[FFmpeg-user] Silence remove at start and end of audio file

2023-11-29 Thread kevin draper
first pause in speech. stop_periods= doesn't trim at the end of the recording at all. Can you point me to any examples of using start_periods...stop_periods= on the same line? The examples in the doc are all based on stop_periods=. Thanks -- Kevin Draper *Mobile +44 (0)7904 207537*

Re: [FFmpeg-user] How to determine the quantization of 2 video files?

2023-09-01 Thread Kevin Willard via ffmpeg-user
It's difficult to determine which is the best quality. You can download all the file and look in property details as shown here (this is from a GoPro). The higher the values, the better the quality theoretically. Now, I have seen some 1080 videos that look just as good as 4K on my 4K, HDR monit

[FFmpeg-user] ffmpeg problem: Wrong or missing size information for certain EXRs

2022-09-20 Thread Kevin Steele
Hi! I am trying to convert EXRs to a quicktime video. It has worked several times for me in the past. However, sometimes it doesn't work mysteriously on certain exrs and I am not clear why. Below is a google drive link to the exr file as an example; I assume people may need to reproduce this. The f

[FFmpeg-user] Determine when h.264 TS/UDP frame rate has changed in C/C++

2021-01-17 Thread Kevin Hise
I'm decoding an h.264 video as TS over UDP from a Haivision encoder. When I change the video output from the camera from one resolution (like 720p) to something else (say 1080p) I can see a change in the video context or the parser structures that indicate the new video resolution. However when I

Re: [FFmpeg-user] ffplay with Havision Makito X video encoder, H.264 stream, and "intra refresh" option enabled

2020-11-02 Thread Kevin Hise
On Sat, Oct 31, 2020 at 4:41 AM Carl Eugen Hoyos wrote: > > Am Do., 29. Okt. 2020 um 17:44 Uhr schrieb Kevin Hise : > > > > I've attached 2 sample files (google drive links) captured using netcat (or > > 'nc' on my Slackware box)...one showing video without

Re: [FFmpeg-user] ffplay with Havision Makito X video encoder, H.264 stream, and "intra refresh" option enabled

2020-10-29 Thread Kevin Hise
I've attached 2 sample files (google drive links) captured using netcat (or 'nc' on my Slackware box)...one showing video without the "intra refresh" option enabled, and the other with. The commands I've used to record and play back the video files are like so: nc -ul -s 233.254.1.1 -p 8000 >vid

Re: [FFmpeg-user] ffplay with Havision Makito X video encoder, H.264 stream, and "intra refresh" option enabled

2020-10-28 Thread Kevin Hise
's unable to decode the video it doesn't seem to write anything to a file when you try to record the stream. Would this question be a better one for the development mailing list, instead? Thanks for any assistance. --kev On Tue, Oct 13, 2020 at 12:53 PM Kevin Hise wrote: > >

Re: [FFmpeg-user] ffplay with Havision Makito X video encoder, H.264 stream, and "intra refresh" option enabled

2020-10-09 Thread Kevin Hise
yed by a player. Guessing that it's likely 1MB / sec or so...so maybe a few seconds can be attached as an email. I'll see what I can come up with. Thanks. --kev On Fri, Oct 9, 2020 at 4:17 PM Carl Eugen Hoyos wrote: > > > > > Am 10.10.2020 um 01:13 schrieb Kevin Hise :

[FFmpeg-user] ffplay with Havision Makito X video encoder, H.264 stream, and "intra refresh" option enabled

2020-10-09 Thread Kevin Hise
I'm looking for some ideas about decoding an H.264 video stream encoded by a Haivision Makito-X encoder and using its "intra refresh" option. When the option is enabled (e.g. turning intra refresh "on") the video decode is delayed by several minutes...perhaps 30 to 45 minutes...I assume because at

Re: [FFmpeg-user] intel hd4000 h264 encoding with vaapi for quicktime - yuv420p possible?

2020-02-28 Thread Kevin Smallman
ct was all screwed up. Perhaps if I just change the -aspect and don't transcode... On Thu, 27 Feb 2020 at 18:37, Kevin Smallman wrote: > > Thanks Carl, > > OK wil try that. > > On Thu, 27 Feb 2020 at 15:24, Carl Eugen Hoyos wrote: > > > > Am Do., 27. Feb. 2020 um

Re: [FFmpeg-user] intel hd4000 h264 encoding with vaapi for quicktime - yuv420p possible?

