$NetBSD: patch-ac,v 1.1 2000/07/30 08:08:13 jlam Exp $

--- /dev/null   Sat Jun 10 06:33:35 2000
+++ cdplayer/cdrom-netbsd.c     Fri Jun 23 00:37:07 2000
@@ -0,0 +1,402 @@
+
+/*
+ * Hacked up from cdrom-solaris.c
+ *
+ * jgw 24/02/2000
+ *
+ */
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <glib.h>
+
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/cdio.h>
+#include "cdrom-interface.h"
+
+
+#define ASSIGN_MSF(dest, src) \
+{ \
+  (dest).minute = (src).minute; \
+  (dest).second = (src).second; \
+  (dest).frame = (src).frame; \
+}
+
+
+int
+cdrom_play(cdrom_device_t cdp, int start, int stop)
+{
+       struct ioc_play_track ipt;
+
+       ipt.start_track = start;
+       ipt.start_index = 1;
+       ipt.end_track = stop;
+       ipt.end_index = 1;
+       if (ioctl(cdp->device, CDIOCPLAYTRACKS, &ipt) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+int
+cdrom_play_msf(cdrom_device_t cdp, cdrom_msf_t * start)
+{
+       struct ioc_play_msf msf;
+
+       if (cdrom_read_track_info(cdp) == DISC_IO_ERROR)
+               return DISC_IO_ERROR;
+       msf.start_m = start->minute;
+       msf.start_s = start->second;
+       msf.start_f = start->frame;
+
+       msf.end_m = cdp->track_info[cdp->nr_track].address.minute;
+       msf.end_s = cdp->track_info[cdp->nr_track].address.second;
+       msf.end_f = cdp->track_info[cdp->nr_track].address.frame;
+
+       if (ioctl(cdp->device, CDIOCPLAYMSF, &msf) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+int
+cdrom_pause(cdrom_device_t cdp)
+{
+       if (ioctl(cdp->device, CDIOCPAUSE, 0) == -1) {
+               return DISC_IO_ERROR;
+               cdp->my_errno = errno;
+       }
+       return DISC_IO_ERROR;
+}
+
+int
+cdrom_resume(cdrom_device_t cdp)
+{
+       if (ioctl(cdp->device, CDIOCRESUME, 0) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+
+int
+cdrom_stop(cdrom_device_t cdp)
+{
+       if (ioctl(cdp->device, CDIOCSTOP, 0) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+int
+cdrom_read_track_info(cdrom_device_t cdp)
+{
+       struct ioc_toc_header toc;
+       struct ioc_read_toc_entry tocentry;
+
+       int i, j, nr_track;
+
+       if (ioctl(cdp->device, CDIOREADTOCHEADER, &toc) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       cdp->track0 = toc.starting_track;
+       cdp->track1 = toc.ending_track;
+       nr_track = toc.ending_track - toc.starting_track + 1;
+       if (nr_track <= 0)
+               return DISC_IO_ERROR;
+
+       if (nr_track != cdp->nr_track) {
+               if (cdp->track_info)
+                       g_free(cdp->track_info);
+               cdp->nr_track = nr_track;
+               cdp->track_info = g_malloc((cdp->nr_track + 1) * sizeof(track_info_t));
+       }
+       for (i = 0, j = cdp->track0; i < cdp->nr_track; i++, j++) {
+               tocentry.starting_track = j;
+               tocentry.address_format = CD_MSF_FORMAT;
+               tocentry.data_len = sizeof(struct cd_toc_entry);
+               tocentry.data = malloc(sizeof(struct cd_toc_entry));
+              
+               if (ioctl(cdp->device, CDIOREADTOCENTRIES, &tocentry) == -1) {
+                       cdp->my_errno = errno;
+                       free(tocentry.data);
+                       return DISC_IO_ERROR;
+               }
+               /* fill the trackinfo field */
+               cdp->track_info[i].track = j;
+
+               /* XXX these should also be in <sys/cdio.h> */
+#define CD_TYPE_AUDIO       1   /* Audio track */
+#define CD_TYPE_DATA        2   /* Data track */
+
+               cdp->track_info[i].audio_track = tocentry.data->control != CD_TYPE_DATA ? 1 : 0;
+               cdp->track_info[i].audio_track = 0;
+               ASSIGN_MSF(cdp->track_info[i].address, tocentry.data->addr.msf);
+               free(tocentry.data);
+       }
+#define CD_LEADOUT   0xaa /* XXX this should be in <sys/cdio.h> (?) */
+
