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by MRV
Wed Dec 26, 2018 10:10 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

@ HermannSW
Wow. This works great!
https://github.com/131/h264-live-player is an excellent real-time streaming solution. Got stereo video working via Raspivid as well!

@ ethanol100
Thanks again for the HLS solution!
by MRV
Wed Dec 26, 2018 9:03 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

UV4L is actually really nice but not free if you want to include it in your commercial hardware products.
HermannSW wrote:
Wed Dec 26, 2018 8:51 pm
Not sure what your concern is wrt uv4l, here is another low latency streaming solution:
viewtopic.php?t=204921
by MRV
Wed Dec 26, 2018 8:30 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

@ ethanol100 So, thanks again for assisting me with HSL. I got the HLS stream working. I was able to use the Raspivid | ffmpeg pipeline to create the m3u8 file. Everything worked fine. However, HLS has a significant latency regardless of the settings. As other posts have mentioned, HLS is nice but n...
by MRV
Tue Dec 25, 2018 7:12 pm
Forum: Camera board
Topic: RPi Cam Web Interface
Replies: 4982
Views: 1249456

Re: RPi Cam Web Interface

Is it possible to use RPi-Cam-Web-Interface to stream live, stereo video to a webpage (via Raspivid)? We use Raspivid because it allows acquisition from two cameras simultaneously and merges them side-by-side:

raspivid -t 6000 -w 1536 -h 768 -fps 30 -b 10000000 -3d sbs -o stereo.h264
by MRV
Mon Dec 24, 2018 9:04 am
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

Sent you an email. Hopefully you got it. Thanks again Ethanol100 ! You're welcome. I'm not fluent enough with nodejs to understand where your problems occur in your scripts. Others may be more helpful there. Sure, you can drop me an email, if you want (my username at googlemail.com), but it is bette...
by MRV
Sun Dec 23, 2018 7:39 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

@ ethanol100

First, thank you for your assistance.
Second, may I send you a private message somehow?
Perhaps via email?
by MRV
Sun Dec 23, 2018 7:26 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

@ ethanol100 Your original solution worked! However, it only worked on Safari. I added hls.js to the html in stream3d.sh and now it works also on Chrome! THANK YOU! As you are not providing enough information/code to really help, I modified a script I found at hls stream . I saved the file under the...
by MRV
Sun Dec 23, 2018 6:58 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

@ethanol100 We're using two primary Node.js files: index.js and lib/server.js The index.js starts the streaming server. You will see in server.js that we've added : const raspividOptions = ['-o', '-', '-t', '0', '-w', width, '-h', height, '-fps', framerate, '-g', framerate, '-3d', 'sbs' ]; index.js ...
by MRV
Sun Dec 23, 2018 5:08 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

We're not using python. We're using Node which uses a spawn() command to launch Raspivid with CLI options. See my original message above.

No idea why we're not able to just send the stereo video to ffmpeg. it's a puzzle we're very eager to solve.
by MRV
Sun Dec 23, 2018 3:34 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented (2014).

@ ethanol100 Creating and saving a stereo video file via Raspivid works. It's possible that when piping the video output from Raspivid to ffmpeg, the video isn't actually side-by-side but, possibly, two video tracks with metadata? This would possibly explain why saving the file yields a true side-by...
by MRV
Sun Dec 23, 2018 12:35 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

STEREO 3D SBS + RASPIVID + FFMPEG = :-(

We are attempting to use Raspivid + ffmpeg to live stream stereo (-3d sbs) video. However, only one video is being recognized and streamed. We are not sure if the issue is Raspivid or ffmpeg. Saving a stereo video via Raspivid works fine: raspivid -t 6000 -w 1536 -h 768 -fps 30 -b 10000000 -3d sbs -...
by MRV
Wed Dec 19, 2018 4:06 pm
Forum: Advanced users
Topic: Raspivid + WebRTC + getUserMedia() = ?
Replies: 3
Views: 873

Re: Raspivid + WebRTC + getUserMedia() = ?

Raspivid allows two camera inputs to be combined into a single stereo output, whereby the videos are placed side-by-side. Raspivid must be the first step in the process because it automatically synchronizes both cameras during acquisition (identical brightness, etc) Example: raspivid -t 6000 -w 1536...
by MRV
Wed Dec 19, 2018 6:50 am
Forum: Advanced users
Topic: Raspivid + WebRTC + getUserMedia() = ?
Replies: 3
Views: 873

Raspivid + WebRTC + getUserMedia() = ?