2020-02-27 Thread Kevin Smallman
Thanks Carl, OK wil try that. On Thu, 27 Feb 2020 at 15:24, Carl Eugen Hoyos wrote: > > Am Do., 27. Feb. 2020 um 16:08 Uhr schrieb Kevin Smallman > : > > > I can encode them successfully on my linux laptop with libx264 cpu > > encoding and -pix_fmt yuv420p option. The

[FFmpeg-user] intel hd4000 h264 encoding with vaapi for quicktime - yuv420p possible?

2020-02-27 Thread Kevin Smallman
Hi there, I have an old powerpc mac that can play h264 mp4 files, but they seem to need to be in yuv420p pixel format so as not to get a black screen. I can encode them successfully on my linux laptop with libx264 cpu encoding and -pix_fmt yuv420p option. The cpu is ivybridge, so the gpu can do

Re: [FFmpeg-user] Setting colour range.

2018-11-29 Thread Kevin Wheatley
from memory only ISO movies have the option of adding the range bit to the ATOM, QuickTime (.mov) does not. Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or

[FFmpeg-user] Audio CODEC question -CVSD

2018-06-13 Thread Kevin Greene
to accomplish the trans-coding but I have not checked to see if the technology is even still made. I was wondering if anyone had any ideas or comments? Thank you. Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-06-04 Thread Kevin Mark
ned to work on it. I can see what I have and submit a patch if you'd like to look at it but it's almost certainly not good to merge. Feel free to take over. Thanks, Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mai

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-05-08 Thread Kevin Mark
I might have a patch submitted by the end of this month. If that's outside your timeline feel free to work on it. On Tue, May 8, 2018 at 5:32 PM, Paul B Mahol wrote: > On 5/8/18, Kevin Mark wrote: >> Hi Paul, >> >> Are you referring to the patch for implementing t

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-05-08 Thread Kevin Mark
Hi Paul, Are you referring to the patch for implementing the .activate API in the concat filter? I don't have an ETA on it now for you, as I've paused my work on it to study for upcoming finals next week. Were you planning on tackling this yourself at some point? Thanks, Kevin On

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-05-03 Thread Kevin Mark
d x264 in the matroska and mp4 containers. As for logs would you like verbose, debug, or trace level? On Thu, May 3, 2018 at 6:04 PM, Carl Eugen Hoyos wrote: > 2018-05-03 23:06 GMT+02:00, Kevin Mark : > >> I'm getting an OOM with the following ffmpeg complex filtergraph: &g

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-05-03 Thread Kevin Mark
Perfect. Thanks so much, Paul. On Thu, May 3, 2018 at 5:46 PM, Paul B Mahol wrote: > On 5/3/18, Kevin Mark wrote: >> Paul, >> >> Okay, sounds like something I might take a stab at. I'm looking through the >> devel list now for anything related. If you have a

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-05-03 Thread Kevin Mark
e anyone listed for that in MAINTAINERS unless it's Nicolas George. Thanks! On Thu, May 3, 2018 at 5:31 PM Paul B Mahol wrote: > On 5/3/18, Kevin Mark wrote: > > Hi Paul, > > > > Thanks for the quick reply. Looks like my suspicions were correct. > > Using the concat

Re: [FFmpeg-user] Conference video-like filtergraph eating memory

2018-05-03 Thread Kevin Mark
require a devout knowledge over the entire codebase) I could look, at some point, make an attempt. On Thu, May 3, 2018 at 5:13 PM, Paul B Mahol wrote: > On 5/3/18, Kevin Mark wrote: >> Hey everyone, >> >> I'm getting an OOM with the following ffmpeg complex filtergraph: >

Re: [FFmpeg-user] SEGV when using VMAF filter.

2018-04-30 Thread Kevin Wheatley
Sent on the go... > On 30 Apr 2018, at 18:58, Carl Eugen Hoyos wrote: > > 2018-04-30 16:33 GMT+02:00, Kevin Wheatley : > >> I note that a similar report was made >> https://trac.ffmpeg.org/ticket/6865 but that was closed. > > Looks like ticket #6866 (which sho

[FFmpeg-user] SEGV when using VMAF filter.

