On 26-04-2020 10:51 am, John Hawkinson wrote:
I wanted to execute zoom-and-pan out over a few seconds by parametrizing the
width and height of the crop filter via sendcmd (the result of which would then
be handed to a scale filter), and when I try to do this, I get errors that I
don't
On 26-04-2020 06:07 pm, John Hawkinson wrote:
Gyan Doshi wrote on Sun, 26 Apr 2020
at 02:03:23 EDT in <76dff16c-331a-534c-fe28-558dae8a8...@gyani.pro>:
The temporal parameters t, n and pos are only applicable for x and y
expressions. At present, the only way to vary w and h ove
On 29-04-2020 11:53 pm, Cemal Direk wrote:
Hi, i wanna set preview of any video? like thumbnail.
is ffmpeg supporting this property?
i am using this code its other method...
ffmpeg -i video.mp4 -i image.png -map 0 -map 1 -c copy -c:v:1 png
-disposition:v:1 attached_pic -y out.mp4
but i
On 30-04-2020 12:09 pm, Michael Koch wrote:
Am 30.04.2020 um 06:33 schrieb Gyan Doshi:
Basic syntax is
|ffmpeg -i file.mp4 -ss 15 -i file.mp4 -map 1:v:0 -map 0 \
-filter:v:0 scale=320:-1,trim=end_frame=1 -c copy -c:v:0 mjpeg
-disposition:0 attached_pic out.mp4|
What's the meaning
On 24-03-2020 01:20 am, Michael Koch wrote:
There is a small typo in vf_hue.c line 139. It's only a comment. The
range must be [16;240].
Patch welcome. I can make the change if you don't want to.
Gyan
___
ffmpeg-user mailing list
On 24-03-2020 01:38 am, Michael Koch wrote:
Am 23.03.2020 um 21:03 schrieb Gyan Doshi:
On 24-03-2020 01:20 am, Michael Koch wrote:
There is a small typo in vf_hue.c line 139. It's only a comment. The
range must be [16;240].
Patch welcome. I can make the change if you don't want
On 04-09-2020 02:19 am, Mark Filipak wrote:
On 09/03/2020 01:42 AM, Gyan Doshi wrote:
On 02-09-2020 11:53 pm, Michael Koch wrote:
"ffmpeg.zeranoe.com will close on Sep 18, 2020, and all builds will
be removed."
Any idea where we can get builds for Windows after this date
On 14-09-2020 02:47 pm, Michael Koch wrote:
ffmpeg -v verbose -f lavfi -i testsrc2=s=svga:d=5,format=yuv422p10le
-vf format=rgb48le,lut3d="VLog_to_V709.cube",format=yuv422p10le
-noauto_conversion_filters -pix_fmt yuv422p10le -c:v h264 -y out.mov
Format conversion is carried out by
On 14-09-2020 01:15 pm, Bouke wrote:
On 09 Sep 2020, at 10:33, christian.w...@4-real.com wrote:
Hi list!
Can somebody help to measure LUFS for audio files under 0,4 seconds???
Cat it a couple of times first?
A few more times is required. Total duration should be >3 seconds.
See
On 14-09-2020 04:54 pm, Gyan Doshi wrote:
On 14-09-2020 03:41 pm, Michael Koch wrote:
Am 14.09.2020 um 11:26 schrieb Gyan Doshi:
On 14-09-2020 02:47 pm, Michael Koch wrote:
ffmpeg -v verbose -f lavfi -i
testsrc2=s=svga:d=5,format=yuv422p10le -vf
format=rgb48le,lut3d="VLog_to_V709
On 14-09-2020 03:41 pm, Michael Koch wrote:
Am 14.09.2020 um 11:26 schrieb Gyan Doshi:
On 14-09-2020 02:47 pm, Michael Koch wrote:
ffmpeg -v verbose -f lavfi -i testsrc2=s=svga:d=5,format=yuv422p10le
-vf format=rgb48le,lut3d="VLog_to_V709.cube",format=y
On 02-09-2020 11:53 pm, Michael Koch wrote:
"ffmpeg.zeranoe.com will close on Sep 18, 2020, and all builds will be
removed."
Any idea where we can get builds for Windows after this date?
