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New API function burn_get_read_capacity()

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This commit is contained in:
Thomas Schmitt 2008-12-17 09:19:34 +00:00
parent 1b5ab0834e
commit d50c90b7be
3 changed files with 24 additions and 3 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2008.12.13.144909" #define Cdrskin_timestamP "2008.12.17.091905"

7
libburn/drive.c
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@ -2507,3 +2507,10 @@ int burn_drive_set_media_capacity_remaining(struct burn_drive *d, off_t value)
return 1; return 1;
} }
/* ts A81215 : API */
int burn_get_read_capacity(struct burn_drive *d, int *capacity, int flag)
{
*capacity = d->media_read_capacity;
return (d->media_read_capacity != 0x7fffffff);
}

18
libburn/libburn.h
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@ -1254,7 +1254,7 @@ void burn_disc_erase(struct burn_drive *drive, int fast);
the format to use. See burn_disc_get_formats(), the format to use. See burn_disc_get_formats(),
burn_disc_get_format_descr(). burn_disc_get_format_descr().
Acceptable types are: 0x00, 0x01, 0x10, 0x11, 0x13, Acceptable types are: 0x00, 0x01, 0x10, 0x11, 0x13,
0x15, 0x26, 0x30, 0x31. 0x15, 0x26, 0x30, 0x31, 0x32.
If bit7 is set, then bit4 is set automatically. If bit7 is set, then bit4 is set automatically.
bit16= enable POW on blank BD-R bit16= enable POW on blank BD-R
@since 0.3.0 @since 0.3.0
@ -2417,6 +2417,20 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
char *data, off_t data_count, int flag); char *data, off_t data_count, int flag);
/* ts A81215 */
/** Inquire the maximum amount of readable data.
It is supposed that all LBAs in the range from 0 to media_read_acpacity-1
can be read via burn_read_data() although some of them may never have been
recorded. If tracks are recognizable then it is better to only read
LBAs which are part of some track.
@param d The drive from which to read
@param capacity Will return the result if valid
@param flag Bitfield for control purposes: Unused yet, submit 0.
@return 1=sucessful , <=0 an error occured
@since 0.6.0
*/
int burn_get_read_capacity(struct burn_drive *d, int *capacity, int flag);
/* ts A70812 */ /* ts A70812 */
/** Read data in random access mode. /** Read data in random access mode.
The drive must be grabbed successfully before calling this function. The drive must be grabbed successfully before calling this function.
@ -2426,7 +2440,7 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
This is a synchronous call which returns only after the full read job This is a synchronous call which returns only after the full read job
has ended (sucessfully or not). So it is wise not to read giant amounts has ended (sucessfully or not). So it is wise not to read giant amounts
of data in a single call. of data in a single call.
@param d The drive to which to write @param d The drive from which to read
@param byte_address The start address of the read in byte (aligned to 2048) @param byte_address The start address of the read in byte (aligned to 2048)
@param data A memory buffer capable of taking data_size bytes @param data A memory buffer capable of taking data_size bytes
@param data_size The amount of data to be read. This does not have to @param data_size The amount of data to be read. This does not have to