gstreamer, v4l2 capture/display: omx assertion failed

Andrea Scian

Dear All,

I'm working with a custom dm814x hardware capturing a 1080p60 stream over VIN0 with gstreamer (builded from SVN with tag

TAG_GST_DM81XX_00_05_00_00)

Whenever I would like to stop acquisition, either by pressing CTRL+C or by limiting num-buffer v4l2src parameter, I get the following output

/GstPipeline:pipeline0/GstOmxVideoSink:omxvideosink0.GstPad:sink: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)50/1, interlaced=(boolean)false
Caught interrupt -- handling interrupt.
Interrupt: Stopping pipeline ...
Execution ended after 11231461850 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
/GstPipeline:pipeline0/GstOmxVideoSink:omxvideosink0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = NULL
Setting pipeline to NULL ...
Freeing pipeline ...
gst-launch-0.10: OmxRpcStub.c:1432: OmxRpc_stubGetState: Assertion `(1 == OmxRpc_module->localCoreRcmServer.initDone)' failed.
Aborted

The mail problem is that the above assertion prevent me from running another omx application (e.g. another gstreamer pipeline, with or without v4l2src):

root@:~# gst-launch -v v4l2src device="/dev/video0" always-copy=false queue-size=12 num-buffers=-1 ! 'video/x-raw-yuv-strided,format=(fourcc)NV12,width=1920
,height=1080,framerate=(fraction)60/1' ! omxbufferalloc silent=false numBuffers=12 ! omx_scaler ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false
[ 810.330000] Assertion at Line no: 419 in /{snip}/component-sources/syslink_2_10_03_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/ipc/hlos/knl/Linux/MessageQDrv.c: (cargs.args.create.handle != NULL) : failed
gst-launch-0.10: OmxRpc.c:624: OmxRpc_Instance_init: Assertion `(OmxRpc_errorNone == retVal)' failed.
Aborted

Please note that the first assertion does not rise if I just run the decode-display example:

    gst-launch -v filesrc location=/usr/share/ti/data/videos/dm816x_1080p_demo.264 \
    ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec ! omx_scaler \
    ! 'video/x-raw-yuv,width=800,height=480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 display-device=LCD \
    ! omx_videosink sync=false display-device=LCD

Any clue in how to solve this issue?

Best Regards,

Andrea

over 13 years ago

0 Michael Williamson over 13 years ago

Expert 1995 points

Andrea,

I have the same problem. Have you made any progress on this?

-Mike

0 Andrea Scian over 13 years ago in reply to Michael Williamson

Intellectual 1000 points

Hi Mike,

unfortunately I have made no progress until now, and, as you can see, no answer for TI guys too.

However thanks for tell me that also someone else has the same problem like mine.

Best Regards,

Andrea

0 Margarita Gashova over 13 years ago in reply to Andrea Scian

TI__Guru* 80190 points

Hello,

Try to add -e to pipeline ( gst-launch -e ... ). This option force an EOS event on sources before shutting the pipeline down.

Keep me posted on result.

Best Regards

Margarita

0 Andrea Scian over 13 years ago in reply to Margarita Gashova

Intellectual 1000 points

Margarita,

thanks for you answer and sorry for the later response (I've been busy with other tasks)

I try it but without success:

root@naon:~# gst-launch -e -v v4l2src device="/dev/video0" always-copy=false que
ue-size=6 num-buffers=600 ! 'video/x-raw-yuv-strided,format=(fourcc)NV12,width=1
920,height=1080,framerate=(fraction)60/1' ! omxbufferalloc silent=false numBuffe
rs=6 ! omx_scaler ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! gstperf ! omx_v
ideosink sync=false
Setting pipeline to PAUSED ...