I plan to provide 64-bit static builds starting the 18th. Will update
doc with link once I make
On 21-08-2020 07:12 pm, Mark Filipak wrote:
On 08/21/2020 06:44 AM, Gyan Doshi wrote:
On 21-08-2020 04:03 pm, Michael Koch wrote:
Am 21.08.2020 um 12:09 schrieb Gyan Doshi:
On 21-08-2020 02:36 pm, Michael Koch wrote:
Am 21.08.2020 um 10:50 schrieb Paul B Mahol:
On 8/21/20, Michael
On 21-08-2020 02:36 pm, Michael Koch wrote:
Am 21.08.2020 um 10:50 schrieb Paul B Mahol:
On 8/21/20, Michael Koch wrote:
Please add this to the documentation (for example in chapter 20.9
image2)
FFmpeg supports the following image formats: BMP, DNG, GIF, JPG, PAM,
PGM (binary P5 files are
On 21-08-2020 04:03 pm, Michael Koch wrote:
Am 21.08.2020 um 12:09 schrieb Gyan Doshi:
On 21-08-2020 02:36 pm, Michael Koch wrote:
Am 21.08.2020 um 10:50 schrieb Paul B Mahol:
On 8/21/20, Michael Koch wrote:
Please add this to the documentation (for example in chapter 20.9
image2
On 21-08-2020 07:30 pm, Michael Koch wrote:
Am 21.08.2020 um 15:42 schrieb Mark Filipak:
On 08/21/2020 06:44 AM, Gyan Doshi wrote:
On 21-08-2020 04:03 pm, Michael Koch wrote:
Am 21.08.2020 um 12:09 schrieb Gyan Doshi:
On 21-08-2020 02:36 pm, Michael Koch wrote:
Am 21.08.2020 um 10:50
On 21-08-2020 11:27 pm, Mark Filipak wrote:
On 08/21/2020 12:34 PM, Michael Koch wrote:
Am 21.08.2020 um 17:06 schrieb Gyan Doshi:
On 21-08-2020 07:30 pm, Michael Koch wrote:
Am 21.08.2020 um 15:42 schrieb Mark Filipak:
On 08/21/2020 06:44 AM, Gyan Doshi wrote:
On 21-08-2020 04:03 pm
On 23-08-2020 11:07 am, Hans Carlson wrote:
On Sat, 22 Aug 2020, Carl Zwanzig wrote:
On 8/22/2020 2:03 AM, Nicolas George wrote:
There is no duplication, only multiple outputs. Would you also
remove the man pages because they are "duplicate" of the HTML pages?
Multiple outputs is not
On 27-08-2020 05:26 pm, scrutinizer wrote:
The example reads as follows:
ffmpeg -i multichannel.mxf -map 0:v:0 -map 0:a:0 -map 0:a:0 -c:a:0 ac3 -b:a:0
640k -ac:a:1 2 -c:a:1 aac -b:2 128k out.mp4
In the above example, a multichannel audio stream is mapped twice for
output. The
On 30-08-2020 06:52 pm, Dennis Mungai wrote:
Hello there,
With mpegts output, should global headers be used or not, set via -fflags
+global_header?
No.
And if there are exceptions to that, based on the codec type wrapped in
mpegts, when should global headers be used for mpegts?
Global
On 28-09-2020 06:01 pm, Stub via ffmpeg-user wrote:
On Monday, September 28, 2020, 09:35:28 AM GMT+9, Carl Zwanzig
wrote:
On 9/27/2020 5:27 PM, James Darnley wrote:
Please do not top post.
And the formatting makes the ffprobe output difficult to read. If you (the
OP) is posting in HTML,
On 03-10-2020 11:22 am, 桃源老師 wrote:
Hello,
I pulled current git head 45070eec4c089b06947f07e25cdb1bc8b2102553, and do configure,
then encountered configure error, Unknown Option "--enable-libwavpack".
With git log command, it seems that libwavpack was removed. Is it true?
