> Am 01.03.2019 um 08:08 schrieb Morgan Carr Markell :
>
> On Fri, Mar 1, 2019 at 12:22 AM Morgan Carr Markell
> wrote:
>
>> Ok. I'll work on copying the beginning and end of the output. What is
>> "top-posting"?
>>
>
> Thanks for explaining, and I apologize for not googling it. So the
> Am 28.02.2019 um 23:34 schrieb Morgan Carr Markell :
>
> When I convert large .MP4 video files (~3 hours long)
> to .avi files, using this code:
>
> ffmpeg -i input.MP4 -an -vcodec rawvideo -y output.avi
Please provide the commmand line you tested together with the complete, uncut
> Am 26.02.2019 um 18:07 schrieb ABDALLAH Moussa :
>
> Hi,
>
> I try to read a stream video with the command line : ffmpeg -i
> rtsp://192.9.200.121/h264 -y -map 0 -t 5 -c copy -f matroska _capture.mkv
>
> And I get this error :
>
> ffmpeg version 4.1.1 Copyright (c)
Please remember that
2019-01-31 7:05 GMT+01:00, Wayne :
> Any way to do this in C#?
If you are not interested in using ffmpeg (the command line
utility) this is the wrong mailing list:
http://ffmpeg.org/contact.html#MailingLists
> I have resorted to temporarily renaming those file
> names/filepaths to English and
2019-02-22 18:28 GMT+01:00, Yukun Guo :
> I still can't understand this. Why does FFmpeg need
> MVs? My guess is calculating MVs is just a
> byproduct of extracting the metadata.
The decoder does not know that it was only called to
provide some information about the stream, not the
actual
2019-02-24 11:21 GMT+01:00, Ulf Zibis :
> At the page https://github.com/vigata/vgtmpeg I read:
>
>
> Contributing
>
> Patches should be submitted to the ffmpeg-devel mailing list using |git
> format-patch| or |git send-email|. Github pull requests should be
> avoided because they are not
2019-02-24 10:10 GMT+01:00, Tom Worton :
> ffmpeg.exe -i myvideofile.mkv -map 0 -vcodec copy -scodec copy
> -acodec ac3 -b:a 640k myvideofilewithAC3.mkv
Complete, uncut console output missing.
If you are just worried about a warning message:
You are not the intended recipient (and there is
2019-02-22 17:19 GMT+01:00, ABDALLAH Moussa :
> I don't know if it's the good place to ask that but I have a problem with my
> program. It's a program to try to save a stream video from an ip camera to a
> file. When I try to execute my program this is the error that's returns on
> the console :
2019-02-21 17:11 GMT+01:00, ABDALLAH Moussa :
> I try to read and write an stream video with the command bellow
> on Centos 7 but it doesn't work :
>
> ffmpeg -loglevel 48 -i http://xx.x.xx.xx/ipcam/mjpeg.cgi -y -map 0
> -t 10 -f matroska _capture.mkv
>
> When I try it on Windows it works fine !
2019-02-21 15:24 GMT+01:00, Michael Kohne :
> ./ffmpeg -min_port 62000 -max_port 62004 -i rtsp://
> 192.168.0.113/media/video1 -codec:v msmpeg4v2 -codec:a ac3 -ar 44100 -map 0
> -f tee "[f=avi]/data/vidtmp/one.avi|[f=avi]/data/vidtmp/two.avi" >
> /data/vidtmp/out.txt 2>&1
You do realize that by
2019-02-04 23:29 GMT+01:00, Ulf Zibis :
>
> Am 04.02.19 um 01:00 schrieb Carl Eugen Hoyos:
>> 2019-02-03 21:16 GMT+01:00, Ulf Zibis :
>>> Am 03.02.19 um 21:06 schrieb Carl Zwanzig:
>>>> It's a shortening of "Top Field First" (TFF). With interlaced vide
2019-02-21 0:42 GMT+01:00, Martin :
> I'm a Debian developer and would like to have license
> information about FATE data files.
A very large number of them (for your purposes: all)
are non-free.
(For lena, this was explained by Debian to us.)