Mode set is 1080
allocating 6 buffers of size:3110400!!
allocated outbuf:0x44ac0080
allocated outbuf:0x44db7680
allocated outbuf:0x450aec80
allocated outbuf:0x453a6280
allocated outbuf:0x4569d880
allocated outbuf:0x45994e80
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:src: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:src: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:src: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:sink: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:src: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:sink: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/GstOmxVideoSink:omxvideosink0.GstPad:sink: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
perf0: frames: 61       current: 60.51   average: 60.51 arm-load: 16
perf0: frames: 121      current: 60.00   average: 60.26 arm-load: 1
perf0: frames: 182      current: 60.01   average: 60.17 arm-load: 0
perf0: frames: 243      current: 59.99   average: 60.13 arm-load: 0
perf0: frames: 303      current: 60.00   average: 60.10 arm-load: 1
perf0: frames: 364      current: 60.01   average: 60.08 arm-load: 0
perf0: frames: 425      current: 60.01   average: 60.07 arm-load: 0
perf0: frames: 485      current: 60.00   average: 60.06 arm-load: 1
perf0: frames: 546      current: 60.00   average: 60.06 arm-load: 0
Recieved EOS event, press <CTRL+C> to terminate pipeline.
Got EOS from element "pipeline0".
Execution ended after 10068534400 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
/GstPipeline:pipeline0/GstOmxVideoSink:omxvideosink0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = NULL
Setting pipeline to NULL ...
Freeing pipeline ...
gst-launch-0.10: OmxRpcStub.c:1432: OmxRpc_stubGetState: Assertion `(1 == OmxRpc_module->localCoreRcmServer.initDone)' failed.
Aborted

0 Margarita Gashova over 13 years ago in reply to Andrea Scian

TI__Guru* 80190 points

Hello Andrea,

Could you please try this with latest EZSDK 5.05?

And let me know the result.

Best Regards,

Margarita

0 Andrea Scian over 13 years ago in reply to Margarita Gashova

Intellectual 1000 points

Margarita,

Yes I can do it, with a bit of work.

"Where" do you think there's the fix?

a) M3 code?

b) gstreamer?

c) Linux?

I'm asking this because for b) and c) I'm already using the latest svn/git available. For a) I'm still looking for new M3 source code, so I will not be able to test this so soon (we run a customized version of M3 code)

Thanks in advance,

Andrea

0 Margarita Gashova over 13 years ago in reply to Andrea Scian

TI__Guru* 80190 points

Hello

This seems to be a problem with Gstreamer.

Best Regards,

Margarita

0 Andrea Scian over 13 years ago in reply to Margarita Gashova

Intellectual 1000 points

Margarita,

thanks for your answer.

I've just seen that, together with sdk 5.05, a new release of gst has been tagged (TAG_GST_DM81XX_00_06_00_00). Now I'm currently using TAG_GST_DM81XX_00_05_00_00 so maybe the problem is here.

I'll take a look at the last one and come back with a feedback soon.

Best Regards,

Andrea

0 Andrea Scian over 12 years ago in reply to Andrea Scian

Intellectual 1000 points

Sorry for the late response but I've been able to run TAG_GST_DM81XX_00_06_00_00 with V4L2 source only today.

However I get the same problem as with its previous versions (even with the -e switch).

Any other clue?

Best Regards,

Andrea

0 Devin Heitmueller over 12 years ago in reply to Margarita Gashova

Intellectual 365 points

Is there any update to this issue? I'm running SDK 5.05 with gstreamer 0.6, and I haven't been able to find any way around this problem yet.

As with the original poster, the pipeline works correctly exactly one time, and after that I have to reboot the platform because all subsequent gstreamer commands fail. Clearly something isn't being shutdown properly.

Devin

0 Magy Gashova over 12 years ago in reply to Devin Heitmueller

Intellectual 315 points

Hello Devin,

Devin Heitmueller said:
As with the original poster, the pipeline works correctly exactly one time, and after that I have to reboot the platform because all subsequent gstreamer commands fail.

Could you posting the pipeline?

When you observed the error: after ctrl+c ?

Could you posting the error?

