On Mon, Feb 12, 2024 at 2:24 AM Mark Filipak
wrote:
> On 11/02/2024 17.39, Paul B Mahol wrote:
> > On Sun, Feb 11, 2024 at 11:08 PM Mark Filipak <
> markfilipak.i...@gmail.com>
> > wrote:
> >> On 11/02/2024 16.42, Paul B Mahol wrote:
> >>> Codec copy with -ss before -i and after -i is not
On 11/02/2024 17.39, Paul B Mahol wrote:
On Sun, Feb 11, 2024 at 11:08 PM Mark Filipak
wrote:
On 11/02/2024 16.42, Paul B Mahol wrote:
Codec copy with -ss before -i and after -i is not documented that it gives
different results
Does that make sense? I think it's not documented because no
On Sun, Feb 11, 2024 at 11:08 PM Mark Filipak
wrote:
> On 11/02/2024 16.42, Paul B Mahol wrote:
> > Codec copy with -ss before -i and after -i is not documented that it
> gives
> > different results
>
> Does that make sense? I think it's not documented because no one knows how
> to explain the
On 11/02/2024 16.42, Paul B Mahol wrote:
Codec copy with -ss before -i and after -i is not documented that it gives
different results
Does that make sense? I think it's not documented because no one knows how to
explain the results.
because once you do not decode everything from start you
On Sun, Feb 11, 2024 at 10:01 PM Mark Filipak
wrote:
> -- Forgive me if this is a duplicate (trouble with email client, again) --
>
> I think I can help out here, Vincent.
>
> On 11/02/2024 14.53, Vincent Deconinck wrote:
> > Hi,
> >
> > I will probably get flamed because I'm for jumping into
-- Forgive me if this is a duplicate (trouble with email client, again) --
I think I can help out here, Vincent.
On 11/02/2024 14.53, Vincent Deconinck wrote:
Hi,
I will probably get flamed because I'm for jumping into this conversation
while being a complete newbie :-), but I think nobody
I think I can help out here, Vincent.
On 11/02/2024 14.53, Vincent Deconinck wrote:
Hi,
I will probably get flamed because I'm for jumping into this conversation
while being a complete newbie :-), but I think nobody replied with an
answer to Mark's question "why".
Before "why" there's the
On Sun, Feb 11, 2024 at 8:50 PM Mark Filipak
wrote:
> On 11/02/2024 14.28, Paul B Mahol wrote:
> > On Sun, Feb 11, 2024 at 7:12 PM Mark Filipak >
> > wrote:
> >
> >> On 11/02/2024 13.09, Bouke / Videotoolshed wrote:
> >>> So do you, so why ask the question?
> >>> Now go away!
> >>
> >> I do not
On Sun, Feb 11, 2024 at 8:54 PM Vincent Deconinck
wrote:
> Hi,
>
> I will probably get flamed because I'm for jumping into this conversation
> while being a complete newbie :-), but I think nobody replied with an
> answer to Mark's question "why".
>
> All I know is the ffmpeg page on seeking -
>
Hi,
I will probably get flamed because I'm for jumping into this conversation
while being a complete newbie :-), but I think nobody replied with an
answer to Mark's question "why".
All I know is the ffmpeg page on seeking -
https://trac.ffmpeg.org/wiki/Seeking - ends with a paragraph saying:
On 11/02/2024 14.28, Paul B Mahol wrote:
On Sun, Feb 11, 2024 at 7:12 PM Mark Filipak
wrote:
On 11/02/2024 13.09, Bouke / Videotoolshed wrote:
So do you, so why ask the question?
Now go away!
I do not know the answer.
In most cases you will get in most times different results for those
On Sun, Feb 11, 2024 at 7:12 PM Mark Filipak
wrote:
> On 11/02/2024 13.09, Bouke / Videotoolshed wrote:
> > So do you, so why ask the question?
> > Now go away!
>
> I do not know the answer.
>
In most cases you will get in most times different results for those 2
variants.
Only for perfect
On 11/02/2024 13.09, Bouke / Videotoolshed wrote:
So do you, so why ask the question?
Now go away!
I do not know the answer.
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So do you, so why ask the question?
Now go away!
> On 11 Feb 2024, at 19:05, Mark Filipak wrote:
>
> On 11/02/2024 13.00, Bouke / Videotoolshed wrote:
>> Stop trolling.
>> Read in on the subject. You want to write a FFmpeg manual?
>> Go away, don’t spam the rest of us.
>>> On 11 Feb 2024, at
On 11/02/2024 13.00, Bouke / Videotoolshed wrote:
Stop trolling.
Read in on the subject. You want to write a FFmpeg manual?
Go away, don’t spam the rest of us.
On 11 Feb 2024, at 18:47, Mark Filipak wrote:
Command 1:
ffmpeg -ss 10 -copyts -i this.m2ts -map 0 -c copy -sn -dn -muxdelay 0
Stop trolling.
Read in on the subject. You want to write a FFmpeg manual?
Go away, don’t spam the rest of us.
