Ffmpeg works but gstreamer does not work for rtsp camera

Wed Jan 6 15:53:14 UTC 2021

Hi,

You may want to try with rtspt:// as a URL, this will force rtspsrc to
use the TCP transport (analog to -rtsp_transport tcp in ffmpeg).

Olivier

On Tue, 2021-01-05 at 19:08 -0600, jinmc wrote:
> I’m using Nvidia Jetson Tx2 device.
> 
> With the following command, I can connect and capture an image with
> ffmpeg.
> 
> $/usr/bin/ffmpeg -y -frames 1 snapshot.png -rtsp_transport tcp -i
> rtsp://admin:admin@192.168.10.132/1/profile
> ffmpeg version 3.4.8-0ubuntu0.2 Copyright (c) 2000-2020 the FFmpeg
> developers
>   built with gcc 7 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)
>   configuration: --prefix=/usr --extra-version=0ubuntu0.2
> --toolchain=hardened --libdir=/usr/lib/aarch64-linux-gnu
> --incdir=/usr/include/aarch64-linux-gnu --enable-gpl --disable-
> stripping
> --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libflite --enable-libfontconfig
> --enable-libfreetype --enable-libfribidi --enable-libgme --enable-
> libgsm
> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg
> --enable-libopenmpt --enable-libopus --enable-libpulse
> --enable-librubberband --enable-librsvg --enable-libshine --enable-
> libsnappy
> --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora
> --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-
> libwavpack
> --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
> --enable-libzmq --enable-libzvbi --enable-omx --enable-openal
> --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm
> --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-
> libopencv
> --enable-libx264 --enable-shared
>   libavutil      55. 78.100 / 55. 78.100
>   libavcodec     57.107.100 / 57.107.100
>   libavformat    57. 83.100 / 57. 83.100
>   libavdevice    57. 10.100 / 57. 10.100
>   libavfilter     6.107.100 /  6.107.100
>   libavresample   3.  7.  0 /  3.  7.  0
>   libswscale      4.  8.100 /  4.  8.100
>   libswresample   2.  9.100 /  2.  9.100
>   libpostproc    54.  7.100 / 54.  7.100
> Guessed Channel Layout for Input Stream #0.1 : mono
> Input #0, rtsp, from 'rtsp://admin:admin@192.168.10.131/1/profile':
>   Metadata:
>     title           : SDP Descrption
>     comment         : SDP Description
>   Duration: N/A, start: 0.000000, bitrate: N/A
>     Stream #0:0: Video: h264 (High), yuvj420p(pc, bt709,
> progressive),
> 1920x1080, 25 fps, 30 tbr, 90k tbn, 50 tbc
>     Stream #0:1: Audio: pcm_alaw, 8000 Hz, mono, s16, 64 kb/s
>     Stream #0:2: Data: none
> Stream mapping:
>   Stream #0:0 -> #0:0 (h264 (native) -> png (native))
> Press [q] to stop, [?] for help
> [swscaler @ 0x55a8f70c70] deprecated pixel format used, make sure you
> did
> set range correctly
> [swscaler @ 0x55a8f70c70] No accelerated colorspace conversion found
> from
> yuv420p to rgb24.
> Output #0, image2, to 'snapshot.png':
>   Metadata:
>     title           : SDP Descrption
>     comment         : SDP Description
>     encoder         : Lavf57.83.100
>     Stream #0:0: Video: png, rgb24, 1920x1080, q=2-31, 200 kb/s, 30
> fps, 30
> tbn, 30 tbc
>     Metadata:
>       encoder         : Lavc57.107.100 png
> frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.03 bitrate=N/A
> dup=1
> drop=1 speed=0.066x    
> video:1982kB audio:0kB subtitle:0kB other streams:0kB global
> headers:0kB
> muxing overhead: unknown
> 
> 
> But with gstreamer, (I’m using version 1.14.5) I am not able to
> access the
> rtsp feed.
> I am pretty sure this is a Gstreamer issue because I can get the
> screenshot
> image when using ffmpeg.
> 
> 
> $gst-launch-1.0 uridecodebin
> uri=rtsp://admin:admin@192.168.10.131/1/profile
> ! fakesink
> Setting pipeline to PAUSED ...
> Pipeline is live and does not need PREROLL ...
> Progress: (open) Opening Stream
> Progress: (connect) Connecting to
> rtsp://admin:admin@192.168.10.131/1/profile
> Progress: (open) Retrieving server options
> Progress: (open) Retrieving media info
> Progress: (request) SETUP stream 0
> Progress: (request) SETUP stream 1
> Progress: (request) SETUP stream 2
> ERROR: from element
> /GstPipeline:pipeline0/GstURIDecodeBin:uridecodebin0/GstRTSPSrc:sourc
> e:
> Could not read from resource.
> Additional debug info:
> gstrtspsrc.c(5917): gst_rtsp_src_receive_response ():
> /GstPipeline:pipeline0/GstURIDecodeBin:uridecodebin0/GstRTSPSrc:sourc
> e:
> Could not receive message. (Timeout while waiting for server
> response)
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to PAUSED ...
> Setting pipeline to READY ...
> Setting pipeline to NULL ...
> Freeing pipeline ...
> 
> I found this post that says that the ugly plugin might be the problem
> and
> uninstalled it but it still does not work. Reference Url :
> https://forums.developer.nvidia.com/t/rtsp-gstreamer-simple-recieve-and-store-in-file/157535/12
> 
> Any help will be appreciated. Thanks!
> 
> 
> 
> 
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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-- 
Olivier Crête
olivier.crete at collabora.com

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