/* $NetBSD: cdplay.c,v 1.12 2001/02/19 23:03:45 cgd Exp $ */ /* * Copyright (c) 1999 Andrew Doran. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ /* * Compact Disc Control Utility by Serge V. Vakulenko . * Based on the non-X based CD player by Jean-Marc Zucconi and * Andrey A. Chernov. * * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen . * * 11-Sep-1995: Jukka A. Ukkonen * A couple of further fixes to my own earlier "fixes". * * 18-Sep-1995: Jukka A. Ukkonen * Added an ability to specify addresses relative to the * beginning of a track. This is in fact a variation of * doing the simple play_msf() call. * * 11-Oct-1995: Serge V.Vakulenko * New eject algorithm. * Some code style reformatting. * * from FreeBSD: cdcontrol.c,v 1.17.2.1 1999/01/31 15:36:01 billf Exp */ /* * XXX there are too many opportunities to trash the stack from the command * line - ad */ #include #ifndef lint __RCSID("$NetBSD: cdplay.c,v 1.12 2001/02/19 23:03:45 cgd Exp $"); #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define ASTS_INVALID 0x00 /* Audio status byte not valid */ #define ASTS_PLAYING 0x11 /* Audio play operation in progress */ #define ASTS_PAUSED 0x12 /* Audio play operation paused */ #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */ #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */ #define ASTS_VOID 0x15 /* No current audio status to return */ #define CMD_DEBUG 1 #define CMD_EJECT 2 #define CMD_HELP 3 #define CMD_INFO 4 #define CMD_PAUSE 5 #define CMD_PLAY 6 #define CMD_QUIT 7 #define CMD_RESUME 8 #define CMD_STOP 9 #define CMD_VOLUME 10 #define CMD_CLOSE 11 #define CMD_RESET 12 #define CMD_SET 13 #define CMD_STATUS 14 #define STATUS_AUDIO 0x1 #define STATUS_MEDIA 0x2 #define STATUS_VOLUME 0x4 struct cmdtab { int command; char *name; unsigned min; char *args; } cmdtab[] = { { CMD_CLOSE, "close", 1, "" }, { CMD_EJECT, "eject", 1, "" }, { CMD_HELP, "?", 1, 0 }, { CMD_HELP, "help", 1, "" }, { CMD_INFO, "info", 1, "" }, { CMD_PAUSE, "pause", 2, "" }, { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" }, { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" }, { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" }, { CMD_PLAY, "play", 1, "[#block [len]]" }, { CMD_QUIT, "quit", 1, "" }, { CMD_RESET, "reset", 4, "" }, { CMD_RESUME, "resume", 1, "" }, { CMD_SET, "set", 2, "msf | lba" }, { CMD_STATUS, "status", 1, "[audio | media | volume]" }, { CMD_STOP, "stop", 3, "" }, { CMD_VOLUME, "volume", 1, " | left | right | mute | mono | stereo" }, { 0, } }; struct cd_toc_entry toc_buffer[100]; const char *cdname; int fd = -1; int msf = 1; /* for histedit */ History *hist; HistEvent he; EditLine *elptr; int setvol __P((int, int)); int read_toc_entrys __P((int)); int play_msf __P((int, int, int, int, int, int)); int play_track __P((int, int, int, int)); int get_vol __P((int *, int *)); int status __P((int *, int *, int *, int *)); int opencd __P((void)); int play __P((char *)); int info __P((char *)); int pstatus __P((char *)); char *prompt __P((void)); void prtrack __P((struct cd_toc_entry *, int)); void lba2msf __P((u_long, u_char *, u_char *, u_char *)); u_int msf2lba __P((u_char, u_char, u_char)); int play_blocks __P((int, int)); int run __P((int, char *)); char *parse __P((char *, int *)); void help __P((void)); void usage __P((void)); char *strstatus __P((int)); int main __P((int, char **)); void help() { struct cmdtab *c; char *s, n; int i; for (c = cmdtab; c->name; ++c) { if (!c->args) continue; printf("\t"); for (i = c->min, s = c->name; *s; s++, i--) { if (i > 0) n = toupper(*s); else n = *s; putchar(n); } if (*c->args) printf(" %s", c->args); printf("\n"); } printf("\n\tThe word \"play\" is not required for the play commands.\n"); printf("\tThe plain target address is taken as a synonym for play.\n"); } void usage() { fprintf(stderr, "usage: cdplay [-f device] [command ...]\n"); exit(1); } int main(argc, argv) int argc; char **argv; { char *arg, *p, buf[80]; static char defdev[16]; int cmd, len; char *line; const char *elline; int scratch; cdname = getenv("MUSIC_CD"); if (!cdname) cdname = getenv("CD_DRIVE"); if (!cdname) cdname = getenv("DISC"); if (!cdname) cdname = getenv("CDPLAY"); for (;;) { switch (getopt(argc, argv, "svhf:")) { case EOF: break; case 'f': cdname = optarg; continue; case 'h': default: usage(); } break; } argc -= optind; argv += optind; if (argc > 0 && !strcasecmp(*argv, "help")) usage(); if (!cdname) { sprintf(defdev, "cd0%c", 'a' + RAW_PART); cdname = defdev; } opencd(); if (argc > 0) { for (p = buf; argc-- > 0; ++argv) { len = strlen(*argv); if (p + len >= buf + sizeof(buf) - 1) usage(); if (p > buf) *p++ = ' '; strcpy(p, *argv); p += len; } *p = 0; arg = parse(buf, &cmd); return (run(cmd, arg)); } printf("Type `?' for command list\n\n"); hist = history_init(); history(hist, &he, H_SETSIZE, 100); /* 100 elt history buffer */ elptr = el_init(getprogname(), stdin, stdout, stderr); el_set(elptr, EL_EDITOR, "emacs"); el_set(elptr, EL_PROMPT, prompt); el_set(elptr, EL_HIST, history, hist); el_source(elptr, NULL); for (;;) { line = NULL; do { if (((elline = el_gets(elptr, &scratch)) != NULL) && (scratch != 0)){ history(hist, &he, H_ENTER, elline); line = strdup(elline); arg = parse(line, &cmd); } else { cmd = CMD_QUIT; fprintf(stderr, "\r\n"); arg = 0; break; } } while (!arg); if (run(cmd, arg) < 0) { warn(NULL); close(fd); fd = -1; } fflush(stdout); if (line != NULL) free(line); } el_end(elptr); history_end(hist); } int run(cmd, arg) int cmd; char *arg; { int l, r, rc; switch (cmd) { case CMD_QUIT: exit(0); case CMD_CLOSE: if (fd >= 0) { ioctl(fd, CDIOCALLOW); if ((rc = ioctl(fd, CDIOCCLOSE)) < 0) return (rc); close(fd); fd = -1; return (0); } break; } if (fd < 0 && !opencd()) return (0); switch (cmd) { case CMD_INFO: return (info(arg)); case CMD_STATUS: return (pstatus(arg)); case CMD_PAUSE: return (ioctl(fd, CDIOCPAUSE)); case CMD_RESUME: return (ioctl(fd, CDIOCRESUME)); case CMD_STOP: rc = ioctl(fd, CDIOCSTOP); ioctl(fd, CDIOCALLOW); return (rc); case CMD_RESET: if ((rc = ioctl(fd, CDIOCRESET)) < 0) return (rc); close(fd); fd = -1; return (0); case CMD_EJECT: ioctl(fd, CDIOCALLOW); if ((rc = ioctl(fd, CDIOCEJECT)) < 0) return (rc); return (0); case CMD_CLOSE: ioctl(fd, CDIOCALLOW); if ((rc = ioctl(fd, CDIOCCLOSE)) < 0) return (rc); close(fd); fd = -1; return (0); case CMD_PLAY: while (isspace(*arg)) arg++; return (play(arg)); case CMD_SET: if (!strcasecmp(arg, "msf")) msf = 1; else if (!strcasecmp(arg, "lba")) msf = 0; else warnx("invalid command arguments"); return (0); case CMD_VOLUME: if (!strncasecmp(arg, "left", strlen(arg))) return (ioctl(fd, CDIOCSETLEFT)); if (!strncasecmp(arg, "right", strlen(arg))) return (ioctl(fd, CDIOCSETRIGHT)); if (!strncasecmp(arg, "mono", strlen(arg))) return (ioctl(fd, CDIOCSETMONO)); if (!strncasecmp(arg, "stereo", strlen(arg))) return (ioctl(fd, CDIOCSETSTEREO)); if (!strncasecmp(arg, "mute", strlen(arg))) return (ioctl(fd, CDIOCSETMUTE)); if (sscanf(arg, "%d %d", &l, &r) != 2) { if (sscanf(arg, "%d", &l) == 1) { r = l; } else { warnx("invalid command arguments"); return (0); } } return (setvol(l, r)); case CMD_HELP: default: help(); return (0); } } int play(arg) char *arg; { int rc, n, start, end, istart, iend, blk, len; struct ioc_toc_header h; if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) return (rc); end = 0; istart = iend = 1; n = h.ending_track - h.starting_track + 1; rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); if (rc < 0) return (rc); if (!arg || !*arg) { /* Play the whole disc */ return (play_track(h.starting_track, 1, h.ending_track, 1)); } if (strchr(arg, '#')) { /* Play block #blk [ len ] */ len = 0; if (2 != sscanf(arg, "#%d%d", &blk, &len) && 1 != sscanf(arg, "#%d", &blk)) goto Clean_up; if (len == 0) { if (msf) len = msf2lba(toc_buffer[n].addr.msf.minute, toc_buffer[n].addr.msf.second, toc_buffer[n].addr.msf.frame) - blk; else len = be32toh(toc_buffer[n].addr.lba) - blk; } return (play_blocks(blk, len)); } if (strchr(arg, ':')) { /* * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] * * Will now also undestand timed addresses relative * to the beginning of a track in the form... * * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] */ unsigned tr1, tr2; unsigned m1, m2, s1, s2, f1, f2; unsigned char tm, ts, tf; tr2 = m2 = s2 = f2 = f1 = 0; if (8 == sscanf(arg, "%d %d:%d.%d %d %d:%d.%d", &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (7 == sscanf(arg, "%d %d:%d %d %d:%d.%d", &tr1, &m1, &s1, &tr2, &m2, &s2, &f2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (7 == sscanf(arg, "%d %d:%d.%d %d %d:%d", &tr1, &m1, &s1, &f1, &tr2, &m2, &s2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (7 == sscanf(arg, "%d %d:%d.%d %d:%d.%d", &tr1, &m1, &s1, &f1, &m2, &s2, &f2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (6 == sscanf(arg, "%d %d:%d.%d %d:%d", &tr1, &m1, &s1, &f1, &m2, &s2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (6 == sscanf(arg, "%d %d:%d %d:%d.%d", &tr1, &m1, &s1, &m2, &s2, &f2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (6 == sscanf(arg, "%d %d:%d.%d %d %d", &tr1, &m1, &s1, &f1, &tr2, &m2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (5 == sscanf(arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (5 == sscanf(arg, "%d %d:%d %d %d", &tr1, &m1, &s1, &tr2, &m2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (5 == sscanf(arg, "%d %d:%d.