Carl Eugen
2019-02-21 0:45 GMT+01:00, Ulf Zibis :
>
> Am 21.02.19 um 00:39 schrieb Carl Eugen Hoyos:
>> 2019-02-21 0:37 GMT+01:00, Ulf Zibis :
>>> Am 21.02.19 um 00:17 schrieb Carl Eugen Hoyos:
>>>>> AND that ffmpeg is not able to extract
>>>>> them f
2019-02-21 0:37 GMT+01:00, Ulf Zibis :
>
> Am 21.02.19 um 00:17 schrieb Carl Eugen Hoyos:
>>> AND that ffmpeg is not able to extract
>>> them from other ripped files such as *.ifo?
>> That may be possible but you do not provide other
>> ripped files to FFmpeg.
&
2019-02-20 17:18 GMT+01:00, Felipe Mogollon :
> Hi,
>
> I am trying to generate a mpegts stream with live DVB subtitles.
>
> I have managed to create DVB subtitles by doing some tricks with python +
> spumux + ffmpeg and I can finally get a dvbsub file that contains subtitles.
>
> If I mux
2019-02-20 10:32 GMT+01:00, Ted Park :
>> The original video seems problematic, so FFmpeg outputs
>> several lines of "co located POCs unavailable" error. The
>> error message is printed in `h264_direct.c/ff_h264_direct_ref_list_init`,
>> which is further called by `h264dec.c/h264_decode_frame`.
2019-02-20 11:05 GMT+01:00, Ulf Zibis :
>
> Am 19.02.19 um 20:11 schrieb Carl Eugen Hoyos:
>> 2019-02-19 19:26 GMT+01:00, Ulf Zibis :
>>
>>> I'm still wondering, why ffmpeg doesn't recognize
>>> the language codes of the subtitle streams.
>>
>
2019-02-20 21:15 GMT+01:00, DeBacker, Bart :
>
> On 2/19/19, 2:15 PM, "ffmpeg-user on behalf of Carl Eugen Hoyos"
>>
>> 2019-02-18 22:53 GMT+01:00, Marton Balint :
>> >
>> > On Mon, 18 Feb 2019, DeBacker, Bart wrote:
>>
>> >> I
2019-02-20 19:40 GMT+01:00, Michael Kohne :
> I'm using ffmpeg 4.1 to grab an rtsp stream (includes both H.264
> video and G.711 audio) from a Sony EP580 IP camera.
> If I instead use the tee muxer to make two avi files:
>
> ffmpeg -min_port 62000 -max_port 62004 -i
2019-02-18 15:36 GMT+01:00, Krzysztof Kowalczyk :
> Hello,
> I'm trying to grab live stream from youtube to process it with opencv in
> python, in order to do so I run subprocess './ffmpeg.exe -i
> *Stream_Url_GoesHere* -f image2pipe -pix_fmt bgr24 -vcodec rawvideo -' and
> read decoded image from
2019-02-19 4:31 GMT+01:00, Jane :
> Thank for the detailed information. I'm trying to make full use
> of MPEG-2, because it's less complex. It's mainly disgned
> for MP@ML set-top boxes ,
> just hope to keep compliance with DVD standards.
Then use the target option.
Carl Eugen
2019-02-18 22:53 GMT+01:00, Marton Balint :
>
> On Mon, 18 Feb 2019, DeBacker, Bart wrote:
>> I grabbed the latest snapshot and see the same behavior. I don't think
>> this is really a bug, since the frames exist and are valid, but the MXF
>> metadata is specifying a start time that is a few
2019-02-19 19:26 GMT+01:00, Ulf Zibis :
> I'm still wondering, why ffmpeg doesn't recognize
> the language codes of the subtitle streams.
I don't think they are part of the vob file.
> They must be there, as one can see from the
> attached dvd::rip screenshot.
No.
