Enhanced DVD-RW formatting
This commit is contained in:
parent
5fc55ec164
commit
e6cfff69eb
@ -475,6 +475,7 @@ void burn_disc_erase_sync(struct burn_drive *d, int fast)
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/*
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@param flag: bit0 = fill formatted size with zeros
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bit1, bit2 are for d->format_unit()
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*/
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void burn_disc_format_sync(struct burn_drive *d, off_t size, int flag)
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{
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@ -489,12 +490,12 @@ void burn_disc_format_sync(struct burn_drive *d, off_t size, int flag)
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#ifdef Libburn_format_ignore_sizE
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size = 0;
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#else
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stages = 1 + (flag & 1);
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stages = 1 + ((flag & 1) && size > 1024 * 1024);
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#endif
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d->cancel = 0;
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d->busy = BURN_DRIVE_FORMATTING;
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ret = d->format_unit(d, size, 0);
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ret = d->format_unit(d, size, flag & 6);
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if (ret <= 0)
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d->cancel = 1;
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/* reset the progress */
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@ -525,11 +526,11 @@ void burn_disc_format_sync(struct burn_drive *d, off_t size, int flag)
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burn_drive_inquire_media(d);
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if (flag & 1) {
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/* write size in zeros */;
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pbase = 0x8000;
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pbase = 0x8000 + 0x7fff * (stages == 1);
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pfill = 0xffff - pbase;
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buf_secs = 16; /* Must not be more than 16 */
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num_bufs = size / buf_secs / 2048;
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if (num_bufs <= 0 || num_bufs > 0x7fffffff) {
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if (num_bufs > 0x7fffffff) {
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d->cancel = 1;
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goto ex;
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}
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@ -853,6 +853,8 @@ void burn_disc_erase(struct burn_drive *drive, int fast);
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@param flag Bitfield for control purposes:
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bit0= after formatting, write the given number of zero-bytes
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to the media and eventually perform preliminary closing.
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bit1= insist in size 0 even if there is a better default known
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bit2= format to maximum available size
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*/
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void burn_disc_format(struct burn_drive *drive, off_t size, int flag);
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@ -347,6 +347,9 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
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0x00020127 (NOTE,HIGH) = Write start address is ...
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0x00020128 (FATAL,HIGH) = Unsupported inquiry_type with mmc_get_performance
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0x00020129 (SORRY,HIGH) = Will not format media type
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0x00020130 (SORRY,HIGH) = Drive and media state unsuitable for blanking
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0x00020131 (SORRY,HIGH) = No suitable formatting type offered by drive
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libdax_audioxtr:
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0x00020200 (SORRY,HIGH) = Cannot open audio source file
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189
libburn/mmc.c
189
libburn/mmc.c
@ -65,7 +65,6 @@ extern struct libdax_msgs *libdax_messenger;
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Todo:
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Determine first free lba for appending data.
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Determine start lba of most recent mkisofs session.
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*/
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@ -110,6 +109,11 @@ static unsigned char MMC_SET_STREAMING[] =
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static unsigned char MMC_GET_PERFORMANCE[] =
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{ 0xAC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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/* ts A70108 : To obtain info about drive and media formatting opportunities */
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static unsigned char MMC_READ_FORMAT_CAPACITIES[] =
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{ 0x23, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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static int mmc_function_spy_do_tell = 0;
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int mmc_function_spy(char * text)
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@ -1104,6 +1108,104 @@ void mmc_get_configuration(struct burn_drive *d)
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}
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/* ts A70108 */
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/* mmc5r03c.pdf 6.24 */
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int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
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{
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struct buffer buf;
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int len, type, score, num_descr, max_score = -1, i;
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off_t size;
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struct command c;
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unsigned char *dpt;
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char msg[160];
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mmc_function_spy("mmc_read_format_capacities");
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d->format_descr_type = 3;
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d->format_curr_max_size = 0;
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d->best_format_type = -1;
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d->best_format_size = 0;
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memcpy(c.opcode, MMC_READ_FORMAT_CAPACITIES,
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sizeof(MMC_GET_CONFIGURATION));
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c.retry = 1;
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c.oplen = sizeof(MMC_READ_FORMAT_CAPACITIES);
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c.opcode[7]= 0x02;
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c.opcode[8]= 0x00; /* accept 512 bytes (not more than 260 possible) */
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c.page = &buf;
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c.page->sectors = 0;
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c.page->bytes = 0;
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c.dir = FROM_DRIVE;
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d->issue_command(d, &c);
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if (c.error)
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return 0;
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len = c.page->data[3];
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if (len<8)
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return 0;
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dpt = c.page->data + 4;
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/* decode 6.24.3.2 Current/Maximum Capacity Descriptor */
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d->format_descr_type = dpt[4] & 3;