2018-04-30 Thread Kevin Wheatley
n that. I note that a similar report was made https://trac.ffmpeg.org/ticket/6865 but that was closed. I'm happy to provide a patch if somebody could comment on the appropriate method/pattern of behavior for creating and releasing resources during the filte rgraph initialisation steps. Th

Re: [FFmpeg-user] Add time code AND a watermark in one pass

2018-02-27 Thread Kevin Duffey
Hi, thank you for the replies. So here is my current script, and ill past some output below that. It is a windows .bat, but really the for loop is it, the ffmpeg call is the issue. I am NOT attempting to keep the video the same.. e.g. I want to convert it to h.265 AND add the timecode (startin

[FFmpeg-user] Add time code AND a watermark in one pass

2018-02-24 Thread Kevin Duffey
Hi all, I have figured out from various sources how to add a watermark using a png file. Works well enough.   What I also want to do is add timecode at 00:00:00:00 to my video as a text overlay.  I have tried a few variations with the filter_complex, but I cant seem to get past any number of iss

Re: [FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

2017-11-13 Thread Kevin Duffey
If Kevin can share two reasonable sized sample files, I can try the ffmpeg operation in my computer. Using Linux, though. And with sufficent memory: From RAM disk to /dev/null. First of all.. sorry for this again.. I installed Thunderbird.. and it doesnt appear to work well if at all with

Re: [FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

2017-11-13 Thread Kevin Duffey
[quote] > As one of the drives > is an SSD.. this seems ridiculous to me that it is basically moving at > USB2 speeds. At the very least, as it is over a USB 3.1 gen 2, 10Gb/s > wire... it should be much much faster than this. So now I am left > wondering why my system is super slow at copying

Re: [FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

2017-11-12 Thread Kevin Duffey
Are you sure you are using a USB 3 port? My laptop has both USB 2 and USB 3 ports. I use the USB 2 ports for things that aren't as speed sensitive like the dongle for my wireless mouse/keyboard and the USB 3 ports to connect external drives and phones for file transfer. Perhaps you are plugged

Re: [FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

2017-11-12 Thread Kevin Duffey
back then you have been asked if you had turned off all security monitoring for the target folder, such as Windows Defender, to which you haven't replied. ffmpeg is per se not a signed application, which could make utilities like such suspect there is something happening they should keep trackin

Re: [FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

2017-11-12 Thread Kevin Duffey
You may get further advice on this-  top-posting questions tend to draw people (like me) out of the woodwork. OK.. this is my attempt at bottom posting.  I am using yahoo email.. the latest version i guess it is on. When i reply, I am at the top, and I now see the original message collapsed.

[FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

2017-11-11 Thread Kevin Duffey
Hi all, Posted a thread on this a month or so back, still have not been able to make any headway on why this process is so very slow on my system I am posting again because I am in the process of building a threadripper system mostly for video editing 4K DNxHR and eventually RAW footage, and of

Re: [FFmpeg-user] Why is concat so slow on a powerful machine?

2017-10-25 Thread Kevin Duffey
11:53:32 AM PDT, Tim Hiles wrote: On Oct 17, 2017 6:22 PM, "Kevin Duffey" < kevinmduffey-at-yahoo@ffmpeg.org> wrote: Yup. I do not specify the output. I just use the same .mov file extension as the two source files. Is it possible even though I specify -c copy out.mov

[FFmpeg-user] ffmpeg on windows seems to ignore -to

2017-10-20 Thread Kevin Duffey
Hi all, So I am using this simple command on Windows 10 (64-bit) command to cut out a small clip: ffmpeg -i input.mov -ss 00:18:22.0 -to 00:18:44.0 -c copy clip10.mov This *should* give me a 22 second clip.  Instead, it seems to delay for a couple of minutes.. and when I use D option, I see a to

Re: [FFmpeg-user] Why is concat so slow on a powerful machine?

2017-10-19 Thread Kevin Duffey
433.4kbits/s speed=0.229x On Thursday, October 19, 2017, 10:35:52 AM PDT, Christian Johannesen wrote: On Thu, Oct 19, 2017 at 11:51 AM, Kevin Duffey < kevinmduffey-at-yahoo@ffmpeg.org> wrote: >  So I would assume that if I can copy the two files in a matter of seconds > from on

Re: [FFmpeg-user] Why is concat so slow on a powerful machine?

2017-10-19 Thread Kevin Duffey
, Kevin Duffey wrote: >  > Thanks. Sorry I should have included that info. > I have two files.. both are the same.. DNxHR SQ codec. Usually they are about > 45mins each, sometimes different depending on if my battery died while > filming! Sports games. > They reside on an

Re: [FFmpeg-user] Why is concat so slow on a powerful machine?

