libvcd 0.7.20, libcdio 0.68

CVS patchset: 6388
CVS date: 2004/04/11 12:20:31

1 files changed, 672 insertions, 0 deletions

diff --git a/src/input/vcd/libcdio/MSWindows/win32.c b/src/input/vcd/libcdio/MSWindows/win32.c
new file mode 100644
index 000000000..13ccb9131
--- /dev/null
+++ b/src/input/vcd/libcdio/MSWindows/win32.c
@@ -0,0 +1,672 @@
+/*
+    $Id: win32.c,v 1.1 2004/04/11 12:20:31 miguelfreitas Exp $
+
+    Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
+
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* This file contains Win32-specific code and implements low-level 
+   control of the CD drive. Inspired by vlc's cdrom.h code 
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+static const char _rcsid[] = "$Id: win32.c,v 1.1 2004/04/11 12:20:31 miguelfreitas Exp $";
+
+#include <cdio/cdio.h>
+#include <cdio/sector.h>
+#include <cdio/util.h>
+#include "cdio_assert.h"
+#include "cdio_private.h" /* protoype for cdio_is_device_win32 */
+#include "scsi_mmc.h"
+
+#include <string.h>
+
+#ifdef HAVE_WIN32_CDROM
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <windows.h>
+#include <winioctl.h>
+#include "win32.h"
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include "aspi32.h"
+
+#define WIN_NT               ( GetVersion() < 0x80000000 )
+
+/* General ioctl() CD-ROM command function */
+static bool 
+_cdio_mciSendCommand(int id, UINT msg, DWORD flags, void *arg)
+{
+  MCIERROR mci_error;
+  
+  mci_error = mciSendCommand(id, msg, flags, (DWORD)arg);
+  if ( mci_error ) {
+    char error[256];
+    
+    mciGetErrorString(mci_error, error, 256);
+    cdio_warn("mciSendCommand() error: %s", error);
+  }
+  return(mci_error == 0);
+}
+
+static const char *
+cdio_is_cdrom(const char drive_letter) {
+  if ( WIN_NT ) {
+    return win32ioctl_is_cdrom(drive_letter);
+  } else {
+    return wnaspi32_is_cdrom(drive_letter);
+  }
+}
+
+/*!
+  Initialize CD device.
+ */
+static bool
+_cdio_init_win32 (void *user_data)
+{
+  _img_private_t *env = user_data;
+  if (env->gen.init) {
+    cdio_error ("init called more than once");
+    return false;
+  }
+  
+  env->gen.init = true;
+  env->toc_init = false;
+
+
+  /* Initializations */
+  env->h_device_handle = NULL;
+  env->i_sid = 0;
+  env->hASPI = 0;
+  env->lpSendCommand = 0;
+  
+  if ( WIN_NT ) {
+    return win32ioctl_init_win32(env);
+  } else {
+    return wnaspi32_init_win32(env);
+  }
+}
+
+/*!
+  Release and free resources associated with cd. 
+ */
+static void
+_cdio_win32_free (void *user_data)
+{
+  _img_private_t *env = user_data;
+
+  if (NULL == env) return;
+  free (env->gen.source_name);
+
+  if( env->h_device_handle )
+    CloseHandle( env->h_device_handle );
+  if( env->hASPI )
+    FreeLibrary( (HMODULE)env->hASPI );
+
+  free (env);
+}
+
+/*!
+   Reads an audio device into data starting from lsn.
+   Returns 0 if no error. 
+ */
+static int
+_cdio_read_audio_sectors (void *user_data, void *data, lsn_t lsn, 
+			  unsigned int nblocks) 
+{
+  _img_private_t *env = user_data;
+  if ( env->hASPI ) {
+    return wnaspi32_read_audio_sectors( env, data, lsn, nblocks );
+  } else {
+    return win32ioctl_read_audio_sectors( env, data, lsn, nblocks );
+  }
+}
+
+/*!
+   Reads a single mode1 sector from cd device into data starting
+   from lsn. Returns 0 if no error. 
