/* finish initializing the drive! */
int
cdio_cddap_open(cdrom_drive_t *d)
{
int ret;
if(d->opened)return(0);
#if HAVE_SCSI_HANDLING
switch(d->interface){
case GENERIC_SCSI:
if((ret=scsi_init_drive(d)))
return(ret);
break;
case COOKED_IOCTL:
if((ret=cooked_init_drive(d)))
return(ret);
break;
default:
cderror(d, "100: Interface not supported\n");
return(-100);
}
#else
d->cdpinterface = COOKED_IOCTL;
if ( (ret=cooked_init_drive(d)) )
return(ret);
#endif
/* 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 (d->bigendianp==-1)
d->bigendianp=data_bigendianp(d);
return(0);
}
long cdda_read(cdrom_drive *d, void *buffer, long beginsector, long sectors){
if(d->opened){
if(sectors>0){
sectors=d->read_audio(d,buffer,beginsector,sectors);
if(sectors!=-1){
/* byteswap? */
if(d->bigendianp==-1) /* not determined yet */
d->bigendianp=data_bigendianp(d);
if(d->bigendianp!=bigendianp()){
int i;
u_int16_t *p=(u_int16_t *)buffer;
long els=sectors*CD_FRAMESIZE_RAW/2;
for(i=0;i<els;i++)p[i]=swap16(p[i]);
}
}
}
return(sectors);
}
cderror(d,"400: Device not open\n");
return(-400);
}
/* 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);
}
static long int
read_blocks (cdrom_drive_t *d, void *p, lsn_t begin, long i_sectors)
{
int retry_count = 0;
int err;
char *buffer=(char *)p;
do {
err = cdio_read_audio_sectors( d->p_cdio, buffer, begin, i_sectors);
if ( 0 != err ) {
if (!d->error_retry) return -7;
if (i_sectors==1) {
/* *Could* be I/O or media error. I think. If we're at
30 retries, we better skip this unhappy little
sector. */
if (retry_count>MAX_RETRIES-1) {
char b[256];
snprintf(b, sizeof(b),
"010: Unable to access sector %ld: skipping...\n",
(long int) begin);
cderror(d, b);
return -10;
}
break;
}
if(retry_count>4)
if(i_sectors>1)
i_sectors=i_sectors*3/4;
retry_count++;
if (retry_count>MAX_RETRIES) {
cderror(d,"007: Unknown, unrecoverable error reading data\n");
return(-7);
}
} else
break;
} while (err);
return(i_sectors);
}
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;
/* Note: Something perhaps in the original cdparanoia code might
cause the code to access outside of the allocated range of
buffer. This comment is just to serve as a marker for
the loop where the data got clobbered. I don't think this
code however is wrong. See the comment in i_read_c_block
of paranioa.c
*/
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);
}
static long int
read_blocks (cdrom_drive_t *d, void *p, lsn_t begin, long i_sectors)
{
int retry_count = 0;
int err;
int ret = 0;
char *buffer=(char *)p;
if(p==NULL)buffer = malloc(i_sectors*CD_FRAMESIZE_RAW);
do {
struct timespec tv1;
struct timespec tv2;
int ret1,ret2;
ret1 = gettime(&tv1);
err = cdio_read_audio_sectors( d->p_cdio, buffer, begin, i_sectors);
ret2 = gettime(&tv2);
if(ret1<0 || ret2<0) {
d->last_milliseconds=-1;
} else {
d->last_milliseconds = (tv2.tv_sec-tv1.tv_sec)*1000. + (tv2.tv_nsec-tv1.tv_nsec)/1000000.;
}
if ( DRIVER_OP_SUCCESS != err ) {
if (!d->error_retry) {
ret=-7;
goto done;
}
if (i_sectors==1) {
/* *Could* be I/O or media error. I think. If we're at
30 retries, we better skip this unhappy little
sector. */
if (retry_count>MAX_RETRIES-1) {
char b[256];
snprintf(b, sizeof(b),
"010: Unable to access sector %ld: skipping...\n",
(long int) begin);
cderror(d, b);
ret=-10;
goto done;
}
}
if(retry_count>4)
if(i_sectors>1)
i_sectors=i_sectors*3/4;
retry_count++;
if (retry_count>MAX_RETRIES) {
cderror(d,"007: Unknown, unrecoverable error reading data\n");
ret=-7;
goto done;
}
} else
break;
} while (err);
ret=i_sectors;
done:
if(p==NULL && buffer)free(buffer);
return ret;
}
