0x20 - reading -// 0x40 - seeking -// 0x80 - playing -// time: -// byte 0 - minute -// byte 1 - second -// byte 2 - frame - -long CDRgetStatus(struct CdrStat *stat) { - long ret; - - if (!IsCdHandleOpen()) - return -1; - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - ret = GetStatus(playing, stat); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - return ret; -} - -unsigned char *CDRgetBufferSub(void) { - static unsigned char *p = NULL; - - if (!UseSubQ) return NULL; - if (subqread) return p; - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - p = ReadSub(lastTime); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - if (p != NULL) subqread = 1; - - return p; -} - -// read CDDA sector into buffer -long CDRreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { - unsigned char msf[3] = {m, s, f}; - unsigned char *p; - - if (CDRreadTrack(msf) != 0) return -1; - - p = CDRgetBuffer(); - if (p == NULL) return -1; - - memcpy(buffer, p - 12, CD_FRAMESIZE_RAW); // copy from the beginning of the sector - return 0; -} - -// get Track End Time -long CDRgetTE(unsigned char track, unsigned char *m, unsigned char *s, unsigned char *f) { - long ret; - - if (!IsCdHandleOpen()) return -1; - - if (ReadMode == THREADED) pthread_mutex_lock(&mut); - ret = GetTE(track, m, s, f); - if (ReadMode == THREADED) pthread_mutex_unlock(&mut); - - return ret; -} - -#ifndef _MACOSX - -void ExecCfg(char *arg) { - char cfg[256]; - struct stat buf; - - strcpy(cfg, "./cfgDFCdrom"); - if (stat(cfg, &buf) != -1) { - if (fork() == 0) { - execl(cfg, "cfgDFCdrom", arg, NULL); - exit(0); - } - return; - } - - strcpy(cfg, "./cfg/DFCdrom"); - if (stat(cfg, &buf) != -1) { - if (fork() == 0) { - execl(cfg, "cfgDFCdrom", arg, NULL); - exit(0); - } - return; - } - - fprintf(stderr, "cfgDFCdrom file not found!\n"); -} - -long CDRconfigure() { -#ifndef USE_NULL - ExecCfg("configure"); -#endif - return 0; -} - -void CDRabout() { - ExecCfg("about"); -} - -#endif - -long CDRtest(void) { -#ifndef USE_NULL - if (OpenCdHandle(CdromDev) == -1) - return -1; - CloseCdHandle(); -#endif - return 0; -} - -char *PSEgetLibName(void) { - return _(LibName); -} - -unsigned long PSEgetLibType(void) { - return PSE_LT_CDR; -} - -unsigned long PSEgetLibVersion(void) { - return 1 << 16; -}