Yes. ffmpeg has
On 25-10-2020 08:56 pm, Michael Koch wrote:
Am 25.10.2020 um 16:23 schrieb Simon Roberts:
Greetings all,
I have just noticed that some of my video recordings have a few random
black frames in them. These will be spaced out a few minutes, don't
seem to
have any obvious cause (though my
On 28-10-2020 12:21 am, Michael Koch wrote:
Hello,
I'm testing this command line which is copied from the documentation:
https://www.ffmpeg.org/ffmpeg-all.html#zmq_002c-azmq
ffplay -dumpgraph 1 -f lavfi
On 09-07-2020 02:50 pm, François-Marie BILLARD wrote:
Hello,
i'm new on this list and would use ffmpeg for making a video from
pictures.
I have used this command line; with 54 pictures from DSC_0527.JPG :
ffmpeg -f image2 -i DSC_05%2d.JPG -start_number 0527 -r 12 -vcodec
mpeg4 -b 15000k
On 03-07-2020 12:53 am, Leonardo via ffmpeg-user wrote:
Hello,
considering the TRIM filter, is it possible to use format HH:MM:SS or only in
seconds?
Both. With 'HH:MM:SS', the colons will need to be escaped.
Gyan
___
ffmpeg-user mailing list
On 10-07-2020 01:01 am, Leonardo via ffmpeg-user wrote:
$ ffmpeg -i video.mp4 -vf "trim=start=7:end=1173,setpts=PTS-STARTPTS" -af
"atrim=start=7:end=1173,asetpts=PTS-STARTPTS" part1.mp4
$ ffmpeg -i video.mp4 -vf "trim=start=1260:end=1430,setpts=PTS-STARTPTS" -af
On 16-06-2020 02:15 pm, Kieran O Leary wrote:
On Tue, Jun 16, 2020 at 9:40 AM Kieran O Leary
wrote:
OK, so I figured out that the dts needs to be divided by
pkt_duration_time, which in this instance was 3600. Not sure how to get
that aside from using ffprobe as I don't see it listed in the
On 26-06-2020 02:08 pm, Moritz Barsnick wrote:
You could try to observe at which point ffmpeg detects the first errors
(the showinfo filter will indicate the byte position ffmpeg is
operating on), and from there remove blocks of 512, 1024, 2048 bytes,
hoping that after removal of some of them,
On 16-06-2020 03:26 pm, Kieran O Leary wrote:
Hi,
On Thu, Jun 11, 2020 at 6:38 PM Jim Shupert
wrote:
Friends
This is a rather general Q
when I see dialogue such as
[matroska,webm @ 0x7f362c000b80] Read error at pos. 59270674468
(0xdccceb824)
as in
Input #0, matroska,webm, from 'pipe:':
On 15-06-2020 07:38 am, Peter wrote:
Hello,
I'm trying to create a video from a series of PNG frames and then loop
specific frames using the loop filter. It is giving me a bit of trouble.
Ffmpeg is dropping a single frame somewhere and I'm not sure why that is.
Would appreciate it if someone
On 25-06-2020 05:17 pm, Louis Geuten wrote:
Hello,
It seems that using the argument "-flags +global_header" with the bitstream
filter "dump_extra" fixes the issue.
Why this isn't needed when directly muxing with ISMV instead of fifo is
beyond me.
Each muxer has a list of flags; those
On 10-06-2020 10:35 pm, Ming Tu wrote:
I solved it by ffmpeg -i no_streamable.mp4 -movflags faststart -f mp4 -y
streamable.mp4 according to
https://github.com/fluent-ffmpeg/node-fluent-ffmpeg/issues/823
Thanks all for the suggestions!
You'll usually want to add -c copy to avoid
On 14-06-2020 02:08 pm, drramimagdi wrote:
this works which is great
ffmpeg -v error -stats -y -i input -vf lut3d="/3DLUTs/001.3DL" output
but this does not
ffmpeg -v error -stats -y -i input -vf lut3d="*d:*/3DLUTs/001.3DL" output
this is the error
[lut3d @ 00cc80ee8080] [Eval @
that these requirements may mean there is no easy way to satisfy
them using FFmpeg.
In my experience, Gyan Doshi, who answered your question on Stack
Exchange, knows a lot about FFmpeg and is very willing to help. If
Gyan says that avoiding re-encoding the video is "not trivial", then
that likely mean
On 26-12-2020 05:12 am, Dan Bridges wrote:
I build FFMPEG under Win10 using media-autobuild_suite
(https://github.com/m-ab-s/media-autobuild_suite)
https://github.com/m-ab-s/media-autobuild_suite
Is it possible to decipher the version number:
ffmpeg version
On 02-12-2020 11:33 pm, Greg Oliver wrote:
...
been on this list long, but I can say that the strife of people looking for
non-existent windows binaries is frequent even though we know there are a
few shared library build as well as (at least one I know of) static build
with no dependencies.
