AW: RTP H264 encoding problem - bad files duration
Julio
jeloguin at gmail.com
Mon Sep 21 13:59:38 PDT 2015
Hi Tim.
Tried with the exact pipeline you tell me, and on Windows ( 7 64bit ) I got
the same bad result !!!.
Ten files, each with the duration of 10 plus the previous duration file ...
Here is the discoverer output of the third files:
C:\Users\x51085fr>gst-discoverer-1.0
"C:\\Users\\x51085fr\\Videos\\videossss-000.mp4"
WARNING: no real random source present!
Analyzing file:///C://Users//x51085fr//Videos//videossss-000.mp4
Done discovering file:///C://Users//x51085fr//Videos//videossss-000.mp4
Topology:
container: Quicktime
video: H.264 (High Profile)
Properties:
Duration: 0:00:10.000000000
Seekable: yes
Tags:
datetime: 2015-09-21T20:43:14Z
container format: ISO MP4/M4A
video codec: H.264 (High Profile)
bitrate: 1219906
language code: en
encoder: x264
minimum bitrate: 861600
maximum bitrate: 861600
C:\Users\x51085fr>gst-discoverer-1.0
"C:\\Users\\x51085fr\\Videos\\videossss-001.mp4"
WARNING: no real random source present!
Analyzing file:///C://Users//x51085fr//Videos//videossss-001.mp4
Done discovering file:///C://Users//x51085fr//Videos//videossss-001.mp4
Topology:
container: Quicktime
video: H.264 (High Profile)
Properties:
Duration: 0:00:20.000000000
Seekable: yes
Tags:
datetime: 2015-09-21T20:43:14Z
container format: ISO MP4/M4A
video codec: H.264 (High Profile)
bitrate: 1258578
language code: en
encoder: x264
minimum bitrate: 1246400
maximum bitrate: 1246400
C:\Users\x51085fr>gst-discoverer-1.0
"C:\\Users\\x51085fr\\Videos\\videossss-002.mp4"
WARNING: no real random source present!
Analyzing file:///C://Users//x51085fr//Videos//videossss-002.mp4
Done discovering file:///C://Users//x51085fr//Videos//videossss-002.mp4
Topology:
container: Quicktime
video: H.264 (High Profile)
Properties:
Duration: 0:00:30.000000000
Seekable: yes
Tags:
datetime: 2015-09-21T20:43:14Z
container format: ISO MP4/M4A
video codec: H.264 (High Profile)
bitrate: 1260502
language code: en
encoder: x264
minimum bitrate: 1291400
maximum bitrate: 1291400
And attached is a windows screenshot with all the files and duration
... [image:
Imágenes integradas 1]
I´m using gstreamer Version: 1.5.1.0 32bit....
Any idea about what is happening ?
Thanks a lot !!!!
2015-09-21 20:57 GMT+02:00 Tim Müller [via GStreamer-devel] <
ml-node+s966125n4673759h5 at n4.nabble.com>:
> On Mon, 2015-09-21 at 17:53 +0200, Julio Franco wrote:
>
> Hi Julio,
>
> > Tried with splitmuxsink, and the result is the same ... files are
> > generated correctly, but the duration info in the header is wrong ...
> >
> > I mean, if I split video chunks every 10 seconds, the duration of the
> > first chunk is 10, the duration of the second one is 20 ... and so on
> > ... but the size of each chunk is ok.
>
> How are you determining what the duration of each chunk is?
>
> This works fine for me:
>
> $ gst-launch-1.0 videotestsrc num-buffers=2500 ! video/x
> -raw,framerate=25/1 ! x264enc key-int-max=25 ! splitmuxsink max-size
> -time=10500000000 location=/tmp/video-%03d.mp4
>
> $ gst-discoverer-1.0 /tmp/video-0* | grep Duration
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
> Duration: 0:00:10.000000000
>
>
> > And, for example if I play the first chunk in VLC, VLC do nothing in
> > the first 10 seconds and begin to show video in the second 11 ...
>
> What VLC version is this with? It works fine for me with:
>
> VLC media player 2.2.1 Terry Pratchett (Weatherwax) (revision 2.2.1-0
> -ga425c42)
>
> Cheers
> -Tim
>
> --
> Tim Müller, Centricular Ltd - http://www.centricular.com
>
> Join us at the GStreamer Conference: 8-9 October 2015 in Dublin, Ireland
>
>
>
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