+       tocentry.starting_track = CD_LEADOUT;
+       tocentry.address_format = CD_MSF_FORMAT;
+       if (ioctl(cdp->device, CDIOREADTOCENTRIES, &tocentry) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       cdp->track_info[i].track = j;
+       cdp->track_info[i].audio_track = 0;
+       ASSIGN_MSF(cdp->track_info[i].address, tocentry.data->addr.msf);
+
+       return DISC_NO_ERROR;
+}
+
+int
+cdrom_reset(cdrom_device_t cdp)
+{
+       if (ioctl(cdp->device, CDIOCRESET, 0) == -1) {
+               cdp->my_errno = errno;
+               /* perror("cdrom_reset"); */ /* XXX don't spam the user with errors. */
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+int
+cdrom_get_status(cdrom_device_t cdp, cdrom_device_status_t * stat)
+{
+       struct ioc_read_subchannel subchnl;
+       int errcode;
+
+       memset(&subchnl, 0, sizeof(struct ioc_read_subchannel));
+
+       subchnl.address_format = CD_MSF_FORMAT;
+       subchnl.data_format = CD_CURRENT_POSITION;
+      
+       subchnl.data_len = sizeof(struct cd_sub_channel_info);
+       subchnl.data = malloc(sizeof(struct cd_sub_channel_info));
+
+       if (ioctl(cdp->device, CDIOCREADSUBCHANNEL, &subchnl) == -1) {
+               cdp->my_errno = errno;
+               free(subchnl.data);
+               if (cdrom_reset(cdp) == DISC_NO_ERROR)
+               {
+                       /* XXX ICK, if the user has ejected a cdrom, and then loaded new one,
+                               we need to close/open the device before we can play cd's again.
+                              
+                               Unfortunalty we gets loads of errors spammed to syslog as we wait for the drive to
+                               spin up.
+                              
+                               we need a CDIOCDRIVESTATUS ioctl which will tell us:
+                              
+                               drive empty
+                               drive open
+                               drive becoming ready
+                               drive ready
+                              
+                               */
+                       cdrom_close(cdp);
+                       errcode = 0;
+                       cdp = cdrom_open(NULL,&errcode);
+                       if (errcode == 0)
+                               return(cdrom_get_status(cdp, stat));
+               }
+               /* unfortunatly we spam the user with errors here */
+               perror("You may ignore these errors if your in the process of changing a cd : ");
+               printf("\n");
+               return DISC_IO_ERROR;
+       }
+       switch (subchnl.data->header.audio_status) {
+       case CD_AS_PLAY_IN_PROGRESS:
+               stat->audio_status = DISC_PLAY;
+               break;
+       case CD_AS_PLAY_PAUSED:
+               stat->audio_status = DISC_PAUSED;
+               break;
+       case CD_AS_PLAY_COMPLETED:
+               stat->audio_status = DISC_COMPLETED;
+               break;
+       case CD_AS_AUDIO_INVALID:
+       case CD_AS_NO_STATUS:
+       case CD_AS_PLAY_ERROR:
+               stat->audio_status = DISC_STOP;
+               break;
+       default:
+               stat->audio_status = DISC_ERROR;
+       }
+       stat->track = subchnl.data->what.position.track_number;
+       ASSIGN_MSF(stat->relative_address, subchnl.data->what.position.reladdr.msf);
+       ASSIGN_MSF(stat->absolute_address, subchnl.data->what.position.absaddr.msf);
+       free(subchnl.data);
+       return DISC_NO_ERROR;
+}
+
+cdrom_device_t
+cdrom_open(char *device, int *errcode)
+{
+       cdrom_device_t cdp;
+       static char * cddev = NULL;
+
+       if (cddev == NULL && device != NULL)
+       {
+               cddev = device;
+       }
+
+       cdp = g_malloc(sizeof(struct cdrom_device));
+
+       if (device == NULL)
+               device = cddev; /* remember which device to use */
+
