Re: [FFmpeg-user] The future of video

2024-07-17 Thread MacFH - C E Macfarlane - News
On 17/07/2024 01:01, Mark Filipak wrote: On 16/07/2024 19.40, MacFH - C E Macfarlane - News wrote: On 17/07/2024 00:02, Mark Filipak wrote:    To match human persistence of vision, the refresh rate of individual pels actually needs to be no greater than 10 or 12 refreshes per second. Only

Re: [FFmpeg-user] The future of video

2024-07-16 Thread MacFH - C E Macfarlane - News
On 17/07/2024 00:02, Mark Filipak wrote:   To match human persistence of vision, the refresh rate of individual pels actually needs to be no greater than 10 or 12 refreshes per second. Only the dots that change need be refreshed and only to the extent that they change. Of course, if sub-dots ar

Re: [FFmpeg-user] the trim filter

2024-07-05 Thread MacFH - C E Macfarlane - News
As Paul has had over an hour to respond to my PM and has failed to do so, I'll repeat it here ... On 05/07/2024 12:54, Paul B Mahol wrote: On Fri, Jul 5, 2024 at 2:09 AM Mark Filipak wrote: On 04/07/2024 17.12, Paul B Mahol wrote: Its in documentation: asetpts=N/SR/TB, assuming everything s

Re: [FFmpeg-user] Resolve (was Re: key frame)

2024-06-29 Thread MacFH - C E Macfarlane - News
On 29/06/2024 23:30, MediaMouth wrote: On Jun 29, 2024, at 18:21, MacFH - C E Macfarlane - News wrote: On 29/06/2024 22:35, Mark Filipak wrote: 2 - There is a web site that shows your open ports. I can't remember the name. Sorry. I did tests to prove open ports are readily seen.

Re: [FFmpeg-user] Resolve (was Re: key frame)

2024-06-29 Thread MacFH - C E Macfarlane - News
On 29/06/2024 22:35, Mark Filipak wrote: 2 - There is a web site that shows your open ports. I can't remember the name. Sorry. I did tests to prove open ports are readily seen. I did not have to reconfigure the router to do the tests. The site uses your IP to probe. Gibson Research, follow the

Re: [FFmpeg-user] key frame

2024-06-29 Thread MacFH - C E Macfarlane - News
On 27/06/2024 21:39, Mark Filipak wrote: I'm considering buying professional video software to evaluate and analyze FFmpeg trims and splices and for troubleshooting. My objective is to improve my edits, and to improve FFmpeg. I'm retired, I have plenty of time, I have plenty of money. From her

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread MacFH - C E Macfarlane - News
On 26/06/2024 00:10, MacFH - C E Macfarlane - News wrote: On 25/06/2024 20:17, Paul B Mahol wrote: On Tue, Jun 25, 2024 at 7:55 PM MacFH - C E Macfarlane - News < n...@macfh.co.uk> wrote: On 25/06/2024 18:28, Paul B Mahol wrote: On Tue, Jun 25, 2024 at 6:57 PM Mark Filipak Viru

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread MacFH - C E Macfarlane - News
On 25/06/2024 18:28, Paul B Mahol wrote: On Tue, Jun 25, 2024 at 6:57 PM Mark Filipak VirusTotal reports that Google, Sophos, and Ikarus all say that the MSI contains a virus trojan. The other virus scanners _may_ be reporting on the payload, _not_ the MSI. Its not virus, its just their sil

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread MacFH - C E Macfarlane - News
On 25/06/2024 17:03, Paul B Mahol wrote: On Tue, Jun 25, 2024 at 5:49 PM Mark Filipak wrote: On 20/06/2024 03.30, Paul B Mahol wrote: On Wed, Jun 19, 2024 at 11:25 PM Paul B Mahol wrote: https://www.jongbel.com/automated-validation/mpeg-2-video-validation/ The above URL is too vague to b

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread MacFH - C E Macfarlane - News
On 19/06/2024 23:38, Mark Filipak wrote: On 19/06/2024 16.58, MacFH - C E Macfarlane - News wrote: Apologies to Jim DeLaHunt for initially replying to him directly rather than to the list as I had intended to do ... On 19/06/2024 20:48, Jim DeLaHunt wrote: On 2024-06-19 10:25, Paul B Mahol