2017-10-18 Thread Kevin Duffey
size=  176400kB time=00:00:03.08 bitrate=468196.6kbits/s speed=0.621x On Wednesday, October 18, 2017, 1:16:40 AM PDT, Cley Faye wrote: 2017-10-18 3:17 GMT+02:00 Kevin Duffey : > Yup. I do not specify the output. I just use the same .mov file extension > as the two source files. Is it

Re: [FFmpeg-user] Why is concat so slow on a powerful machine?

2017-10-17 Thread Kevin Duffey
e and destination files on the same physical device? P       From: Kevin Duffey To: "ffmpeg-user@ffmpeg.org" Sent: Wednesday, 18 October 2017, 0:57 Subject: [FFmpeg-user] Why is concat so slow on a powerful machine?   Hi all, I understand that the ffmpeg concat will take a series of fil

[FFmpeg-user] Why is concat so slow on a powerful machine?

2017-10-17 Thread Kevin Duffey
Hi all, I understand that the ffmpeg concat will take a series of files, concat them into one file, and update the header info. In my case, I am concating 2 to 4 DNxHR SQ videos into one. I am on a quad core i7, 3.8Ghz, 64GB RAM, full NVMe SSD. Nothing else running. Still, it seems that to conca

[FFmpeg-user] Cold Case

2017-09-25 Thread Kevin Michael Garrity (via Google Drive)
I've shared an item with you: Cold Case https://drive.google.com/drive/folders/0BxhZhuFuLoFGdVBkR0Zpc3d3R2c?usp=sharing&ts=59c86d27 It's not an attachment -- it's stored online. To open this item, just click the link above. Here is a link to shared files on my google drive. Here's a video fi

[FFmpeg-user] Cold Case

2017-09-25 Thread Kevin Michael Garrity
What syntax do I use in the command to set the buffer files. One file completed but 2 other file stop due to files to large for buffer. Error message: VBV buffer size not set, using default size of 130kb. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.or

[FFmpeg-user] Cold Case

2017-09-25 Thread Kevin Michael Garrity
To Carl Eugen Hoyos, Thanks for expertise I appreciate it. I will keep you informed on my progress. Can I buy a book somewhere so I can learn how to use this program. Thanks again ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg

[FFmpeg-user] Cold Case

2017-09-24 Thread Kevin Michael Garrity (via Google Drive)
I've shared an item with you: Cold Case https://drive.google.com/drive/folders/0BxhZhuFuLoFGdVBkR0Zpc3d3R2c?usp=sharing&ts=59c88897 It's not an attachment -- it's stored online. To open this item, just click the link above. Cold Case, Sorry for the confusion. I am sending a link to my g

Re: [FFmpeg-user] FFMPEG and OCIO

2017-01-20 Thread Kevin Wheatley
figuration files involve complex sets of transformations from one colour space to the next including custom colour adjustments based on per shot contexts, unless FFmpeg wants to host a potentially uncountable set of colour spaces and conversions it do

Re: [FFmpeg-user] FFMPEG and OCIO

2017-01-20 Thread Kevin Wheatley
well with FFmpeg. It would be similar to adding ICC profile based colour management support except most CMS engines are integer based so might fit together easier. Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listi

Re: [FFmpeg-user] OpenEXR input with cropped data window produces black output

2017-01-05 Thread Kevin Wheatley
As a partial fix I've submitted a patch here: https://ffmpeg.org/pipermail/ffmpeg-devel/2017-January/205267.html That fixes the simple cases. Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-use

Re: [FFmpeg-user] OpenEXR input with cropped data window produces black output

2017-01-03 Thread Kevin Wheatley
ck is called, before this commit ptr would have been incremented for each line in the data window, now after the commit it is left at the start of the first included line rather than the line after the data window then the code sets the remaining lines to 0 and thus the whole image is over written.