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d->format_curr_max_size = (((off_t) dpt[0]) << 24)
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+ (dpt[1] << 16) + (dpt[2] << 8) + dpt[3];
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sprintf(msg,
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"Current/Maximum Capacity Descriptor : type = %d : %.f",
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d->format_descr_type, (double) d->format_curr_max_size);
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libdax_msgs_submit(libdax_messenger, d->global_index, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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msg, 0, 0);
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d->format_curr_max_size *= (off_t) 2048;
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/* 6.24.3.3 Formattable Capacity Descriptors */
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num_descr = (len - 8) / 8;
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for (i = 0; i < num_descr; i++) {
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dpt = c.page->data + 12 + 8 * i;
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size = (((off_t) dpt[0]) << 24)
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+ (dpt[1] << 16) + (dpt[2] << 8) + dpt[3];
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size *= (off_t) 2048;
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type = dpt[4] >> 2;
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sprintf(msg, "Capacity Descriptor %2.2Xh %.fs = %.1f MB",type,
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(double) size / 2048 , (double) size / 1024 / 1024);
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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msg, 0, 0);
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if (type == 0x10) { /* full format */
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score = 1;
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} else if(type == 0x13) {
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score = 100;
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} else if(type == 0x15) {
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score = 50;
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} else {
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continue;
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}
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if(type == top_wanted)
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score+= 1000000000;
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if (score > max_score) {
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d->best_format_type = type;
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d->best_format_size = size;
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max_score = score;
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}
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}
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sprintf(msg,
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"best_format_type = %2.2Xh , best_format_size = %.f",
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d->best_format_type, (double) d->best_format_size);
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libdax_msgs_submit(libdax_messenger, d->global_index, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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msg, 0, 0);
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return 1;
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}
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void mmc_sync_cache(struct burn_drive *d)
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{
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struct command c;
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@ -1168,14 +1270,16 @@ int mmc_read_buffer_capacity(struct burn_drive *d)
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>>> all-in-one automat.
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@param size The size (in bytes) to be sent with the FORMAT comand
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@param flag unused yet, submit 0
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@param flag bit1= insist in size 0 even if there is a better default known
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bit2= format to maximum available size
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bit3= expand format up to at least size
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*/
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int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
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{
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struct buffer buf;
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struct command c;
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int ret, tolerate_failure = 0, return_immediately = 0, i;
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off_t num_of_blocks = 0;
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int ret, tolerate_failure = 0, return_immediately = 0, i, format_type;
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off_t num_of_blocks = 0, diff;
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char msg[160],descr[80];
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mmc_function_spy("mmc_format_unit");
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@ -1198,10 +1302,11 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
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/* >>> use case: background formatting during write */
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/* mmc5r03c.pdf , 6.5.4.2.14, DVD+RW Basic Format */
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c.page->data[8] = 0x26 << 2; /* Format type */
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format_type = 0x26;
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/* Note: parameter "size" is ignored here */
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memset(c.page->data + 4, 0xff, 4); /* maximum blocksize */
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if ((size <= 0 && !(flag & 2)) || (flag & (4 | 8)))
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/* maximum capacity */
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memset(c.page->data + 4, 0xff, 4);
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if (d->bg_format_status == 1) /* is partly formatted */
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c.page->data[11] = 1; /* Restart bit */
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@ -1217,22 +1322,67 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
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} else if (d->current_profile == 0x13) {/*DVD-RW restricted overwrite*/
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/* >>> use case: quick grow formatting during write */
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/* >>> check wether READ FORMAT CAPACITIES does report
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0x13 formatting. If not, skip this. It seems to work
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without formatting on e.g. freshly formatted media. */
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tolerate_failure = 1;
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ret = mmc_read_format_capacities(d, 0x13);
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if (ret > 0) {
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if (d->best_format_type == 0x13) {
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if (d->best_format_size <= 0)
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return 1;
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} else {
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/* formatted or intermediate state ? */
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if (d->format_descr_type == 2 ||
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d->format_descr_type == 3)
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return 1;
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/* does trying make sense at all ? */
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tolerate_failure = 1;
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}
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}
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if (d->best_format_type == 0x13 && (flag & (4 | 8))) {
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num_of_blocks = d->best_format_size / 2048;
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if (flag & 8) {
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/* num_of_blocks needed to reach size */
