On Thu, 2 Jul 2015 15:36:43 +
"Stevens, Christoph (Christoph)"
wrote:
> I surely overlooking something
Wrong mailing list (again). Your question belongs on libav-user; not
ffmpeg-devel, not ffmpeg-user.
Please re-re-read:
http://ffmpeg.org/contact.html
__
On Tue, 30 Jun 2015 17:17:39 -0400
Jim Shupert wrote:
> here is what i settled on. it works
>
> ffplay -vf "scale=iw/2:ih/2" -i /media/data/zzz-s/NASA_logo.mov
Enhance laziness:
-vf "scale=iw/2:-1"
Also, you can remove the "-i" if you really wanted to be lazy.
On Wed, 24 Jun 2015 14:40:16 -0600
Ben Foster wrote:
> Hi,
>
> I have a series of png files that I would like to make into an mpeg movie
> that would be playable on a Mac. I am trying this w/ the following command:
> ffmpeg -f image2 -i "oplus_maps_zp1_%03d.png" -pix_fmt yuv420p file.mp4
The "
On Tue, 23 Jun 2015 21:27:19 +0200
Reindl Harald wrote:
> really and who is that "we don't" in case of a *users* list?
Developers, contributors, and other users who provide actual, useful
help.
> don#t get me wrong but "only direct FFmpeg cli tool usage" is bullshit
> when somebody wants to us
On Tue, 23 Jun 2015 17:39:40 +0530
Bhavin Prajapati wrote:
> Hello,
>
> I am trying to print ffprobe out put using php scrip but its give me
> output. I have try to run php file using php file name from server side
> then I its giving me out put fine but when I am trying from browser its
> not
On Fri, Jun 12, 2015, at 04:32 AM, Neik wrote:
> I am trying to stream combined audio and video from a Raspberry Pi.
>
> To capture video alone I use:
>
> raspivid -o - -t 0 -n -w 1280 -h 720 -fps 25 | ffmpeg -thread_queue_size
> 1024 -y -f h264 -framerate 25 -i - -vcodec copy -f mpegts
> udp:/
On Mon, 8 Jun 2015 06:57:46 + (UTC)
Carl Eugen Hoyos wrote:
> x264 does not allow encoding a height of "1" (it
> has to be even), so even if we would support
> cropping a height of "1" (it is currently forbidden),
> what would be your usecase?
It should be clarified that this depends on t
On Sun, Jun 7, 2015, at 01:57 PM, Jesper Taxbøl wrote:
>
> I have tried copying the edge pixel, but the scale filter fails when I
> try to scale to the needed size.
Please show your ffmpeg command and the complete console output.
> Is there an other way to achieve this clamp effect in a advanced
On Wed, 27 May 2015 11:36:56 +0600
"Md. Rokanuzzaman Sikder" wrote:
> Dear Concern,
> I am trying to build FFMPEG for Tizen (ARM). But failed..
What have you tried? How did it fail? What are the errors? What does
config.log show?
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On Wed, 27 May 2015 15:06:55 +0800
"Nemo" <377307...@qq.com> wrote:
> I have a funtion to turn PNG to h264, but encode function returns 0,
> what's going on?
Wrong mailing list. Try libav-user.
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On Wed, 27 May 2015 17:27:35 +0800
Antonio Zhang wrote:
> Hi,
>
> I'm just wondering if we need any license or authorization to use your
> technology for commercial purposes?
>
> Could anyone get back to me?
>
> Thanks!
>
>
> All the best,
> Antonio Zhang
Did you see this?
http://ffmpeg.org
On Mon, May 25, 2015, at 01:29 PM, Carl Eugen Hoyos wrote:
>
> This is currently being worked on as part of Google
> Summer of code:
> http://www.google-melange.com/gsoc/proposal/review/org/google/gsoc2015/lalwani1994/5629499534213120
I guess I should have paid more attention to the tasks this ye
On Mon, 25 May 2015 16:02:36 +0200
lorenzo angeli wrote:
> Hi all, I'm trying to concatenate a single image before an image sequence.
