Hello,
When i play rtsp video stream using command line, its working fine.But
with VideoCapture function of OpenCV,it could not. Please check the below
command:
---------------------
gst-launch-1.0 -v rtspsrc location="rtsp://admin:admin@192.168.1.2:554"
latency=10 ! rtph264depay ! h264parse ! ducatih264dec ! videoconvert !
waylandsink
---------------------(WORKING FINE)
----------------------
cv::VideoCapture cap("rtspsrc
location=\"rtsp://admin:admin@192.168.1.2:554\" latency=10 ! rtph264depay !
h264parse ! ducatih264dec ! videoconvert ! appsink ");
----------------------(Not Working).
Error log as below:
-------------------
(play_rtsp_stream:5304): GStreamer-CRITICAL **: gst_element_get_static_pad:
assertion 'GST_IS_ELEMENT (element)' failed
(play_rtsp_stream:5304): GStreamer-CRITICAL **: gst_pad_get_current_caps:
assertion 'GST_IS_PAD (pad)' failed
(play_rtsp_stream:5304): GStreamer-CRITICAL **: gst_caps_get_structure:
assertion 'GST_IS_CAPS (caps)' failed
(play_rtsp_stream:5304): GStreamer-CRITICAL **: gst_structure_get_int:
assertion 'structure != NULL' failed
(play_rtsp_stream:5304): GStreamer-CRITICAL **: gst_structure_get_int:
assertion 'structure != NULL' failed
(play_rtsp_stream:5304): GStreamer-CRITICAL **: gst_structure_get_fraction:
assertion 'structure != NULL' failed
GStreamer Plugin: Embedded video playback halted; module udpsrc8 reported:
Internal data stream error.
OpenCV Error: Unspecified error (GStreamer: unable to start pipeline
) in icvStartPipeline, file
/oe/bld/build-CORTEX_1/arago-tmp-external-linaro-toolchain/work/am57xx_evm-linux-gnueabi/opencv/3.1+gitAUTOINC+9b88e8c746-r3/git/modules/videoio/src/cap_gstreamer.cpp,
line 393
terminate called after throwing an instance of 'cv::Exception'
what():
/oe/bld/build-CORTEX_1/arago-tmp-external-linaro-toolchain/work/am57xx_evm-linux-gnueabi/opencv/3.1+gitAUTOINC+9b88e8c746-r3/git/modules/videoio/src/cap_gstreamer.cpp:393:
error: (-2) GStreamer: unable to start pipeline
in function icvStartPipeline
Aborted (core dumped)
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