On 24-12-2020 02:33 pm, Mark Filipak (ffmpeg) wrote:
Here:
https://github.com/BtbN/FFmpeg-Builds/releases
are these:
ffmpeg-N-100459-ga7f9b3b954-win64-gpl-shared-vulkan.zip
ffmpeg-N-100459-ga7f9b3b954-win64-gpl-shared.zip
ffmpeg-N-100459-ga7f9b3b954-win64-gpl-vulkan.zip
On 20-11-2020 01:41 pm, RAPPAZ Francois via ffmpeg-user wrote:
Am 20.11.2020 um 07:27 schrieb RAPPAZ Francois via ffmpeg-user:
Am 19.11.2020 um 16:37 schrieb RAPPAZ Francois via ffmpeg-user:
Hi
I tried the fading between pictures and cropping to there original
size (5152 x 3864), so that
On 18-11-2020 11:58 pm, ROBINSON Stuart wrote:
I am testing cropping video using the bitstream filter shown in the following
command:
C:\ffmpeg-2020-11-18-git-e3081d6f4f-full_build\bin>ffplay.exe "Input.mp4" -codec:v copy
-an -bsf:v h264_metadata=crop_top=128 "output_cropped.mp4"
ffplay
On 05-11-2020 02:02 am, seb seb wrote:
Sorry
The complete command and the output
ffmpeg -i udp://239.100.0.1:1234 -start_number 40110891900 %d.pgm
ffmpeg version 4.1.6-1~deb10u1 Copyright (c) 2000-2020 the FFmpeg
developers
built with gcc 8 (Debian 8.3.0-6)
configuration:
On 25-12-2020 10:05 am, Mark Filipak (ffmpeg) wrote:
Never mind. I figured it out based on the sizes of the 'exe' files.
I downloaded 'ffmpeg-N-100461-gb0a882cc93-win64-gpl-vulkan.zip'.
On 12/24/2020 06:23 AM, Gyan Doshi wrote:
On 24-12-2020 02:33 pm, Mark Filipak (ffmpeg) wrote
On 08-01-2021 06:37, Bernhard Döbler wrote:
Hi,
I saw, today, FFMpeg, finally, allows for embedding a single image as
cover image into an .M4A file using the "-disposition:v:1
attached_pic" argument as explained in an answer on StackOverflow:
https://stackoverflow.com/a/61015965/577052
On 09-01-2021 08:06 am, Bernhard Döbler wrote:
Am 08.01.2021 um 05:18 schrieb Gyan Doshi:
On 08-01-2021 06:37, Bernhard Döbler wrote:
I have video files. I want to extract the audio and use one single
frame from the video track as cover image.
The command line looks like this
ffmpeg.exe
On 11-01-2021 10:34 am, Carl Zwanzig wrote:
On 1/10/2021 4:23 PM, Carl Eugen Hoyos wrote:
Am Mo., 11. Jan. 2021 um 01:19 Uhr schrieb Rishit Temp
:
I am trying to read an incomplete MP4 file as it is being written in
real time.
This is in general impossible with FFmpeg.
I'm not sure
On 23-01-2021 03:27 pm, marcus.fe...@gmx.net wrote:
Switching the order of the outputs didn't make a difference.
I'm aware of the progress option and I used it already in a non-muxer scenario,
so piping works on Win as well.
However, I can't figure out the right syntax for applying the
On 19-01-2021 10:38 pm, Reed Crowe wrote:
Still does not work.
With this command:
ffmpeg -i /home/rcrowe/LVT/17647_20210118_195325.mp4 -i
/home/rcrowe/LVT/test.mp4 -enc_time_base -1 -filter_complex psnr -f null -
I get the same results:
ffmpeg version N-100671-gc48110a4a4 Copyright (c)
On 19-01-2021 05:49 am, Reed Crowe wrote:
I have tried this test with three different versions of ffmpeg (4.3.1,
3.4.8 and N-100671-gc48110a4a4 on 2 different OSes (Ubuntu 18.04, Fedora
33).
