On Thu, Feb 27, 2025 at 11:49 PM Vladimir Mishonov via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:
> On 2025-02-28 02:36, Greg Oliver wrote:
>
> > On Thu, Feb 27, 2025 at 11:25 AM Vladimir Mishonov via ffmpeg-user <
> > ffmpeg-user@ffmpeg.org> wrote:
> >
On Thu, Feb 27, 2025 at 11:25 AM Vladimir Mishonov via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:
> So, I've managed to figure out that this may be related to input streams
> having different resolutions.
>
https://ffmpeg.org/pipermail/ffmpeg-user/2024-August/058638.html
> In the meantime, I
On Tue, Jan 14, 2025 at 11:37 AM Shane Warren wrote:
>
> I am transcoding live multicast using hardware (decoding using nvidia and
> encoding using nvidia (h264_nvenc) and going out multicast at fixed framerate
> and constant bitrate. Normally the output is about 3-5 seconds behind the
> input.
On Wed, Aug 21, 2024 at 2:41 PM Terje J. Hanssen
wrote:
>
>
>
> Den 15.08.2024 20:29, skrev Terje J. Hanssen:
> >
> >
> > tor. 15. aug. 2024, 13:27 skrev Wang, Fei W :
> >
> > On Wed, 2024-08-14 at 22:43 +0300, Dennis Mungai wrote:
> > > On Wed, 14 Aug 2024 at 15:27, Terje J. Hanssen
> >
On Thu, Aug 15, 2024 at 12:02 PM Nicolas George wrote:
>
> Ulf Zibis (12024-08-14):
> > But for convenience FFmpeg CLI provides option `-y` for this task
>
> No, it does not. The -y option only disables a very simple, unreliable
> but convenient safety measure. It does not delete anything.
It act
On Wed, Aug 14, 2024 at 10:20 AM Ulf Zibis wrote:
>
>
> Am 12.08.24 um 19:04 schrieb Mark Filipak:
> >
> > That's a question for your operating system. I can change file times to
> > whatever I want via the TotalCommander file browser. There are probably
> > others.
>
> Isn't removing existing o
On Mon, Aug 12, 2024 at 6:06 AM Ulf Zibis via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:
> Hi,
>
> is there an option how to preserve the file time from the input file to
> the outputfile?
> My search for "file time" on https://ffmpeg.org/ffmpeg-all.html was
> resultless.
>
> -Ulf
>
DATE=$(sta
On Sat, Aug 10, 2024 at 7:21 AM Guddla Rupesh wrote:
> Hi I am Rupesh from India and I brought a new desktop pc with ryzen 5500GT
> APU and Asus prime b450 m k2 motherboard. I have installed debian Trixie
> testing Linux distribution and everything is working fine except I have
> some doubts rela
On Tue, Jun 18, 2024 at 9:50 PM Jim DeLaHunt
wrote:
> On 2024-06-18 08:16, Greg Oliver wrote:
>
> > On Tue, Jun 18, 2024 at 9:45 AM Mark Filipak
> > wrote:
> >
> >> …There needs to be a triage facility between ffmpeg-user and trac in
> which
> >> i
On Tue, Jun 18, 2024 at 10:22 AM Mark Filipak
wrote:
> On 18/06/2024 11.16, Greg Oliver wrote:
> > On Tue, Jun 18, 2024 at 9:45 AM Mark Filipak >
> > wrote:
> >
> >> MasterQuestionable appears to be the boss of trac. I don't know whether
> >> Mast
On Tue, Jun 18, 2024 at 9:45 AM Mark Filipak
wrote:
> MasterQuestionable appears to be the boss of trac. I don't know whether
> MasterQuestionable is a
> person or a group. The language from MasterQuestionable is as one would
> find in a chat among peers
> (i.e., developers) who come into the cha
On Sat, Mar 2, 2024 at 9:52 PM Mark Filipak
wrote:
> I have a couple of things to look at.
