Anjo John
anjo.john at vvdntech.in
Thu Mar 2 13:08:38 UTC 2017
Did you tried removing the caps filter
On Thu, Mar 2, 2017 at 6:22 PM, 张若 <zr92zr at gmail.com> wrote:
> I tried this. It shows the same error.
>
> 2017-03-02 13:37 GMT+01:00 Anjo John <anjo.john at vvdntech.in>:
>
>> Could you try removing the format "I420". from the logs its seems the
>> format is not negotiated. make sure the camera supports I420 format. One
>> way to do this is dump the raw frames to a filesink and use any raw viewing
>> tool to analyse the data.
>> gst-launch-1.0 v4l2src device=/dev/video0 ! video/x-raw, width=320,
>> height=240, framerate=30/1 ! filesink location===test.yuv
>>
>>
>> On Thu, Mar 2, 2017 at 5:32 PM, 张若 <zr92zr at gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> I am using the mipi camera on board for a test:
>>>
>>> gst-launch-1.0 v4l2src device=/dev/video0 !
>>> video/x-raw,format=I420,width=320,height=240,framerate=30/1 !
>>> videoconvert ! fakesink
>>>
>>> But it always shows errors about not negotiated (-4).
>>>
>>> The details about debug info as below:
>>>
>>>
>>> “
>>>
>>> Setting pipeline to PAUSED ...
>>>
>>> Pipeline is live and does not need PREROLL ...
>>>
>>> 0:00:00.775658000 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2618:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Unknown frame sizeenum type for pixelformat YUYV: 0
>>>
>>> 0:00:00.775854667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:00.775905334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2633:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe minimum capture size for pixelformat YUYV
>>>
>>> 0:00:00.775988000 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:00.776034334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2639:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe maximum capture size for pixelformat YUYV
>>>
>>> 0:00:00.776153667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2618:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Unknown frame sizeenum type for pixelformat YU12: 0
>>>
>>> 0:00:00.776245667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:00.776292667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2633:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe minimum capture size for pixelformat YU12
>>>
>>> 0:00:00.776375000 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:00.776419667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2639:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe maximum capture size for pixelformat YU12
>>>
>>> 0:00:00.776535667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2618:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Unknown frame sizeenum type for pixelformat YV12: 0
>>>
>>> 0:00:00.776626000 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> Setting pipeline to PLAYING ...
>>>
>>> 0:00:00.776672000 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2633:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe minimum capture size for pixelformat YV12
>>>
>>> 0:00:00.776754667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:00.776802667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2639:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe maximum capture size for pixelformat YV12
>>>
>>> 0:00:00.776931334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2618:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Unknown frame sizeenum type for pixelformat BGR3: 0
>>>
>>> 0:00:00.777033334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:00.777083667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2633:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe minimum capture size for pixelformat BGR3
>>>
>>> 0:00:00.777170000 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> New clock: GstSystemClock
>>>
>>> 0:00:01.109641667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2639:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe maximum capture size for pixelformat BGR3
>>>
>>> 0:00:01.109869334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2618:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Unknown frame sizeenum type for pixelformat RGB3: 0
>>>
>>> 0:00:01.110027334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:01.110081667 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2633:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe minimum capture size for pixelformat RGB3
>>>
>>> 0:00:01.110169334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2741:gst_v4l2_object_get_nearest_size:<v4l2src0> Unable
>>> to try format: Invalid argument
>>>
>>> 0:00:01.110216334 17474 0xa712f0 WARN v4l2
>>> gstv4l2object.c:2639:gst_v4l2_object_probe_caps_for_format:<v4l2src0>
>>> Could not probe maximum capture size for pixelformat RGB3
>>>
>>> 0:00:01.115789334 17474 0xa712f0 WARN basesrc
>>> gstbasesrc.c:2948:gst_base_src_loop:<v4l2src0> error: Internal data
>>> flow error.
>>>
>>> 0:00:01.115877667 17474 0xa712f0 WARN basesrc
>>> gstbasesrc.c:2948:gst_base_src_loop:<v4l2src0> error: streaming task
>>> paused, reason not-negotiated (-4)
>>>
>>> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
>>> Internal data flow error.
>>>
>>> Additional debug info:
>>>
>>> gstbasesrc.c(2948): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2
>>> Src:v4l2src0:
>>>
>>> streaming task paused, reason not-negotiated (-4)
>>>
>>> Execution ended after 0:00:00.339158667
>>>
>>> Setting pipeline to PAUSED ...
>>>
>>> Setting pipeline to READY ...
>>>
>>> Setting pipeline to NULL ...
>>>
>>> Freeing pipeline ...
>>>
>>> “
>>>
>>>
>>> Thanks in advanced!
>>>
>>>
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>>
>>
>>
>> --
>>
>> *With Best Regards*
>>
>>
>> *Anjo John*
>>
>> VVDN Technologies Pvt Ltd
>>
>> *Cell : *+91 9539931442 <+91%2095399%2031442> | Skype :anjojohn051
>>
>>
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
>
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> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
>
--
*With Best Regards*
*Anjo John*
VVDN Technologies Pvt Ltd
*Cell : *+91 9539931442 | Skype :anjojohn051
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