> Is it possible to add them
2019-02-18 22:27 GMT+01:00, Ulf Zibis :
> Stream #0:6 -> #0:6 (dvd_subtitle (dvdsub) -> ass (ssa))
> Stream #0:7 -> #0:7 (dvd_subtitle (dvdsub) -> ass (ssa))
> Stream #0:8 -> #0:8 (dvd_subtitle (dvdsub) -> ass (ssa))
> Stream #0:9 -> #0:9 (dvd_subtitle (dvdsub) -> ass (ssa))
> Stream
2019-02-13 23:10 GMT+01:00, Frans Meulenbroeks :
> Of course I can re-create this code, but I was wondering if there is by any
> chance something in ffmpeg that I could use for this purpose (e.g. based
> upon mpeg-7 signatures).
The signature filter is based upon mpeg-7 signatures.
Carl Eugen
2019-02-17 23:26 GMT+01:00, DeBacker, Bart :
> ffmpeg -i hires.mxf -s 960x540 lores.mp4
>
> ffmpeg version 4.0.1
This is soon one year old.
Carl Eugen
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2019-02-17 20:22 GMT+01:00, DeBacker, Bart :
> We are currently using ffmpeg to extract a lower resolution MP4 file
> from our MXF OP1A standard hi-res files. This is the command:
>
> ffmpeg -i hires.mxf -s 960x540 -preset veryfast -framerate 29.97
> -f mp4 lowres.mp4
Complete, uncut console
2019-02-16 9:17 GMT+01:00, Aditya Satyavada :
> The log for my local Mac is :
Please understand the the type of log you provided is not
appreciated.
> subprocess.call(['ffmpeg', '-y', '-f', 'mp3', '-i', '-'
If you have an mp3 sample that needs forcing the input
format, please provide it.
>,
2019-02-15 22:29 GMT+01:00, Ulf Zibis :
> is it possible to copy the content of a DVD to a Matraska
> container with all DVD menus, chapters, all audio languages
> and all subtitles, so the MKV file could be used similar as a
> DVD and optionally copied back to a DVD later?
I suspect it is
2019-02-15 0:28 GMT+01:00, Ulf Zibis :
> Hi Jonathan,
>
> thanks for your hints. Unfortunately they have been already known to
> me, but there still remain 2 questions from my side:
> - The '+' with "-flags" arguments, I can imagine, it serves as
> separator. But is that all, has '-' another
2019-02-14 14:14 GMT+01:00, Jane :
> Hello everyone! I'm encoding video to MPEG-2 using Zeranoe's Windows
> builds. The source file is 720p 60fps, progressive. I want to keep high
> quality and compatibility with DVD standards, so I use:
> ffmpeg -hwaccel auto -i "input" -vf
2019-02-13 23:23 GMT+01:00, Ulf Zibis :
>
> Am 13.02.19 um 20:23 schrieb Lou Logan:
>>> If I need 2 passes I should know about the correct syntax,
>>> "-flags pass1" or "-pass 1".
>>
>> "-pass 1" for the first pass, then "-pass 2" for the second pass.
>
> I was just wondering, that option "-pass"
2019-02-13 15:07 GMT+01:00, Brian J. Murrell :
> A piece of software I'm using is trying to remux a file and running
> into an error:
>
> $ ffmpeg -f avi -i file:"/tmp/vid.avi" -sn -codec:v:0 copy -flags
Unrelated:
Generally, you shouldn't force an input format and certainly
not for avi.
>
2019-02-12 18:12 GMT+01:00, Ted Park :
> It is a set of constraints on the encoding parameters. Basically
> the encoder sets the level to indicate the decoder capabilities
> necessary and sufficient to decode the stream.
In addition, I'd like to note that with software decoding, the
level chosen
2019-02-11 14:17 GMT+01:00, Sergio A S de Aguiar :
> At this time I use a vlc lib to play the stream.
> I am able to change audios and enable/disable subtitles with it.
What created the hls stream with dvbsub subtitles that you
used to test the player?
Please avoid top-posting here, Carl Eugen
2019-02-11 13:57 GMT+01:00, Sergio A S de Aguiar :
> I am working in a project where I have to encrypt a hls stream with AES-128.
> I have made it using ffmpeg, in a test mp4 file, but without the subtitles,
> wich are in dvbsub format.