[FFmpeg-user] OpenEXR input with cropped data window produces black output

2017-01-03 Thread Kevin Wheatley
c. If I use a file where data window and display window are the same I get the correct output. Thanks Kevin ffmpeg -y -loglevel debug -apply_trc linear -i /tmp/exr_test.%04d.exr -c:v libx264 /tmp/test.mov ffmpeg version n3.2.2 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 4.4.7 (G

Re: [FFmpeg-user] dpx to prores & h.264 - color shift

2016-10-13 Thread Kevin Wheatley
Andreas, instead of using the -colormatrix option try instead using -vf scale=in_range=full:in_color_matrix=bt709:out_range=tv:out_color_matrix=bt709 assuming your DPX files are utilising full range encoding Kevin ___ ffmpeg-user mailing list

Re: [FFmpeg-user] drawtext 4:3 vs 16:9

2016-05-16 Thread Kevin Wells
> Date: Sat, 14 May 2016 22:52:29 +0200 > From: naser.sonb...@gmail.com > To: ffmpeg-user@ffmpeg.org > Subject: [FFmpeg-user] drawtext 4:3 vs 16:9 > > Hi, > > I need help with filter_complex and drawtext. > drawtext on aspect 4:3 are correct but drawtext on aspect 16:9 are > stretched. > > thx f

Re: [FFmpeg-user] -vf Colorspace filter - 'Unknown input primaries 2' error

2016-05-13 Thread Kevin Wheatley
hing you may need to adjust for the creative white used to make the DCP using a modified von kries chromatic adaptation - assuming you know the creative white point. Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/list

Re: [FFmpeg-user] Unknown channel layouts not supported

2016-02-05 Thread Kevin Wells
> From: l...@lrcd.com > To: ffmpeg-user@ffmpeg.org > Date: Fri, 5 Feb 2016 15:00:58 -0900 > Subject: Re: [FFmpeg-user] Unknown channel layouts not supported > > On Fri, Feb 5, 2016, at 12:06 PM, Kevin Wells wrote: > > Just saw it was fixed, preparing a patch

Re: [FFmpeg-user] Unknown channel layouts not supported

2016-02-05 Thread Kevin Wells
> From: l...@lrcd.com > To: ffmpeg-user@ffmpeg.org > Date: Fri, 5 Feb 2016 11:44:41 -0900 > Subject: Re: [FFmpeg-user] Unknown channel layouts not supported > > On Thu, Feb 4, 2016, at 09:46 PM, Kevin Wells wrote: > > > > Thanks for creating the ticket Carl. Sorry

Re: [FFmpeg-user] Unknown channel layouts not supported

2016-02-04 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Thu, 4 Feb 2016 22:29:29 + > Subject: Re: [FFmpeg-user] Unknown channel layouts not supported > > Kevin Wells hotmail.co.uk> writes: > > > I am using filter complex to split and pan audio channels,

[FFmpeg-user] Unknown channel layouts not supported

2016-02-04 Thread Kevin Wells
Hi, I am using filter complex to split and pan audio channels, but on a 10 channel file I am getting the error "Cannot select channel layout for the link between filters auto-inserted resampler 0 and Parsed_asplit_0. Unknown channel layouts not supported, try specifying a channel layout using '

[FFmpeg-user] mp4 Multichannel

2016-01-22 Thread Kevin Wells
Hi, I am converting an 8 channel Prores file to mp4 (5.1 + 2.0), although the input files are from different sources. The resulting mp4 file has a silent track. I am checking this by creating a Prores file with 8 channels of audio which has a tone running from one channel to the next and then us

Re: [FFmpeg-user] Why is it possible to set a timecode with 24:00:00:00 and beyond?

2016-01-22 Thread Kevin Wheatley
The ITU has the following freely available https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.1366-0-199802-S!!PDF-E.pdf so at best tens of hours has 2 bits of BCD Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman

Re: [FFmpeg-user] mp4 encode 1 frame out of sync

2016-01-20 Thread Kevin Wells
From: kevwe...@hotmail.co.uk To: ffmpeg-user@ffmpeg.org Subject: mp4 encode 1 frame out of sync Date: Fri, 15 Jan 2016 13:09:54 + Hi, I am encoding a Quicktime Prores file to mp4 using the below settings. In the resulting file, the audio is 1 frame out of sync, audio comes in 1 frame early,

[FFmpeg-user] ffmpeg pipe in python - pipe:: Operation not permitted

2016-01-20 Thread Kevin Wells
Hi, I am having trouble getting an ffmpeg pipe to work using VapourSynth and Python Popen commands (I know this may not be the place to ask this, but I am out of ideas). Running the pipe command on its own on Windows terminal it works correctly. Here is the python commands:import subprocess impo

[FFmpeg-user] mp4 encode 1 frame out of sync

2016-01-15 Thread Kevin Wells
Hi, I am encoding a Quicktime Prores file to mp4 using the below settings. In the resulting file, the audio is 1 frame out of sync, audio comes in 1 frame early, cutting off the first frame and adding 1 silent frame to the end (see attached screen grab)."F:\ffmpeg copy\ffmpeg-20160115-git-b58cf

