DVD ISO image converted to .aaruf gets a pregap appended #437

New Issue

claunia · 2026-01-29T15:18:44Z

claunia commented

2026-01-29 15:18:44 +00:00

Originally created by @FakeShemp on GitHub (Jul 9, 2020).

Prerequisites

Are you running the latest version?
Can you reproduce the problem in the debug version?

Check and fill as appropriate:

I was running Aaru under Linux [version here]...
...using .NET Core [3.1]...
...in 64-bit

Description

When converting a DVD ISO image to aaruf, the resulting image has a pregap added to it.

Exact command line used:

./aaru i convert PlextorDriver.iso Plextor\ DVD\ Writing\ Software\ \(Windows\).aaruf

Expected behavior:

Since it's a DVD image, it should have no pregap.

Actual behavior:

The image got a pregap

Output of command execution with debug output enabled

aaru 5.0.99.2991+f0e3c6a2 built by rebecca-H67MA-UD2H-B3 in Debug
Copyright © 2011-2020 Natalia Portillo

Uploading statistics
Image format identified by Aaru Format (49360069-1784-4a2f-b723-0c844d610b0a).

Image information:
Format: Aaru version 1.0
Was created with Aaru version 5.0
Image without headers is 633529187 bytes long
Contains a media of 415280 sectors with a maximum sector size of 2048 bytes (if all sectors are of the same size this would be 850493440 bytes)
Created on 7/9/2020 8:18:28 PM
Last modified on 7/9/2020 8:23:51 PM
Contains a media of type DVDROM and XML type OpticalDisc
Has partitions
Has sessions
Media title: PlextorDriver
Contains 2 readable media tags:
DVD_PFI DVD_DMI 

DVD Physical Format Information contained in image:
Disc is a 120mm DVD-ROM version 1
Disc claims conformation to ECMA-267
Disc maximum transfer rate is 2,52 Mbit/sec.
Disc has 1 layers
Pitch size is 0,267 μm/bit
Track size is 0,74 μm
Data area starts at PSN 30000h
Data area ends at PSN 9562Fh

Image sessions:
Session  First track  Last track  Start       End         
=========================================================
1        1            1           0           415279      

Image tracks:
Track  Type             Bps   Raw bps Subchannel  Pregap  Start       End         
=================================================================================
1      Data             2048  2048    None        150     0           415279      

Track indexes:
Track  Index  Start       
=======================
1      0      -150        
1      1      0

Originally created by @FakeShemp on GitHub (Jul 9, 2020). ### Prerequisites * [X] Are you running the latest version? * [X] Can you reproduce the problem in the debug version? ### Check and fill as appropriate: * [X] I was running Aaru under Linux [version here]... * [X] ...using .NET Core [3.1]... * [X] ...in 64-bit ### Description When converting a DVD ISO image to aaruf, the resulting image has a pregap added to it. ### Exact command line used: `./aaru i convert PlextorDriver.iso Plextor\ DVD\ Writing\ Software\ \(Windows\).aaruf` ### Expected behavior: Since it's a DVD image, it should have no pregap. ### Actual behavior: The image got a pregap ### Output of command execution <s>with debug output enabled</s> ``` aaru 5.0.99.2991+f0e3c6a2 built by rebecca-H67MA-UD2H-B3 in Debug Copyright © 2011-2020 Natalia Portillo Uploading statistics Image format identified by Aaru Format (49360069-1784-4a2f-b723-0c844d610b0a). Image information: Format: Aaru version 1.0 Was created with Aaru version 5.0 Image without headers is 633529187 bytes long Contains a media of 415280 sectors with a maximum sector size of 2048 bytes (if all sectors are of the same size this would be 850493440 bytes) Created on 7/9/2020 8:18:28 PM Last modified on 7/9/2020 8:23:51 PM Contains a media of type DVDROM and XML type OpticalDisc Has partitions Has sessions Media title: PlextorDriver Contains 2 readable media tags: DVD_PFI DVD_DMI DVD Physical Format Information contained in image: Disc is a 120mm DVD-ROM version 1 Disc claims conformation to ECMA-267 Disc maximum transfer rate is 2,52 Mbit/sec. Disc has 1 layers Pitch size is 0,267 μm/bit Track size is 0,74 μm Data area starts at PSN 30000h Data area ends at PSN 9562Fh Image sessions: Session First track Last track Start End ========================================================= 1 1 1 0 415279 Image tracks: Track Type Bps Raw bps Subchannel Pregap Start End ================================================================================= 1 Data 2048 2048 None 150 0 415279 Track indexes: Track Index Start ======================= 1 0 -150 1 1 0 ```

Sign in to join this conversation.

1 Participants

Notifications

Due Date

No due date set.

Dependencies

No dependencies set.

Reference: aaru-dps/Aaru-aaru-dps#437