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by airvb99
Mon Aug 25, 2014 3:38 pm
Forum: Camera board
Topic: Stereoscopic camera capture - now implemented (2014).
Replies: 118
Views: 37773

Re: Stereoscopic camera capture - now implemented.

@6by9: Ok, my work is not started, RPi compute has just been ordered and still have to travel the ocean to reach home. Foundation have time to debug the firmware !
by airvb99
Mon Aug 25, 2014 8:36 am
Forum: Compute Module
Topic: Cam0 & Cam1 -> HDMI (simultaneously)
Replies: 29
Views: 3869

Re: Cam0 & Cam1 -> HDMI (simultaneously)

There's no magic, low latency mean low compression but high bandwidth streaming !
by airvb99
Fri Aug 22, 2014 12:21 pm
Forum: Compute Module
Topic: Cam0 & Cam1 -> HDMI (simultaneously)
Replies: 29
Views: 3869

Re: Cam0 & Cam1 -> HDMI (simultaneously)

@jamesh:

That's why I will use a Wifi link, Oculus and other hires goggles needs digital stream. The bad thing is that digital stream like h264 or MPEG have latency, not analogue PAL/NTSC video.
by airvb99
Fri Aug 22, 2014 9:55 am
Forum: Camera board
Topic: Stereoscopic camera capture - now implemented (2014).
Replies: 118
Views: 37773

Re: Stereoscopic camera capture - now implemented.

Hi 6by9, Adding Xenomai on the RPi involves recompiling the kernel with some patches. With Xenomai, RPi runs 2 kernels, the realtime one (Xenomai) and the second one (Linux). IRQ handling is done on Xenomai side who dispatch them to Linux when the interrupt has not to be handled by Xenomai and when ...
by airvb99
Fri Aug 22, 2014 9:37 am
Forum: Compute Module
Topic: Cam0 & Cam1 -> HDMI (simultaneously)
Replies: 29
Views: 3869

Re: Cam0 & Cam1 -> HDMI (simultaneously)

Hi Gordon, Thank's for your reply, I found 6by9 post last evening, that was a good news. Side by side output @1080p is sufficent for me so the 2000 pixel GPU limit is OK. My project is to use RPi in a quadcopter with wifi link (video, osd and remote control). It seems that adding OSD to the video be...
by airvb99
Thu Aug 21, 2014 9:22 pm
Forum: Camera board
Topic: Stereoscopic camera capture - now implemented (2014).
Replies: 118
Views: 37773

Re: Stereoscopic camera capture - now implemented.

Great great news ! Now I need to order a Pi compute kit ! Is this done entirely (mainly) by the GPU ? Can the output still be streamed instead of being displayed ? Do you know if mmal API could work with Xenomai kernel instead of the Raspian one ? I need implement some additionnal real time tasks. R...
by airvb99
Thu Aug 21, 2014 3:54 pm
Forum: Compute Module
Topic: Cam0 & Cam1 -> HDMI (simultaneously)
Replies: 29
Views: 3869

Re: Cam0 & Cam1 -> HDMI (simultaneously)

@gsh: Hi Gordon, I have a similar request (maybe do I have to open a new forum thread ?): I need to stream a h264 3D live video (side-by-side / top-bottom or line interleaved with some simple OSD added) to the network link. RPi-compute would be fine as it has h264 hw-encoder and 2 video CSI input. I...

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