Re: [FFmpeg-user] HDR 4K support in ffmpeg

2015-12-17 Thread Kevin Wheatley
functions doing the correct thing. You will need to flag which ever image state you have using '-color_trc' as well - using color_trc would apply if you have already correctly encoded images in the cases when ffmpeg is unable to determine the correct value

[FFmpeg-user] libfdk_aac keep audio layout

2015-12-02 Thread Kevin Wells
Hi, I am trying to encode an H.264 transport stream with aac audio and retain the audio layout of the input file, which is:0:0 - video0:1 - mono0:2 - mono0:3 - mono0:4 - mono0:5 - mono0:6 - mono0:7 - stereoWith the below settings my output file contains 7 mono files, instead of 6 mono's and 1 st

Re: [FFmpeg-user] maintaining full swing when encoding in 10 bit (want to preserve all values from 0-1023)

2015-11-10 Thread Kevin Wheatley
ou may get something closer to what you need without needing the recompile. Kevin On Mon, Nov 9, 2015 at 7:08 PM, Marwan Daar wrote: > thanks Paul. I'm not sure how to do that though. I found this: > > https://github.com/sekrit-twc/zimg > > but have no idea how to incorporate thi

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-28 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Wed, 28 Oct 2015 22:48:48 + > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > Kevin Wells hotmail.co.uk> writes: > > > Hi Carl, now we've established this issue, > > I be

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-28 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Tue, 27 Oct 2015 14:08:06 + > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > Moritz Barsnick gmx.net> writes: > > > With my means and the (very) little knowledge of > > the MOV format I have, I couldn't yet detect the

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-28 Thread Kevin Wells
> Date: Tue, 27 Oct 2015 17:42:35 +0100 > From: barsn...@gmx.net > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > On Tue, Oct 27, 2015 at 14:17:45 +, Kieran O Leary wrote: > > Perhaps mediatrace would be worth a shot? https://mediaarea.net/mediatrace/ >

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-27 Thread Kevin Wells
> Date: Tue, 27 Oct 2015 14:39:42 +0100 > From: barsn...@gmx.net > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > On Tue, Oct 27, 2015 at 13:31:30 +, Kevin Wells wrote: > > Let me know if you need anything else, testing pa

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-27 Thread Kevin Wells
> Date: Mon, 26 Oct 2015 11:55:59 +0100 > From: barsn...@gmx.net > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > On Mon, Oct 26, 2015 at 10:29:31 +, Kevin Wells wrote: > > Hi Mortiz, thanks for your reply, I have emailed y

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-26 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Mon, 26 Oct 2015 08:17:17 + > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > Kevin Wells hotmail.co.uk> writes: > > > Hi, I am trying to specify a single mono channel to be > > nam

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-26 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Mon, 26 Oct 2015 10:36:36 + > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > Kevin Wells hotmail.co.uk> writes: > > > We deliver Quicktime Prores files with embedded audio > > t

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-26 Thread Kevin Wells
> Date: Mon, 26 Oct 2015 10:30:23 +0100 > From: barsn...@gmx.net > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > On Mon, Oct 26, 2015 at 09:15:05 +, Kevin Wells wrote: > > We deliver Quicktime Prores files with embed

Re: [FFmpeg-user] Specify FC instead of mono‏

2015-10-26 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Mon, 26 Oct 2015 08:17:17 + > Subject: Re: [FFmpeg-user] Specify FC instead of mono‏ > > Kevin Wells hotmail.co.uk> writes: > > > Hi, I am trying to specify a single mono channel to be > > nam

[FFmpeg-user] Specify FC instead of mono‏

2015-10-26 Thread Kevin Wells
Sent again to correct formatting. Hi, I am trying to specify a single mono channel to be named 'Center' when viewed in Quicktime player, I know that technically specifying FC is mono, but in my user case I need it to actually be named 'Center', not 'Mono'. Is there someone who would kindly help

[FFmpeg-user] Specify FC instead of mono

2015-10-26 Thread Kevin Wells
Hi, I am trying to specify a single mono channel to be named 'Center' when viewed in Quicktime player, I know that technically specifying FC is mono, but in my user case I need it to actually be named 'Center', not 'Mono'. Is there someone who would kindly help me resolve this issue please, as I

Re: [FFmpeg-user] Converting a 23.98p source to 29.97i ProRes w/interlaced 3:2 pulldown?

