Smart CODEC Guide

Author: IPVM Team, Published on Nov 29, 2016

Smart codecs are a next 'big thing'.

With cameras having more and more processing power available, it is enabling them to make 'smarter' decisions about how they compress video.

The marketing names will vary. Some include 'Zipstream', 'Smart Coding', 'H.264+', 'Smart Stream II' and more. It is also critical to keep in mind that the implementations and bandwidth savings can vary dramatically.

In this Guide, we explain what Smart CODECs attempt to do and the most common implementations.

To understand this, you must have a good understanding of CODECs, compression and bandwidth variations. Please first review our:

'Normal' CODECs today, like 'regular' H.264, set one compression level, one I frame interval. 'Smart' CODECs change one or both of those, reviewed inside.

***** ****** *** * **** '*** *****'.

**** ******* ****** **** *** **** ********** ***** *********, ** is ******** **** ** **** '*******' ********* ***** *** **** compress *****.

*** ********* ***** **** ****. **** ******* '*********', '***** ******', 'H.264+', '***** ****** **' *** ****. ** ** **** ******** to **** ** **** **** *** *************** *** ********* ******* can **** ************.

** **** *****, ** ******* **** ***** ****** ******* ** do *** *** **** ****** ***************.

** ********** ****, *** **** **** * **** ************* ** CODECs, *********** *** ********* **********. ****** ***** ****** ***:

'******' ****** *****, **** '*******' *.***, *** *** *********** *****, one * ***** ********. '*****' ****** ****** *** ** **** of *****, ******** ******.

[***************]

"Normal" ******

** ****** ******, *** **** ** *** *** **** **********:

  • *********** ***** (********* ****** ******* ** ************)
  • * ***** ******** (********* ****** *** ** ***)

**** ** *** *** *** ***** ** *****, **** ***** with ************* ****** ***** *** ********* ** *** ******** (*.*., see** ****** ************ *********** **********).

*********** ******

******** * ***** **************** *** **** ***** ** **********. *** *******, *.*** *************** **** ********** **** ****-* ** **** *****.

********** ** **** *****, *** ***** ***** ** *** * compression *****. ** *.***/*.***, **** ** *********** ******** ** *** Q *****, ******* **** * ** **, **** *** ****** up, *** **** ********** ***** **.

*** ***** ******, *** **** ********* ***** ** ******** ** that '******' ****** *** * ****** *********** ***** *** *** entire *****, ********** ** **** ** ***** *********. *** *******, if *** **** * ****** ******** ** ***** ** * white **********, **** *** ***** ********** *** *** ****** *** compressed ** *** **** ******.

*-***** ********

*** **** *********** ********** ******* *****'* ******, **** *.*** *** earlier ****** **** ***** ** **** **** ** *** **** the '****' ***** **** *** **** *****. *******, ** ***** of *** ***** ****** *** **** ****** ****, **** **** send ***** ******* (*** **** ****** ** ***** ***** *** P ** '*******' *****). *** **********, *** *************** ***** *****.

**** '******' ******, * ****** *-***** ******** ** *****. **** means **** *** ****** **** ****** ******** ** * ***** every ** *****. **** ******** **** ** * ******. ** that ********, ** *** ****** ** *****, ** **** **** 1 * *****, ** * ****** *** **** ******. *** key ***** ** **** **** ******** ***** *** ****.

******** **** * ****** ******* *** **** ********* **** * frames, ***** ** *** ***** ** *** ****.

*** ******** ** * ***** *-***** ******** ** **** *** activity ** *** ***** *** ****. ********* * ******* *** be ***** *** ** ****. ****** *** '*****' ****, ******* an * ***** **** *** ****** ** ********.

*** **** *** ***** ** ****** **** *******, *** *** want ** **** ** * ***** ******** ***** *** ****** to **** **** **** *** ******* ** ** **** ** possible.

Smart ***** ************

'***** ***********'

** *** *********** ****, **** ***** ****** ***** *** ********* the *********** ***** *** ********* ***** ** *** *****. *** example, ******* ** ******* *********** ** '******' *** *** ***** scene, ** ** *** **** *** ******* ****** *****, ** might ** **** ** *** ** '***' *** *** ******, to ******** ******* ********, *** '****' *** *** ***** **********, since ** ** *** **** '*******' ** * **** ***** wall.

** ********* *********** ****** *** ***** ** *** *****, ** is ******** ** **** ****** ******* ********* ******** *** ********* quality ******** ** **** ************* ********* *********** ****** ** ******** parts ** *** *****.

'***** *-***** ********'

********, **** ***** ****** *** *********** ***** *** ***** ** activity ** * *****. ** **** ** *** ***** *** little ** ******, *** ****** *** **** *** *-***** ********* infrequently (******* ***** * ** ** ** ** *******) *** as **** ** *********** ******** ** ********, ** *** *********** generate ** * ***** *** **** ******** * ****** ** long ** ******** *********.

