[DVD] fix: libdvd's stream API doesn't handle incomplete reads well

[Voyager1]

as title

Description

streaming API in libdvd doesn't handle incomplete reads very well, as identified by a user who was trying to read DVD iso over an ftp connection.

Motivation and Context

How Has This Been Tested?

tested using an ISO via an ftp connection

Screenshots (if appropriate):

Types of change

• Bug fix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves existing functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the Code guidelines of this project
• My change requires a change to the documentation, either Doxygen or wiki
• I have updated the documentation accordingly
• I have read the CONTRIBUTING document
• I have added tests to cover my change
• All new and existing tests passed

[MilhouseVH]

Thanks, I'll include this in tonight's test build and get some feedback.

[Voyager1]

jenkins build this please

[Voyager1]

@MilhouseVH - have you received any feedback yet?

[MilhouseVH]

@Voyager1 none so far. Unfortunately the user hasn't been back on the forum since reporting it, however I've just sent him a PM.

[MilhouseVH]

@Voyager1 Still no feedback I'm afraid - have followed it up with a forum email. I assume it now works, but if not then take your time to fix it... :)

[Voyager1]

@MilhouseVH - thanks. At least in my tests I reproduced the issue and was able to confirm that the fix remediated it.