Here is the command I am using:
ffmpeg -i 17647_20210118_195325.mp4 -i test.mp4 -filter_complex psnr
On 23-01-2021 11:52 pm, Carl Eugen Hoyos wrote:
Am Sa., 23. Jan. 2021 um 19:19 Uhr schrieb Wolfgang Hugemann :
I have a vfr mp4 video from a private security cam with a very specific
pts pattern. The duration of the frames is
80-80-40-80-80-40-80-80-40-... ms.
I would like to hand this video
On 24-01-2021 10:44 pm, Wolfgang Hugemann wrote:
Use -vsync 0. No addiitional frames should be added.
Well, this is true, but the video is switched to cfr. As I said, I tried
this too. And usin mkv or webm instead of mp4 make no difference.
Why do you believe the result is CFR, or rather
On 2021-06-19 18:22, ibur...@compuscience.com wrote:
I'm having problems with transitions. To be sure I am not making something
wrong, I simply copy/paste the example shown in
https://ffmpeg.org/ffmpeg-filters.html#xfade, adjusted my two video file
names to comply with the example, and got
On 2021-05-28 21:19, Michael Koch wrote:
Am 28.05.2021 um 17:18 schrieb Carl Eugen Hoyos:
This is (nearly) completely wrong:
9 is still high quality, highest compression happens at a much higher
value.
Old MEncoder documentation recommends not use a value lower than 2,
sane values start
On 2021-06-27 11:43, Eduard B wrote:
Hi list,
I am using ffmpeg to convert a large set of timelapse still frames (JPGs)
captured by my surveillance camera to a video. Using x265 library to make
the file smaller. The particular batch I have tested has 14401 JPG files in
a folder (one image
On 2021-07-09 12:07, Michael Koch wrote:
Hello,
I want to overlay an animated gif over a video. The gif must be looped
because it's much shorter than the video. I did try the "-loop 1"
option, but I get the error message "Option loop not found". However,
the loop option works fine for jpg
On 2021-04-24 16:56, Bouke wrote:
trying to capture and burn in TC at the same time.
Burn in TC works if I specify the start TC, but I can’t probe and then record,
as that takes time so the TC will be off.
So I’m hoping to set the drawtext filter on the fly, I tried:
On 2021-04-26 22:20, Alexander Solonsky via ffmpeg-user wrote:
Dear peers,
I use this command to create 2 streams out of 1 with different gop sizes:
ffmpeg -i $1 -map 0:v:0 -c:v:0 libx264 -x264-params
"keyint=24:keyint_min=24:bframes=1" -map 0:v:0 -c:v:1 libx264
-x264-params
On 2021-05-02 15:20, Bouke wrote:
On 2 May 2021, at 11:02, Marton Balint wrote:
On Sun, 2 May 2021, Bouke wrote:
From the manual:
'timestamp_align
Capture start time alignment in seconds. If set to nonzero, input frames are
dropped till the system timestamp aligns with configured value
On 2021-03-24 16:29, Moritz Barsnick wrote:
On Wed, Mar 24, 2021 at 10:18:55 +0100, Peter White wrote:
[AVFilterGraph @ 025772b53dc0] Error initializing filter 'mix' with args
'nb_inputs=2:weights=3 2'
Error initializing complex filters.
Option not found
There seems to be an error in
On 2021-03-30 20:44, Daniel Oberhoff via ffmpeg-user wrote:
Hello
I am trying to add an authorization header to a http post output, but somehow
cant seem to succeed.
my request looks like this:
ffmpeg -f lavfi -i testsrc=duration=10:size=1280x720:rate=30 -vframes 1 -headers
On 2021-03-11 08:00, Barry Smith wrote:
I need to recode some rips that I made from a DVD collection. I want
to use a different set of options to make my rips smalled. I am not
looking to distribute torrents or put my legal rips anywhere except on
a USB flash drive.
