First commit after CVS conversion. Should be just administrative changes.

lib/cdda_interface/interface.c

@@ -0,0 +1,188 @@
+/*
+  $Id: interface.c,v 1.26 2008/04/16 17:00:40 karl Exp $
+
+  Copyright (C) 2005, 2008 Rocky Bernstein <rocky@gnu.org>
+  Copyright (C) 1998 Monty xiphmont@mit.edu
+  
+  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 3 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 <http://www.gnu.org/licenses/>.
+*/
+/******************************************************************
+ * Top-level interface module for cdrom drive access.  SCSI, ATAPI, etc
+ *    specific stuff are in other modules.  Note that SCSI does use
+ *    specialized ioctls; these appear in common_interface.c where the
+ *    generic_scsi stuff is in scsi_interface.c.
+ *
+ ******************************************************************/
+
+#include "common_interface.h"
+#include "low_interface.h"
+#include "utils.h"
+#include <cdio/bytesex.h>
+#include <cdio/mmc.h>
+
+static void _clean_messages(cdrom_drive_t *d)
+{
+  if(d){
+    if(d->messagebuf)free(d->messagebuf);
+    if(d->errorbuf)free(d->errorbuf);
+    d->messagebuf=NULL;
+    d->errorbuf=NULL;
+  }
+}
+
+/*!
+  Closes d and releases all storage associated with it except
+  the internal p_cdio pointer. 
+
+  @param d cdrom_drive_t object to be closed.
+  @return 0 if passed a null pointer and 1 if not in which case
+  some work was probably done.
+
+  @see cdio_cddap_close
+*/
+bool
+cdio_cddap_close_no_free_cdio(cdrom_drive_t *d)
+{
+  if(d){
+    if(d->opened)
+      d->enable_cdda(d,0);
+
+    _clean_messages(d);
+    if (d->cdda_device_name) free(d->cdda_device_name);
+    if (d->drive_model)      free(d->drive_model);
+    d->cdda_device_name = d->drive_model = NULL;
+    free(d);
+    return true;
+  }
+  return false;
+}
+
+/*!
+  Closes d and releases all storage associated with it.
+  Doubles as "cdrom_drive_free()". 
+
+  @param d cdrom_drive_t object to be closed.
+  @return 0 if passed a null pointer and 1 if not in which case
+  some work was probably done.
+
+  @see cdio_cddap_close_no_free_cdio
+*/
+int 
+cdio_cddap_close(cdrom_drive_t *d)
+{
+  if (d) {
+    CdIo_t *p_cdio = d->p_cdio;
+    cdio_cddap_close_no_free_cdio(d);
+    cdio_destroy (p_cdio);
+    return 1;
+  }
+  return 0;
+}
+
+/* finish initializing the drive! */
+int 
+cdio_cddap_open(cdrom_drive_t *d)
+{
+  int ret;
+  if(d->opened)return(0);
+
+  if ( (ret=cddap_init_drive(d)) )
+    return(ret);
+  
+  /* Check TOC, enable for CDDA */
+  
+  /* Some drives happily return a TOC even if there is no disc... */
+  {
+    int i;
+    for(i=0; i<d->tracks; i++)
+      if(d->disc_toc[i].dwStartSector<0 ||
+	 d->disc_toc[i+1].dwStartSector==0){
+	d->opened=0;
+	cderror(d,"009: CDROM reporting illegal table of contents\n");
+	return(-9);
+      }
+  }
+
+  if((ret=d->enable_cdda(d,1)))
+    return(ret);
+    
+  /*  d->select_speed(d,d->maxspeed); most drives are full speed by default */
+
+  if ( -1 == d->bigendianp ) {
+    d->bigendianp = data_bigendianp(d);
+  }
+  
+
+  return(0);
+}
+
+int 
+cdio_cddap_speed_set(cdrom_drive_t *d, int speed)
+{
+  return d->set_speed ? d->set_speed(d, speed) : 0;
+}
+
+long 
+cdio_cddap_read(cdrom_drive_t *d, void *buffer, lsn_t beginsector, 
+		long sectors)
+{
+  if (d->opened) {
+    if (sectors>0) {
+      sectors=d->read_audio(d, buffer, beginsector, sectors);
+
+      if (sectors > 0) {
+	/* byteswap? */
+	if ( d->bigendianp == -1 ) /* not determined yet */
+	  d->bigendianp = data_bigendianp(d);
+
+	if ( d->b_swap_bytes && d->bigendianp != bigendianp() ) {
+	  int i;
+	  uint16_t *p=(uint16_t *)buffer;
+	  long els=sectors*CDIO_CD_FRAMESIZE_RAW/2;
+	  
+	  for(i=0;i<els;i++)
+	    p[i]=UINT16_SWAP_LE_BE_C(p[i]);
+	}
+      }
+    }
+    return(sectors);
+  }
+  
+  cderror(d,"400: Device not open\n");
+  return(-400);
+}
+
+void 
+cdio_cddap_verbose_set(cdrom_drive_t *d,int err_action, int mes_action)
+{
+  d->messagedest=mes_action;
+  d->errordest=err_action;
+}
+
+extern char *
+cdio_cddap_messages(cdrom_drive_t *d)
+{
+  char *ret=d->messagebuf;
+  d->messagebuf=NULL;
+  return(ret);
+}
+
+extern char *
+cdio_cddap_errors(cdrom_drive_t *d)
+{
+  char *ret=d->errorbuf;
+  d->errorbuf=NULL;
+  return(ret);
+}
+