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread MacFH - C E Macfarlane - News
On 19/06/2024 23:40, Bouke / Videotoolshed wrote: On 20 Jun 2024, at 00:31, MacFH - C E Macfarlane - News wrote: I've been following this list for a very long time, at least a decade I think. AFAICR, I have posted in the past, but not for a quite a while as I've been busy w

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread MacFH - C E Macfarlane - News
On 19/06/2024 23:13, Bouke / Videotoolshed wrote: Well Charles, please introduce yourself, and explain why I never ever have heard from you before. (I’ll take your advise under…) I've been following this list for a very long time, at least a decade I think. AFAICR, I have posted in the past,

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread MacFH - C E Macfarlane - News
On 19/06/2024 23:02, Bouke / edit 'B wrote: May I suggest that MacFH - C E Macfarlane - News Is in fact Mark Fillipak with an alternative e-mail address? I could be wrong of course, but please, proof me wrong. How to klll a troll? No, I am not, but feel free to kill yourself by any

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread MacFH - C E Macfarlane - News
On 19/06/2024 22:19, Paul B Mahol wrote: On Wed, Jun 19, 2024 at 10:59 PM MacFH - C E Macfarlane - News < n...@macfh.co.uk> wrote: Apologies to Jim DeLaHunt for initially replying to him directly rather than to the list as I had intended to do ... On 19/06/2024 20:48, Jim DeLaHunt wrote

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread MacFH - C E Macfarlane - News
Apologies to Jim DeLaHunt for initially replying to him directly rather than to the list as I had intended to do ... On 19/06/2024 20:48, Jim DeLaHunt wrote: On 2024-06-19 10:25, Paul B Mahol wrote: It could be ffmpeg libavformat m2ts demuxer bug. Get the m2ts stream inspector tool to confirm

Re: [FFmpeg-user] Removing parts of a video using the select filter

2022-01-09 Thread MacFH - C E Macfarlane - News
On 08/01/2022 23:43, amindfv--- via ffmpeg-user wrote: On Sat, Jan 08, 2022 at 08:20:46PM +, MacFH - C E Macfarlane - News wrote: To select parts of a video, I use ... FFMPEG -ss -i -codec copy -to ... however it's tedious, because with this method the video will only bre

Re: [FFmpeg-user] Removing parts of a video using the select filter

2022-01-08 Thread MacFH - C E Macfarlane - News
On 08/01/2022 19:38, Simon van Bernem via ffmpeg-user wrote: ffmpeg -i input.mkv     -vf "select='1-between(t,20,25)-between(t,100,200)     -between(t,220,300)-between(t,400,600)-between(t,750,800)     -between(t,820,860)-between(t,880,900)-between(t,1000,1200)     -gt(t,1500)'"     -af "as

Re: [FFmpeg-user] Compiling FFMPEG 2.8.7 fails testing

2016-09-04 Thread MacFH - C E Macfarlane
user questions > Subject: Re: [FFmpeg-user] Compiling FFMPEG 2.8.7 fails testing > > Hi! > > 2016-08-25 13:26 GMT+02:00 MacFH - C E Macfarlane > : > > I know that this group only applies to latest gits, but I'm not ready > > to use FFMPEG v3, and so am using the l

[FFmpeg-user] Compiling FFMPEG 2.8.7 fails testing

2016-08-25 Thread MacFH - C E Macfarlane
I know that this group only applies to latest gits, but I'm not ready to use FFMPEG v3, and so am using the last version of 2, and searching for this error didn't find anything useful, so I hope you can help ... I'm trying to test an apparently successful compilation of FFMPEG v2.8.7 on a NAS with

Re: [FFmpeg-user] Accurate Trimming Without Transcoding

2016-03-08 Thread C E Macfarlane
Oops, see error correction below ... www.macfh.co.uk/CEMH.html > As Carl has pointed out, it is not possible just to throw > away the leading frames, but what could be done, and would be > very useful, is, where codec copying has been seleceted, to > re-encode only the leading

Re: [FFmpeg-user] Accurate Trimming Without Transcoding

2016-03-07 Thread C E Macfarlane
Please see below ... www.macfh.co.uk/CEMH.html > Is it possible to achieve frame accurate trimming of clips without > transcoding? > > e.g. if I have a 50 fps file with a fixed gop of 50 frames > and I'd like to > trim the first 24 frames without transcoding. Shouldn't f

