Mew API function burn_disc_available_space()
This commit is contained in:
102
libburn/mmc.c
102
libburn/mmc.c
@ -251,8 +251,10 @@ int mmc_read_track_info(struct burn_drive *d, int trackno, struct buffer *buf)
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d->current_profile == 0x12 )
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/* DVD+RW , DVD-RW restricted overwrite , DVD-RAM */
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trackno = 1;
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else if (d->current_profile == 0x11 ||
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d->current_profile == 0x14) /* DVD-R[W] Sequential */
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else if (d->current_profile == 0x10 ||
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d->current_profile == 0x11 ||
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d->current_profile == 0x14)
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/* DVD-ROM , DVD-R[W] Sequential */
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trackno = d->last_track_no;
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else /* mmc5r03c.pdf: valid only for CD, DVD+R, DVD+R DL */
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trackno = 0xFF;
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@ -275,13 +277,7 @@ int mmc_read_track_info(struct burn_drive *d, int trackno, struct buffer *buf)
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int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
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{
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struct buffer buf;
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int ret;
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#ifdef Libburn_get_nwa_standalonE
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struct command c;
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int i;
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#endif
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int ret, num;
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unsigned char *data;
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mmc_function_spy("mmc_get_nwa");
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@ -290,43 +286,27 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
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d->current_profile == 0x12 )
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/* DVD+RW , DVD-RW restricted overwrite , DVD-RAM */
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trackno = 1;
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else if (d->current_profile == 0x11 ||
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d->current_profile == 0x14) /* DVD-R[W] Sequential */
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else if (d->current_profile == 0x10 ||
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d->current_profile == 0x11 ||
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d->current_profile == 0x14)
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/* DVD-ROM, DVD-R[W] Sequential */
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trackno = d->last_track_no;
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else /* mmc5r03c.pdf: valid only for CD, DVD+R, DVD+R DL */
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trackno = 0xFF;
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}
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#ifdef Libburn_get_nwa_standalonE
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c.retry = 1;
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c.oplen = sizeof(MMC_TRACK_INFO);
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memcpy(c.opcode, MMC_TRACK_INFO, sizeof(MMC_TRACK_INFO));
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c.opcode[1] = 1;
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for (i = 0; i < 4; i++)
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c.opcode[2 + i] = (trackno >> (24 - 8 * i)) & 0xff;
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c.page = &buf;
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c.dir = FROM_DRIVE;
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d->issue_command(d, &c);
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data = c.page->data;
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#else /* Libburn_get_nwa_standalonE */
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ret = mmc_read_track_info(d, trackno, &buf);
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if (ret <= 0)
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return ret;
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data = buf.data;
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#endif /* ! Libburn_get_nwa_standalonE */
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*lba = (data[8] << 24) + (data[9] << 16)
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+ (data[10] << 8) + data[11];
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*nwa = (data[12] << 24) + (data[13] << 16)
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+ (data[14] << 8) + data[15];
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if (d->current_profile == 0x1a || d->current_profile == 0x13) {
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/* DVD+RW or DVD-RW restricted overwrite */
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*lba = *nwa = 0;
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*lba = mmc_four_char_to_int(data + 8);
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*nwa = mmc_four_char_to_int(data + 12);
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num = mmc_four_char_to_int(data + 16);
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if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
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d->current_profile == 0x12) {
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/* overwriteable */
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*lba = *nwa = num = 0;
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} else if (!(data[7]&1)) {
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/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
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libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
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@ -334,6 +314,8 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
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"mmc_get_nwa: Track Info Block: NWA_V == 0", 0, 0);
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return 0;
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}
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if (num > 0)
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d->media_capacity_remaining = ((off_t) num) * ((off_t) 2048);
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return 1;
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}
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@ -546,8 +528,7 @@ int mmc_fake_toc_entry(struct burn_toc_entry *entry, int session_number,
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entry->tno = 0;
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entry->point = track_number & 0xff;
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entry->point_msb = (track_number >> 8) & 0xff;
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num = (size_data[0] << 24) | (size_data[1] << 16) |
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(size_data[2] << 8) | size_data[3];
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num = mmc_four_char_to_int(size_data);
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entry->track_blocks = num;
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burn_lba_to_msf(num, &min, &sec, &frames);
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if (min > 255) {
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@ -559,8 +540,7 @@ int mmc_fake_toc_entry(struct burn_toc_entry *entry, int session_number,
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entry->sec = sec;
