Support

Just received a reply on my tech support request to a third party ISV (independent software vendor, if anything). It took a month to respond with a few paragraphs of text, which however looks more like a template rather than requested information. I am not even sure who does a favor to whom, me to them trying to sort issues out or they helping our client (not us, in fact).

We do care about our customers and I really think we do it right way because they write like this:

You have the best support of any mission critical software we use in our business. It is very much appreciated.

By the way, though it is a my decision to not mention the titles of the product and the company under this “Seriously” category, I see it is still here in Google AdSense context advertisement. Thus, Google is clever enough to reveal the concealed.

MJPEG vs MPEG4

Overview

This white paper is intended to help the reader understand the roles and benefit of both the MJPEG and
the MPEG-4 compression methods, and when to use which one based on necessity and performance. It
begins with some basic concepts that relate to both image size (in pixels) and PPF (pixels per foot).
This is followed by some background information on compression: why it was needed, and how it is
accomplished; finally, each compression method is described separately, listing the key advantages of
each.

MJPEG vs MPEG4 from onssi.com

Pixord RTSP compatible devices

Here go RTSP compatible hardware from Pixord (connected to with RTSP Client):

Connection to p400.demo.pixord.com:554 using TCP

OPTIONS * RTSP/1.0
CSeq: 1

RTSP/1.0 200 OK
CSeq: 1
Public: DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE

DESCRIBE rtsp://p400.demo.pixord.com RTSP/1.0
CSeq: 2
Authorization: Basic YWRtaW46YWRtaW4
Accept: application/sdp

RTSP/1.0 200 OK
CSeq: 2
Content-Base: rtsp://p400.demo.pixord.com/
Content-Type: application/sdp
Content-Length: 251

v=0
o=- 1 1 IN IP4 127.0.0.1
s=Test
a=type:broadcast
t=0 0
c=IN IP4 0.0.0.0
m=video 0 RTP/AVP 96
a=rtpmap:96 MP4V-ES/90000
a=fmtp:96 profile-level-id=245;config=000001B0F5000001B509000001000000012000C8889D53E1F4C5A10F05060F
a=control:track0

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Interactive RTSP Client

There has been a need in interactive RTSP (Real Time Streaming Protocol) utility to check RTSP-enabled MPEG-4 cameras – I did not find anything useful, so here goes in-house built one:

24-image001.PNG

Features:

  • TCP connections to RTSP servers (UDP is yet to do)
  • OPTIONS and DESCRIBE buttons provide templates for RTSP messages to send to RTSP server
  • Implements RFC 2617 Basic and Digest authentication (it will automatically provide Authorization header for Basic authentication with first DESCRIBE and after receiving 401 error with nonce value it will start providing Digest authentication with next DESCRIBEs
  • Prints traffic data with color highlighting and ability to copy/paste

See Also:

Partial Visual C++ .NET 2010 source code is available from SVN, release binary included (Win32).

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Axis demo cameras online (updated)

An updated list of Axis cameras online (spider bot discovery):

AXIS 206 Network Camera

AXIS 206M Network Camera

AXIS 206W Network Camera

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