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Full HD CSI Camera Movie frame rate does not come out.

Question asked by 近藤 勇介 on Mar 8, 2019
Latest reply on Mar 26, 2019 by Diego Adrian Cuevas
I am making fullHD camera recording using Gstreamer.
At this time, the problem that the frame rate does not come out in Full HD recording has occurred.(May be about 5fps)

I am connecting 16 bit gated mode CSI camera.
I am remodeling imx-4.9.88-2.0.0_ga for this camera and using it.

I am using gstreamer on the pipeline below.

 

 

$gst-launch-1.0 v4l2src device=/dev/video0 ! video/x-raw,width=1920,height=1080,framerate=30/1 ! \

videorate ! "video/x-raw,framerate=30/2" ! \

imxvideoconvert_ipu ! video/x-raw,format=NV12,width=1920,height=1080 ! \

vpuenc_h264 bitrate=15000 ! mpegtsmux ! filesink location=output.ts

 

I checked the bus situation at this time using the MMDC Profiling Tool and found that the bus load was high.

 

MMDC SUM

MMDC new Profiling results:
***********************
Measure time: 501ms
Total cycles count: 264461184
Busy cycles count: 216280018
Read accesses count: 7991244
Write accesses count: 6424326
Read bytes count: 133236928
Write bytes count: 140699808
Avg. Read burst size: 16
Avg. Write burst size: 21
Read: 253.62 MB/s /  Write: 267.83 MB/s  Total: 521.45 MB/s
Utilization: 7%
Overall Bus Load: 81%
Bytes Access: 19

 

Is this load condition reasonable?

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