>
> https://markfilipak.github.io/Video-Object-Notation/Streams.html
>
> https://markfilipak.github.io/Video-Object-Notation/GOP%20%26%20Frame%20Reordering.html
>
> Comments are welcome. Please be brutal. '
On Sun, Feb 18, 2024, 11:04 AM Mark Filipak
wrote:
> On 18/02/2024 11.53, Gyan Doshi via ffmpeg-user wrote:
> > On 2024-02-18 09:59 pm, Mark Filipak wrote:
> >> On 18/02/2024 05.09, Gyan Doshi wrote:
> >>>
> >>> Add -mpegts_flags +initial_discontinuity to get rid of the corrupt
> packet messages.
On Wed, Nov 29, 2023 at 11:56 AM Carl Zwanzig wrote:
> On 11/29/2023 9:18 AM, David Bernat wrote:
> > You misinterpreted the response. I have emailed the correct unsubscribe
> > link several times.
> (emailed a link??? what does that mean?)
>
> In the footer of every message-
> > https://ffmpeg.
On Mon, Nov 6, 2023 at 11:13 AM sreekar manchukonda
wrote:
>
> Hello,
>
> I'm seeking help on how to utilize ffmpeg to apply an extensive number of
> filters—specifically over 2000, each filter including a crop, boxblur, and
> overlay—to a video over an hour long. The intention is to redact certai
On Fri, Oct 20, 2023 at 3:57 PM Ulf Zibis wrote:
>
>
> Am 20.10.23 um 20:14 schrieb Paul B Mahol:
> > On Fri, Oct 20, 2023 at 7:19 PM Ulf Zibis wrote:
> >
> >> Hi,
> >>
> >> in my last post "Codec 0x21000 is not in the full list."
> >> you can see, that also the included metadata is mostly missin
Top Posting On Purpose (with camelCase)
Could you please just stop the conversation here. It is time consuming...
On Wed, Nov 30, 2022 at 10:08 AM Dave Blanchard wrote:
>
>
> > I'm well-versed in "1984" and "Brave New World". "Animal Farm" is still
> > on my to-watch and to-read lists. I'm al
On Fri, Jul 8, 2022 at 5:25 AM jb wrote:
> Hello everybody,
>
> I have a control program which running as a systemd service. This
> program spawns ffmpeg and that is writing to a HLS playlist. I use this
> flags:
>
> -hls_flags append_list+delete_segments+omit_endlist+program_date_time
>
> Th
On Fri, Jul 1, 2022 at 9:03 AM Michael Koch
wrote:
> Hello,
>
> is it possible to show an image with FFplay for 5 seconds, and then
> exit? I did try this command in a Windows batch file, but it doesn't
> stop after 5 seconds. I drag and drop the image on the batch file:
>
> ffplay -autoexit -loo
On Tue, Apr 12, 2022 at 9:34 PM Greg Oliver wrote:
> On Mon, Apr 11, 2022 at 11:28 AM Steve Russell wrote:
>
>> Oh! Of couse... I hadn't considered that... I suspect you're right. Oh
>> well, I've learned something, thanks.
>>
>> I'll just
On Mon, Apr 11, 2022 at 11:28 AM Steve Russell wrote:
> Oh! Of couse... I hadn't considered that... I suspect you're right. Oh
> well, I've learned something, thanks.
>
> I'll just have to live with tweaking the GUI.
>
> Regards, Steve
>
Practically every video capture device uses the video4linu
On Thu, Dec 3, 2020 at 4:45 AM Максим Молодцов
wrote:
> Hello,
>
> I've faced with a strange issue. When I try to get an HLS stream and
> convert it to multicast, like this:
>
> ffmpeg -re -timeout 6000 -m3u8_hold_counters 5 -i
> http://xxx/HLS/HD.m3u8
> > -codec:v copy -codec:a copy -f mpegt
On Wed, Dec 2, 2020 at 11:43 AM Carl Zwanzig wrote:
> On 12/2/2020 9:32 AM, hinderanyoption81 via ffmpeg-user wrote:
> > Upon reading the "Compilation Guide / MSVC on Wiki", I am confused about
> at least three issues.