+ */
+static int
+_cdio_read_mode1_sector (void *user_data, void *data, lsn_t lsn, 
+			 bool b_form2)
+{
+  _img_private_t *env = user_data;
+
+  if (env->gen.ioctls_debugged == 75)
+    cdio_debug ("only displaying every 75th ioctl from now on");
+
+  if (env->gen.ioctls_debugged == 30 * 75)
+    cdio_debug ("only displaying every 30*75th ioctl from now on");
+  
+  if (env->gen.ioctls_debugged < 75 
+      || (env->gen.ioctls_debugged < (30 * 75)  
+	  && env->gen.ioctls_debugged % 75 == 0)
+      || env->gen.ioctls_debugged % (30 * 75) == 0)
+    cdio_debug ("reading %lu", (unsigned long int) lsn);
+  
+  env->gen.ioctls_debugged++;
+
+  if ( env->hASPI ) {
+    return 1;
+  } else {
+    return win32ioctl_read_mode1_sector( env, data, lsn, b_form2 );
+  }
+}
+
+/*!
+   Reads nblocks of mode1 sectors from cd device into data starting
+   from lsn.
+   Returns 0 if no error. 
+ */
+static int
+_cdio_read_mode1_sectors (void *user_data, void *data, lsn_t lsn, 
+			  bool b_form2, unsigned int nblocks)
+{
+  _img_private_t *env = user_data;
+  int i;
+  int retval;
+
+  for (i = 0; i < nblocks; i++) {
+    if (b_form2) {
+      if ( (retval = _cdio_read_mode1_sector (env, 
+					  ((char *)data) + (M2RAW_SECTOR_SIZE * i),
+					  lsn + i, true)) )
+	return retval;
+    } else {
+      char buf[M2RAW_SECTOR_SIZE] = { 0, };
+      if ( (retval = _cdio_read_mode1_sector (env, buf, lsn + i, false)) )
+	return retval;
+      
+      memcpy (((char *)data) + (CDIO_CD_FRAMESIZE * i), 
+	      buf, CDIO_CD_FRAMESIZE);
+    }
+  }
+  return 0;
+}
+
+/*!
+   Reads a single mode2 sector from cd device into data starting
+   from lsn. Returns 0 if no error. 
+ */
+static int
+_cdio_read_mode2_sector (void *user_data, void *data, lsn_t lsn, 
+		    bool b_form2)
+{
+  char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, };
+  _img_private_t *env = user_data;
+
+  if (env->gen.ioctls_debugged == 75)
+    cdio_debug ("only displaying every 75th ioctl from now on");
+
+  if (env->gen.ioctls_debugged == 30 * 75)
+    cdio_debug ("only displaying every 30*75th ioctl from now on");
+  
+  if (env->gen.ioctls_debugged < 75 
+      || (env->gen.ioctls_debugged < (30 * 75)  
+	  && env->gen.ioctls_debugged % 75 == 0)
+      || env->gen.ioctls_debugged % (30 * 75) == 0)
+    cdio_debug ("reading %lu", (unsigned long int) lsn);
+  
+  env->gen.ioctls_debugged++;
+
+  if ( env->hASPI ) {
+    int ret;
+    ret = wnaspi32_read_mode2_sector(user_data, buf, lsn);
+    if( ret != 0 ) return ret;
+    if (b_form2)
+      memcpy (data, buf, M2RAW_SECTOR_SIZE);
+    else
+      memcpy (((char *)data), buf + CDIO_CD_SUBHEADER_SIZE, CDIO_CD_FRAMESIZE);
+    return 0;
+  } else {
+    return win32ioctl_read_mode2_sector( env, data, lsn, b_form2 );
+  }
+}
+
+/*!
+   Reads nblocks of mode2 sectors from cd device into data starting
+   from lsn.
+   Returns 0 if no error. 
+ */
+static int
+_cdio_read_mode2_sectors (void *user_data, void *data, lsn_t lsn, 
+			  bool b_form2, unsigned int nblocks)
+{
+  int i;
+  int retval;
+  unsigned int blocksize = b_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE;
+
+  for (i = 0; i < nblocks; i++) {
+    if ( (retval = _cdio_read_mode2_sector (user_data, 
+					    ((char *)data) + (blocksize * i),
+					    lsn + i, b_form2)) )
+      return retval;
+  }
+  return 0;
+}
+
+/*!