>
> My aim is to retain the first image for just one frame, and not one second
> (as I'm doing now). I've been trying all sorts of things, setting -r 25/1
> -t 1
On Mon, 25 May 2015 10:35:50 -0700
jamie wrote:
> Hi, You have to use the Advanced Substation format (*.ass) to control the
> look to that level - can't be done with just an (.srt) to the best of my
> knowledge with the current version of ffmpeg.
I believe SRT will allow you to set the text colo
On Thu, May 21, 2015, at 09:42 AM, Trenak wrote:
>
> Hello, how make FULL HD to SD quality? and how from HD to SD? Thanks
See the scale filter:
https://ffmpeg.org/ffmpeg-filters.html#scale
ffmpeg -i input -vf scale=640:-2 -c:a copy output
___
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On Tue, May 19, 2015, at 03:04 AM, meghana.rav...@amultek.com wrote:
> Hi...
>
> I need some help :)
>
> I need to merge 2 video files along with their audio in single file side
> by
> side.
>
> I am able to merge 2 video files in single file but it using audio of
> first
> video file only, w
On Tue, 12 May 2015 23:26:01 -0300
Juan Traverso wrote:
> Hi,
>
> Right now I am capturing the web cam through ffmpeg using RTSP port.
>
> Hereby command involved: $ffmpeg -f rtsp -i
> rtsp://192.168.1.99/axis-media/media.amp
> -pix_fmt yuvj420p -y
> 0001.mov
The complete console output is m
you not read any replies? If you continue to re-ask I will set your
messages to be automatically discarded.
Lou
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On Wed, 06 May 2015 21:07:28 +0200
loeff...@eyetrap.net wrote:
> ffmpeg version 1.1.4 Copyright (c) 2000-2013 the FFmpeg developers
Ancient and unsupported. Please use a build from current git master if
you want help here.
Recent static builds are acceptable:
http://johnvansickle.com/ffmpeg/
Or
On Thu, Apr 30, 2015, at 03:01 PM, loeff...@eyetrap.net wrote:
> I am trying to concat ProRes clips (no audio) into one file.
You will probably have better luck with the concat demuxer.
https://ffmpeg.org/ffmpeg-formats.html#concat-1
https://trac.ffmpeg.org/wiki/Concatenate
> ffmpeg version 1.1.
On Thu, 30 Apr 2015 18:06:03 +0800
Kai Hendry wrote:
> Wow, so you've not seen a -report like this?
> http://s.natalian.org/2015-04-30/ffmpeg-20150430-102645.log
The -report option creates an output using the "verbose" loglevel
resulting in such a large output. It is often overly verbose for
gen
On Tue, Apr 28, 2015, at 09:59 AM, Waleed Afridi wrote:
> =
> FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
Ancient and unsupported. See:
http://ffmpeg.org/download.html
You did not include your actual command. Without that information it is
impos
On Tue, Apr 28, 2015, at 11:14 AM, Waleed Afridi wrote:
> The application already work perfectly on WAMP as i install ffmepg it on
> window.
Please do not reply to another user's thread with questions involving an
unrelated topic (I am assuming you are not also Joel Lopez). This is
called "thread
On Tue, Apr 28, 2015, at 11:18 AM, Waleed Afridi wrote:
> Can you suggest me anything, From where i got help ?
ffmpeg-php, or at least the iteration you are using, is a long dead
project. You will likely not get help for that anywhere.
You need to decide if you even need a PHP wrapper for ffmpeg.
On Wed, 22 Apr 2015 08:37:24 +0200
daggs wrote:
> Greetings,
>
> I'm writing a program that needs to sample the screen in bgra format.
> the problem is what I try to read an av frame, I get this error:
> [rawvideo @ 0x1403aa0] Invalid buffer size, packet size 1228800 < expected
> frame_size 829
On Wed, Apr 15, 2015, at 04:24 PM, Ali Mohammed wrote:
> Hello,
>
> I have recently install ffmpeg version 2.3.3 from source on Redhat linux
> 6.5.I am getting the below error while trying to convert a .tif file to
> .mp4 file using the below syntax.
Why do you want to encode a single image as
On Tue, 7 Apr 2015 05:14:43 +0530
basanth alluri wrote:
> Thanks for your reply.
>
> Can i know how fate.ffmpeg.org work?