So, after searching the
On 2021-03-16 07:21, roninpawn wrote:
I develop a Python application used to conduct official timing for
speedrunning leaderboards based on automated video analysis. And I've
caught a little oversight of my own that leads me to wonder if there isn't
an oversight at the core of ffmpeg in the
On 27-02-2021 06:54 am, Mark Filipak (ffmpeg) wrote:
'ffmpeg -i input.mkv -vf "showinfo" -codec:a copy -codec:s copy -dn
output.mkv'
[Parsed_showinfo_0 @ 013c877124c0] n: 1 pts: 33
pts_time:0.033 pos: 10052 fmt:yuv420p sar:32/27 s:240x236 i:P
iskey:0 type:B
On 23-02-2021 12:40 pm, Mark Filipak (ffmpeg) wrote:
On 2021-02-23 01:38, Carl Zwanzig wrote:
You missed mentioning the program clock reference (PCR) of the -ts.
-And- many references to PTS directly say that it's contained in a
-ts (which if the -ts contains a -ps, is correct).
The
On 2021-04-20 21:52, Bryce Newman wrote:
Hi,
Using the latest ffprobe version 4.4 I am trying to print the poster time from
the mvhd. Here is the data structure
On 2021-04-20 22:39, Bryce Newman wrote:
Hi Gyan,
Thank you!
Can this patch be included in future stable versions of ffprobe?
All features added to the master branch will make it to a future release.
Gyan
___
ffmpeg-user mailing list
On 2021-04-21 00:50, Mohammed Bey Ahmed Khernache wrote:
Hello,
would you tell me whether it is possible to log the number of cycles needed
to decode every single frame using ffmpeg ?
The closest you can get is by adding `-benchmark_all`. The timings are
in microseconds.
Regards,
Gyan
On 2021-04-23 11:37, Michael Koch wrote:
Am 22.04.2021 um 23:27 schrieb Ulf Zibis:
Am 22.04.21 um 13:01 schrieb Michael Koch:
Am 22.04.2021 um 12:50 schrieb Ulf Zibis:
Hi,
I want to filter a video from pts 0 to 1999 with filter A, then
from 2000 to 2199 with filter B, from 2200 with
On 2021-04-23 17:05, Nicolas George wrote:
Ulf Zibis (12021-04-23):
I already had checked that. Unfortunately, crop has no timeline support:
How would that work? Enabling or disabling crop changes the output
resolution, which is not supported by libavfilter.
Strictly, it's supported via
On 2021-08-23 10:45 am, Adam Nielsen via ffmpeg-user wrote:
why is the framerate automatically changed here from 29.98 fps to 120
fps, and how can I prevent from this ?
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1280x720, 2508 kb/s, 29.98 fps, 120 tbr, 90k tbn, 2k
On 2021-08-21 03:05 pm, Nicolas George wrote:
- By adding -r on your output and by using a format like MP4 that only
supports constant frame rate, you are forcing ffmpeg to duplicate or
A nit, but MP4 is inherently VFR-ready - that's what the (mandatory)
stts box is for.
It is for
On 2021-12-04 07:17 am, Toerless Eckert wrote:
Hi
I am trying to set up ffmpeg to convert media file, mostly container format,
e.g.: mp4/avi to mkv or the like (no reencoding).
I notice that the same ffmpeg run creates binary different files
every time it is run (on the same input). I would
On 2021-12-31 12:14 am, Eric Juteau wrote:
Hello,
I’m trying to include only the codecs I need in my FFmpeg build. I’m using
–disable-decoders and re-enabling just the ones that I need via
–enable_decoder=’’. This seems to work on almost every codec I need, except for
the eia_608 (cc_dec)
On 2021-12-21 08:14 pm, Cecil Westerhof via ffmpeg-user wrote:
I have the recording of a zoom meeting where I need to cut out a
portion from and the first little bit has to be blacked out.
I use the following command:
ffmpeg -y\
-ss 00:26:05
On 2022-01-05 04:23 pm, Michael Koch wrote:
Hello,
when I use the -s option in this command line
ffplay -noborder -s vga -left 0 -top 200 udp://239.0.0.1:1234
then I get this error message:
"Option -s is deprecated, use -video_size. Option video_size not found."
When I use the
On 2021-11-09 03:15 am, Marton Balint wrote:
On Mon, 8 Nov 2021, Gyan Doshi wrote:
On 2021-11-07 02:56 pm, Marton Balint wrote:
On Sun, 7 Nov 2021, Gyan Doshi wrote:
This can work until it doesn't. The filter doesn't tolerate any load
failures.