%d %d", &tr1, &m1, &s1, &f1, &tr2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (4 == sscanf(arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (4 == sscanf(arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; if (3 == sscanf(arg, "%d %d:%d", &tr1, &m1, &s1)) goto Play_Relative_Addresses; tr2 = m2 = s2 = f2 = f1 = 0; goto Try_Absolute_Timed_Addresses; Play_Relative_Addresses: if (!tr1) tr1 = 1; else if (tr1 > n) tr1 = n; if (msf) { tm = toc_buffer[tr1].addr.msf.minute; ts = toc_buffer[tr1].addr.msf.second; tf = toc_buffer[tr1].addr.msf.frame; } else lba2msf(be32toh(toc_buffer[tr1].addr.lba), &tm, &ts, &tf); if ((m1 > tm) || ((m1 == tm) && ((s1 > ts) || ((s1 == ts) && (f1 > tf))))) { printf("Track %d is not that long.\n", tr1); return (0); } tr1--; f1 += tf; if (f1 >= 75) { s1 += f1 / 75; f1 %= 75; } s1 += ts; if (s1 >= 60) { m1 += s1 / 60; s1 %= 60; } m1 += tm; if (!tr2) { if (m2 || s2 || f2) { tr2 = tr1; f2 += f1; if (f2 >= 75) { s2 += f2 / 75; f2 %= 75; } s2 += s1; if (s2 > 60) { m2 += s2 / 60; s2 %= 60; } m2 += m1; } else { tr2 = n; if (msf) { m2 = toc_buffer[n].addr.msf.minute; s2 = toc_buffer[n].addr.msf.second; f2 = toc_buffer[n].addr.msf.frame; } else { lba2msf(be32toh(toc_buffer[n].addr.lba), &tm, &ts, &tf); m2 = tm; s2 = ts; f2 = tf; } } } else { if (tr2 > n) { tr2 = n; m2 = s2 = f2 = 0; } else { if (m2 || s2 || f2) tr2--; if (msf) { tm = toc_buffer[tr2].addr.msf.minute; ts = toc_buffer[tr2].addr.msf.second; tf = toc_buffer[tr2].addr.msf.frame; } else lba2msf(be32toh(toc_buffer[tr2].addr.lba), &tm, &ts, &tf); f2 += tf; if (f2 >= 75) { s2 += f2 / 75; f2 %= 75; } s2 += ts; if (s2 > 60) { m2 += s2 / 60; s2 %= 60; } m2 += tm; } } if (msf) { tm = toc_buffer[n].addr.msf.minute; ts = toc_buffer[n].addr.msf.second; tf = toc_buffer[n].addr.msf.frame; } else lba2msf(be32toh(toc_buffer[n].addr.lba), &tm, &ts, &tf); if ((tr2 < n) && ((m2 > tm) || ((m2 == tm) && ((s2 > ts) || ((s2 == ts) && (f2 > tf)))))) { printf("The playing time of the disc is not that long.\n"); return (0); } return (play_msf(m1, s1, f1, m2, s2, f2)); Try_Absolute_Timed_Addresses: if (6 != sscanf(arg, "%d:%d.%d%d:%d.%d", &m1, &s1, &f1, &m2, &s2, &f2) && 5 != sscanf(arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 5 != sscanf(arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 3 != sscanf(arg, "%d:%d.%d", &m1, &s1, &f1) && 4 != sscanf(arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 2 != sscanf(arg, "%d:%d", &m1, &s1)) goto Clean_up; if (m2 == 0) { if (msf) { m2 = toc_buffer[n].addr.msf.minute; s2 = toc_buffer[n].addr.msf.second; f2 = toc_buffer[n].addr.msf.frame; } else { lba2msf(be32toh(toc_buffer[n].addr.lba), &tm, &ts, &tf); m2 = tm; s2 = ts; f2 = tf; } } return (play_msf(m1, s1, f1, m2, s2, f2)); } /* * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] */ if (4 != sscanf(arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 3 != sscanf(arg, "%d.%d%d", &start, &istart, &end) && 3 != sscanf(arg, "%d%d.%d", &start, &end, &iend) && 2 != sscanf(arg, "%d.%d", &start, &istart) && 2 != sscanf(arg, "%d%d", &start, &end) && 1 != sscanf(arg, "%d", &start)) goto Clean_up; if (end == 0) end = n; return (play_track(start, istart, end, iend)); Clean_up: warnx("invalid command arguments"); return (0); } char * strstatus(sts) int sts; { switch (sts) { case ASTS_INVALID: return ("invalid"); case ASTS_PLAYING: return ("playing"); case ASTS_PAUSED: return ("paused"); case ASTS_COMPLETED: return ("completed"); case ASTS_ERROR: return ("error"); case ASTS_VOID: return ("not