+   Return the size of the CD in logical block address (LBA) units.
+ */
+static uint32_t 
+_cdio_stat_size (void *user_data)
+{
+  _img_private_t *env = user_data;
+
+  return env->tocent[env->total_tracks].start_lsn;
+}
+
+/*!
+  Set the key "arg" to "value" in source device.
+*/
+static int
+_cdio_set_arg (void *user_data, const char key[], const char value[])
+{
+  _img_private_t *env = user_data;
+
+  if (!strcmp (key, "source"))
+    {
+      if (!value)
+	return -2;
+
+      free (env->gen.source_name);
+      
+      env->gen.source_name = strdup (value);
+    }
+  else 
+    return -1;
+
+  return 0;
+}
+
+/*! 
+  Read and cache the CD's Track Table of Contents and track info.
+  Return true if successful or false if an error.
+*/
+static bool
+_cdio_read_toc (_img_private_t *env) 
+{
+  bool ret;
+  if( env->hASPI ) {
+    ret = wnaspi32_read_toc( env );
+  } else {
+    ret =win32ioctl_read_toc(env);
+  }
+  if (ret) env->gen.toc_init = true ;
+  return true;
+}
+
+/*!
+  Eject media. Return 1 if successful, 0 otherwise.
+ */
+static int 
+_cdio_eject_media (void *user_data) {
+
+  _img_private_t *env = user_data;
+
+
+  MCI_OPEN_PARMS op;
+  MCI_STATUS_PARMS st;
+  DWORD i_flags;
+  char psz_drive[4];
+  int ret;
+    
+  memset( &op, 0, sizeof(MCI_OPEN_PARMS) );
+  op.lpstrDeviceType = (LPCSTR)MCI_DEVTYPE_CD_AUDIO;
+  strcpy( psz_drive, "X:" );
+  psz_drive[0] = env->gen.source_name[0];
+  op.lpstrElementName = psz_drive;
+  
+  /* Set the flags for the device type */
+  i_flags = MCI_OPEN_TYPE | MCI_OPEN_TYPE_ID |
+    MCI_OPEN_ELEMENT | MCI_OPEN_SHAREABLE;
+  
+  if( _cdio_mciSendCommand( 0, MCI_OPEN, i_flags, &op ) ) {
+    st.dwItem = MCI_STATUS_READY;
+    /* Eject disc */
+    ret = _cdio_mciSendCommand( op.wDeviceID, MCI_SET, MCI_SET_DOOR_OPEN, 0 ) != 0;
+    /* Release access to the device */
+    _cdio_mciSendCommand( op.wDeviceID, MCI_CLOSE, MCI_WAIT, 0 );
+  } else 
+    ret = 0;
+  
+  return ret;
+}
+
+/*!
+  Return the value associated with the key "arg".
+*/
+static const char *
+_cdio_get_arg (void *user_data, const char key[])
+{
+  _img_private_t *env = user_data;
+
+  if (!strcmp (key, "source")) {
+    return env->gen.source_name;
+  } else if (!strcmp (key, "access-mode")) {
+    if (env->hASPI) 
+      return "ASPI";
+    else if ( WIN_NT ) 
+      return "winNT/2K/XP ioctl";
+    else 
+      return "undefined WIN32";
+  } 
+  return NULL;
+}
+
+/*!
+  Return the number of of the first track. 
+  CDIO_INVALID_TRACK is returned on error.
+*/
+static track_t
+_cdio_get_first_track_num(void *user_data) 
+{
+  _img_private_t *env = user_data;
+  
+  if (!env->toc_init) _cdio_read_toc (env) ;
+
+  return env->first_track_num;
+}
+
+/*!
+  Return the media catalog number MCN.
+
+  Note: string is malloc'd so caller should free() then returned
+  string when done with it.
+
+ */
+static char *
+_cdio_get_mcn (void *env) {
+
+  _img_private_t *_env = env;
+
+  if( ! _env->hASPI ) {
+    win32ioctl_get_mcn(_env);
+  }
+  return NULL;
+}
+
+/*!
+  Return the number of tracks in the current medium.