Re: [FFmpeg-user] Errors running 'make check' when openh264 enabled

2015-10-22 Thread C E Macfarlane
Thanks, all working now ... www.macfh.co.uk/CEMH.html > Am 21.10.2015 um 22:47 schrieb C E Macfarlane: > > Please see below ... > > > > I can install that via synaptic, but how do I tell ffmpeg to use it? > > what about enable the dev-package

Re: [FFmpeg-user] Errors running 'make check' when openh264 enabled

2015-10-21 Thread C E Macfarlane
Please see below ... www.macfh.co.uk/CEMH.html > Am 21.10.2015 um 14:26 schrieb C E Macfarlane: > >> > --enable-libopenh264 > >> > >> Just to make sure: You know that this is not the > >> best h264 encoder availa

Re: [FFmpeg-user] Errors running 'make check' when openh264 enabled

2015-10-21 Thread C E Macfarlane
Many thanks, please see below ... www.macfh.co.uk/CEMH.html > > --enable-libopenh264 > > Just to make sure: You know that this is not the > best h264 encoder available? What do you recommend? > > Both './configure' and 'make' complete, but > > 'make check' errors wit

[FFmpeg-user] Errors running 'make check' when openh264 enabled

2015-10-20 Thread C E Macfarlane
, but 'make check' still fails with the same error. What should I do? Thanks and regards, C E Macfarlane www.macfh.co.uk/CEMH.html ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-11-12 Thread C E Macfarlane
Works with gcc 4.6.3 Thanks www.macfh.co.uk/CEMH.html UK Residents: If you feel can possibly support it please sign the following ePetition before closing time of 30/03/2015 23:59:- http://epetitions.direct.gov.uk/petitions/71556 ___ ffmpeg-user ma

Re: [FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-11-11 Thread C E Macfarlane
Using same configuration command as above, didn't complete make: CC libavcodec/aacdec.o libavcodec/aacdec.c: In function 'decode_ics': libavcodec/aacdec.c:1987: internal compiler error: in reg_overlap_mentioned_p, at rtlanal.c:1398 Please submit a full bug report, with preprocessed source if

Re: [FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-11-11 Thread C E Macfarlane
> With identical, do you mean that you still > get an error concerning fminf()? > In this case, you probably tested an old > version. Yes: ffmpeg-2.4.2$ export CCPREFIX="/home/Embedded/crosstool/mipsel-unknown-linux-uclibc/bin/mipsel-un known-linux-uclibc-" ffmpeg-2.4.2$ ./config

Re: [FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-11-11 Thread C E Macfarlane
JFTR, I've finally managed to compile ffmpeg for MIPSEL UCLibc using a third method, the second using cross-compilation, and the results were identical to the previous cross-compilation. This indicates to me that the problem lies in the ffmpeg source code and/or configuration itself. Accordingly,

Re: [FFmpeg-user] ffmpeg4android and missing math functions

2014-10-29 Thread C E Macfarlane
un...@ffmpeg.org]On Behalf Of Carl Eugen Hoyos > Sent: 29 October 2014 09:32 > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] ffmpeg4android and missing math functions > > > C E Macfarlane macfh.co.uk> writes: > > > https://ffmpeg.org/pipe

Re: [FFmpeg-user] ffmpeg4android and missing math functions

2014-10-28 Thread C E Macfarlane
There are similar problems compiling FFMPEG on MIPS/UCLibc See: https://ffmpeg.org/pipermail/ffmpeg-user/2014-August/023120.html I have now got the same errors by two completely different methods ... 1) Compiling with the native GCC on the target device 2) Compiling with

Re: [FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-09-02 Thread C E Macfarlane
o.uk/CEMH.html > -Original Message- > From: ffmpeg-user-boun...@ffmpeg.org > [mailto:ffmpeg-user-boun...@ffmpeg.org]On Behalf Of Carl Eugen Hoyos > Sent: 27 August 2014 13:12 > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Errors Compiling

Re: [FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-08-27 Thread C E Macfarlane
Many thanks for the much needed reply, please see below ... 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. > C E Macfarlane macfh.co.uk> writes: > > > I've tried: &

[FFmpeg-user] Errors Compiling FFMPEG on MIPS

2014-08-26 Thread C E Macfarlane
As per this thread here ... http://ffmpeg.gusari.org/viewtopic.php?f=8&t=1638 ... I am having trouble compiling FFMpeg on a mips QNAP NMP-1000. As it is already beginning to look unlikely that I'll get any help in that thread I'm wondering if anyone here can help me? To recap briefly ...