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Connecting two cameras to a TI TMS320DM365

Michael16400
Intellectual 515 points
Other Parts Discussed in Thread: TMS320DM365

Hello everybody,

My application has two CMOS image sensor: one 1.3MP (and up to 60fps) and one with a lower resolution (around 700*400px) and the same fps. I would like to encode both videos in H.264 or MPEG4 and therefore TI's TMS320DM365 looks perfect for this kind of project.

My question are:

- do you think that one DaVinci would be enough to handle the two images and around 4 other sensors (requiring ADC) and then send them throughout Ethernet, USB or wireless (only one)?

- if not, and if we have two DaVinci processors, how may I transmit both output (video streaming and sensor values) on one single transmission line?

 

Thanks,

Mike

  • 0
    TI__Mastermind 41665 points

    Michael said:
    - do you think that one DaVinci would be enough to handle the two images and around 4 other sensors (requiring ADC) and then send them throughout Ethernet, USB or wireless (only one)?

    Probably not, in particular 1.3MP is larger than a HDTV 720p image, and the DM365 will run 720p at around 30fps max, so a 1.3MP@60fps is a bit high for the DM365, so  you are at a minimum looking at 2+ devices, however there is no software solution for leveraging multiple DM365 devices on a single stream so you may be looking at another device alltogether for such a high rate stream (perhaps a DM6467).

    Michael said:
    - if not, and if we have two DaVinci processors, how may I transmit both output (video streaming and sensor values) on one single transmission line?

    If you use Ethernet than you can have a simple hub or switch between multiple processors, this would allow you to send packets from all processors on a single Ethernet output, which if wireless was desired could leverage a Ethernet to WiFi bridge. You could do something similar if you were using the devices as USB slaves from software on the host PC with  USB hub on the board as well.