GES and qtmux 1.16.0 caps re-negotiation problem

[David Ing]

Please disregard this message.  It is a duplicate of a prior message.

On Thu, Jul 25, 2019 at 10:22 AM David Ing <ding at panopto.com> wrote:

> I'm on Fedora 30 running Gstreamer 1.16.0.
>
> I've got a GESTimeline inside of a GstPipeline.  I have attached dot files
> which shows the pipeline immediately after each state transition.
>
>    - NULL -> READY
>    - READY -> PAUSED
>    - PAUSED -> PLAYING
>    - PLAYING, "JobFailed", when I receive an error message on the bus
>
> I would have provided image files but graphviz doesn't like these dot
> files ... but you can use http://www.webgraphviz.com/ to visualize them.
> They seem accurate except they show tee_video as disconnected (it is
> actually connected).
>
> I'm attaching a "small_logs.txt" file (less verbose) and a "big_logs.txt"
> file (more verbose).  The interesting bits can be observed in the small
> file.
>
> 19-07-24T22:53:13.786414 INFO    pan CompositionJob.cpp:123 Pipeline state
> changed from PAUSED to PLAYING in 0.000 seconds.
> 19-07-24T22:53:14.120278 WARNING qtmux gstqtmux.c:5118 pad video_0 refused
> renegotiation to video/x-h264,
> codec_data=(buffer)01640028ffe1001f67640028acd940780227e5c05a808080a0000003002000000303d1e30632c001000568ebecb22c,
> stream-format=(string)avc, alignment=(string)au, level=(string)4,
> profile=(string)high, width=(int)1920, height=(int)1080,
> pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1,
> interlace-mode=(string)progressive, colorimetry=(string)bt709,
> chroma-site=(string)mpeg2
> 19-07-24T22:53:14.120551 WARNING qtmux gstqtmux.c:5118 pad video_0 refused
> renegotiation to video/x-h264,
> codec_data=(buffer)01640028ffe1001f67640028acd940780227e5c05a808080a0000003002000000303d1e30632c001000568ebecb22c,
> stream-format=(string)avc, alignment=(string)au, level=(string)4,
> profile=(string)high, width=(int)1920, height=(int)1080,
> pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1,
> interlace-mode=(string)progressive, colorimetry=(string)bt709,
> chroma-site=(string)mpeg2
> 19-07-24T22:53:14.120617 WARNING GST_PADS gstpad.c:4230 could not send
> sticky events
> 19-07-24T22:53:14.120740 WARNING qtmux gstqtmux.c:5118 pad video_0 refused
> renegotiation to video/x-h264,
> codec_data=(buffer)01640028ffe1001f67640028acd940780227e5c05a808080a0000003002000000303d1e30632c001000568ebecb22c,
> stream-format=(string)avc, alignment=(string)au, level=(string)4,
> profile=(string)high, width=(int)1920, height=(int)1080,
> pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1,
> interlace-mode=(string)progressive, colorimetry=(string)bt709,
> chroma-site=(string)mpeg2
> 19-07-24T22:53:14.120822 WARNING qtmux gstqtmux.c:5118 pad video_0 refused
> renegotiation to video/x-h264,
> codec_data=(buffer)01640028ffe1001f67640028acd940780227e5c05a808080a0000003002000000303d1e30632c001000568ebecb22c,
> stream-format=(string)avc, alignment=(string)au, level=(string)4,
> profile=(string)high, width=(int)1920, height=(int)1080,
> pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1,
> interlace-mode=(string)progressive, colorimetry=(string)bt709,
> chroma-site=(string)mpeg2
> 19-07-24T22:53:14.120896 WARNING qtmux gstqtmux.c:5118 pad video_0 refused
> renegotiation to video/x-h264,
> codec_data=(buffer)01640028ffe1001f67640028acd940780227e5c05a808080a0000003002000000303d1e30632c001000568ebecb22c,
> stream-format=(string)avc, alignment=(string)au, level=(string)4,
> profile=(string)high, width=(int)1920, height=(int)1080,
> pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1,
> interlace-mode=(string)progressive, colorimetry=(string)bt709,
> chroma-site=(string)mpeg2
> 19-07-24T22:53:14.137918 WARNING qtdemux qtdemux.c:6607 error: Internal
> data stream error.
> 19-07-24T22:53:14.138040 WARNING qtdemux qtdemux.c:6607 error: streaming
> stopped, reason not-negotiated (-4)
> 19-07-24T22:53:14.138201 ERROR   pan CompositionJob.cpp:282
> GST_MESSAGE_ERROR received from element qtdemux5 at position 5465466666:
> Internal data stream error.
> ../gst-plugins-good/gst/isomp4/qtdemux.c(6607): gst_qtdemux_loop ():
> /GstPipeline:pipeline/GESTimeline:gestimeline0/GESVideoTrack:gesvideotrack0/NleComposition:video_nlecomposition1/GstBin:current-bin/NleSource:GESVideoUriSource:nlesource4/GstBin:videosrcbin/GstURIDecodeBin:uridecodebin2/GstDecodeBin:decodebin9/GstQTDemux:qtdemux5:
> streaming stopped, reason not-negotiated (-4)
>
>
> The job fails because of this error.  I am not sure, but it seems like
> there is a caps negotatiation.  The PAUSED -> PLAYING graph shows a
> framerate of 119/4.  By the time the job fails, many of the caps have
> changed to a framerate of 15/1.  So I am guessing that the caps negotiation
> is trying to change the framerate (all other caps are same).
>
> My questions are:
>
>    1. Why is this happening?
>    2. How might I fix it?
>
> Attachments are on google drive:
>
>
> https://drive.google.com/drive/folders/19UkMHh9kV7P1JcXeYfVRsMw2jHEUEfOA?usp=sharing
>
> TL;DR
>
> This issue was originally posted on another email thread, but I provided
> logs that were incomplete.
>
>
> http://gstreamer-devel.966125.n4.nabble.com/GES-1-16-0-caps-renegotiation-problem-td4691402.html
>
>
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