> > 1. The Guide starts with a sentence "FFmpeg can be built on Windows with
>
On Wed, Oct 14, 2020 at 10:40 AM Will Boba wrote:
> On 10/14/20 11:18 AM, Greg Oliver wrote:
> > sorry just realized I had to redirect stderr to get the results
> >
> > On Wed, Oct 14, 2020 at 10:17 AM Greg Oliver
> wrote:
> >
> >> On Tue, Oct 13, 2020
On Tue, Oct 13, 2020 at 8:50 AM Mar Andrés López
wrote:
> Dear all,
>
>
> I am using the following command to generate dash content from a file:
>
>
> ffmpeg -i video.mp4 –r 25 -c:v libx264 -c:a aac -b:a 128k -ac 1 -ar 44100
> -map v:0 -b:v:0 2M -map v:0 -b:v:1 145k -map v:0 -b:v:2 365k -map 0:a
sorry just realized I had to redirect stderr to get the results
On Wed, Oct 14, 2020 at 10:17 AM Greg Oliver wrote:
> On Tue, Oct 13, 2020 at 8:50 AM Mar Andrés López
> wrote:
>
>> Dear all,
>>
>>
>> I am using the following command to generate dash conten
On Wed, Sep 30, 2020 at 6:25 PM Mark Filipak (ffmpeg)
wrote:
> Nyquist [adjective]: 1, Reference to the Nyquist–Shannon sampling
>theorem. 2, The principle [1] that, to most faithfully reproduce an
>image at a given digital display's resolution, the samples must be
>made at or above t
On Tue, Sep 22, 2020 at 1:14 PM Mark Filipak (ffmpeg)
wrote:
> I could use some help in my efforts. Due to my ignorance, it's taking me
> weeks to figure out things
> that should be resolved in minutes. In 5 days, I'll be 74 years old. With
> corona virus and age, I
> don't know how much longer I
On Mon, May 25, 2020 at 11:58 AM Peter Münster wrote:
> On Mon, May 25 2020, Carl Eugen Hoyos wrote:
>
> > Please provide an input sample.
>
> Here is a sample, this time without corruption:
>
> http://pmrb.free.fr/tmp/ffmpeg-test/sample.mkv
>
> --
>Peter
>
Sorry to chime in late -
On Tue, Apr 21, 2020 at 9:40 PM Edward Park wrote:
> Hi,
>
> > I ended up just keeping it as a script and getting the developers to
> > incorporate it into our code. Thanks though! Since it is a script, a
> > single bash call is not too intrusive. If we had some C programmers, I
> > would have
On Thu, Apr 16, 2020 at 10:19 AM Nicolas George wrote:
> Greg Oliver (12020-04-14):
> > We currently use ffmpeg to combine 2 streams (telephony codecs) into
> > mp3/wav/flac, etc.. This is no problem - we use:
> >
> > ffmpeg -ar 8000 -y -f mulaw -i calls/example.g
On Tue, Apr 14, 2020 at 8:46 PM Michael Glenn Williams <
michael.glenn.willi...@smartblondeco.com> wrote:
> Hey Ted!
>
> Thank you for responding. Regarding -volume, i'm just putting 30
> without the %.
> Regarding -top and -left, my version of ffplay (the latest MAC OSX download
> from the websit
On Wed, Apr 15, 2020 at 5:43 AM Ted Park wrote:
> Hi,
>
> > Yeah, when we record the calls, the directory structure preceeding those
> > names is /MM/DD/HH and the filenames are MIN_SEC_MSEC.codec(side)
>
>
> I mean some phones specifically put g729a, and I assume it's the same for
> g729b. S
On Tue, Apr 14, 2020 at 3:30 PM Ted Park wrote:
> Hi,
>
> > Example using these files (suffix denotes codec - a and b are each side
> of
> > a call):
> >
> > 18_17_248.g729a
> > 18_17_248.g729b
> > 19_18_440.g711a
> > 19_18_440.g711b
> > 20_01_886.g729a
> > 20_01_886.g729b
> >
> That is really co
Hi,
We currently use ffmpeg to combine 2 streams (telephony codecs) into
mp3/wav/flac, etc.. This is no problem - we use:
ffmpeg -ar 8000 -y -f mulaw -i calls/example.g711a.ulaw -ar 8000 -f mulaw
-i calls/example.g711b.ulaw -filter_complex "[0:a][1:a]amerge[aout]" -map
"[aout]" output.wav
If we
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