Bo Berglund writes:
> On Sat, 27 Mar 2021 10:06:03 +0100, Peter White
> wrote:
>
>>> But it all looks the same with the time incrementing at exactly 5 seconds...
>>
>>Looks like someone took extra care to have a static keyframe interval.
>>One can do that. With default codec options x264 won't
On Sat, Mar 27, 2021 at 05:18:18PM +0100, Bo Berglund wrote:
> On Sat, 27 Mar 2021 10:06:03 +0100, Peter White
> wrote:
>
> >> But it all looks the same with the time incrementing at exactly 5
> >> seconds...
> >
> >Looks like someone took extra care to have a static keyframe interval.
> >One
On Sat, 27 Mar 2021 10:06:03 +0100, Peter White wrote:
>> But it all looks the same with the time incrementing at exactly 5 seconds...
>
>Looks like someone took extra care to have a static keyframe interval.
>One can do that. With default codec options x264 won't produce such
>output though.
>
On Sat, Mar 27, 2021 at 09:13:10AM +0100, Bo Berglund wrote:
> On Sat, 27 Mar 2021 02:50:13 +0100, Peter White
> wrote:
>
> >> I tested your command ona typical video file and found that the output
> >> looks
> >> basically like this:
> >>
> >> [FRAME]
> >>
On Sat, Mar 27, 2021 at 09:39:38AM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Bo Berglund writes:
>
> > Worth a check of your computer.
> > It should be able to run at 100% CPU for quite a while in normal
> > surroundings
> > (if the air flow is not obstructed, please check the inlets on
On Sat, Mar 27, 2021 at 08:29:26AM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Peter White writes:
>
> > On Sat, Mar 27, 2021 at 06:18:59AM +0100, Cecil Westerhof via ffmpeg-user
> > wrote:
> >> Peter White writes:
> >>
> >> > On Fri, Mar 26, 2021 at 05:28:40PM +0100, Cecil Westerhof via
Bo Berglund writes:
> On Sat, 27 Mar 2021 08:29:26 +0100, Cecil Westerhof via ffmpeg-user
> wrote:
>
>>Before working with the video I narrowed it. (If I do not my processor
>>gets to hot and the computer shuts down.) There I use crf 23, maybe I
>>should redefine that to 16.
>>
> I also
On Sat, 27 Mar 2021 08:29:26 +0100, Cecil Westerhof via ffmpeg-user
wrote:
>Before working with the video I narrowed it. (If I do not my processor
>gets to hot and the computer shuts down.) There I use crf 23, maybe I
>should redefine that to 16.
>
I also encountered overheating and shutdown
On Sat, 27 Mar 2021 02:50:13 +0100, Peter White wrote:
>> I tested your command ona typical video file and found that the output looks
>> basically like this:
>>
>> [FRAME]
>> best_effort_timestamp_time=3900.00
>> [/FRAME]
>> [FRAME]
>> best_effort_timestamp_time=3905.00
>> [/FRAME]
>>
Peter White writes:
> On Sat, Mar 27, 2021 at 06:18:59AM +0100, Cecil Westerhof via ffmpeg-user
> wrote:
>> Peter White writes:
>>
>> > On Fri, Mar 26, 2021 at 05:28:40PM +0100, Cecil Westerhof via ffmpeg-user
>> > wrote:
>> >> Peter White writes:
>> >>
>> >> > On Fri, Mar 26, 2021 at
Peter White writes:
> On Sat, Mar 27, 2021 at 05:53:56AM +0100, Cecil Westerhof via ffmpeg-user
> wrote:
>> Peter White writes:
>>
>> > On Fri, Mar 26, 2021 at 07:02:13PM +0100, Cecil Westerhof via ffmpeg-user
>> > wrote:
>> >> Carl Zwanzig writes:
>> >>
>> >> > On 3/26/2021 9:28 AM, Cecil
On Sat, Mar 27, 2021 at 05:53:56AM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Peter White writes:
>
> > You can compile it yourself as well. It is not that difficult. Might
> > need to hunt down some libraries, but that is basically just looking at
> > the error messages of configure and
On Sat, Mar 27, 2021 at 06:18:59AM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Peter White writes:
>
> > On Fri, Mar 26, 2021 at 05:28:40PM +0100, Cecil Westerhof via ffmpeg-user
> > wrote:
> >> Peter White writes:
> >>
> >> > On Fri, Mar 26, 2021 at 09:55:21AM +0100, Cecil Westerhof via
On Sat, Mar 27, 2021 at 05:53:56AM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Peter White writes:
>
> > On Fri, Mar 26, 2021 at 07:02:13PM +0100, Cecil Westerhof via ffmpeg-user
> > wrote:
> >> Carl Zwanzig writes:
> >>
> >> > On 3/26/2021 9:28 AM, Cecil Westerhof via ffmpeg-user wrote:
Peter White writes:
> On Fri, Mar 26, 2021 at 05:28:40PM +0100, Cecil Westerhof via ffmpeg-user
> wrote:
>> Peter White writes:
>>
>> > On Fri, Mar 26, 2021 at 09:55:21AM +0100, Cecil Westerhof via ffmpeg-user
>> > wrote:
>> >> I want to publish a speech I gave during a Zoom meeting. But
Carl Eugen Hoyos writes:
> Am Fr., 26. März 2021 um 17:28 Uhr schrieb Cecil Westerhof via
> ffmpeg-user :
>
>> ffmpeg -y -ss 1189 -i 2021-03-25ToastmastersClubAvond.mp4
>> -to 442 -acodec copy -vcodec libx264 -crf 8 -async 1 speech.mp4
>
> The x264 documentation states that there is no good
>
Peter White writes:
> On Fri, Mar 26, 2021 at 07:02:13PM +0100, Cecil Westerhof via ffmpeg-user
> wrote:
>> Carl Zwanzig writes:
>>
>> > On 3/26/2021 9:28 AM, Cecil Westerhof via ffmpeg-user wrote:
>> >> There is only one problem. The video is 7:21 long, but both mpv and
>> >> vlc think it is
On Fri, Mar 26, 2021 at 05:28:40PM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Peter White writes:
>
> > On Fri, Mar 26, 2021 at 09:55:21AM +0100, Cecil Westerhof via ffmpeg-user
> > wrote:
> >> I want to publish a speech I gave during a Zoom meeting. But cutting
> >> it out does not work.