1. Go to http://fate.ffmpeg.org/
2. Search for "Android".
3. Click the link under the "Tests" column. The configure line will be
displayed. It may or nay not be of use fo
On Mon, 6 Apr 2015 21:13:25 +0100
JULIAN GARDNER wrote:
> Has anybody any code that will split an audio buffer so that the
> packet passed to the codec is of the right size.
Why do you not ask these type of questions on the libav-user mailing
list? That is the list for FFmpeg library usage quest
On Mon, 6 Apr 2015 15:30:26 +0530
basanth alluri wrote:
> Hi Team,
>
> I am getting below error while executing the ./build_android.sh in cygwin
build_android.sh is not a part of the FFmpeg source, so is not
supported here.
I don't know much about Android or Cygwin, but you can see some
config
On Wed, 01 Apr 2015 23:45:08 +0200
Christoph Gerstbauer wrote:
> You have to know that I am not a programmer or a compiler. I am just a
> user of ffmpeg and mostly I use zeranoe windows builds and sometimes,
> like in this current case, a own compiled version of a collegue who is
> able to com
On Sun, Mar 29, 2015, at 07:52 AM, Ran Shalit wrote:
> Hello,
>
> I'm new in using ffmpeg.
> Is there an example for using ffmpeg over ethernet ?
Please be more specific, or else you may get answers like these:
ffmpeg -i http://192.168.1.101/input output
sshfs user@server:path/to/dir localdir
f
On Sat, Mar 28, 2015, at 03:13 PM, Eric Gunther wrote:
>
> Unfortunately that does not seem to jive with what I am seeing, I did
> notice that message, and thought about it.
[...]
> Trying a number of different techniques to get the video to play. I am using
> current or near to current IE on curre
On Sat, Mar 28, 2015, at 02:21 PM, Tim Hiles wrote:
> try
>
> ffmpeg -i screencap_12-27-14-0250.avi -c:v libx264 -qscale:v 22
> -async
> 1 -c:a aac -strict experimental -movflags +faststart krill_screencap.mp4
>
> and see if that works.
The input has no audio, and why suggest '-async 1'? Al
On Tue, 3 Mar 2015 11:51:21 -0400
Yannick Morin wrote:
> Hi,
>
> I'm looking for a solution or hack for the following issue when creating a
> slideshow with images from different size:
There's a lot of extra stuff in your command. Please provide the most
simple command that still shows the issu
On Mon, 23 Feb 2015 11:13:59 +1100
Denis Pozharskiy wrote:
> Hi,
>
> I got the mistake described below when try to configure the latest version
> of ffmpeg on my MacBook Pro (Yosemite 10.10.2 (14C109))
...
> yasm/nasm not found or too old. Use --disable-yasm for a crippled build.
Did you instal
On Thu, 19 Feb 2015 13:21:03 +
Matt Conway wrote:
> pi@raspberrypi /usr/src/ffmpeg $ ffmpeg -i rtsp://
> root:FishAxisFood12@192.168.0.4/axis-media/media.amp -an -r 30 -f flv
> rtmp://ustreamurl
Are you intending to re-encode? Do you not want to stream copy instead?
http://ffmpeg.org/ffmpeg.
On Fri, 6 Feb 2015 13:10:01 -0800 (PST)
thibault75 wrote:
> ffmpeg version 0.8.16-6:0.8.16-1, Copyright (c) 2000-2014 the Libav developers
This is not ffmpeg from FFmpeg, but a so-called "ffmpeg" from Libav, a
fork of FFmpeg. Also, note that "libav" was always used by FFmpeg as a
shorthand name
On Thu, 29 Jan 2015 12:30:50 -0700
Roger Pack wrote:
> though I'll adming libx264 with its fast mode is actually pretty fast,
> though lossy
libx264rgb -qp 0 -preset ultrafast
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On Tue, 27 Jan 2015 15:46:46 +
Esnault Jean-Manuel wrote:
> Hello All,
>
> I'm looking for help.
>
> I have a set of QT files with 4 audio mono chanels (uncompressed 48kHz).
> I need to turn these files into 4 discrete audio chanels.