>
> As, in the input stream, the subtitles are in dvbsub
2019-02-11 12:54 GMT+01:00, Christoph Bauer :
> we have issues with wrapping a image sequence consisting
> of dpx version 2 pictures into ffv1 mkv. After unwrapping we
> get the images as dpx version 1 pictures. Is it because
> ffmpeg can't handle dpx version 2?
So your question is not if FFmpeg
2019-02-08 13:02 GMT+01:00, Nestor Morales :
> Hello everyone,
>
> I have two RTP sources (they will be more in the future, but I am starting
> with these two), sent from two different source in a Janus server. Each
> input has video and audio, which received at a different port each.
>
> I am
2019-02-08 17:38 GMT+01:00, Felix Muster :
> The file isn't broken.
Then please export the audio stream with mkvmerge and
the ffmpeg command line I posted and compare the results.
(And provide if they are different from what you have uploaded)
Please avoid top-posting here, Carl Eugen
2019-02-09 1:33 GMT+01:00, Subrata Goswami :
> Looks like when ffmpeg creates a video segment, it is not possible
> to start reading that segment right away. Throws "moov atom not
> found" error. So if I have a 30 sec segment, I have to wait for at
> least 30 secs. Tried the -movflags
2019-02-06 16:22 GMT+01:00, Christian :
> I will loop input all JPGs.
>
> for one file "current.jpg" works:
>
> ffmpeg -loop 1 -i C:\cam\1\current.jpg -i http://stream.bmr-radio.de:80
> -r 25 -b:v 4M -minrate:v 4M -maxrate:v 4M -bufsize:v 4M -f mpegts
> -metadata service_provider="Geratal-TV"
2019-02-06 17:13 GMT+01:00, lync...@sapo.pt :
> Is it possible to add chapter (track) information to a FLAC file?
No, this is a missing feature in FFmpeg.
Carl Eugen
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> Am 07.02.19 um 22:58 schrieb Ronnie Roller:
> I'm built ffmpeg 4.1
Which unfortunately is not supported here.
Did you see http://ffmpeg.org/download.html where you
can find a link to a kind supporter who offers FFmpeg binaries?
Carl Eugen
___
2019-02-07 15:57 GMT+01:00, Taner Sener :
> cat input.jpg | ffmpeg -loop 1 -i pipe:0 -c:v mpeg4 -t 3 video.mp4
(Complete, uncut console output missing.)
The option loop cannot work for pipe input afaict (at least it never
has worked, it is probably a bug that the option is accepted).
I wanted
2019-02-05 15:36 GMT+01:00, James E. Baird :
> After spending more time digging through the limited info on the internet, I
> have made some edits to my command and am seeing better results. I am still
> seeing a high number of errors and discontinuities however. I believe that I
> can capture
2019-02-06 11:16 GMT+01:00, Gabriele Greco :
> - different number of ref frames used (impossibile to probe with ffmpeg,
> can be probed with mediainfo)
This is supposed to work, but currently broken: ticket #6001.
> - something else we cannot probe neither with mediainfo or ffprobe
And things
2019-02-04 21:59 GMT+01:00, William C Bonner :
> I've encountered the error message "Too many packets buffered for output
> stream 0:1." when converting files and would appreciate direction in how I
> might get around the error.
>
> When it occurs, there is a zero length output file created and
2019-02-04 21:31 GMT+01:00, Zoltan Kerenyi Nagy :
> I was experimenting with these parameters, however the CPU
> usage never changed:
>
> ffmpeg -f alsa -i hw:0,0-ar 8000 http://localhost:/audio.ffm
> ffmpeg -f alsa -i hw:0,0 -b:a 128k http://localhost:/audio.ffm
>
> Do you have any idea,
2019-02-04 22:00 GMT+01:00, Felix Muster :
> I created the sample file: ffmpeg -ss 01:26:00 -i input.mkv -t 00:02:00 -map
> 0:1 -c copy output.mkv
It may be better to use:
$ ffmpeg -i input -map 0:1 -c copy -f rawvideo out.dts
> The problem can easily be reproduced and occurs exactly at the
>
2019-02-03 18:37 GMT+01:00, frhun :
> Please write example
$ ffmpeg -i input -i raw.yuv -filter_complex overlay out.mov.
