[Elphel-support] Fwd: strreaming problem...

Thu May 17 08:50:28 PDT 2012

---------- Forwarded message ----------
From: Andrey Filippov <support-list at support.elphel.com>
Date: Thu, May 17, 2012 at 9:50 AM
Subject: Re: [Elphel-support] strreaming problem...
To: Carlos Padial <palidoestudio2 at gmail.com>

Carlos,

is the streamer the only application running in the camera (no recording)?
What is the frame size (in bytes, not pixels)?
On the MPlayer side you may try adding "vo null" so it will just
receive/report data but discrad it.

Andrey

On Thu, May 17, 2012 at 6:05 AM, Carlos Padial <palidoestudio2 at gmail.com>wrote:

> this command works with 1920x1088 for a few seconds, then crashes
>
> --------------------------------------------------
>
> Playing rtsp://192.168.0.9:554.
> Resolving 192.168.0.9 for AF_INET6...
>
> Couldn't resolve name for AF_INET6: 192.168.0.9
> Connecting to server 192.168.0.9[192.168.0.9]: 554...
>
> rtsp_session: unsupported RTSP server. Server type is 'unknown'.
> STREAM_LIVE555, URL: rtsp://192.168.0.9:554
> Stream not seekable!
>  file format detected.
> Initiated "video/JPEG" RTP subsession on port 40862
> VIDEO:  [MJPG]  0x0  0bpp  24.000 fps    0.0 kbps ( 0.0 kbyte/s)
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> libavcodec version 53.35.0 (external)
> Mismatching header version 53.32.2
> Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG)
> ==========================================================================
> Audio: no sound
> Starting playback...
> Movie-Aspect is 1.76:1 - prescaling to correct movie aspect.
> VO: [x11] 1920x1088 => 1920x1088 Planar YV12  [zoom]
> [swscaler @ 0xb6b8aa20]using unscaled yuv420p -> bgra special converter
> V:   2.6  28/ 28 18% 38%  0.0% 0 0
>
>
> Exiting... (End of file)
>
> ----------------------------------------------
>
> if i relaunch mplayer dont work, but a few minutes later it works again
> for another 5 seconds and then i need to restart the camera.
>
> I cannot see the fps when the camera freezes, but i started the operation
> with green fps (no autoexposure, 30 milis shutter)
>
> The scene is static, this only affects to the final compresion, right?
>
>
>
> 2012/5/16 Oleg <support-list at support.elphel.com>
>
>> Does mplayer work with all resolutions? Could you try it?
>>
>>> mplayer rtsp://192.168.0.9:554 -vo x11 -zoom
>>
>>
>> Also, is the scene static? what is the maximum exposure? Does the fps
>> indicator go red (meaning the exposure exceeds the frame rate)?
>>
>> Best regards,
>> Oleg Dzhimiev
>> Electronics Engineer
>> phone: +1 801 783 5555 x124
>> Elphel, Inc.
>>
>>
>> On 16 May 2012 06:00, Carlos Padial <palidoestudio2 at gmail.com> wrote:
>>
>>> when i run this (with resolution 1920x1088):
>>>
>>> $ gst-launch rtspsrc location=rtsp://192.168.0.9:554 latency=100 !
>>> rtpjpegdepay ! jpegdec ! autovideosink
>>> Estableciendo el conducto a PAUSA …
>>> El conducto está vivo y no necesita PREPARARSE …
>>> Estableciendo el conducto a REPRODUCIENDO …
>>> New clock: GstSystemClock
>>>
>>> and gstreamer hangs until i press ctrl+c...
>>>
>>> while gstreamer is active, no video is showed and no telnet, neither ssh
>>> can be done...
>>>
>>> when i cancel gstreamer i can restart ssh and telnet,
>>>
>>> but camcv dont work until i restart the camera... with this message:
>>> JavaScript: Aborted as retry counter expired
>>>
>>>
>>> 2012/5/16 Sebastian Pichelhofer <sebastian.pichelhofer at gmail.com>
>>>
>>>> Can you still SSH to the camera when this happens?
>>>> If yes, is the str (streamer) process still running properly or did it
>>>> crash?
>>>>
>>>> Regards Sebastian
>>>>
>>>> On Wed, May 16, 2012 at 1:02 PM, Carlos Padial <
>>>> palidoestudio2 at gmail.com> wrote:
>>>>
>>>>> i had a problem with the streaming...
>>>>>
>>>>> i start the camera and launch a simple stream viewer with:
>>>>> gst-launch rtspsrc location=rtsp://192.168.0.9:554 latency=100 !
>>>>> rtpjpegdepay ! jpegdec ! autovideosink
>>>>>
>>>>> and i can see the video working fine.
>>>>>
>>>>> Then i go to camcv and set the sensor to 1920x1088 (or 1280x720) (i
>>>>> tried also limitting the framerate and manual exposure...)
>>>>>
>>>>> when i launch again gstreamer, the stream never start, and the network
>>>>> stops working. The camera remains with green and yellow leds on, and the
>>>>> Internet conection is collapsed for all computers in the net until i
>>>>> restart the camera.
>>>>>
>>>>> it has been happening a lot of times. Normally gstreamer and vlc are
>>>>> only able to see the strream when working at full resolution. Sometimes the
>>>>> gstreamer shows the video with other resolutions, and works fine, but
>>>>> suddenly it fails and i cant find a reason for this...
>>>>>
>>>>> (the camera freezes only when reading the stream. When recording from
>>>>> camogmgui it works ok at any resolution)
>>>>>
>>>>> any ideas?
>>>>>
>>>>> --
>>>>> Carlos Padial
>>>>> surreal.asturnazari.es
>>>>>
>>>>> _______________________________________________
>>>>> Support-list mailing list
>>>>> Support-list at support.elphel.com
>>>>>
>>>>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Carlos Padial
>>> surreal.asturnazari.es
>>>
>>> _______________________________________________
>>> Support-list mailing list
>>> Support-list at support.elphel.com
>>>
>>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>>
>>
>>
>
>
> --
> Carlos Padial
> surreal.asturnazari.es
>
> _______________________________________________
> Support-list mailing list
> Support-list at support.elphel.com
> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>
>
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