I'll see if I can add a short
On 2021-11-09 04:31 pm, Nicolas George wrote:
Gyan Doshi (12021-11-09):
Not on FAT32. And since it's not guaranteed, the filter should accommodate
that.
What are you talking about? The filter does not write the file, it just
reads it. It is the responsibility of whoever writes the file
On 2021-11-07 12:06 pm, LianCheng Tan wrote:
Hi Gyan,
Will it be added in the next release of ffmpeg?
No guarantees but I'll aim for that.
Regards,
Gyan
On 7 Nov 2021, at 1:08 PM, Gyan Doshi wrote:
On 2021-11-07 03:58 am, Anatoly wrote:
On Thu, 4 Nov 2021 20:14:16 +0800
On 2021-11-07 03:58 am, Anatoly wrote:
On Thu, 4 Nov 2021 20:14:16 +0800
LianCheng wrote:
Yes, would like to know in ffmpeg, under drawtext, the textfile
(reload=1) is using read-write or read-only mode?
I think "procmon.exe" from Microsoft
On 2021-11-07 02:56 pm, Marton Balint wrote:
On Sun, 7 Nov 2021, Gyan Doshi wrote:
On 2021-11-07 03:58 am, Anatoly wrote:
On Thu, 4 Nov 2021 20:14:16 +0800
LianCheng wrote:
Yes, would like to know in ffmpeg, under drawtext, the textfile
(reload=1) is using read-write or read-only
On 2022-01-09 03:36 pm, Carl Eugen Hoyos wrote:
Am Sa., 8. Jan. 2022 um 07:54 Uhr schrieb Adam Nielsen via ffmpeg-user
:
[mpegts @ 0x6725d0] Stream 0, codec mjpeg, is muxed as a private data
stream and may not be recognized upon reading.
You cannot mux random data into mpegts, this
On 2022-02-28 10:37 am, Steven Kan wrote:
I am overlaying real-time weather on streaming video:
https://www.youtube.com/channel/UCIVY11504PcY2sy2qpRhiMg/live
I have a script reading from openweather.org every 10 minutes and writing to
weather.txt*, and then drawtext reads weather.txt and
On 2022-02-22 05:24 pm, adam smith via ffmpeg-user wrote:
Hi fellow FFmpeg enthusiasts. Hope everyone is doing well.
I have updated to FFmpeg v5.0 and mostly I am having a great time.
I am however having an issue with Unrecognised option -intra when trying to
create IMX30 or IMX50. The
On 2022-02-28 12:28 pm, Gyan Doshi wrote:
On 2022-02-28 10:37 am, Steven Kan wrote:
I am overlaying real-time weather on streaming video:
https://www.youtube.com/channel/UCIVY11504PcY2sy2qpRhiMg/live
I have a script reading from openweather.org every 10 minutes and
writing to weather.txt
On 2022-02-04 01:20 pm, 桃源老師 wrote:
/var/folders/1d/qk_hczkn68xfv_7gdbkmhwx4gn/T//ffconf.DmkkrFIx/test.c:3:44:
error: use of undeclared identifier 'vmaf_init'
long check_vmaf_init(void) { return (long) vmaf_init; }
It seems to me that vmaf_init() had existed before, so I'm not sure why
On 2022-01-30 02:11 am, Michael Koch wrote:
Am 29.01.2022 um 20:36 schrieb Michael Koch:
Hello,
is it possible to watch a folder for new images (like
fileSystemWatcher in C#), and if a new image appears, then load it in
FFmpeg? The question is for Windows.
Very large PNG images (about 30
On 2022-01-30 07:25 pm, Michael Koch wrote:
Am 30.01.2022 um 14:29 schrieb Gyan Doshi:
On 2022-01-30 06:36 pm, Michael Koch wrote:
The problem is that FFmpeg seems to read the link only one time.
When I change the link target (while FFmpeg is running) with the
copy command, the link
On 2022-01-30 06:36 pm, Michael Koch wrote:
The problem is that FFmpeg seems to read the link only one time. When
I change the link target (while FFmpeg is running) with the copy
command, the link is actually changed but FFmpeg is still showing the
first image.
