Improved reaction on Damage Bit and missing NWA_V of READ TRACK INFORMATION
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@ -423,9 +423,12 @@ 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 = NULL;
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int ret, num, alloc_len = 20;
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int ret, num, alloc_len = 20, err;
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unsigned char *data;
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char *msg = NULL;
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if (trackno <= 0)
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d->next_track_damaged = 0;
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mmc_start_if_needed(d, 1);
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if (mmc_function_spy(d, "mmc_get_nwa") <= 0)
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{ret = -1; goto ex;}
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@ -447,16 +450,53 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
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/* >>> memorize track mode : data[6] & 0xf */;
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#endif
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{ static int fake_damage = 0; /* bit0= damage on , bit1= NWA_V off */
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if (fake_damage & 1)
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data[5] |= 32; /* Damage bit */
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if (fake_damage & 2)
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data[7] &= ~1;
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}
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BURN_ALLOC_MEM(msg, char, 160);
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if (trackno > 0)
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sprintf(msg, "Track number %d: ", trackno);
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else
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sprintf(msg, "Upcomming track: ");
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if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
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d->current_profile == 0x12 || d->current_profile == 0x43) {
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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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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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"mmc_get_nwa: Track Info Block: NWA_V == 0", 0, 0);
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} else if (data[5] & 32) { /* ts B10534 : MMC-5 6.27.3.7 Damage Bit */
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if (!(data[7] & 1)) { /* NWA_V is set to zero */
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/* "not closed due to an incomplete write" */
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strcat(msg, "Damaged, not closed and not writable");
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err= 0x00020185;
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} else {
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/* "may be recorded further in an incremental manner"*/
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strcat(msg, "Damaged and not closed");
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err= 0x00020186;
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}
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libdax_msgs_submit(libdax_messenger, d->global_index, err,
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LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
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msg, 0, 0);
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if (trackno <= 0)
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d->next_track_damaged |= ((!(data[7] & 1)) << 1) | 1;
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{ret = 0; goto ex;}
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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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strcat(msg, "No Next-Writable-Address");
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00020184,
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LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
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msg, 0, 0);
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if (trackno <= 0)
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d->next_track_damaged |= 2;
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{ret = 0; goto ex;}
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}
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if (num > 0) {
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burn_drive_set_media_capacity_remaining(d,
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@ -473,6 +513,7 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
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ret = 1;
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ex:
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BURN_FREE_MEM(buf);
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BURN_FREE_MEM(msg);
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return ret;
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}
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@ -4485,6 +4526,7 @@ int mmc_setup_drive(struct burn_drive *d)
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d->current_feat23h_byte4 = 0;
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d->current_feat23h_byte8 = 0;
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d->current_feat2fh_byte4 = -1;
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d->next_track_damaged = 0;
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d->needs_close_session = 0;
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d->needs_sync_cache = 0;
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d->bg_format_status = -1;
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