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Ticket 93: write speeds from ACh GET PERFORMANCE, Type 03h, DVD media capacity

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This commit is contained in:
Thomas Schmitt
2006-12-25 19:00:26 +00:00
parent d4711abba8
commit 979e35d979
6 changed files with 141 additions and 14 deletions
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17
libburn/spc.c
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@ -132,7 +132,7 @@ void spc_sense_caps(struct burn_drive *d)
{
struct buffer buf;
struct scsi_mode_data *m;
int size, page_length, num_write_speeds = 0, i, speed;
int size, page_length, num_write_speeds = 0, i, speed, ret;
unsigned char *page;
struct command c;
@ -174,7 +174,6 @@ void spc_sense_caps(struct burn_drive *d)
m->cdr_write = page[3] & 1;
m->c2_pointers = page[5] & 16;
m->valid = 1;
m->underrun_proof = page[4] & 128;
/* ts A61021 : these fields are marked obsolete in MMC 3 */
@ -187,6 +186,11 @@ void spc_sense_caps(struct burn_drive *d)
/* ts A61021 : New field to be set by atip (or following MMC-3 info) */
m->min_write_speed = m->max_write_speed;
/* ts A61225 : for ACh GET PERFORMANCE, Type 03h */
m->min_end_lba = 0x7fffffff;
m->max_end_lba = 0;
m->valid = 1;
/* ts A61225 : end of MMC-1 , begin of MMC-3 */
if (page_length < 32) /* no write speed descriptors ? */
@ -216,7 +220,14 @@ void spc_sense_caps(struct burn_drive *d)
if (speed_debug)
fprintf(stderr,
"LIBBURN_DEBUG: min_write_speed = %d , max_write_speed = %d\n",
"LIBBURN_DEBUG: 5Ah,2Ah min_write_speed = %d , max_write_speed = %d\n",
m->min_write_speed, m->max_write_speed);
ret = mmc_get_write_performance(d);
if (ret > 0 && speed_debug)
fprintf(stderr,
"LIBBURN_DEBUG: ACh min_write_speed = %d , max_write_speed = %d\n",
m->min_write_speed, m->max_write_speed);
}