>
> This can be done manually into QT7 (but it's quite l
On Sun, Jan 25, 2015, at 04:22 PM, jd1008 wrote:
> I tried
> $ ffmpeg -i :0 -vcodec webm -b:v 5000 -b:r 10 -g 300 -s 1920x1080
> /tmp/x11.webm
This is probably not a valid command. See:
https://ffmpeg.org/ffmpeg-devices.html#x11grab
> ffmpeg version N-51556-ge278500 Copyright (c) 2000-2013 the F
On Sun, Jan 25, 2015, at 06:20 PM, Dani A wrote:
> Guys,
>
> I am trying to install FFMPEG-php 0.6.0 on my server
ffmpeg-php is a dead project and it is not part of FFmpeg; therefore we
can't provide support for it.
> how can I install the FFMPEG on my server from your site
If your distributio
On Mon, 19 Jan 2015 21:26:54 -0800
"Gary Cattelino" wrote:
> I'm using the latest windows ffmpeg build. To change interlaced MPEG-2
> video from a mkv to mp4 container, the command I'm using is "ffmpeg -i
> input.mkv -vcodec copy -acodec copy out.mp4". I'm concerned that the
> out.mp4 file has a
On Sun, 25 Jan 2015 14:41:42 +
Eng.Hany Ahmed wrote:
> helloi want make remark text or logo in the video when i transcoding
> any one have idea how i can do this please
Sorry, but I don't understand what you mean by "remark". Can you
explain in more detail what you want to do? I'm guessing
On Wed, Jan 14, 2015, at 11:05 PM, Green Koopa wrote:
> -q did set the jpeg compression level, making it consistent across
> frames.
> (It had no affect on the png compression level.) Thanks for the tips Lou.
For PNG you can use -compression_level. Range is 0-100. Default is 100
On Mon, 12 Jan 2015 09:08:20 -0900
Lou wrote:
> It's a linear scale of 1-31.
...for most FFmpeg M(J)PEG* encoders.
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On Sat, 10 Jan 2015 23:21:42 -0800
Green Koopa wrote:
> This creates one image for each second of video:
> ffmpeg -i 00020.MTS -vf fps=fps=1 -f image2 stills-%03d.png
>
> When I change the output format to jpeg, it does the same:
> ffmpeg -i 00020.MTS -vf fps=fps=1 -f image2 stills-%03d.jpeg
> B
On Mon, 12 Jan 2015 08:53:29 -0800 (PST)
inge wrote:
> Everything seems to be working fine, except the output is a video that only
> shows black, for the amount of time that has been encoded.
I'm guessing you're playing it with QuickTime?
> Does anyone have an idea what the problem might be?
>
On Fri, 09 Jan 2015 10:25:27 +0100
c...@kruemel.org wrote:
> Is there, by the way, any option to see from an h.264 movie to see which
> settings (CRF, preset, etc.) were used originally to create it (e.g. by
> the TV station)?
Why do you want this information?
$ strings input.mp4 | grep x264
_
On Sat, 10 Jan 2015 11:37:00 -0500
Cliff R Wong wrote:
> Hi. I am extracting the audio from a video file to a wav format
>
> ffmpeg -i {0} -ar 8000 -ac 1 -acodec pcm_s16le {1}.wav
>
> where {0} is the input file and {1} is the output filename.
>
> However, the last 3 minutes of the video has
On Tue, Jan 6, 2015, at 09:09 PM, c...@kruemel.org wrote:
> Sorry, I don't get the question. Does that sound a stupid idea?
If you want to compare then you should use the same, original source for
each encoder. As far as I can tell you're making your H.265 video from
your H.264 video which introdu
On Tue, 06 Jan 2015 22:44:11 +0100
c...@kruemel.org wrote:
> Hi, I'm testing converting my h.264 movies to h.265 using ffmpeg (2.5.2
> 64-bit static):
Why?
> ffmpeg -i "${TARGET}" -c:a copy -c:v libx265 -preset slow -x265-params
> crf=24 -strict experimental "${TARGET}.mp4"
You should always
On Wed, 24 Dec 2014 15:11:53 +0200
Vladimir Bilichenko wrote:
> Do you have any ideas how I can solve my problem?