+  CDIO_INVALID_TRACK is returned on error.
+*/
+static track_t
+_cdio_get_num_tracks(void *user_data) 
+{
+  _img_private_t *env = user_data;
+  
+  if (!env->toc_init) _cdio_read_toc (env) ;
+
+  return env->total_tracks;
+}
+
+/*!  
+  Get format of track. 
+*/
+static track_format_t
+_cdio_get_track_format(void *obj, track_t track_num) 
+{
+  _img_private_t *env = obj;
+  
+  if (!env->gen.toc_init) _cdio_read_toc (env) ;
+
+  if (track_num > env->total_tracks || track_num == 0)
+    return TRACK_FORMAT_ERROR;
+
+  if( env->hASPI ) {
+    return wnaspi32_get_track_format(env, track_num);
+  } else {
+    return win32ioctl_get_track_format(env, track_num);
+  }
+}
+
+/*!
+  Return true if we have XA data (green, mode2 form1) or
+  XA data (green, mode2 form2). That is track begins:
+  sync - header - subheader
+  12     4      -  8
+
+  FIXME: there's gotta be a better design for this and get_track_format?
+*/
+static bool
+_cdio_get_track_green(void *obj, track_t track_num) 
+{
+  _img_private_t *env = obj;
+  
+  if (!env->toc_init) _cdio_read_toc (env) ;
+
+  if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = env->total_tracks+1;
+
+  if (track_num > env->total_tracks+1 || track_num == 0)
+    return false;
+
+  switch (_cdio_get_track_format(env, track_num)) {
+  case TRACK_FORMAT_ERROR:
+  case TRACK_FORMAT_CDI:
+  case TRACK_FORMAT_AUDIO:
+    return false;
+  default:
+    break;
+  }
+
+  /* FIXME: Dunno if this is the right way, but it's what 
+     I was using in cd-info for a while.
+   */
+  return ((env->tocent[track_num-1].Control & 2) != 0);
+}
+
+/*!  
+  Return the starting MSF (minutes/secs/frames) for track number
+  track_num in obj.  Track numbers start at 1.
+  The "leadout" track is specified either by
+  using track_num LEADOUT_TRACK or the total tracks+1.
+  False is returned if there is no track entry.
+*/
+static bool
+_cdio_get_track_msf(void *env, track_t track_num, msf_t *msf)
+{
+  _img_private_t *_obj = env;
+
+  if (NULL == msf) return false;
+
+  if (!_obj->toc_init) _cdio_read_toc (_obj) ;
+
+  if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = _obj->total_tracks+1;
+
+  if (track_num > _obj->total_tracks+1 || track_num == 0) {
+    return false;
+  } else {
+    cdio_lsn_to_msf(_obj->tocent[track_num-1].start_lsn, msf);
+    return true;
+  }
+}
+
+#endif /* HAVE_WIN32_CDROM */
+
+/*!
+  Return an array of strings giving possible CD devices.
+ */
+char **
+cdio_get_devices_win32 (void)
+{
+#ifndef HAVE_WIN32_CDROM
+  return NULL;
+#else
+  char **drives = NULL;
+  unsigned int num_drives=0;
+  char drive_letter;
+  
+  /* Scan the system for CD-ROM drives.
+  */
+
+#if FINISHED
+  /* Now check the currently mounted CD drives */
+  if (NULL != (ret_drive = cdio_check_mounts("/etc/mtab"))) {
+    cdio_add_device_list(&drives, drive, &num_drives);
+  }
+  
+  /* Finally check possible mountable drives in /etc/fstab */
+  if (NULL != (ret_drive = cdio_check_mounts("/etc/fstab"))) {
+    cdio_add_device_list(&drives, drive, &num_drives);
+  }
+#endif
+
+  /* Scan the system for CD-ROM drives.
+     Not always 100% reliable, so use the USE_MNTENT code above first.
+  */
+  for (drive_letter='A'; drive_letter <= 'Z'; drive_letter++) {
+    const char *drive_str=cdio_is_cdrom(drive_letter);
+    if (drive_str != NULL) {
+      cdio_add_device_list(&drives, drive_str, &num_drives);
+    }
+  }
+  cdio_add_device_list(&drives, NULL, &num_drives);
+  return drives;
+#endif /*HAVE_WIN32_CDROM*/
+}
+
+/*!
