• State Resolved
  • Locked Locked
  • Replies 4 replies
  • Subscribers 100 subscribers
  • Views 331 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

About 1080P H.264 using DM368

gomo
Genius 3400 points

Hi all:
      We meet a problem. Using the scheme of IPNC to build our IPNC, and it output 1080P H.264, 15fps. and record the motorial project, and play with VLC, the video appear abnormal now and then.  Just look following pics:

     My env: DVSDK 2.0, H264enc-2.0.0.9, DM368

 

 

Anybody have good idea, thank a lot! 

Need I upload the video?

  • 0 in reply to keanu Feng
    TI__Prodigy 10 points

    Hello Guys,

     

    I feel the root cause of the issue could be following :

     

    1.       Lower bandwidth ( 1.5-2 Mbps) is set on camera .

    2.       Network is over flooded where the camera is connected  . Reduce the network traffic .

    3.     CPU usage could be overshooting due to multiple aplliaction running on machine. Close the apllications which are consuming higher CPU. Use the higher configuration machine like "Core 2 Duo" , "Quad Core" etc processor .

    4.       Advance features are enable with recording which is consuming ARM CPU approximately 80-90% . Disbale few advance features.

     

    Please provdie the following details for further analysis of issue: 

    1.       Release version

    2.       Codec setting page screen shot

    3.       What is the network speed where the camera is connected ?

    4.       Do the recording inprogress on SD/FTP ? If yes, then what is the recording type .

    5.       Do any advance feature enable ?

  • 0 in reply to keanu Feng
    TI__Mastermind 19985 points

    Hi,

    Can you please confirm if the encoded output when saved to local storage on IPCamera is fine? It seems like the key frames (I/IDR frames) are getting missed out when playing on VLC. What is the bitrate that you are using for the encoder? Is the network not heavily loaded?

    I would still recommend that you break the problem in parts and eliminate codec vs network issues.

    Regards,

    Anshuman

     

  • 0 in reply to Anshuman Saxena
    Genius 3400 points

    Thanks your replay at frist.

    After the recently test and analyze，through the network the encode file of avi saved by our program had lost frame(IDR frames and P frames). And when use VLC to save avi file, the phenomenon hardly appear.

    So we go to find the what the matter of our program.

    Thanks again!