On Fri, Mar 26, 2021 at 07:02:13PM +0100, Cecil Westerhof via ffmpeg-user wrote:
> Carl Zwanzig writes:
>
> > On 3/26/2021 9:28 AM, Cecil Westerhof via ffmpeg-user wrote:
> >> There is only one problem. The video is 7:21 long, but both mpv and
> >> vlc think it is 7:30 long.
> >
> > IME, the
On Fri, Mar 26, 2021 at 04:40:26PM +0100, Bo Berglund wrote:
> On Fri, 26 Mar 2021 10:59:23 +0100, Peter White
> wrote:
>
> >You can use ffprobe to find the keyframe timestamps:
> >
> >ffprobe -select_streams V:0 -show_frames -skip_frame nokey -show_entries
> >frame=best_effort_timestamp_time
Am Fr., 26. März 2021 um 17:28 Uhr schrieb Cecil Westerhof via
ffmpeg-user :
> ffmpeg -y -ss 1189 -i 2021-03-25ToastmastersClubAvond.mp4
> -to 442 -acodec copy -vcodec libx264 -crf 8 -async 1 speech.mp4
The x264 documentation states that there is no good
reason to use "crf 8" and please don't
Carl Zwanzig writes:
> On 3/26/2021 9:28 AM, Cecil Westerhof via ffmpeg-user wrote:
>
>> No, that I cannot do. I cannot publish stuff containing other people.
>
> Well you -can-, may not want to.
I used cannot in the sense that I am not allowed to. ;-)
>> There is only one problem. The video
On 3/26/2021 9:28 AM, Cecil Westerhof via ffmpeg-user wrote:
No, that I cannot do. I cannot publish stuff containing other people.
Well you -can-, may not want to.
There is only one problem. The video is 7:21 long, but both mpv and
vlc think it is 7:30 long.
IME, the metadata length often
Peter White writes:
> On Fri, Mar 26, 2021 at 09:55:21AM +0100, Cecil Westerhof via ffmpeg-user
> wrote:
>> I want to publish a speech I gave during a Zoom meeting. But cutting
>> it out does not work.
>>
>> When I use:
>> ffmpeg -y -i 2021-03-25ToastmastersClubAvond.mp4 -ss 1190 -to 1631
On Fri, 26 Mar 2021 10:59:23 +0100, Peter White wrote:
>You can use ffprobe to find the keyframe timestamps:
>
>ffprobe -select_streams V:0 -show_frames -skip_frame nokey -show_entries
>frame=best_effort_timestamp_time 2021-03-25ToastmastersClubAvond.mp4
>
Interesting, I have wondered about
On Fri, Mar 26, 2021 at 10:59:23AM +0100, Peter White wrote:
> If you can live with further quality loss in the video, you can
> transcode it, i.e. -c:v libx264.
Forgot one thing. You can, and maybe should, use -ss as an input option.
This way ffmpeg does not decode the whole file until it
On Fri, Mar 26, 2021 at 09:55:21AM +0100, Cecil Westerhof via ffmpeg-user wrote:
> I want to publish a speech I gave during a Zoom meeting. But cutting
> it out does not work.
>
> When I use:
> ffmpeg -y -i 2021-03-25ToastmastersClubAvond.mp4 -ss 1190 -to 1631
> -acodec copy -vcodec copy
On Fri, Mar 26, 2021 at 10:07:14AM +0100, Michael Koch wrote:
> Am 26.03.2021 um 09:55 schrieb Cecil Westerhof via ffmpeg-user:
> > I want to publish a speech I gave during a Zoom meeting. But cutting
> > it out does not work.
> >
> > When I use:
> > ffmpeg -y -i
Am 26.03.2021 um 09:55 schrieb Cecil Westerhof via ffmpeg-user:
I want to publish a speech I gave during a Zoom meeting. But cutting
it out does not work.
When I use:
ffmpeg -y -i 2021-03-25ToastmastersClubAvond.mp4 -ss 1190 -to 1631 -acodec
copy -vcodec copy -async 1 speech.mp4
The
I want to publish a speech I gave during a Zoom meeting. But cutting
it out does not work.
When I use:
ffmpeg -y -i 2021-03-25ToastmastersClubAvond.mp4 -ss 1190 -to 1631 -acodec
copy -vcodec copy -async 1 speech.mp4
The video starts just a bit to late. But when I use:
ffmpeg -y -i
30 matches
Mail list logo