***** **** **** *** ******* *******, ** ****, ** **** correctly, **** ******* *********** *** ****, ***** ************* ******** *********.

Advanced ***** *******

** *** *********** ****, ***** ******, *** ****** ********* *********** levels ** ********* ***** ** * *****. *******, ***** *** two **** **** ** ******** ********:

***** *****

*** **** *****, '**** *****' ***, ******** * **** ** define ***** *** ****** ** ***** ***********. *** ******** ** that **** ** ***** ** ** ** ********* ****** ** person ***** **** ***** *****, **** **** ****** ******* *******.

******* *****

*** **** ********, '*******' ***, ** *** *** ****** ** dynamically ****** *********** ***** ** **** ** ******** ** ********. For *******, *** ****** *** ** **** ** ****** ******* (even ****** ** ****) *** ****** **** * ***** *********** level (******* ****** ******* **** *** **********.

***** *-***** ********

******* *********, **** ******* * ****** ****** *** ***** *********** levels, **** *** **** ** ******* **** ** ****** *** smart *-***** *********. **** ******* **** ******* *** ** *** two, ****** *** ******* ****, *** ***** *** ** ****** which **** *** *******.

Related ***** ************: ***** *********

****** ****** **** ******* **** ******* *****, ****** ** *** light ******. **** ***** '*****' ****** *** ****** *** ********* tricks ******** **** ******** ** ** **** ********. ******* *** camera ******** ** ** ********, ** ***** **** ********* (***** a *** **** *********). ******* / *** *** ***** ************ *****

************ ******* *** ****** ************ ** *********** ******* **** ******** (a ****** *******, * *** *******, ***.) *** ******* *****. This *** ****** ********* *************. ** ******* **** ** *** of *** ******* **** ***** *** ** **** ** ***** ****** ********* / ******* ********. *** ****, *** ********* *** (******* ***** *********) *****.

Performance ******

**** *** ****** * ****** ** *************** *********:

  • **** *********: ********* ********** **** ******* ***** *********** *** ***** *-***** interval, ********** *** ******** ******* ** ***. *******, ********* ** only ********* ** ***** **** ****** *** **** **** **% of ***** **** ****** ******** ** ****.
  • ********* *.***+: **** ****' *********, *.***+ **** **** ***** *********** *** I-frame ********, **** ******* ** ** **% ** *** *****. Additionally, ****** ****, ****** ***** ****** ** *********'* **** ******** H.264+ *** ******** ******* (******* ******), **** **** *** ** super *** **** ~$*** ******.
  • ********* ***** ******: ********* ***** ****** **** * *********** ** ******* *-***** interval *** "********" ******* ***** ********* **********, ********* ** ** to **% ******* ** *** *****. ***** ****** ** ********* for *** ******* *, *, *, *** * ****** *******, starting ** ******** *.**. ********* ********** ******* **** (******** ***** Quality ** ********* ****) ***** ******* *** ****** ******* ** interest ** ** **** ** **** **********, *** ** ******* changes.
  • ******* ***** ****** ** ****** (** **** ** *.*** **. H.264)
  • ******* ***** ****** ******
  • ******* ********* ******* **** ******(****** *** ****** **** '*****')

**** ****, * *** ******* *****:

  • ***** * ***** ******** *** *** ******* ******, **** **%+ savings ******, ****** ******* **** ************ ****** *** ****** *** long **** *******, ******** ***** ******* **** **** * ******.
  • ******* ***** *********** *** *** **** ******* ******, ****** ** much ***** ********* *******.
  • ***** ***** *********** *** *** ***** ******, ***** ** **** 10-20% *******, ******* ** ****** ** **** ***** ** ******.

Bandwidth *****

****** ***** ****** *** ******* ****** ********** *******, ***** ****** ****** **** *********** ********* ***** ** **** ****** scenes *** *** ****** ** ** ******* **** ***** ******** CODECs. *** *******, ** * **** ****** ******* *****, ******** of ****, *********, *** ********* ******* **** **** ***** **** with ***** ****** ******** ****** ******* ** **** ******, *.*., heavy *******:

*******, ** *******, ********** *** **** ***** ******* *** **** traffic ******* ****** ******* *******, ******* **** ***** ** **% on *** *******.

********* ******

******* ***** ****** *** **** ****** ****** ** **** ****** periods, ********* ***** **** ** ********** *** ***** **** ********,*** *******, ******** ***** ***** *******. ******* ** ** ** ***** oversaturate *** **** ******** ** ***** ***** ** ******** *******.

Risk ** ******* *********

**** ******* * ************ ****** ** ****** '***** *****' **** not **** ** **** ** ****** **** * ************ *** does *** *** ***** **********. ***** *** ***** **** ** reduce ********* (*.*., ***** ********* *****), **** **** ***** *** same ********** *** ***** ****. *** *******, *** ***** ****** ********* / ******* ********.

