Track size for the DVD+RW?
Hi!
I have burned the iso image (4683169792 bytes) on the DVD+RW. (The image was
already rounded up to the closest 32KB). The dvd+rw-mediainfo output is:
INQUIRY: [TEAC ][DV-W516GA ][C4S2]
GET [CURRENT] CONFIGURATION:
Mounted Media: 1Ah, DVD+RW
Media ID: MCC/A01
Current Write Speed: 2.4x1385=3324KB/s
Write Speed #0: 2.0x1385=2770KB/s
GET [CURRENT] PERFORMANCE:
Write Performance: 2.4x1385=3324KB/s@[0 -> 2295103]
Speed Descriptor#0: 00/2295103 R@8.0x1385=11072KB/s W@2.4x1385=3324KB/s
READ DVD STRUCTURE[#0h]:
Media Book Type: 92h, DVD+RW book [revision 2]
Legacy lead-out at: 2286704*2KB=4683169792
READ DISC INFORMATION:
Disc status: complete
Number of Sessions: 1
State of Last Session: complete
Number of Tracks: 1
BG Format Status: suspended
READ TRACK INFORMATION[#1]:
Track State: complete
Track Start Address: 0*2KB
Free Blocks: 0*2KB
Track Size: 2295104*2KB
FABRICATED TOC:
Track#1 : 14@0
Track#AA : 14@2295104
Multi-session Info: #1@0
READ CAPACITY: 2295104*2048=4700372992
I wanted to verify the result in my DVD-ROM (Toshiba SD-M1802), but I was able
to read only 4683167744 bytes (exactly the image size - 2048). I tried "dd
if=/dev/dvdrom bs=2048", "wc -c /dev/dvdrom", "cksum /dev/dvdrom"...
Then I returned this DVD+RW back into my DVD recorder (Teac DV-W516GA) and also
tried the to "dd if=/dev/dvdrw bs=2048" and "wc -c /dev/dvdrw". This time it
returned 4700372992 bytes (whole media capacity)...
Can anyone tell me what's the difference between "Legacy lead-out" and the
"Track Size"? And why the DVD recorder reads the whole media and the DVD-ROM
drive doesn't read the entire track?
To burn the image I used both - growisofs 5.12 and cdrecord-ProDVD 2.01. The
result was the same. My Linux kernel is 2.4.26 with dvd+rw-tools patch.
Thanks.
Ales
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