Best Regards,

Magy

0 Devin Heitmueller over 12 years ago in reply to Magy Gashova

Intellectual 365 points

Hello Magy,

Thanks for taking the time to reply.

It looks like it has something to do with using pipelines that include omxbufferalloc. For example, the following pipeline works fine:

/opt/gstreamer/bin/gst-launch videotestsrc ! "video/x-raw-yuv, format=(fourcc)NV12, width=640, height=480, framerate=30/1, buffer-count-requested=4" ! omx_mdeiscaler name=d d.src_00 ! 'video/x-raw-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 display-device=LCD ! gstperf print-fps=true print-arm-load=true ! omx_videosink display-device=LCD sync=false d.src_01 ! omx_h264enc ! fakesink silent=true -v

However, as soon as omxbufferalloc is added, the pipeline will fail as soon as you hit ctrl-c or if you let the pipeline exit on its own:

/opt/gstreamer/bin/gst-launch -v v4l2src num-buffers=60 always-copy=FALSE ! 'video/x-raw-yuv,width=640,height=480,format=(fourcc)YUY2,framerate=(fraction)30000/1001' ! omxbufferalloc numBuffers=3 ! omx_noisefilter ! omx_mdeiscaler name=d framerate-divisor=2 d.src_00 !  'video/x-raw-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 display-device=LCD ! omx_videosink display-device=LCD sync=false d.src_01 ! gstperf ! queue ! fakesink silent=true

Setting pipeline to PAUSED ...

Mode set is 0
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)640, height=(int)41
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)640, height=1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)640, height1
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)640,1
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)6401
/GstPipeline:pipeline0/GstOmxNoiseFilter:omxnoisefilter0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)6401
/GstPipeline:pipeline0/GstOmxNoiseFilter:omxnoisefilter0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)YUY2, width=(int)6401
/GstPipeline:pipeline0/GstOmxNoiseFilter:omxnoisefilter0.GstPad:src: caps = video/x-raw-yuv, width=(int)640, height=(int)480, for1
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:sink: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)NV1
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:sink: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)NV1
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:src_00: caps = video/x-raw-yuv, width=(int)800, height=(int)480, format=(fourcc)e
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:src_01: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)e
this input params: 640x240,640 460800 1
incoming buffer: nFilledLen: 460800, nOffset: 0 nFlags: 200
/GstPipeline:pipeline0/GstCapsFilter:capsfilter1.GstPad:src: caps = video/x-raw-yuv, width=(int)800, height=(int)480, format=(foue
/GstPipeline:pipeline0/GstCapsFilter:capsfilter1.GstPad:sink: caps = video/x-raw-yuv, width=(int)800, height=(int)480, format=(foe
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:src: caps = video/x-raw-yuv, width=(int)800, height=(int)480, format=(fe
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:sink: caps = video/x-raw-yuv, width=(int)800, height=(int)480, format=(e
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:src: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)NV12, fre
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:sink: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)NV12, fe
/GstPipeline:pipeline0/GstQueue:queue0.GstPad:sink: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)NV12,e
/GstPipeline:pipeline0/GstQueue:queue0.GstPad:src: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcc)NV12, e
/GstPipeline:pipeline0/GstFakeSink:fakesink0.GstPad:sink: caps = video/x-raw-yuv, width=(int)640, height=(int)480, format=(fourcce
/GstPipeline:pipeline0/GstOmxVideoSink:omxvideosink0.GstPad:sink: caps = video/x-raw-yuv, width=(int)800, height=(int)480, formate
basefilter:OMX.TI.VPSSM3.VFPC.NF: Received src event 289, latency (nil) (nil)
basefilter:OMX.TI.VPSSM3.VFPC.NF: Received src event 289, latency (nil) (nil)
perf0: frames: 32 current: 31.85 average: 31.85 arm-load: 31
Recieved EOS event, press <CTRL+C> to terminate pipeline.
Recieved EOS event, press <CTRL+C> to terminate pipeline.
Got EOS from element "pipeline0".
Execution ended after 2086739049 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
/GstPipeline:pipeline0/GstFakeSink:fakesink0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxVideoSink:omxvideosink0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstQueue:queue0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstQueue:queue0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxBaseCtrl:omxbasectrl0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter1.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter1.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:src_01: caps = NULL
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:src_00: caps = NULL
/GstPipeline:pipeline0/GstOmxMDeiScaler:d.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxNoiseFilter:omxnoisefilter0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxNoiseFilter:omxnoisefilter0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = NULL
Setting pipeline to NULL ...
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Freeing pipeline ...
gst-launch-0.10: OmxRpcStub.c:1432: OmxRpc_stubGetState: Assertion `(1 == OmxRpc_module->localCoreRcmServer.initDone)' failed.
Aborted