Please don't top-post here, Carl Eugen
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2019-02-03 21:16 GMT+01:00, Ulf Zibis :
>
> Am 03.02.19 um 21:06 schrieb Carl Zwanzig:
>> It's a shortening of "Top Field First" (TFF). With interlaced video
>> you have a choice of whether the top or bottom field (odd numbered
>> lines/even numbered lines) comes before the other in the digital
2019-02-03 11:58 GMT+01:00, Ulf Zibis :
>
> Am 01.02.19 um 20:00 schrieb Carl Eugen Hoyos:
>>> But for the rest of the video, I'm wondering that I nowhere notice such
>>> dropouts. IIRC I read, that the film was produced with a budget of
>>> 20.000 DM, whic
2019-02-03 16:31 GMT+01:00, Ulf Zibis :
> Also I'm missing even few celluloid dropouts in the whole video.
But this does not rule out progressive digital video.
Carl Eugen
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2019-02-03 11:57 GMT+01:00, Christian Knoefel :
> i need one ffmpeg for windows7 64bit, but with pthread support.
Could you explain what does not work with a Zeranoe binary?
Carl Eugen
(who still hasn't seen a non-broken compile script.)
___
2019-02-02 21:22 GMT+01:00, Ulf Zibis :
>
> Am 02.02.19 um 02:18 schrieb Carl Eugen Hoyos:
>> Second:
>> libx264 does support interlaced encoding (but not field
(It appears as if you didn't read this sentence: It does not
mean "you can feed anything into libx26
2019-02-02 20:32 GMT+01:00, Ulf Zibis :
>
> Am 02.02.19 um 19:27 schrieb Ulf Zibis:
>> But if I have a interlaced encoded stream with interlaced content, I
>> guess only both steps at same time ensure to get a progressive stream
>> with good visual quality.
>
> For this case I see 2 options.
2019-02-02 19:27 GMT+01:00, Ulf Zibis :
>
> Am 02.02.19 um 18:38 schrieb Carl Eugen Hoyos:
>> 2019-02-01 23:46 GMT+01:00, Ulf Zibis :
>>> Am 30.01.19 um 15:08 schrieb Carl Eugen Hoyos:
>>>> Without interpolation, this is what all video players do if yo
2019-02-03 11:58 GMT+01:00, Ulf Zibis :
>
> Am 01.02.19 um 20:00 schrieb Carl Eugen Hoyos:
>>> But for the rest of the video, I'm wondering that I nowhere notice such
>>> dropouts. IIRC I read, that the film was produced with a budget of
>>> 20.000 DM, whic
2019-02-02 23:02 GMT+01:00, Felix Muster :
> I'm trying to convert DTS-HD Master Audio track embedded
> in mkv container to alac and mux it into mp4(m4v)-container.
> After the half I get the following messages:
Please provide the input sample.
Carl Eugen
2019-02-01 23:46 GMT+01:00, Ulf Zibis :
>
> Am 30.01.19 um 15:08 schrieb Carl Eugen Hoyos:
>> Without interpolation, this is what all video players do if you disable
>> all de-interlacing.
>> The problem is what kind of "interpolation" you use, this is called
&g
2019-02-02 0:43 GMT+01:00, Ulf Zibis :
>
> Am 01.02.19 um 23:25 schrieb Carl Eugen Hoyos:
>> 2019-02-01 23:14 GMT+01:00, Ulf Zibis :
>>> So now I understand (hopefully). My main interest was is to know,
>>> if my video is _encoded_ interlaced or not, and I still
2019-02-01 23:14 GMT+01:00, Ulf Zibis :
> Am 31.01.19 um 13:48 schrieb Carl Eugen Hoyos:
>> DVD recorders can only produce interlaced files if the input
>> was interlaced, in this specific case, a file with progressive
>> content was produced (from progressive original).
&
2019-01-28 19:39 GMT+01:00, frhun :
> Hi all
>
> I am new in the mail list.
> I from Hungary, I usualy helped sport competition, streaming to youtube...
>
> I hope someone helps me.
>
> I have a ip cam ( hikvision) , so far using only stream to youtube function.