playing"); default: return ("??"); } } int pstatus(arg) char *arg; { struct cd_sub_channel_info data; struct ioc_read_subchannel ss; int rc, trk, m, s, f; struct ioc_vol v; int what = 0; char *p; while ((p = strtok(arg, " \t"))) { arg = 0; if (!strncasecmp(p, "audio", strlen(p))) what |= STATUS_AUDIO; else { if (!strncasecmp(p, "media", strlen(p))) what |= STATUS_MEDIA; else { if (!strncasecmp(p, "volume", strlen(p))) what |= STATUS_VOLUME; else { warnx("invalid command arguments"); return 0; } } } } if (!what) what = STATUS_AUDIO | STATUS_MEDIA | STATUS_VOLUME; if (what & STATUS_AUDIO) { rc = status(&trk, &m, &s, &f); if (rc >= 0) { printf("Audio status:\t%s\n", strstatus(rc)); printf("Current track:\t%d\n", trk); printf("Position:\t%d:%02d.%02d\n", m, s, f); } else printf("Audio status:\tno info available\n"); } if (what & STATUS_MEDIA) { bzero(&ss, sizeof(ss)); ss.data = &data; ss.data_len = sizeof(data); ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; ss.data_format = CD_MEDIA_CATALOG; rc = ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &ss); if (rc >= 0) { printf("Media catalog:\t%sactive", ss.data->what.media_catalog.mc_valid ? "" : "in"); if (ss.data->what.media_catalog.mc_valid && ss.data->what.media_catalog.mc_number[0]) printf(" (%.15s)", ss.data->what.media_catalog.mc_number); putchar('\n'); } else printf("Media catalog:\tnone\n"); } if (what & STATUS_VOLUME) { rc = ioctl(fd, CDIOCGETVOL, &v); if (rc >= 0) { printf("Left volume:\t%d\n", v.vol[0]); printf("Right volume:\t%d\n", v.vol[1]); } else { printf("Left volume:\tnot available\n"); printf("Right volume:\tnot available\n"); } } return (0); } int info(arg) char *arg; { struct ioc_toc_header h; int rc, i, n; if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { warn("getting toc header"); return (rc); } n = h.ending_track - h.starting_track + 1; rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); if (rc < 0) return (rc); printf("track start duration block length type\n"); printf("-------------------------------------------------\n"); for (i = 0; i < n; i++) { printf("%5d ", toc_buffer[i].track); prtrack(toc_buffer + i, 0); } printf("%5d ", toc_buffer[n].track); prtrack(toc_buffer + n, 1); return (0); } void lba2msf(lba, m, s, f) u_long lba; u_char *m, *s, *f; { lba += 150; /* block start offset */ lba &= 0xffffff; /* negative lbas use only 24 bits */ *m = lba / (60 * 75); lba %= (60 * 75); *s = lba / 75; *f = lba % 75; } u_int msf2lba(m, s, f) u_char m, s, f; { return (((m * 60) + s) * 75 + f) - 150; } void prtrack(e, lastflag) struct cd_toc_entry *e; int lastflag; { int block, next, len; u_char m, s, f; if (msf) { /* Print track start */ printf("%2d:%02d.%02d ", e->addr.msf.minute, e->addr.msf.second, e->addr.msf.frame); block = msf2lba(e->addr.msf.minute, e->addr.msf.second, e->addr.msf.frame); } else { block = e->addr.lba; lba2msf(block, &m, &s, &f); /* Print track start */ printf("%2d:%02d.