I'm trying to find a simpler pipeline that demonstrates the problem, but since omxbufferalloc doesn't appear to actually work with videotestsrc that is proving quite difficult. Hence I'm forced to use v4l2src, which in my environment requires some additional colorspace conversion done via omx_noisefilter.

In fact, while the following pipeline doesn't actually work, it does demonstrate the same basic behavior in terms of the assertion being thrown as soon as you hit ctrl-c:

/opt/gstreamer/bin/gst-launch videotestsrc  ! "video/x-raw-yuv, format=(fourcc)YUY2, width=640, height=480, framerate=30/1, buffer-count-requested=4" ! omxbufferalloc numBuffers=3 ! omx_noisefilter ! omx_mdeiscaler name=d d.src_00 !  'video/x-raw-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 display-device=LCD ! gstperf ! omx_videosink display-device=LCD sync=false d.src_01  ! gstperf ! queue ! fakesink silent=true

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Caught interrupt -- handling interrupt.
Interrupt: Stopping pipeline ...
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/.d
Freeing pipeline ...
gst-launch-0.10: OmxRpcStub.c:1432: OmxRpc_stubGetState: Assertion `(1 == OmxRpc_module->localCoreRcmServer.initDone)' failed.
Aborted

I'm mentioning the above case since it's trivial to reproduce without the custom v4l2src setup I have.

0 Margarita Gashova over 12 years ago in reply to Devin Heitmueller

TI__Guru* 80190 points

Hello,

Could you try :

root@dm814x-evm:~# gst-launch -v videotestsrc ! 'video/x-raw-yuv, format=(fourcc)YUY2, width=640, height=480, framerate=30/1' ! omxbufferalloc numBuffers=12
! omx_noisefilter ! omx_mdeiscaler name=d d.src_00 ! 'video/x-raw-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! gstperf
! fakesink
Setting pipeline to PAUSED ...
/GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)YUY2, color-matrix=(string)sdtv, chroma-site=(string)mpeg2, width=(int)640, height=(int)480, framerate=(fraction)30/1
Pipeline is PREROLLING ...
allocating 12 buffers of size:614400!!
allocated outbuf:0x4219b080
allocated outbuf:0x42231080
allocated outbuf:0x422c7080
allocated outbuf:0x4235d080
allocated outbuf:0x423f3080
allocated outbuf:0x42489080
allocated outbuf:0x4251f080
allocated outbuf:0x425b5080
allocated outbuf:0x4264b080
allocated outbuf:0x426e1080
allocated outbuf:0x42777080
allocated outbuf:0x4280d080
Caught interrupt -- handling interrupt.
Interrupt: Stopping pipeline ...
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
/GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0.GstPad:src: caps = NULL
Freeing pipeline ...

I will continue investigate the issue.

