Project

General

Profile

Actions
Copy link

Feature #2045

closed

streamdev-client filter socketpair() buffer overflow and resulting streaming unreliability

Added by te36 almost 10 years ago. Updated almost 10 years ago.

Status:
Closed
Priority:
Normal
Assignee:
schmirl
Category:
Client
Target version:
0.6.1
Start date:
12/30/2014
Due date:
% Done:

100%

Estimated time:

Description

With "Filter Streaming" enabled in streamdev-client, client-VDRs can become unreliably streaming programs, such as described in the following and other threads.

The appended patch is a suggested solution to the problem and includes a description of the analysis.

http://www.vdr-portal.de/board16-video-disk-recorder/board55-vdr-plugins/125237-streamdev-client-filter-daten-streamen-ndr-raspberry-haengt/

http://www.vdr-portal.de/board16-video-disk-recorder/board5-vdr-konfiguration/121751-vdr-streaming-client-und-kan%C3%A4le-mit-regionalfenstern/

http://www.vdr-portal.de/board16-video-disk-recorder/board55-vdr-plugins/103786-streamdev-server-client-verbindung-times-out/

Files

Download all files
vdr-plugin-streamdev-filter-patch.diff (19.5 KB) vdr-plugin-streamdev-filter-patch.diff vdr-plugin-streamdev-filter-patch.diff te36, 12/30/2014 11:53 PM
vdr-plugin-streamdev-filter-patch2.diff (2.48 KB) vdr-plugin-streamdev-filter-patch2.diff te36, 01/08/2015 05:32 PM
Actions
Copy link
 #1

Updated by te36 almost 10 years ago

Second patch, additional to the first one. This improves the behavior of TimedWrite and reduces errors and stream breakage. See more details in the patch itself.

Actions
Copy link
 #2

Updated by te36 almost 10 years ago

Unrelated problem:

size 4096 for m_Buffer seems to be too small is too small for some programs. The following is output when watching Anixe HD. Doubling the size to 8192 did solve this problem.

Jan 9 14:13:29 ras-pi2 vdr: [7627] cStreamdevFilter::Reset skipping 4026 bytes
Jan 9 14:13:39 ras-pi2 vdr: [7627] ERROR: Streamdev: Section handler buffer overflow (70 bytes lost)
Jan 9 14:13:39 ras-pi2 vdr: [7627] cStreamdevFilter::Reset skipping 4026 bytes
Jan 9 14:13:49 ras-pi2 vdr: [7627] ERROR: Streamdev: Section handler buffer overflow (70 bytes lost)
Jan 9 14:13:49 ras-pi2 vdr: [7627] cStreamdevFilter::Reset skipping 4026 bytes
Jan 9 14:13:59 ras-pi2 vdr: [7627] ERROR: Streamdev: Section handler buffer overflow (70 bytes lost)
Jan 9 14:13:59 ras-pi2 vdr: [7627] cStreamdevFilter::Reset skipping 4026 bytes
Jan 9 14:14:09 ras-pi2 vdr: [7627] ERROR: Streamdev: Section handler buffer overflow (70 bytes lost)
Jan 9 14:14:09 ras-pi2 vdr: [7627] cStreamdevFilter::Reset skipping 4026 bytes

Actions
Copy link
 #3

Updated by schmirl almost 10 years ago

  • Status changed from New to Closed
  • % Done changed from 90 to 100
Actions
Copy link

Also available in: Atom PDF