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diff = (size - d->format_curr_max_size) /32768;
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if ((size - d->format_curr_max_size) % 32768)
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diff++;
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diff *= 16;
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if (diff < num_of_blocks)
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num_of_blocks = diff;
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}
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if (num_of_blocks > 0)
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for (i = 0; i < 4; i++)
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c.page->data[4 + i] =
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(num_of_blocks >> (24 - 8 * i)) & 0xff;
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}
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/* 6.5.4.2.8 , DVD-RW Quick Grow Last Border */
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c.page->data[8] = 0x13 << 2; /* Format type */
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format_type = 0x13;
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c.page->data[11] = 16; /* block size * 2k */
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sprintf(descr, "DVD-RW, quick grow");
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} else if (d->current_profile == 0x14) {/*DVD-RW sequential recording*/
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/* >>> use case : transition from Sequential to Overwrite */
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/* 6.5.4.2.10 , DVD-RW Quick (-> Restricted Overwrite) */
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/* To Restricted Overwrite */
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/* 6.5.4.2.10 , 15h DVD-RW Quick */
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/* c.page->data[4-7]==0 : 0 blocks */
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c.page->data[8] = 0x15 << 2; /* Format type */
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/* or 6.5.4.2.5 Format Type = 10h (Full Format) */
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mmc_read_format_capacities(d, (flag & 4) ? 0x10 : 0x15);
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if (d->best_format_type == 0x15 ||
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d->best_format_type == 0x10) {
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if ((flag & 4) || d->best_format_type == 0x10) {
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num_of_blocks = d->best_format_size / 2048;
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for (i = 0; i < 4; i++)
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c.page->data[4 + i] =
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(num_of_blocks >> (24 - 8 * i)) & 0xff;
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}
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} else {
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00020131,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"No suitable formatting type offered by drive",
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0, 0);
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return 0;
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}
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format_type = d->best_format_type;
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c.page->data[11] = 16; /* block size * 2k */
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sprintf(descr, "DVD-RW, quick");
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return_immediately = 1; /* caller must do the waiting */
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@ -1246,9 +1396,16 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x0002011e,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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msg, 0,0);
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msg, 0, 0);
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return 0;
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}
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c.page->data[8] = format_type << 2;
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sprintf(msg, "Format type %2.2Xh , blocks = %d\n",
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format_type, (int) num_of_blocks);
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libdax_msgs_submit(libdax_messenger, d->global_index, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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msg, 0, 0);
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d->issue_command(d, &c);
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if (c.error && !tolerate_failure) {
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@ -141,6 +141,11 @@ struct burn_drive
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/* ts A61218 from 46h GET CONFIGURATION */
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int bg_format_status; /* 0=needs format start, 1=needs format restart*/
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/* ts A70108 from 23h READ FORMAT CAPACITY mmc5r03c.pdf 6.24 */
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int format_descr_type; /* 1=unformatted, 2=formatted, 3=unclear */
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off_t format_curr_max_size; /* meaning depends on format_descr_type */
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int best_format_type;
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off_t best_format_size;
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volatile int released;
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@ -975,6 +975,19 @@ int burn_disc_setup_dvd_minus_rw(struct burn_write_opts *o,
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char msg[160];
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int ret;
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d->nwa = 0;
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if (o->start_byte >= 0) {
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d->nwa = o->start_byte / 32768; /* align to 32 kB */
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sprintf(msg, "Write start address is %d * 32768", d->nwa);
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00020127,
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LIBDAX_MSGS_SEV_NOTE, LIBDAX_MSGS_PRIO_HIGH,
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msg, 0,0);
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d->nwa *= 16; /* convert to 2048 block units */
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}
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if (d->current_profile == 0x13) { /* DVD-RW restricted overwrite */
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/* ??? mmc5r03c.pdf 7.5.2 :
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@ -995,7 +1008,9 @@ int burn_disc_setup_dvd_minus_rw(struct burn_write_opts *o,
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d->busy = BURN_DRIVE_FORMATTING;
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ret = d->format_unit(d, (off_t) 0, 0); /* "quick grow" */
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/* "quick grow" to at least byte equivalent of d->nwa */
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ret = d->format_unit(d, (off_t) d->nwa * (off_t) 2048,
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(d->nwa > 0) << 3);
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if (ret <= 0)
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return 0;
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d->busy = BURN_DRIVE_WRITING;
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@ -1010,17 +1025,6 @@ int burn_disc_setup_dvd_minus_rw(struct burn_write_opts *o,
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return 0;
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}
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d->nwa = 0;
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if (o->start_byte >= 0) {
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d->nwa = o->start_byte / 32768;
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sprintf(msg, "Write start address is %d * 32768", d->nwa);
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00020127,
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LIBDAX_MSGS_SEV_NOTE, LIBDAX_MSGS_PRIO_HIGH,
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msg, 0,0);
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}
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/* >>> perform OPC if needed */;
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/* >>> */;
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