>
> ( ffmpeg -re -rtsp_transport
2019-02-01 19:40 GMT+01:00, Ulf Zibis :
> Am 31.01.19 um 00:18 schrieb Carl Eugen Hoyos:
>> This masterpiece (make sure you don't miss the imdb comment)
>> was most likely made with a film camera that knew nothing about
>> interlacing.
>
> I'm sure this is true at le
2019-01-31 21:06 GMT+01:00, Mahmood Naderan :
>>I believe if you want to use the cuda scaling filter you should also
>>use cuda decoding.
>
> The original cuda compatible run is
>
> ./ffmpeg -hwaccel cuvid -c:v h264_cuvid -i ../4k_normal.mp4 -vf
> scale_npp=1280:720 -c:v h264_nvenc 720p1.mp4
>
> I
2019-01-31 20:39 GMT+01:00, Mahmood Naderan :
> I want to run a multicore CPU job with ffmpeg and I think
> the command should be
>
> ./ffmpeg -i ../4k_normal.mp4 -vf scale_npp=1280:720 720p1.mp4
I believe if you want to use the cuda scaling filter you should also
use cuda decoding.
Carl Eugen
2019-01-31 6:46 GMT+01:00, Carl Zwanzig :
> On 1/30/2019 12:23 PM, Carl Eugen Hoyos wrote:
>> this is not about the "signal" that is of
>> course interlaced for analog PAL but the content that
>> may of may not be interlaced (and the idet filter only
>> looks
2019-01-31 13:41 GMT+01:00, Alex Molon :
> Basically I have a file with a single video track and a single audio track.
>
> What I want to achieve is:
>
>
>
> a) Scale the video track to 720x576 and encode it in H264 @ 2M with 2M
> minrate and 2M maxrate
>
> b) Scale the video track to 640x480 and
2019-01-31 1:03 GMT+01:00, juan carlos :
>
>
> El 30/01/19 a las 21:24, Carl Eugen Hoyos escribió:
>> 2019-01-30 22:11 GMT+01:00, juan carlos :
>>>
>>> El 30/01/19 a las 20:51, Carl Eugen Hoyos escribió:
>>>> 2019-01-30 21:39 GMT+01:00, juan carlos
2019-01-31 0:20 GMT+01:00, Lou Logan :
> On Mon, Jan 28, 2019, at 6:58 PM, Carl Eugen Hoyos wrote:
>>
>> (So apparently the next sentence is wrong and Lou
>> does offer release support - but unfortunately only
>> to you because he closed ticket #7697 this week
>&g
2019-01-31 0:18 GMT+01:00, Carl Eugen Hoyos :
> 2019-01-30 23:55 GMT+01:00, Ulf Zibis :
>
>> here you find the rip from dvd::rip and the result from ffmpeg:
>> https://c.1und1.de/@519472591769967166/-XGssZrBRCiT0J4xQUU1LA
>
> This masterpiece (make sure you don't miss the
2019-01-30 23:55 GMT+01:00, Ulf Zibis :
> here you find the rip from dvd::rip and the result from ffmpeg:
> https://c.1und1.de/@519472591769967166/-XGssZrBRCiT0J4xQUU1LA
This masterpiece (make sure you don't miss the imdb comment)
was most likely made with a film camera that knew nothing about
2019-01-28 17:30 GMT+01:00, Josh McNeill :
> I'm using the silencedetect filter for a project, and I've been using an
> amplitude ratio for the threshold (i.e., n=), but I'm not sure what this
> actually refers to. My guess is that it's a percentage of the peak
> amplitude in the file (e.g., 0.01
2019-01-30 22:11 GMT+01:00, juan carlos :
>
>
> El 30/01/19 a las 20:51, Carl Eugen Hoyos escribió:
>> 2019-01-30 21:39 GMT+01:00, juan carlos :
>>> hello moritz, sorry for taking a long time to answer, I have not had
>>> time to do it, I write to comment
2019-01-30 21:39 GMT+01:00, juan carlos :
> hello moritz, sorry for taking a long time to answer, I have not had
> time to do it, I write to comment that the command you mention does not
> work, says -filter: v "volumedetect" invalid argument, this command is
> not the only one that has stopped
2019-01-30 18:27 GMT+01:00, Carl Zwanzig :
> On 1/30/2019 6:12 AM, Carl Eugen Hoyos wrote:
>> You may have forgotten that while the vertical resolution is kept,
>> horizontal resolution is reduced significantly for VHS, likely
>> confusing the algorithm for detection
2019-01-29 20:50 GMT+01:00, Ulf Zibis :
> My understanding is, that a VHS cassette player always
> provides a fully interlaced analogue stream (50 half-frames
> per sec. for PAL).