Can I stream live stereo video to an html page using Raspivid, webRTC and getUserMedia? The getUerMedia Javascript function usually finds USB "input devices" but my cameras are attached to a custom carrier board with 2 CSI camera ports. Can video streamed via Raspivid be recognized by getUserMedia? ...
by MRV
Sat Nov 24, 2018 10:49 am
Forum: Advanced users
Topic: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?
Replies: 10
Views: 1515

Re: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?

Yes, I noticed that but a Stretch download link was provided as well. Wasn't sure why they would provide a Stretch build if it was not functional. So, I tried it. I installed FruityWifi but was unable to get it operational. It doesn't appear to function on Raspbian Stretch. Shame as it looks quite n...
by MRV
Sat Nov 24, 2018 7:00 am
Forum: Advanced users
Topic: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?
Replies: 10
Views: 1515

Re: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?

I installed FruityWifi but was unable to get it operational.
It doesn't appear to function on Raspbian Stretch. Shame as it looks quite nice.
maniattico wrote:
Wed Nov 21, 2018 11:03 am
I did that some time ago with an USB wireless card and FruityWifi (http://fruitywifi.com)
by MRV
Wed Nov 21, 2018 11:10 am
Forum: Advanced users
Topic: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?
Replies: 10
Views: 1515

Re: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?

You mean using only one USB dongle, you were able to have both a wifi access point AND a wifi connection?
If so, do you mind detailing how you did that in fruitywifi? Highly appreciated.
maniattico wrote:
Wed Nov 21, 2018 11:03 am
I did that some time ago with an USB wireless card and FruityWifi (http://fruitywifi.com)
by MRV
Tue Nov 20, 2018 4:45 pm
Forum: Advanced users
Topic: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?
Replies: 10
Views: 1515

Re: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?

I am actually using a Compute Module 3 with a custom carrier board with no built in wifi. I have one attached WiFi dongle attached (with the capacity to use access points) The question is whether I can have an access point while also being connected to a wifi network. (using one dongle) I never thou...
by MRV
Tue Nov 20, 2018 2:51 pm
Forum: Advanced users
Topic: WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?
Replies: 10
Views: 1515

WIRELESS ACCESS POINT + NETWORK WIFI POSSIBLE?

Is it possible to simultaneously have both a Wireless Access Point, so a mobile device can communicate with the PI, and (at the same time) allow the PI to have a connection to a local WiFi network? In this way one could preview video on a mobile device (via WebRTC) and then start streaming to a serv...
by MRV
Sun Sep 02, 2018 9:22 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented.

The CM3 + IO Board should arrive this week. In the meantime I'm trying to clarify a few things regarding 3D SBS mode. In regards to the maximum width, I have the following: • The "IIRC, the hardware block, is limited at 1920 " • "A width of 2032 appears to be the limit" Question Is the maximum width...
by MRV
Tue Aug 28, 2018 9:34 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented.

• Am I able to acquire square, non-rectangular, video with the -3d function, such as

Code: Select all

raspivid -3d sbs -w 768 -h 768 -o test.h264
by MRV
Tue Aug 28, 2018 1:12 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented.

I have ordered a CM3 + IO Board + 2 cameras w/ connector ribbons. I have a few questions regarding the current state of stereoscopic support. 1) Is the -3d parameter now natively available in raspivid (Raspbian)? Yes. • Great! 2) As of today, August 28, 2018, what is the maximum width possible for ...
by MRV
Tue Aug 28, 2018 6:43 am
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59664

Re: Stereoscopic camera capture - now implemented.

I have ordered a CM3 + IO Board + 2 cameras w/ connector ribbons. I have a few questions regarding the current state of stereoscopic support. 1) Is the -3d parameter now natively available in raspivid (Raspbian)? 2) As of today, August 28, 2018, what is the maximum width possible for the SBS option?...
by MRV
Thu Jul 19, 2018 3:18 am
Forum: Graphics, sound and multimedia
Topic: * SIMULTANEOUSLY RECORD 2 VIDEOS *
Replies: 6
Views: 501

* SIMULTANEOUSLY RECORD 2 VIDEOS *

Hello, We're looking for the most efficient solution to simultaneously record video from two separate camera modules. Based on our research, we believe one such solution is to use the COMPUTE MODULE 3 and the COMPUTE MODULE IO BOARD V3 as they provide multiple camera slots. Could someone confirm tha...

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