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entry->frame = frames;
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entry->zero = 0;
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num = (start_data[0] << 24) | (start_data[1] << 16) |
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(start_data[2] << 8) | start_data[3];
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num = mmc_four_char_to_int(start_data);
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entry->start_lba = num;
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burn_lba_to_msf(num, &min, &sec, &frames);
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if (min > 255) {
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@ -644,8 +624,15 @@ int mmc_fake_toc(struct burn_drive *d)
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entry;
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}
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if (session_number > d->disc->sessions)
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if (session_number > d->disc->sessions) {
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if (i == d->last_track_no - 1) {
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/* ts A70212 : Last track field Free Blocks */
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d->media_capacity_remaining =
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((off_t) mmc_four_char_to_int(tdata + 16)) *
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((off_t) 2048);
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}
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continue;
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}
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entry = &(d->toc_entry[i + session_number - 1]);
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track = burn_track_create();
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@ -924,6 +911,9 @@ void mmc_read_disc_info(struct burn_drive *d)
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d->erasable = 0;
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d->last_track_no = 1;
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/* ts A70212 */
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d->media_capacity_remaining = 0;
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/* ts A61202 */
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d->toc_entries = 0;
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if (d->status == BURN_DISC_EMPTY)
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@ -1006,6 +996,15 @@ void mmc_read_disc_info(struct burn_drive *d)
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*/
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d->bg_format_status = data[7] & 3;
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/* Preliminarily declare blank:
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ts A61219 : DVD+RW (is not bg_format_status==0 "blank")
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ts A61229 : same for DVD-RW Restricted overwrite
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ts A70112 : same for DVD-RAM
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*/
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if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
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d->current_profile == 0x12)
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d->status = BURN_DISC_BLANK;
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if (d->status == BURN_DISC_BLANK) {
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d->last_track_no = 1; /* The "incomplete track" */
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d->complete_sessions = 0;
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@ -1023,15 +1022,6 @@ void mmc_read_disc_info(struct burn_drive *d)
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d->last_track_no = (data[11] << 8) | data[6];
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}
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/* Preliminarily declare blank:
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ts A61219 : DVD+RW (is not bg_format_status==0 "blank")
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ts A61229 : same for DVD-RW Restricted overwrite
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ts A70112 : same for DVD-RAM
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*/
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if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
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d->current_profile == 0x12)
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d->status = BURN_DISC_BLANK;
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if (do_read_toc)
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mmc_read_toc(d);
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}
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@ -1503,10 +1493,7 @@ void mmc_get_configuration(struct burn_drive *d)
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if (c.error)
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return;
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len = (c.page->data[0] << 24)
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| (c.page->data[1] << 16)
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| (c.page->data[2] << 8)
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| c.page->data[3];
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len = mmc_four_char_to_int(c.page->data);
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if (len<8)
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return;
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@ -1743,14 +1730,20 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
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/* Criterion is proximity to quick intermediate state */
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if (type == 0x00) { /* full format (with lead out) */
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score = 1 * sign;
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if(d->current_profile == 0x12 &&
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d->media_capacity_remaining == 0)
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d->media_capacity_remaining = size;
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} else if (type == 0x10) { /* DVD-RW full format */
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score = 10 * sign;
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} else if(type == 0x13) { /* DVD-RW quick grow last session */
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score = 100 * sign;
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} else if(type == 0x15) { /* DVD-RW Quick */
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score = 50 * sign;
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if(d->current_profile == 0x13)
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d->media_capacity_remaining = size;
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} else if(type == 0x26) { /* DVD+RW */
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score = 1 * sign;
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d->media_capacity_remaining = size;
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} else {
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continue;
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}
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@ -2226,6 +2219,7 @@ int mmc_setup_drive(struct burn_drive *d)
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d->num_format_descr = 0;
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d->complete_sessions = 0;
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d->last_track_no = 1;
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d->media_capacity_remaining = 0;
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return 1;
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}
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