You may have forgotten that while the vertical resolution is kept,
horizontal resolution is reduced significantly
2019-01-30 1:26 GMT+01:00, Ulf Zibis :
> In my POV deinterlacing ("classic") is to buffer and optionally somehow
> interpolate the content of the "before half-frame" and add it to the
> current half-frame, so the display content only changes *25 times per
> sec.*. But with the method I outlined,
2019-01-29 21:48 GMT+01:00, Moritz Barsnick :
> Moin Ulf,
>
> On Tue, Jan 29, 2019 at 20:50:25 +0100, Ulf Zibis wrote:
>
>> My understanding is, that a VHS cassette player always provides a fully
>> interlaced analogue stream (50 half-frames per sec. for PAL).
>
> Originally coming from the analog
2019-01-29 20:50 GMT+01:00, Ulf Zibis :
> If you want I could upload a 6 min. chunk with 300 MB.
Just post a link, there are issues with 10G samples
(that could not easily be made smaller).
Carl Eugen
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2019-01-29 0:06 GMT+01:00, Michael Shaffer :
> Hi, we are also streaming a Hikvision cctv camera to youtube. We're not
> putting text on the image but are using the "-vf curves" command to
> eliminate fog. The CPU was unable to do the curves filter at 30fps above
> 1080p. We put my GeForce 1060
2019-01-28 17:46 GMT+01:00, Frederico Cengarle
:
> ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers
This is old an unsupported, please test current FFmpeg git head.
(While FFmpeg simply cannot "add white frames", this could for
example be an issue with an edit list, changes
2019-01-29 0:50 GMT+01:00, pehache :
> Just checked, the output of:
>
> ffmpeg -i test.mkv -map 0:1 -af
> aresample=matrix_encoding=dplii -t 300 a.wav
>
> is bit to bit identical to:
>
> ffmpeg -i test.mkv -map 0:1 -t 300 a.wav
Complete, uncut console output missing.
I just tested that - apart
2019-01-28 23:58 GMT+01:00, pehache :
> Le 28/01/2019 à 14:11, Carl Eugen Hoyos a écrit :
>> Note that the dplii conversion does not do a correct phase shift,
(Sorry: "FFmpeg's dplii conversion")
>> the output does not have optimal quality.
>
> Do you mean in g
2019-01-29 2:16 GMT+01:00, Ulf Zibis :
> Hi Carl Eugen,
>
> Am 19.01.19 um 14:02 schrieb Carl Eugen Hoyos:
>>> $ ffmpeg -i CYD_copy.vob -vf idet -f null -
>>> ffmpeg version 4.1-static https://johnvansickle.com/ffmpeg/ Copyright
>> Not supported here!
>>
2019-01-28 16:47 GMT+01:00, Frederico Cengarle
:
> ffmpeg -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=48000 -i Input
> file -pix_fmt yuv420p -vcodec libx264 -profile:v main -color_primaries 1
> -color_trc 1 -colorspace 1 -b:v 10M -c:a libfdk_aac -b:a 192k -movflags
> faststart
2019-01-28 8:39 GMT+01:00, Peter B. :
> Works with added "-r 25" before "-i":
> $ ffmpeg-git -r 25 -i ORIGINAL.ts -c:v ffv1 -c:a copy out/test-fps25.avi
>
> But how come it requires the 25fps information
Afaict, because the file has broken timestamps.