> On 11 Feb 2024, at 18:47, Mark Filipak wrote:
>
> Command 1:
> ffmpeg -ss 10 -copyts -i this.m2ts -map 0 -c copy -sn -dn -muxdelay 0
> that.m2ts
> Command 2:
> ffmpeg -copyts -i
Command 1:
ffmpeg -ss 10 -copyts -i this.m2ts -map 0 -c copy -sn -dn -muxdelay 0 that.m2ts
Command 2:
ffmpeg -copyts -i this.m2ts -map 0 -ss 10 -c copy -sn -dn -muxdelay 0 that.m2ts
Let's ignore all the errors both make. And let's ignore the individual errors that they make
individually.
On Thu, Feb 8, 2024 at 9:34 PM Mark Filipak
wrote:
> On 08/02/2024 15.16, Paul B Mahol wrote:
> >
> > I think, that one of variant use seeking (in container via demuxer) and
> > other one use frame seeking by decoding everything from start using trim
> > filters.
>
> Nope. Neither is decoding --
On 08/02/2024 15.16, Paul B Mahol wrote:
I think, that one of variant use seeking (in container via demuxer) and
other one use frame seeking by decoding everything from start using trim
filters.
Nope. Neither is decoding -- too fast -- as though decoding would/should make a
difference.
On Thu, Feb 8, 2024 at 9:02 PM Mark Filipak
wrote:
> On 08/02/2024 05.40, Paul B Mahol wrote:
> >
> > Read logs and compare, use common sense, brain cells, logic and
> > intelligence.
>
> Thank you, Vladimir Vladimirovich. I'd do that if I had a brain.
>
> Why are they different?
>
I think,
On 08/02/2024 05.40, Paul B Mahol wrote:
Read logs and compare, use common sense, brain cells, logic and
intelligence.
Thank you, Vladimir Vladimirovich. I'd do that if I had a brain.
Why are they different?
--Mark.
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On Thu, Feb 8, 2024 at 1:23 AM Mark Filipak
wrote:
> On 07/02/2024 16.53, Paul B Mahol wrote:
> > On Wed, Feb 7, 2024 at 10:28 PM Mark Filipak >
> > wrote:
> >
> >> Hi Carl,
> >>
> >> On 07/02/2024 13.56, Carl Zwanzig wrote:
> >>> On 2/7/2024 10:34 AM, Mark Filipak wrote:
> Okay. Why are
On 07/02/2024 16.53, Paul B Mahol wrote:
On Wed, Feb 7, 2024 at 10:28 PM Mark Filipak
wrote:
Hi Carl,
On 07/02/2024 13.56, Carl Zwanzig wrote:
On 2/7/2024 10:34 AM, Mark Filipak wrote:
Okay. Why are they different?
Because the containers are different? An mp4 container is not the same
On 07/02/2024 16.53, Paul B Mahol wrote:
On Wed, Feb 7, 2024 at 10:28 PM Mark Filipak
wrote:
Hi Carl,
On 07/02/2024 13.56, Carl Zwanzig wrote:
On 2/7/2024 10:34 AM, Mark Filipak wrote:
Okay. Why are they different?
Because the containers are different? An mp4 container is not the same
On Wed, Feb 7, 2024 at 10:28 PM Mark Filipak
wrote:
> Hi Carl,
>
> On 07/02/2024 13.56, Carl Zwanzig wrote:
> > On 2/7/2024 10:34 AM, Mark Filipak wrote:
> >> Okay. Why are they different?
> >
> > Because the containers are different? An mp4 container is not the same
> as an mkv (or avi or
Hi Carl,
On 07/02/2024 13.56, Carl Zwanzig wrote:
On 2/7/2024 10:34 AM, Mark Filipak wrote:
Okay. Why are they different?
Because the containers are different? An mp4 container is not the same as an mkv (or avi or mpeg),
they must have different demuxers.
They are the same source, same
On 2/7/2024 10:34 AM, Mark Filipak wrote:
Okay. Why are they different?
Because the containers are different? An mp4 container is not the same as an
mkv (or avi or mpeg), they must have different demuxers.
z!
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On 07/02/2024 10.06, Paul B Mahol wrote:
On Wed, Feb 7, 2024 at 2:43 AM Mark Filipak
wrote:
Why are these different?
This is all about seeking, and that depends 10% on internal demuxer
implementation of container.
Okay. Why are they different?
On Wed, Feb 7, 2024 at 2:43 AM Mark Filipak
wrote:
> Why are these different?
>
> Looking only at the first 5 video frames:
>
> ffmpeg -ss 20.061708333 -copyts -i %SOURCE% -map 0 -c copy -sn -dn
> -muxdelay 0 %TARGET%
> produces this:
> 0,2846606,2854113, 3753, 640646, 0x3a5a0c45
>
Why are these different?
Looking only at the first 5 video frames:
ffmpeg -ss 20.061708333 -copyts -i %SOURCE% -map 0 -c copy -sn -dn -muxdelay 0
%TARGET%
produces this:
0,2846606,2854113, 3753, 640646, 0x3a5a0c45
0,2850360,2850360, 3753, 640646, 0xfed1d09a <==
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