I am having trouble to get ffmpeg write to a named pipe in windows. I know it's
possible to write to a anonymous pipe with the command:
ffmpeg.exe -vsync passthrough -f dshow -i video="AVerMedia SD 1
Capture":audio="AVerMedia SD Audio Cap 1 (AVerM" -vcodec rawvideo -f matroska -
And I can read
Ok. thanks guys.
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>There's hardly anything left I think you are nitpicking now.
You're right, they're nitpicking. You can play this game with them for days and
they'll always want one more thing, very few of which have any real purpose. I
wouldn't waste your time.
P
2016-04-28 23:31 GMT+02:00 Xen :
>
> All of this is unnecessary, but if it makes you happy, here you have it ;P.
I was curious about your issue, and I too was eagerly waiting for that
log. Sadly it didn't come.
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Moritz Barsnick schreef op 28-04-2016 13:20:
On Wed, Apr 27, 2016 at 20:17:56 +, Xen wrote:
> Only if you want support on this mailing list;-)
That sounds horrendous.
Why? The log contains valuable information, such as details about the
input, messages regarding what ffmpeg is doing in par
Hi,
I have a WAV mono file with about 30s of samples but when I try to
convert it to ogg it fails:
$ ffmpeg -probesize 100 -i upload.wav -vn -y -f ogg upload.ogg
ffmpeg version 2.8.6-1ubuntu2 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.3.1 (Ubuntu 5.3.1-11ubuntu1) 20160311
Hi Mortz,
I tried the following:
$ ffmpeg -i Into_Great_Darkness.mp4 -vf
"crop=w=iw/2:h=ih:x=0:y=0,scale=w=2*iw:h=ih,setdar=dar=1.777" -y
Into_Great_Darknes-2.mp4
It is still running, currently at frame=16591
But, when I try to play Into_Great_Darknes-2.mp4 (even if not finished
encoding),
Carl Eugen Hoyos ag.or.at> writes:
> There was a similar question lately but I failed now to
> find it again, it contained more information about the
> format.
Found it:
http://thread.gmane.org/gmane.comp.video.ffmpeg.libav.user/15041
Only YUV420SemiPlanar is supported.
Carl Eugen
__
Paul B Mahol gmail.com> writes:
> > nv12 tile is currently not supported.
>
> Do you have info whats missing?
There was a similar question lately but I failed now to
find it again, it contained more information about the
format.
There is this very old thread with similar info though:
http://t
Dana 28. 4. 2016. 16:26 osoba "Carl Eugen Hoyos"
napisala je:
>
> ssshukla26 gmail.com> writes:
>
> > I am working on a hardware decoder, its giving us raw video
> > output in *nv12 tile* format.
>
> nv12 tile is currently not supported.
>
Do you have info whats missing?
> Carl Eugen
>
> __
ssshukla26 gmail.com> writes:
> I am working on a hardware decoder, its giving us raw video
> output in *nv12 tile* format.
nv12 tile is currently not supported.
Carl Eugen
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You will need a raw video file of nv12 tile format ? If yes, I can provide
that.
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Is it possible to convert an RTSP (H264) stream to MPEG DASH using just
ffmpeg and dump the output into a directory served up by lighttpd rather
than having to use ffserver? Ive tried HLS but found it to be problematic
(lag, and often disconnects after a few seconds).
Thanks
Andrew
On 4/28/16, ssshukla26 wrote:
> Hi guyz,
>
> I am working on a hardware decoder, its giving us raw video output in *nv12
> tile* format. The support for this format is in gstreamer, so am able to run
> the raw video using gstreamer pipe. But I am not able to do same with ffplay
> as described belo
On Wed, Apr 27, 2016 at 20:17:56 +, Xen wrote:
> > Only if you want support on this mailing list;-)
> That sounds horrendous.
Why? The log contains valuable information, such as details about the
input, messages regarding what ffmpeg is doing in particular, warnings
and error messages. And, e.
Hi guyz,
I am working on a hardware decoder, its giving us raw video output in *nv12
tile* format. The support for this format is in gstreamer, so am able to run
the raw video using gstreamer pipe. But I am not able to do same with ffplay
as described below.
NOTE :- I get a file namely "*yuvframe
tinterlace
flags
Specify flags influencing the filter process.
Available value for flags is:
low_pass_filter, vlfp -> must be changed to vlpf
Enable vertical low-pass filtering in the filter. Vertical low-pass filteringis
required when creating an interlaced destination from a prog
Hi,
I use the following command to get source file's information:
ffprobe -print_format json -show_format -show_streams
sampleClips/sample_iTunes.mov
Below is the message that ffprobe ouputs:
ffprobe version 2.8.3 Copyright (c) 2007-2015 the FFmpeg developers
built with icc (ICC) 14.0.2 2014
On Thu, Apr 28, 2016 at 02:01:08 +, Xen wrote:
> I am no expert but this thing works:
>
> ffmpeg -i input.mp4 -f lavfi -i
> "movie=input.mp4,crop=w=iw/2:h=ih:x=0:y=0,scale=w=2*iw:h=ih,setdar=2*dar"
> -map 1:0 -map 0:1 out.mp4
Wow, that's complicated and convoluted. I only used "movie=" so I
Hello everyone,
Im Daniel and Im new to the list.
Im doing an mpeg2 ts over multicast with a Decklink SDI 4K as input.
After some random time, audio and video start desyncing. Its start just
a little bit at first for desyn start growing over time..
This is the command Im using and the initial
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