Best Regards,

Magy

0 Devin Heitmueller over 12 years ago in reply to Margarita Gashova

Intellectual 365 points

That fails as well:

dm814x-evm login: root
root@dm814x-evm:~# /opt/gstreamer/bin/gst-launch videotestsrc ! "video/x-raw-yu
v, format=(fourcc)YUY2, width=640, height=480, framerate=30/1" ! omxbufferalloc 
numBuffers=12 ! omx_noisefilter ! omx_mdeiscaler name=d d.src_00 ! 'video/x-raw
-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P
_60 display-device=LCD ! gstperf ! omx_videosink display-device=LCD sync=false d
.src_01 ! gstperf ! queue ! fakesink silent=true 
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
allocating 12 buffers of size:614400!!
allocated outbuf:0x40bf5080
allocated outbuf:0x40c8b080
allocated outbuf:0x40d21080
allocated outbuf:0x40db7080
allocated outbuf:0x40e4d080
allocated outbuf:0x40ee3080
allocated outbuf:0x40f79080
allocated outbuf:0x4100f080
allocated outbuf:0x410a5080
allocated outbuf:0x4113b080
allocated outbuf:0x411d1080
allocated outbuf:0x41267080
Caught interrupt -- handling interrupt.
Interrupt: Stopping pipeline ...
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 377 in /home/devin/ezsdk505/component-sources/syslink_2_20_00_14/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Freeing pipeline ...
gst-launch-0.10: OmxRpcStub.c:1432: OmxRpc_stubGetState: Assertion `(1 == OmxRpc_module->localCoreRcmServer.initDone)' failed.
Aborted

One thing that may be worth noting: I have a patch to my omxbufferalloc, as a result of an unrelated crash:

===================================================================
--- gst-openmax-dm81xx.orig/src/omx/gstomxbufferalloc.c 2012-11-14 16:15:41.392143697 -0600
+++ gst-openmax-dm81xx/src/omx/gstomxbufferalloc.c 2012-11-14 16:17:40.760145714 -0600
@@ -190,6 +190,7 @@

gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
+ filter->out_port.portptr = gst_omxportptr_new(&filter->out_port);
filter->silent = FALSE;
filter->out_port.num_buffers = 10;
filter->out_port.always_copy = FALSE
===================================================================

This was a patch provided by TI in the following thread:

http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/717/p/228258/812203.aspx

0 Margarita Gashova over 12 years ago in reply to Devin Heitmueller

TI__Guru* 80190 points

Hello Devin,

I will check. I will let you know, when I have something.

Best Regards,

Margarita

0 Margarita Gashova over 12 years ago in reply to Devin Heitmueller

TI__Guru* 80190 points

Hello,

Could you try:

V4L2src capture + V4L2 sink display:

gst-launch v4l2src always-copy=false queue-size=12 ! 'video/x-raw-yuv-strided,format=(fourcc)NV12,width=1920,height=1080,framerate=(fraction)60/1' ! omxbufferalloc numBuffers=12 ! omx_scaler ! gstperf ! v4l2sink sync=false

V4L2src capture + V4L2 sink display:

gst-launch v4l2src always-copy=false queue-size=12 ! 'video/x-raw-yuv-strided,format=(fourcc)NV12,width=1920,height=1080,framerate=(fraction)60/1' ! omxbufferalloc numBuffers=12 ! gstperf ! v4l2sink sync=false

V4L2src capture + OMX sink display:

gst-launch v4l2src always-copy=false queue-size=12 ! 'video/x-raw-yuv-strided,format=(fourcc)NV12,width=1920,height=1080,framerate=(fraction)60/1' ! omxbufferalloc numBuffers=12 ! omx_scaler ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! gstperf ! omx_videosink sync=false

OMX camera capture + OMX sink display:

gst-launch v4l2src always-copy=false queue-size=12 ! "video/x-raw-yuv, format=(fourcc)NV12, width=1920, height=1080, framerate=60/1, buffer-count-requested=4" ! omx_scaler ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! gstperf print-fps=true print-arm-load=true ! omx_videosink sync=false

Let me know, the result.