You have to add an audio source. Otherwise where would the audio come
from? One method:
"aevalsrc=0|0:d=18.2[a0];[0:v][a0][1:v][1:a][2:v][2:a]concat=n=3:v=1:a=1"
See http://ffmpeg.
On Sat, Dec 20, 2014, at 03:55 PM, Matt Krass wrote:
> If I run the exact same command in the 1280x720 directory, I get a 2.8MB mp4
> file that will only play in VLC and throws errors in Quicktime. Can
> someone explain to me why this is and what I am doing wrong? (I assume
> it’s my fault!)
I hav
On Tue, 16 Dec 2014 14:33:42 +
david reid wrote:
> I have a video that I want parts to play in real time but the majority will
> be sped up to play as a time lapse at 25x. I can get the various pieces but
> would like to have a smoother interface between the 2 speeds, so is there a
> way of t
On Thu, 18 Dec 2014 00:45:39 -
"FRED COLLEY" wrote:
> Hi Every time i try and open my VIDEO’S Windows explorer closes it
> again
Did you use ffmpeg to create these videos? How is ffmpeg involved?
> now I have a message come up that it is the ffmpeg that is causing the
> problem and to conta
On Fri, 12 Dec 2014 15:04:42 +
Kevin Wells wrote:
> And also what do you mean, "Please do not highjack mailing list
> threads, this is highly discouraged." ? Cheers.
It means to reply to an arbitrary message and change the subject.
However, some headers related to t
On Sun, Nov 30, 2014, at 06:31 AM, kranthi kumar wrote:
> Hi,
> This is very Important to me, for playing or receiving live streaming
> videos from YouTube .So,please tell me How to play YouTube videos using
> FFplay.
> I would also like to know how to re-stream Video to local servers from
> YouTu
On Mon, 24 Nov 2014 17:04:24 +0100
Alfredo Di Napoli wrote:
> Hello everyone,
>
> and sorry if the title is convoluted, I couldn't find a better one. What
> I'm trying to accomplish is simple, in practice: Assume I have three files:
> - Left_Audio.mp3
> - Right_Audio.mp3
> - Video.mov
>
> (Exte
On Wed, 19 Nov 2014 08:17:19 + (UTC)
Thanos Natsiopoulos wrote:
> May I please have a simple guide for a begginer user on how to install
Simplest method is to download, extract, and execute a static build:
Linux: http://johnvansickle.com/ffmpeg/
Windows: http://ffmpeg.zeranoe.com/builds/
__
On Wed, 19 Nov 2014 02:53:34 -0800 (PST)
paynito wrote:
> bash //
> brew install ffmpeg // seems to work
> cd folder with wmas
> for f in *.wma; do ffmpeg -y -i "$f" -c:a libfdk_aac -b:a 192k
> "${f%.wma}.m4a"; done;
> // try a script
> -> error Unknown encoder 'libfdk_aac'
>
>
> any ide
On Tue, 4 Nov 2014 15:51:05 -0900
Lou wrote:
> Your ffmpeg command and the complete console output are missing.
>
> Does this also occur if you use lame?
I forgot to mention:
2. Why does LAME add silence to the beginning each song?
http://lame.sourceforge.net/tec
On Tue, 4 Nov 2014 13:09:10 -0500
Reid Oda wrote:
> Hi list,
>
> I'm doing audio/video analysis on videos downloaded from youtube. As part
> of the process, I need to extract the audio to a form that can be opened by
> my audio analysis software. I've been using mp3, but I recently discovered
>
On Wed, 22 Oct 2014 17:44:40 -0300
Ítalo de Pontes Oliveira wrote:
> [image: Imagem inline 2]
Screenshots of console outputs are unnecessary. The actual content as
text is more useful, is smaller in file size, is easier to copy, and is
searchable.
> /tmp/ffconf.fXcZCLwZ.c:2:18: fatal error: f
On Tue, 30 Sep 2014 18:35:53 +0200
skyscan...@gmx.ca wrote:
> On Tue, 30 Sep 2014 16:13:20 +0200, barsn...@gmx.net wrote:
>
> > See my other response from a few minutes ago:
> > Something like
> > pan=5.1:FL=c0+c4:FR=c1+c5:BL=c4:BR=c5:FC=c7
> > or whatever you think is correct. You may have to t
On Mon, 22 Sep 2014 20:25:46 +0200
Reindl Harald wrote:
> can somebody unsubscribe that fool?
