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how to fix ignoring DTS going backward warning

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manas_mandal
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how to fix ignoring DTS going backward warning

manas_mandal
while running gstreamer pipeline command i am keep on getting ignoring DTS
going backward , facing tough time to fix thise warning . Can someone please
help to fix this warning, in-terms of audio /video decoding i am not facing
any issue


GSTREAMER PIPELINE COMMAND [*appsrc name=videosrc is-live=true block=true
do-timestamp=true stream-type=0 format=time
caps=video/x-raw,format=BGR,width=1920,height=1080,framerate=30/1 !
videoconvert ! x264enc tune=zerolatency ! mux. appsrc name=audiosrc
do-timestamp=true format=time
caps=audio/x-raw,format=S16LE,channels=2,rate=48000,layout=interleaved  !
audioconvert ! queue ! voaacenc ! aacparse ! queue ! mux. mpegtsmux name=mux
! queue ! hlssink location=/var/www/slot1/segment-%05d.ts
playlist-location=/var/www/slot1/slot1.m3u8 max-files=10 playlist-length=5
target-duration=5*]

0:00:00.274315533  1111 0x7f51fc06dcf0 FIXME                default
gstutils.c:3981:gst_pad_create_stream_id_internal:<videosrc:src> Creating
random stream-id, consider implementing a deterministic way of creating a
stream-id
0:00:00.274463655  1111 0x7f51fc06d2d0 FIXME                default
gstutils.c:3981:gst_pad_create_stream_id_internal:<audiosrc:src> Creating
random stream-id, consider implementing a deterministic way of creating a
stream-id
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
>>>>>>>>>>>>>>>>>>>> devInfo 2 48000 2
0:00:00.810182146  1111 0x7f51fc06ded0 FIXME               basesink
gstbasesink.c:3145:gst_base_sink_default_event:<multifilesink0> stream-start
event without group-id. Consider implementing group-id handling in the
upstream elements
0:00:00.810414906  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.810571173  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.810638670  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.810702713  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.810760674  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.842297487  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.876042244  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:00.939012033  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.009470773  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.078878028  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.145503578  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.208840176  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.292051087  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.355137842  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.355221755  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.415863009  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.479122330  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.520766275  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.607511039  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.679184317  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.714954645  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.777380293  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward
0:00:01.846492771  1111 0x7f51fc06dd90 WARN               mpegtsmux
mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
going backward




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Nicolas Dufresne-5
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Re: how to fix ignoring DTS going backward warning

Nicolas Dufresne-5
Le lundi 25 mai 2020 à 14:55 -0500, manas_mandal a écrit :

> while running gstreamer pipeline command i am keep on getting ignoring DTS
> going backward , facing tough time to fix thise warning . Can someone please
> help to fix this warning, in-terms of audio /video decoding i am not facing
> any issue
>
>
> GSTREAMER PIPELINE COMMAND [*appsrc name=videosrc is-live=true block=true
> do-timestamp=true stream-type=0 format=time
> caps=video/x-raw,format=BGR,width=1920,height=1080,framerate=30/1 !
> videoconvert ! x264enc tune=zerolatency ! mux. appsrc name=audiosrc
> do-timestamp=true format=time
> caps=audio/x-raw,format=S16LE,channels=2,rate=48000,layout=interleaved  !
> audioconvert ! queue ! voaacenc ! aacparse ! queue ! mux. mpegtsmux name=mux
> ! queue ! hlssink location=/var/www/slot1/segment-%05d.ts
> playlist-location=/var/www/slot1/slot1.m3u8 max-files=10 playlist-length=5
> target-duration=5*]

Do you make sure in your app to set both PTS and DTS on your raw audio buffers ?
This is just to prevent further element downstream making some erroneous guess.
Appart from that, have you tried with different AAC encoder ? (e.g. fdkaacenc
instead). I tried variaous compination here, but could not reproduce.

>
> 0:00:00.274315533  1111 0x7f51fc06dcf0 FIXME                default
> gstutils.c:3981:gst_pad_create_stream_id_internal:<videosrc:src> Creating
> random stream-id, consider implementing a deterministic way of creating a
> stream-id
> 0:00:00.274463655  1111 0x7f51fc06d2d0 FIXME                default
> gstutils.c:3981:gst_pad_create_stream_id_internal:<audiosrc:src> Creating
> random stream-id, consider implementing a deterministic way of creating a
> stream-id
> ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
> ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
> ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
> ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
> ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
> > > > > > > > > > > > > > > > > > > > > devInfo 2 48000 2
> 0:00:00.810182146  1111 0x7f51fc06ded0 FIXME               basesink
> gstbasesink.c:3145:gst_base_sink_default_event:<multifilesink0> stream-start
> event without group-id. Consider implementing group-id handling in the
> upstream elements
> 0:00:00.810414906  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.810571173  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.810638670  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.810702713  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.810760674  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.842297487  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.876042244  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:00.939012033  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.009470773  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.078878028  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.145503578  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.208840176  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.292051087  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.355137842  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.355221755  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.415863009  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.479122330  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.520766275  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.607511039  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.679184317  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.714954645  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.777380293  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
> 0:00:01.846492771  1111 0x7f51fc06dd90 WARN               mpegtsmux
> mpegtsmux.c:1284:mpegtsmux_clip_inc_running_time:<mux:sink_66> ignoring DTS
> going backward
>
>
>
>
> --
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> _______________________________________________
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