Devin Heitmueller said:
gst-launch videotestsrc ! "video/x-raw-yu
v, format=(fourcc)YUY2, width=640, height=480, framerate=30/1" ! omxbufferalloc
numBuffers=12 ! omx_noisefilter ! omx_mdeiscaler name=d d.src_00 ! 'video/x-raw
-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P
_60 display-device=LCD ! gstperf ! omx_videosink display-device=LCD sync=false d
.src_01 ! gstperf ! queue ! fakesink silent=true

This pipeline isn't correct. It fails on CTRL.DC(OMX component).

Best Regards,
Margarita

0 Devin Heitmueller over 12 years ago in reply to Margarita Gashova

Intellectual 365 points

Hello Margarita,

I cannot test these use cases as described because I do not have any of the drivers installed for the EVK onboard capture source.

What is wrong with the pipeline? Please be more specific. I certainly hope you are not suggesting that it is permissible that there be an improperly specified pipeline that results in crashing syslink. I say that of course knowing full well that the code quality in TI's gstreamer implementation is so poor that I've practically worn out the power switch on my EVK from having to power cycle it so much during this project.

Is there any way to do further testing without a real V4L2 source? For example, the pipeline I provided that uses videotestsrc demonstrates the actual failure and doesn't require any actual capture driver. Yes the pipeline doesn't work but it points out the faulty exception handling in TI's code, which should be good enough to debug the underlying issue.

By the way, why doesn't omxbufferalloc work with videotestsrc? That seems like it would have been really smart to make that use case work as it would allow users to exercise the complete pipeline with the OMX components without having a real capture source.

Devin

0 Margarita Gashova over 12 years ago in reply to Devin Heitmueller

TI__Guru* 80190 points

Hello,

gst-launch videotestsrc ! "video/x-raw-yuv, format=(fourcc)YUY2, width=640, height=480, framerate=30/1" ! omxbufferalloc numBuffers=12 ! omx_noisefilter ! omx_mdeiscaler name=d d.src_00 ! 'video/x-raw-yuv, width=(int)800, height=(int)480' ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 display-device=LC
D ! gstperf ! omx_videosink display-device=LCD sync=false d.src_01 ! gstperf ! queue ! fakesink silent=true
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
allocating 12 buffers of size:614400!!
allocated outbuf:0x40c1c080
allocated outbuf:0x40cb2080
allocated outbuf:0x40d48080
allocated outbuf:0x40dde080
allocated outbuf:0x40e74080
allocated outbuf:0x40f0a080
allocated outbuf:0x40fa0080
allocated outbuf:0x41036080
allocated outbuf:0x410cc080
allocated outbuf:0x41162080
allocated outbuf:0x411f8080
allocated outbuf:0x4128e080
Caught interrupt -- handling interrupt.
Interrupt: Stopping pipeline ...
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Assertion at Line no: 380 in /swcoe/sdk/cm/netra/arago-tmp/work/dm814x-evm-none-linux-gnueabi/ti-syslink-2_20_02_20-r1j/syslink_2_20_02_20/packages/ti/syslink/utils/hlos/knl/Linux/../../../../../../ti/syslink/utils/hlos/knl/ResTrack.c: (elem == NULL) : failed
Freeing pipeline ...
gst-launch-0.10: OmxRpcStub.c:1432: OmxRpc_stubGetState: Assertion `(1 == OmxRpc_module->localCoreRcmServer.initDone)' failed.
Aborted

Getting the assertion in ResTrack.c line 380, means you have either not deleted a MessageQ, a HeapBufMP, or failed to call Notify_unregister (or Notify_unregisterSingle).

You could check this thread too:

http://e2e.ti.com/support/embedded/linux/f/354/t/254951.aspx?pi239031349=2

Best Regards,

Margarita

0 Andrea Scian over 12 years ago in reply to Margarita Gashova

Intellectual 1000 points

Dear All,

it seems that there's a problem in using omx_videosink.

In my tests I've found the using v4l2sink instead of omx_videosink solve the problem.