>
> use "X-Mailer: Apple Mail (2.1283)" as vacation
> responder and subscribe to mailing-lists needs
> no further discussion
Done, although I'll have to take your word for it. I did not receive
such me
On Mon, Sep 8, 2014, at 12:04 PM, Harold Goranson wrote:
> I wish to recode them as modern mp4 to 300p high and as wide as required
> to maintain correct aspect ratio, rounded to the nearest 2p. No sound,
> but all other qualities the same.
You can use the scale filter:
-vf scale=300:-2
https:
On Wed, 3 Sep 2014 13:54:11 -0700 (PDT)
ifightnoman wrote:
> I have a large (1 GB) m4v file that ffmpeg is unable to decode.
> I am trying to generate a thumbnail from this file but hit the error
> message:
>
> [buffer @ 027fd600] Unable to parse option value "-1" as pixel format
> Last mess
On Tue, 2 Sep 2014 11:54:49 -0700 (PDT)
gfmonk wrote:
> I am using Qucktime to test but they need to play using jwplayer on a web
> page.
Using the output width from your command:
-vf scale=400:-2,format=yuv420p -movflags +faststart
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On Thu, Aug 28, 2014, at 08:17 PM, Ehren Addis wrote:
> I'm trying to put a png sequence with an embeded alpha over a still
> image with burned in timecode. The following has been had from
> everything I see on the web (with the exception of using -shortest that
> never worked). This renders,
On Thu, 28 Aug 2014 01:43:19 +0100
"C E Macfarlane" wrote:
> BTW, you or may or may not be interested to know that since subscribing to
> this and the libav-user list, I've been receiving phishing spam.
Can you forward one of these spams to lou at lrcd.com? Do you believ
On Mon, 25 Aug 2014 12:04:37 +0530
Shatrughna Pandey wrote:
> sir,
>
> i have searched the web through out .But couldn't find a FFmpeg command to
> "steam a video at rtmp url at specific frame rate and resolution ". can any
> one send me such a command .
> thanx in advance for any help.
ffm
On Mon, 25 Aug 2014 15:31:06 +0800
Qianliang Zhang wrote:
> May just use boxblur. Because I don not want to make a gradient for every
> different size.
Should be a trivial task if you script it with ffprobe to get the input
frame size: https://trac.ffmpeg.org/wiki/FFprobeTips
Or provide a patch
On Fri, 22 Aug 2014 17:42:01 +0800
Qianliang Zhang wrote:
> Hi everyone,
>
> I try blur video with 'boxblur' filter, and I find it helpful. But I want
> to blur my video with a gradient, any advice?
Make a gradient that is the same size as your input video:
$ convert -size 640x480 gradient: gr
On Fri, 8 Aug 2014 10:01:42 -0700 (PDT)
hirokku wrote:
> I need to show the text in two separate lines, how can i do this?
You can use two drawtext filters:
-vf drawtext,drawtext
Of course you will have to provide the necessary options to get exactly
what you want.
Alternatively your could p
On Wed, 30 Jul 2014 07:17:40 -0700 (PDT)
ac83 wrote:
> Hello, We're testing out some transcoding using filter_complex, but can't
> seem to produce video that both starts on an I-frame and starts at the same
> time as the audio. In the past we've just done -ss x -i ... -t y and things
> have worke
On Sun, 27 Jul 2014 19:23:45 +0100
Christian Ebert wrote:
> * Carl Eugen Hoyos on Monday, July 21, 2014 at 15:01:08 +
> >
> > FFmpeg contains a native opus decoder, libopus is not
> > needed.
>
> Then the fine new website is not up to speed:
> https://www.ffmpeg.org/ffmpeg-codecs.html#libo
On Wed, 16 Jul 2014 01:44:42 -0400 (EDT)
Luke Davis wrote:
> On the page:
>
> https://trac.ffmpeg.org/wiki/Encode/H.264
>
> It states:
>
> You can see a list of current presets with -preset help, and what settings
> they
> apply with x264 --fullhelp.
Try:
ffmpeg -f lavfi -i nullsrc -c:v lib
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