The most important question would be how it
2019-01-28 9:00 GMT+01:00, pehache :
> Le 27/01/2019 à 16:53, Carl Eugen Hoyos a écrit :
>> 2019-01-27 16:44 GMT+01:00, pehache :
>>
>>> I used to apply a Dolby Pro Logic II encoding this way :
>>
>> Actual command line and complete, uncut console output miss
2019-01-27 22:03 GMT+01:00, Dennis Mungai :
> 1. pkg-config --libs --cflags freetype2
> -I/usr/include/freetype2 -I/usr/include/libpng15 -lfreetype
>
> 2.pkg-config --libs --cflags fribidi
> -I/usr/include/fribidi -lfribidi
>
> 3. pkg-config --libs --cflags libass
> -I/usr/include/harfbuzz
2018-11-19 18:41 GMT+01:00, Kieran O Leary :
> On Mon, 19 Nov 2018, 17:36 Carl Eugen Hoyos
>> 2018-11-19 18:34 GMT+01:00, Reto Kromer :
>> > Carl Eugen Hoyos wrote:
>> >
>> >>I wonder if metadata is really sufficient to decode an mxf
>> >>fil
2019-01-13 12:03 GMT+01:00, Hafez Adnan :
> *[root@test]# ffmpeg -i 8387fe50349724b2d4a9ff9052b47355..caf test1.mp3*
>
> ffmpeg version 2.6.8 Copyright (c) 2000-2016 the FFmpeg developers
> built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
> configuration: --prefix=/usr --bindir=/usr/bin
2019-01-27 16:02 GMT+01:00, Felix Muster :
> This message is never related to harm the output?
I don't see how it can harm output, I believe I explained
this already in this thread.
Carl Eugen
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2019-01-27 16:44 GMT+01:00, pehache :
> I used to apply a Dolby Pro Logic II encoding this way :
Actual command line and complete, uncut console output missing.
Carl Eugen
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2019-01-27 14:12 GMT+01:00, Felix Muster :
> I don't understand the message.
> Can you tell me what it means?
It means that the internal buffer size in libavfilter has
been increased by a factor of ten.
> And something must be wrong or not?
It is possible that this indicates a minor bug in
2019-01-26 22:51 GMT+01:00, Felix Muster :
> Output #0, ipod, to 'Dolby_Bit_Harvest_Lossless-thedigitaltheater.m4v':
> Metadata:
> encoder : Lavf58.26.100
> Stream #0:0(eng): Audio: alac (alac / 0x63616C61), 48000 Hz,
> 6.1(back), s32p (24 bit), 128 kb/s (default)
>
2019-01-26 6:02 GMT+01:00, Matthew Reus :
> I m taking a raw video from a box using* HDMI TO SDI* convert using
> *Decklink
> quad 2 *card , the stream will work fine for an hour . But after an hour
> the audio video goes oout of sync .
>
> ffmpeg -async 1 -vsync 1 -f decklink -i 'DeckLink Quad
2019-01-25 16:16 GMT+01:00, Peter B. :
> I've created a sample (with "dd") of the first few MB to recreate the issue:
> http://download.das-werkstatt.com/pb/contribs/files/bad_timing-MPEGTS.tar.bz2
(Please do not compress compressed files and no, I don't think
an md5 sum is necessary in this
2019-01-25 8:49 GMT+01:00, Mahmood Naderan :
>>Your question is very difficult to understand:
>>Are you surprised that the values for the utilization are different?
>>Or do you find them too high? Or too low?
>
> Different
Given that 3840x2160 is exactly four times as large as 1920x1080,
an
2019-01-24 22:25 GMT+01:00, Mahmood Naderan :
> ./ffmpeg -vsync 0 -c:v h264_cuvid -i in.mp4 -f rawvideo out.mp4
>
> and two input files
> Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
> 1920x1080 [SAR 1:1 DAR 16:9], 8239 kb/s, 29.97 fps, 29.97 tbr, 30k tbn,
> 59.94 tbc
2019-01-24 20:05 GMT+01:00, Mark Scott :
> I noticed a color difference between my master video file and the
> output file from ffmpeg. My master file is Apple ProRes 422 HQ .mov. I
> converted it to Apple ProRes 422 (not HQ).mov, using ffmpeg. There is
> a significant color difference on the
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