+  Return a string containing the default CD device if none is specified.
+  if CdIo is NULL (we haven't initialized a specific device driver), 
+  then find a suitable one and return the default device for that.
+  
+  NULL is returned if we couldn't get a default device.
+*/
+char *
+cdio_get_default_device_win32(void)
+{
+
+#ifdef HAVE_WIN32_CDROM
+  char drive_letter;
+
+  for (drive_letter='A'; drive_letter <= 'Z'; drive_letter++) {
+    const char *drive_str=cdio_is_cdrom(drive_letter);
+    if (drive_str != NULL) {
+      return strdup(drive_str);
+    }
+  }
+#endif
+  return NULL;
+}
+
+/*!  
+  Return true if source_name could be a device containing a CD-ROM.
+*/
+bool
+cdio_is_device_win32(const char *source_name)
+{
+  unsigned int len;
+  len = strlen(source_name);
+
+  if (NULL == source_name) return false;
+
+#ifdef HAVE_WIN32_CDROM
+  if ((len == 2) && isalpha(source_name[0]) 
+	    && (source_name[len-1] == ':'))
+    return true;
+
+  if ( ! WIN_NT ) return false;
+
+  /* Test to see if of form: \\.\x: */
+  return ( (len == 6) 
+	   && source_name[0] == '\\' && source_name[1] == '\\'
+	   && source_name[2] == '.'  && source_name[3] == '\\'
+	   && isalpha(source_name[len-2])
+	   && (source_name[len-1] == ':') );
+#else 
+  return false;
+#endif
+}
+
+/*!
+  Initialization routine. This is the only thing that doesn't
+  get called via a function pointer. In fact *we* are the
+  ones to set that up.
+ */
+CdIo *
+cdio_open_win32 (const char *source_name)
+{
+
+#ifdef HAVE_WIN32_CDROM
+  CdIo *ret;
+  _img_private_t *_data;
+
+  cdio_funcs _funcs = {
+    .eject_media        = _cdio_eject_media,
+    .free               = _cdio_win32_free,
+    .get_arg            = _cdio_get_arg,
+    .get_default_device = cdio_get_default_device_win32,
+    .get_devices        = cdio_get_devices_win32,
+    .get_first_track_num= _cdio_get_first_track_num,
+    .get_mcn            = _cdio_get_mcn, 
+    .get_num_tracks     = _cdio_get_num_tracks,
+    .get_track_format   = _cdio_get_track_format,
+    .get_track_green    = _cdio_get_track_green,
+    .get_track_lba      = NULL, /* This could be implemented if need be. */
+    .get_track_msf      = _cdio_get_track_msf,
+    .lseek              = NULL,
+    .read               = NULL,
+    .read_audio_sectors = _cdio_read_audio_sectors,
+    .read_mode1_sector  = _cdio_read_mode1_sector,
+    .read_mode1_sectors = _cdio_read_mode1_sectors,
+    .read_mode2_sector  = _cdio_read_mode2_sector,
+    .read_mode2_sectors = _cdio_read_mode2_sectors,
+    .set_arg            = _cdio_set_arg,
+    .stat_size          = _cdio_stat_size
+  };
+
+  _data                 = _cdio_malloc (sizeof (_img_private_t));
+  _data->gen.init       = false;
+  _data->gen.fd         = -1;
+
+  _cdio_set_arg(_data, "source", (NULL == source_name) 
+		? cdio_get_default_device_win32(): source_name);
+
+  ret = cdio_new (_data, &_funcs);
+  if (ret == NULL) return NULL;
+
+  if (_cdio_init_win32(_data))
+    return ret;
+  else {
+    _cdio_win32_free (_data);
+    return NULL;
+  }
+  
+#else 
+  return NULL;
+#endif /* HAVE_WIN32_CDROM */
+
+}
+
+bool
+cdio_have_win32 (void)
+{
+#ifdef HAVE_WIN32_CDROM
+  return true;
+#else 
+  return false;
+#endif /* HAVE_WIN32_CDROM */
+}