%02d ", m, s, f); } if (lastflag) { /* Last track -- print block */ printf(" - %6d - -\n", block); return; } if (msf) next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second, e[1].addr.msf.frame); else next = e[1].addr.lba; len = next - block; lba2msf(len, &m, &s, &f); /* Print duration, block, length, type */ printf("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len, (e->control & 4) ? "data" : "audio"); } int play_track(tstart, istart, tend, iend) int tstart, istart, tend, iend; { struct ioc_play_track t; t.start_track = tstart; t.start_index = istart; t.end_track = tend; t.end_index = iend; return (ioctl(fd, CDIOCPLAYTRACKS, &t)); } int play_blocks(blk, len) int blk, len; { struct ioc_play_blocks t; t.blk = blk; t.len = len; return (ioctl(fd, CDIOCPLAYBLOCKS, &t)); } int setvol(left, right) int left, right; { struct ioc_vol v; v.vol[0] = left; v.vol[1] = right; v.vol[2] = 0; v.vol[3] = 0; return (ioctl(fd, CDIOCSETVOL, &v)); } int read_toc_entrys(len) int len; { struct ioc_read_toc_entry t; t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; t.starting_track = 0; t.data_len = len; t.data = toc_buffer; return (ioctl(fd, CDIOREADTOCENTRYS, (char *)&t)); } int play_msf(start_m, start_s, start_f, end_m, end_s, end_f) int start_m, start_s, start_f, end_m, end_s, end_f; { struct ioc_play_msf a; a.start_m = start_m; a.start_s = start_s; a.start_f = start_f; a.end_m = end_m; a.end_s = end_s; a.end_f = end_f; return (ioctl(fd, CDIOCPLAYMSF, (char *) &a)); } int status(trk, min, sec, frame) int *trk, *min, *sec, *frame; { struct ioc_read_subchannel s; struct cd_sub_channel_info data; u_char mm, ss, ff; bzero(&s, sizeof(s)); s.data = &data; s.data_len = sizeof(data); s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; s.data_format = CD_CURRENT_POSITION; if (ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0) return -1; *trk = s.data->what.position.track_number; if (msf) { *min = s.data->what.position.reladdr.msf.minute; *sec = s.data->what.position.reladdr.msf.second; *frame = s.data->what.position.reladdr.msf.frame; } else { lba2msf(be32toh(s.data->what.position.reladdr.lba), &mm, &ss, &ff); *min = mm; *sec = ss; *frame = ff; } return (s.data->header.audio_status); } char * prompt() { return ("cdplay> "); } char * parse(buf, cmd) char *buf; int *cmd; { struct cmdtab *c; char *p, *q; int len; for (p = buf; isspace(*p); p++) continue; if (isdigit(*p) || (p[0] == '#' && isdigit(p[1]))) { *cmd = CMD_PLAY; return (p); } for (buf = p; *p && !isspace(*p); p++) continue; len = p - buf; if (!len) return (0); if (*p) { /* It must be a spacing character! */ *p++ = 0; for (q = p; *q && *q != '\n' && *q != '\r'; q++) continue; *q = 0; } *cmd = -1; for (c = cmdtab; c->name; ++c) { /* Is it an exact match? */ if (!strcasecmp(buf, c->name)) { *cmd = c->command; break; } /* Try short hand forms then... */ if (len >= c->min && !strncasecmp(buf, c->name, len)) { if (*cmd != -1 && *cmd != c->command) { warnx("ambiguous command"); return (0); } *cmd = c->command; } } if (*cmd == -1) { warnx("invalid command, enter ``help'' for commands"); return (0); } while (isspace(*p)) p++; return (p); } int opencd() { char devbuf[80]; if (fd > -1) return (1); fd = opendisk(cdname, O_RDONLY, devbuf, sizeof(devbuf), 0); if (fd < 0) { if (errno == ENXIO) { /* ENXIO has an overloaded meaning here. The original * "Device not configured" should be interpreted as * "No disc in drive %s". */ warnx("no disc in drive %s", devbuf); return (0); } err(1, "%s", devbuf); } return (1); }