2015-10-25 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Sun, 25 Oct 2015 13:59:21 + > Subject: Re: [FFmpeg-user] Converting a 23.98p source to 29.97i ProRes > w/interlaced 3:2 pulldown? > > Kevin Wells hotmail.co.uk> writes: > > > ffmpeg -i

Re: [FFmpeg-user] Converting a 23.98p source to 29.97i ProRes w/interlaced 3:2 pulldown?

2015-10-25 Thread Kevin Wells
> From: melmatsu...@gmail.com > Date: Sat, 24 Oct 2015 20:49:11 -1000 > To: ffmpeg-user@ffmpeg.org > Subject: [FFmpeg-user] Converting a 23.98p source to 29.97i ProRes > w/interlaced 3:2 pulldown? > > I'm trying to convert 23.98p ProRes QuickTime (.mov) files to interlaced > 29.97 ProRes file

Re: [FFmpeg-user] Channel layout flags

2015-10-20 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: james.heli...@gmail.com > Date: Tue, 20 Oct 2015 14:39:33 -0700 > Subject: Re: [FFmpeg-user] Channel layout flags > > On 10/20/2015 2:30 PM, Kevin Wells wrote: > >> From: kevwe...@hotmail.co.uk > >> To: ffmpeg-user@ffmpeg.o

Re: [FFmpeg-user] Channel layout flags

2015-10-20 Thread Kevin Wells
> From: kevwe...@hotmail.co.uk > To: ffmpeg-user@ffmpeg.org > Date: Tue, 20 Oct 2015 20:14:31 + > Subject: [FFmpeg-user] Channel layout flags > > Hi, I posted this incorrectly on the dev list, so posting in the correct > place with corrections. > I am looking for a patch, or solution, to my p

[FFmpeg-user] Channel layout flags

2015-10-20 Thread Kevin Wells
Hi, I posted this incorrectly on the dev list, so posting in the correct place with corrections. I am looking for a patch, or solution, to my problem. When using the below Channel layout flags, in the resulting Quicktime Prores file, in the audio channels, the FC, DL and DR all come out flagged

[FFmpeg-user] Specify channel layout flags

2015-10-19 Thread Kevin Wells
I have the below file which I am re-mapping the audio and trying to set the channel layout flags in a Quicktime Prores file, but can't seem to get it working. I can successfully re-map the audio (from 8 descrete to 6 monos+stereo) but I can't seem to set the channel layout flags for the 6 monos

[FFmpeg-user] cutting and merging video and audio with different audio configs

2015-10-17 Thread Kevin Wells
Hi, I have two videos which I want to cut and concatenate together but they have different audio configurations.Clip1 has: video, mono, mono, mono, mono, mono, mono, stereo. Clip2 has: video, stereo, mono, mono, mono, mono, mono, mono. I want to take clip 1 and cut it, -ss 38.75 -to 46.25 and t

[FFmpeg-user] ffplay rtmp redirect?

2015-08-15 Thread kevin
Does ffplay supports rtmp redirects? for example ffplay is playing movie_a: ffplay rtmp://xx.com/movie/movie_a any rtmp server can redirect clients of movie/movie_a are redirected to movie/movie_b; does ffplay support this? ___ ffmpeg-user mailing li

[FFmpeg-user] Compile ffmpeg with libass on Windows

2015-07-09 Thread Kevin Wells
Hi, I have previously followed a guide, but now need to add libass support for a Windows ffmpeg compile, but can't find a guide of how to do this. Does anyone know of any guides to follow on windows to do this please? Kind regards. ___

[FFmpeg-user] Using FFmpeg for horizontal video stitching for 3D video

2015-06-09 Thread Kevin Bergemann
Hello, I'm trying to use ffmpeg to stitch two videos into a stereoscopic vid for use on Oculus. I'm using the current binary for Mac, following the tutorial at http://www.kolor.com/wiki-en/action/view/Autopano_Video_-_How_to_create_3D_360_videos_v2 The over/under stitching works with this comman

Re: [FFmpeg-user] Color Shift -- dpx to prores

2015-06-09 Thread Kevin Wheatley
You might want to use the colr atom then, adding options similar to: -color_trc bt709 -colorspace bt709 -color_primaries bt709 -movflags +write_colr just prior to your output filename, obviously you should select the appropriate options, but those are usually a good starting point. Kevin

