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Reg:Multiple Camera Streaming

Question asked by Vishvapathi Karnan on Jan 3, 2014
Latest reply on Jan 13, 2014 by Daiane Angolini

Hi,

I am trying to stream 2 cameras at the same time to display,when i try only one is working at a time..

And i am using IMX6Q processor with Linux 3.0.35

 

I tried the below command..

 

$gst-launch v4l2src device=/dev/video1 ! mfw_isink disp-width=450 disp-height=300  axis-left=50 axis-top=100&

$gst-launch v4l2src device=/dev/video2 ! mfw_isink disp-width=450 disp-height=300 axis-left=550 axis-top=100&

 

Response

$gst-launch v4l2src device=/dev/video1 ! mfw_isink disp-width=450 disp-height=300  axis-left=50 axis-top=100&

root@freescale /$ set color key

MFW_GST_ISINK_PLUGIN 3.0.7 build on Oct 15 2013 15:09:49.

Setting pipeline to PAUSED ...

Pipeline is live and does not need PREROLL ...

Setting pipeline to PLAYING ...

New clock: GstSystemClock

can not create threadmfw_gst_isink_setcaps:1489

hwbuf allocator zone(2457600) created

VS0 created. in fmt[YUYV] win(0,0-1280,960:1280x960) out win(50,100-500,400:450x300)

set deinterlace mode 0

hwbuf allocator zone(614400) created

hwbuf allocator zone(614400) destroied.

hwbuf allocator zone(614400) created

hwbuf allocator zone(614400) destroied.

hwbuf allocator zone(614400) created

hwbuf allocator zone(614400) destroied.

 

root@freescale /$ gst-launch v4l2src device=/dev/video2 ! mfw_isink disp-width=450 disp-height=300 axis-left=550 axis-top=100&

root@freescale /$ set color key

MFW_GST_ISINK_PLUGIN 3.0.7 build on Oct 15 2013 15:09:49.

Setting pipeline to PAUSED ...

uvcvideo: Failed to submit URB 0 (-28).

ERROR: Pipeline doesn't want to pause.

ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Error starting streaming on device '/dev/video2'.

Additional debug info:

gstv4l2object.c(2143): gst_v4l2_object_start_streaming (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:

system error: No space left on device

Setting pipeline to NULL ...

Freeing pipeline ...

[--->FINALIZE isink

 

When i issue the first command first CAM starts streaming, when i issue the second command i get the above error and CAM1's display vanishes but the CAM is still streaming....

 

Kindly advice how i can stream b2 cameras at the same time!!!

Daiane Angolini

Leonardo Sandoval Gonzalez

Shan dinesh

Raybiztech RBT

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