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New API call burn_drive_set_speed_exact()

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This commit is contained in:
Thomas Schmitt
2020-08-24 15:28:15 +02:00
parent 8d934ee7b8
commit 0e1f5dc3da
6 changed files with 53 additions and 6 deletions
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18
libburn/libburn.h
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@ -2996,7 +2996,7 @@ int burn_track_get_counters(struct burn_track *t,
off_t *read_bytes, off_t *written_bytes);
/** Sets drive read and write speed
/** Sets drive read and write speed.
Note: "k" is 1000, not 1024.
1xCD = 176.4 k/s, 1xDVD = 1385 k/s, 1xBD = 4496 k/s.
Fractional speeds should be rounded up. Like 4xCD = 706.
@ -3007,6 +3007,22 @@ int burn_track_get_counters(struct burn_track *t,
void burn_drive_set_speed(struct burn_drive *d, int read, int write);
/* ts C00822 */
/** Sets drive read and write speed using the "Exact" bit of SCSI command
SET STREAMING. This command will be used even if a CD medium is present.
MMC specifies that with the Exact bit the desired speed settings shall
either be obeyed by the drive exactly, or that the drive shall indicate
failure and not accept the settings.
The call parameters have the same meaning as with burn_drive_set_speed().
@param d The drive to set speed for. It must be a role 1 drive.
@param read Read speed in k/s (0 is max, -1 is min).
@param write Write speed in k/s (0 is max, -1 is min).
@return 1=success , 0=failure
@since 1.5.4
*/
int burn_drive_set_speed_exact(struct burn_drive *d, int read, int write);
/* ts A70711 */
/** Controls the behavior with writing when the drive buffer is suspected to
be full. To check and wait for enough free buffer space before writing