Re: [FFmpeg-user] Color Shift -- dpx to prores

2015-06-09 Thread Kevin Wheatley
lor_matrix=bt709 almost all prores will expect to be bt709 for the colour matrix. Kevin ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Color Shift -- dpx to prores

2015-06-08 Thread Kevin Wheatley
You may want to also try -vf scale=out_color_matrix=bt709 instead of the colormatrix as that might give you better quality as ProRes is 10 bit, in addition to the options Carl suggested to write the color atom. Kevin ___ ffmpeg-user mailing list ffmpeg

Re: [FFmpeg-user] Private Options for prores-ks

2015-06-02 Thread Kevin Wells
> Date: Tue, 2 Jun 2015 15:38:06 +0200 > From: barsn...@gmx.net > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Private Options for prores-ks > > On Fri, May 22, 2015 at 14:53:52 +, Kevin Wells wrote: > >> I am

Re: [FFmpeg-user] Private Options for prores-ks

2015-06-02 Thread Kevin Wells
> Date: Tue, 2 Jun 2015 15:38:06 +0200 > From: barsn...@gmx.net > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Private Options for prores-ks > > On Fri, May 22, 2015 at 14:53:52 +, Kevin Wells wrote: > >> I am

Re: [FFmpeg-user] Private Options for prores-ks

2015-06-02 Thread Kevin Wells
> From: xan...@apost.plala.or.jp > Date: Tue, 2 Jun 2015 22:30:50 +0900 > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Private Options for prores-ks > > >> 2015/06/02 21:02, Kevin Wells wrote: >> >>> I am

Re: [FFmpeg-user] Private Options for prores-ks

2015-06-02 Thread Kevin Wells
> From: kevwe...@hotmail.co.uk > To: ffmpeg-user@ffmpeg.org > Date: Fri, 22 May 2015 14:53:52 + > Subject: [FFmpeg-user] Private Options for prores-ks > > In the ffmpeg documentation, there is: > > vendor string - Override the 4-byte vendor ID. A custom

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-28 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Thu, 28 May 2015 10:18:45 + > Subject: Re: [FFmpeg-user] HD > SD Down-Convert Prores Color > > Kevin Wells hotmail.co.uk> writes: > > > Actually all my input files are 8 bit, so perhaps this >

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-27 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Tue, 26 May 2015 21:10:47 + > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > Kevin Wells hotmail.co.uk> writes: > >>> (My questi

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-26 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Tue, 26 May 2015 21:10:47 + > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > Kevin Wells hotmail.co.uk> writes: > >>> (My questi

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-26 Thread Kevin Wells
> From: kevwe...@hotmail.co.uk > To: ffmpeg-user@ffmpeg.org > Date: Tue, 26 May 2015 18:44:48 + > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > >> To: ffmpeg-user@ffmpeg.org >> From: ceho...@ag.o

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-26 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Tue, 26 May 2015 16:37:24 + > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > Unfortunately, the colormatrix filter only works with eight bit, so > we are back where we original

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-25 Thread Kevin Wells
er@ffmpeg.org >> From: ceho...@ag.or.at >> Date: Thu, 21 May 2015 10:56:58 + >> Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color >> >> Kevin Wells hotmail.co.uk> writes: >> >>> Stream #0:0(eng): Video: prores (apch / 0x68637061), >&g

[FFmpeg-user] Private Options for prores-ks

2015-05-22 Thread Kevin Wells
In the ffmpeg documentation, there is: vendor string - Override the 4-byte vendor ID. A custom vendor ID like apl0 would claim the stream was produced by the Apple encoder. I am using this option but when opening the output file up in Quicktime 10 (Yosemite), the file shows the format as Lavc56

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-22 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Thu, 21 May 2015 10:56:58 + > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > Kevin Wells hotmail.co.uk> writes: > >> Stream #0:0(eng):

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-21 Thread Kevin Wells
> To: ffmpeg-user@ffmpeg.org > From: ceho...@ag.or.at > Date: Thu, 21 May 2015 10:56:58 + > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > Kevin Wells hotmail.co.uk> writes: > >> Stream #0:0(eng):

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

2015-05-21 Thread Kevin Wells
er@ffmpeg.org >> From: ceho...@ag.or.at >> Date: Wed, 20 May 2015 14:58:19 + >> Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color >> >> Kevin Wells hotmail.co.uk> writes: >> >>> the out.mov is still flagged as bt709, but needs to be bt601. &

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