Future *********

******* ****** ********** ***** **** ******** ** ********, *** ******* the ********* ******** *** ** ** ***********, ** ****** **** manufacturers ** ***** '***** ******' *** ** ******* *** ************ of ***** *********.

** **********, ** *** ***** ****** ** * ***** ****** against ***** ** *.***, ***** ****** *************** ** '***** *.***' are ********** **%+ ********* *******, *** **** ** **** ** being ************ ******* *** *.***.

***, ************* ********* *.*** *** ********* ************* ***** ****** ** be *********** ******* '***** *.***'. *********'* *.*** ********** **** *******************'* ******** *.***+.

Comments (13)

****’* *** ****** ** *** ***** ****** ** ******** ************ systems? ** *** ******** *********** *********** ** ******** ****?

** **** *** **** *** ****** *********** **** ***** ** date. *** ******* *** ********* ** *** ******** / ****** side **** ******** ********* *** **** *** *** ***.

********* ** *** ********** '***** ****** **********'. **** ** *** they ******** **:

"Smart ****** ********** **** ******** *** ******** *********** ********* ** ******** *.*** ***** streams, ******** ** ** ** ******* *********** ** ********* ********* to ****** ********* *** **** ********.
********* ** * **** ******** ******* ** *** *** ********* 3, * *** * ****** ******, *** ********** ****** *********** decreased ******* ********* ***** ** *********** ****** *** ****** ** storage ****** *** ******** ******.
***** ****** ********** ******** ******* ***** ** ******* (***) *******; Frequency ******* ****** (***); *** *-* *****-******* ***** ********* (**-***) to ******* * ***** *** **** *** ******** ****** ******* degrading *** ******** *** *********** ***** ******. ********, ***** ******** can *********** ******* * *********** *** **** ********* (*** ****** of **** *** ****** **** *** ** *********** ***** * digital *******) ** *** ******** *****."

** ****** ** *** **** *** **** ************* ** ** similar ** *** ********* ******** *** ******* *** ***********.

********** ************ ****** ** ** *********** ************** ********* ******* ******* **** * **** *** *****:

** ****** *** ******* *****, *** ****** ** ***** **** to ****** *** ******** *-***** *** *** *** ********** */* frames, *** ** *** *** ******* *-****** ** * ** 8 *******, **** ***** ** ******* ** ** *** ****** depending ** *** ***** ****. * ***** *** *** ***** send ***** ******** ****** ** ****** *** *****, *** **** just ****** *** ****** ** ****. **** ** **** **** traditionally, *-****** *** ***** ****** ** *** ** *** **** is *** ******** **** ****. *****, ***** ****** *** ***** the ***** ** ** **** ****** ** **** ***** - it ** *** ***** *** *** *** ********* *******...

**** ***** * *** ** ****** ******* ******* **** *** noticed *** ********* **** ******? ** ** ** *****, *** might ** ******* ** ******* ****** ****** * **** *******, which ***** ** ********** ************ ** ****.

**** ******* & *** ***** *** *-***** ********* ******* ** be **** ** ****** ** *-***** ***********. **** *** ******** waiting ***+ ****** *** *** **** ********* ********* *-*****.

** **** ** ***-**-**** ******* **** ******** ** ** ******** RTSP ******, ** ** **** **** **** ******** * *** socket?

** *** * **** ***** ** ********* * ***** *** Q6000 + *** *** *** ******* ** *** ******* *** on *** ***. ** ****** *** **** *** **** *** does *** **** **** **** *-***** ******** ** *** ****, we *** ** ******** *** ** ***** ******* ***** ***** not ****** ****** ** ******* *** *** ** **** *** recording.

******* *** ** ***** *** ********** ********* *** ** **** careful ** ****** ***** *********.

****'* * ******** **** ******! **** *** **** *** *****? Server **** ** ****** **** ***?

*** *** ** *** *** * ***'*, *** **** ***.

** *** *** **** *** **** **'* *** *** ***** fault, *****?

**'* **** ** ***. ******* *** *** ** ***** *** detection *** *** *** ** ******* *** ******** ** **** it ** *******. ** ***** ***** ** *** ****** ****** to *******.

*** **** **'* ********* *** **** ********* ***** ** *** technicalities.

* ** ****** ***** **** * ******* *** *** ****. It *** * ****** ** ** **.

*** **** ** ***. ******* *** *** ** ***** *** detection *** *** *** ** ******* *** ******** ** **** it ** *******. ** ***** ***** ** *** ****** ****** to *******.

** ***** *** *-***** ********** **** *** *-****** **** **** motion ** **** *** ******* **** ********* ** *** *** when *** ****-**** ***** **? **** *** *** ***-****** ****** set **?

***** *** *** *** **** ** * ***** ****** ***** to ***** *** *** ******.

** ******* **** ** ********* **** ********. *** ****** *** get ** ~***.

* ***** ***/**** *** *** ** ** *******

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