When I stop and restart
On 2022-01-19 05:29 pm, Bo Berglund wrote:
On Wed, 19 Jan 2022 17:10:26 +0530, Gyan Doshi wrote:
What do I need to just get that output I want?
The closest you can get is
ffprobe -v 0 -of compact=p=0:nk=1 -sexagesimal -show_entries
format=duration INPUT
Thanks, this returns
On 2022-01-19 04:53 pm, Bo Berglund wrote:
This is on Linux:
I have tried in various ways to limit the output of ffmpeg/ffprobe to the line
holding the duration but it seems impossible...
I have a need to display the video duration as h:m:s on a listing of videos in a
directory.
So I want to
On 2023-09-01 10:34 pm, pho...@neo.rr.com wrote:
Hi,
I'm trying to correct bad SARs via '-bsf' -- DARs are also bad but
I'll fix them next.
The error is: "Codec 'aac' (86018) is not supported by the bitstream
filter 'hevc_metadata'."
I'm not transcoding. I'm not using 'aac'.
I don't see why
On 2023-08-14 11:47 am, Michael Koch wrote:
Am 14.08.2023 um 07:41 schrieb Michael Koch:
Hello,
I'd like to make a batch file for FFplay that shows only the first
frame of a video until the window is closed. It should also work for
still images. This command line works for still images and
On 2022-04-26 08:12 pm, Tim Erskine wrote:
Hello,
Using latest version. Looks like the latest SVT-AV1 version needs to be added…
No. This is the actual error:
ld: warning: ignoring file /usr/local/lib/libSvtAv1Enc.dylib, building
for macOS-x86_64 but attempting to link with file built for
On 2022-05-25 08:31 pm, Michael Koch wrote:
Hello,
we want to use FFplay in a planetarium. It's a Windows computer with
an extended desktop. The left monitor contains the user interface
(1920x1080) and at the right side is a 4Kx4K extended desktop, which
is shown on two 4096x2048
On 2022-06-16 12:45 pm, Michael Koch wrote:
I would like to understand why in some cases -loop 1 is required
before the input files, and in some cases it can be omitted.
-loop option is specific to the image sequence demuxer. Without it, a
single image input is a video stream of 1 frame
On 2022-06-16 01:17 pm, Michael Koch wrote:
Am 16.06.2022 um 09:33 schrieb Gyan Doshi:
On 2022-06-16 12:45 pm, Michael Koch wrote:
I would like to understand why in some cases -loop 1 is required
before the input files, and in some cases it can be omitted.
-loop option is specific
On 2022-06-11 03:02 pm, Michael Koch wrote:
I want to concat two audio files. What's wrong with this command line?
ffmpeg -i birds1.wav -i birds1.wav -lavfi [0][1]concat=n=2:a=1 -c:a
aac -y sound.mp4
Default value for concat v is 1. So you need to set it to 0.
concat=n=2:a=1:v=0
On 2022-06-28 07:38 pm, Ulf Zibis wrote:
Am 28.06.22 um 15:14 schrieb Ulf Zibis:
Am 28.06.22 um 14:59 schrieb Moritz Barsnick:
Metadata flags do exist for rotating, but not for flipping. Thus this
cannot be done without re-encoding.
I'm irritated. Here I can read, that it exists:
On 2022-08-08 08:02 pm, Dmitry Katsubo via ffmpeg-user wrote:
Dear ffmpeg community,
I have ffmpeg for Windows x64 downloaded from
https://www.gyan.dev/ffmpeg/builds/
When ffmpeg is started from CygWin or Windows WSL the following happens:
* It reports "error parsing debug value" and
On 2022-12-31 08:15 am, David Niklas wrote:
Sorry for taking so long to reply.
It is not working. Terminal output below.
% ffmpeg -i Ducksinarow.mp4 -filter_complex
"[0:0]drawbox=color=black:t=fill=enable='between(t,1.0,2.0)'" -c:a copy -c:v
libvpx ducks.mp4
There should be a colon after
On 2023-02-27 04:59 pm, hydra3...@gmail.com wrote:
the "colorspace=bt709:iall=bt601-6-625:fast=0" seems to be ignored entirely and
the resulting clip is BT709.
This tells colorspace that the input is 601 and the output should be 709.
And mediainfo shows the output to have 709, as
101 - 200 of 218 matches
Mail list logo