The following pipeline:

gst-launch -e -v v4l2src device="/dev/video0" always-copy=false queue-size=8 num-buffers=-1 ! 'video/x-raw-yuv-strided,format=(fourcc)NV12,width=1920,height=1080,framerate=(fraction)60/1' ! omxbufferalloc silent=false numBuffers=8 ! omx_scaler ! gstperf ! v4l2sink device="/dev/video4" sync=false

Has no problem in stopping and restarting gstreamer:

root@dm814x-evm:~# source ./gst-nelk.sh; gst-launch -e -v v4l2src device="/dev/v
ideo0" always-copy=false queue-size=8 num-buffers=-1 ! 'video/x-raw-yuv-strided,
format=(fourcc)NV12,width=1920,height=1080,framerate=(fraction)60/1' ! omxbuffer
alloc silent=false numBuffers=8 ! omx_scaler ! gstperf ! v4l2sink device="/dev/v
ideo4" sync=false
Setting pipeline to PAUSED ...

** (gst-launch-0.10:1502): CRITICAL **: gst_v4l2sink_sync_rotation: assertion `v4l2_ioctl (fd, VIDIOC_S_CTRL, &control) >= 0' failed

** (gst-launch-0.10:1502): CRITICAL **: gst_v4l2sink_sync_rotation: assertion `v4l2_ioctl (fd, VIDIOC_S_CTRL, &control) >= 0' failed

** (gst-launch-0.10:1502): CRITICAL **: gst_v4l2sink_sync_flip: assertion `v4l2_ioctl (fd, VIDIOC_S_CTRL, &control) >= 0' failed
[ 1668.950000] ti81xxvin ti81xxvin: Invalid input index
[ 1668.960000] ti81xxvin ti81xxvin: Invalid format index
[ 1668.970000] naon-evb-mid: detected preset: 18
[ 1668.970000] naon-evb-mid: MBUS_FMT: Width - 1024, Height - 768

[ 1668.980000] naon-evb-mid: MBUS_FMT: Width - 1024, Height - 768 Mode set is 1080
allocating 8 buffers of size:3110400!!
allocated outbuf:0x4824c080
allocated outbuf:0x48543680
allocated outbuf:0x4883ac80
allocated outbuf:0x48b32280
allocated outbuf:0x48e29880
allocated outbuf:0x49120e80
allocated outbuf:0x49418480
allocated outbuf:0x4970fa80
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:src: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = video/x-raw-yuv-strided, format=(fourcc)NV12, rowstride=(int)1920, framerate=(fraction)60/1, width=(int)1920, height=(int)1080
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:src: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:src: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:sink: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
/GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0.GstPad:sink: caps = video/x-raw-yuv, width=(int)1920, height=(int)1080, format=(fourcc)YUY2, framerate=(fraction)60/1, interlaced=(boolean)false
perf0: frames: 60 current: 59.07 average: 59.07 arm-load: 1
perf0: frames: 120 current: 60.00 average: 59.53 arm-load: 2
perf0: frames: 181 current: 60.00 average: 59.69 arm-load: 0
Caught interrupt -- perf0: frames: 242 current: 60.00 average: 59.77 arm-load: 0
handling interrupt.
Interrupt: Stopping pipeline ...
EOS on shutdown enabled -- Forcing EOS on the pipeline
Recieved EOS event, press <CTRL+C> to terminate pipeline.
Waiting for EOS...
Got EOS from element "pipeline0".
EOS received - stopping pipeline...
Execution ended after 4330846650 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...

!!!!!!!!!unreference all the remaining buffers!!!!!!!!!/GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/Gstperf:perf0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstOmxScaler:omxscaler0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:
[ 1673.420000] t81xx_vidout t81xx_vidout: VIDOUT0: invalid dequeue
src: caps = NULL
/GstPipeline:pipeline0/GstomxBufferAlloc:omxbufferalloc0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = NULL
Setting pipeline to NULL ...
Freeing pipeline ...

Any comment on this?

Best Regards,

Andrea

Processors

Processors forum

gstreamer, v4l2 capture/display: omx assertion failed