+       cdp->device = open(device, O_RDONLY);
+       if (cdp->device == -1) {
+               *errcode = errno;
+               perror("cdrom_open");
+               g_free(cdp);
+               return NULL;
+       }
+       cdp->nr_track = 0;
+       cdp->track_info = NULL;
+       return cdp;
+}
+
+void
+cdrom_close(cdrom_device_t cdp)
+{
+       if (cdp->nr_track)
+               g_free(cdp->track_info);
+       close(cdp->device);
+       g_free(cdp);
+}
+
+int
+cdrom_load(cdrom_device_t cdp)
+{
+       if (ioctl(cdp->device, CDIOCCLOSE, 0) == -1) {
+               cdp->my_errno = errno;
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+int
+cdrom_eject(cdrom_device_t cdp)
+{
+       cdrom_device_status_t stat;
+
+       printf("cdrom_eject: %d", cdrom_get_status(cdp, &stat));
+      
+       if (stat.audio_status == DISC_PLAY)
+       {
+               /* stop before we eject */
+               cdrom_stop(cdp);
+       }
+      
+       if (ioctl(cdp->device, CDIOCALLOW, 0) == -1) {
+               cdp->my_errno = errno;
+               perror("cdrom_eject: allow");
+       }
+
+       if (ioctl(cdp->device, CDIOCEJECT, 0) == -1) {
+               cdp->my_errno = errno;
+               perror("cdrom_eject");
+               return DISC_IO_ERROR;
+       }
+       return DISC_NO_ERROR;
+}
+
+
+int
+cdrom_next(cdrom_device_t cdp)
+{
+       cdrom_device_status_t stat;
+       int track;
+
+       if ((cdrom_read_track_info(cdp) == DISC_IO_ERROR) ||
+           (cdrom_get_status(cdp, &stat) == DISC_IO_ERROR))
+               return DISC_IO_ERROR;
+       track = stat.track + 1;
+       return cdrom_play(cdp, stat.track + 1, cdp->track1);
+}
+
+int
+cdrom_prev(cdrom_device_t cdp)
+{
+       cdrom_device_status_t stat;
+       int track;
+
+       if ((cdrom_read_track_info(cdp) == DISC_IO_ERROR) ||
+           (cdrom_get_status(cdp, &stat) == DISC_IO_ERROR))
+               return DISC_IO_ERROR;
+       track = stat.track - 1;
+       return cdrom_play(cdp, stat.track - 1, cdp->track1);
+}
+
+int
+cdrom_rewind(cdrom_device_t cdp)
+{
+       cdrom_device_status_t stat;
+       int track;
+
+       if ((cdrom_read_track_info(cdp) == DISC_IO_ERROR) ||
+           (cdrom_get_status(cdp, &stat) == DISC_IO_ERROR))
+               return DISC_IO_ERROR;
+       if (stat.absolute_address.second != 0)
+               stat.absolute_address.second--;
+       else {
+               stat.absolute_address.second = 0;
+               if (stat.absolute_address.minute > 0)
+                       stat.absolute_address.minute--;
+       }
+       stat.absolute_address.frame = 0;
+       return cdrom_play_msf(cdp, &stat.absolute_address);
+}
+
+int
+cdrom_ff(cdrom_device_t cdp)
+{
+       cdrom_device_status_t stat;
+       int track;
+
+       if ((cdrom_read_track_info(cdp) == DISC_IO_ERROR) ||
+           (cdrom_get_status(cdp, &stat) == DISC_IO_ERROR))
+               return DISC_IO_ERROR;
+       stat.absolute_address.second++;
+       if (stat.absolute_address.second >= 60) {
+               stat.absolute_address.minute++;
+               stat.absolute_address.second = 0;
+       }
+       stat.absolute_address.frame = 0;
+       return cdrom_play_msf(cdp, &stat.absolute_address);
+}
+
+int
+cdrom_track_length(cdrom_device_t cdp, int track, cdrom_msf_t * length)
+{
+       int index, s1, s2, i;
+
+       if ((track < cdp->track0) || (track > cdp->track1))
+               return DISC_INDEX_OUT_OF_RANGE;
+       index = track - cdp->track0;
+
+       s1 = cdp->track_info[index + 1].address.second;
+       s2 = cdp->track_info[index].address.second;
+       length->second = s1 = s1 - s2;
+       if (s1 < 0) {
+               i = 1;
+               length->second = s1 + 60;
+       } else
+               i = 0;
+
+       length->minute = cdp->track_info[index + 1].address.minute -
+           cdp->track_info[index].address.minute - i;
+
+       return 0;
+}