Freescale iMX6: Unable to play recorded videos inspite of using option "-ev"

[sk_gst]

I am trying to run the following command on Freescale iMX6 to record the
testvideosrc in a file.

gst-launch-1.0 -e videotestsrc !
video/x-raw,width=640,height=480,framerate=30/1 ! imxvpuenc_h264 !
h264parse !  avdec_h264 ! filesink location=cx1.mp4


However, when I try to read the file, VLC media player, says the following:
Unidentified codec:
VLC could not identify the audio or video codec

My final goal is to convert the script into a python-gstreamer application
which I have already done. The code is as attached in the file.  
imx_test1.imx_test1
<http://gstreamer-devel.966125.n4.nabble.com/file/t378365/imx_test1.imx_test1>  
I use the following command to execute the script:
$ GST_DEBUG=2 ./imx_test1 -ev

However, even with this the file is created and I can confirm this by using
the command 'stat' on the file.

Can anyone tell me where I am going wrong?

Regards.




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[Thornton, Keith]

Hi, the pipeline encodes and then decodes the video. Instead of avdec_h264 you need h264parse and qtmux

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Von: gstreamer-devel [mailto:[hidden email]] Im Auftrag von vk_gst
Gesendet: Montag, 30. Juli 2018 13:24
An: [hidden email]
Betreff: Freescale iMX6: Unable to play recorded videos inspite of using option "-ev"

I am trying to run the following command on Freescale iMX6 to record the testvideosrc in a file.

gst-launch-1.0 -e videotestsrc !
video/x-raw,width=640,height=480,framerate=30/1 ! imxvpuenc_h264 !
h264parse !  avdec_h264 ! filesink location=cx1.mp4


However, when I try to read the file, VLC media player, says the following:
Unidentified codec:
VLC could not identify the audio or video codec

My final goal is to convert the script into a python-gstreamer application which I have already done. The code is as attached in the file.  
imx_test1.imx_test1
<http://gstreamer-devel.966125.n4.nabble.com/file/t378365/imx_test1.imx_test1>
I use the following command to execute the script:
$ GST_DEBUG=2 ./imx_test1 -ev

However, even with this the file is created and I can confirm this by using the command 'stat' on the file.

Can anyone tell me where I am going wrong?

Regards.




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[Gst-Geek]

>> gst-launch-1.0 -e videotestsrc !
>> video/x-raw,width=640,height=480,framerate=30/1 ! imxvpuenc_h264 !
>> h264parse !  avdec_h264 ! filesink location=cx1.mp4

What are you trying to do here, You are saving a YUV. Definitely no player
will be able to play the video.
Below is pipeline to archive stream in mp4 format.
 

gst-launch-1.0 -e videotestsrc !
video/x-raw,width=640,height=480,framerate=30/1 ! imxvpuenc_h264 !
 h264parse !  mp4mux ! filesink location=cx1.mp4



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