Dear all,
I have a video with two streams, a video stream and a metadata stream, I would
like to set the vsync option to set the time stamps according to the video
stream.
In the documentation ffmpeg of vsync says that:
-vsync parameter
Video sync method. For compatibility reasons old valu
On 2021-04-07 22:33, Adrian Cable wrote:
Mark – yes – you’re understanding exactly right! I was thinking specifically of
the encoder ‘throttle’ being a frame rate control, but other forms of quality
control that could be self-adjusted by the encoder to keep up with the input
would also work fo
Mark – yes – you’re understanding exactly right! I was thinking specifically of
the encoder ‘throttle’ being a frame rate control, but other forms of quality
control that could be self-adjusted by the encoder to keep up with the input
would also work for me.
I did look through the history here
On 2021-04-07 21:51, Adrian Cable wrote:
Mark,
Sorry, I thought XXX referred to the output -- -vf fps=fps=XXX is *output*
frame rate. To the best
of my knowledge, the input frame rate of VFR video can't be specified.
I’m referring to XXX as the maximum *output* frame rate that the pipeline c
Mark,
> Sorry, I thought XXX referred to the output -- -vf fps=fps=XXX is *output*
> frame rate. To the best
> of my knowledge, the input frame rate of VFR video can't be specified.
I’m referring to XXX as the maximum *output* frame rate that the pipeline can
support at a given time, while keep
On 2021-04-07 10:10, Adrian Cable wrote:
Mark – sorry if I wasn’t clear in my original email. The problem I am
describing is real, not theoretical. I have enormous respect for the time of
everyone on this list, and would not have emailed if my problem could be solved
with “-vsync cfr” or anyth
Am Di., 6. Apr. 2021 um 03:02 Uhr schrieb Adrian Cable :
>
> The problem/question is: how do I get ffmpeg to drop frames as required to
> keep the pipeline running real time?
This is not possible with ffmpeg, the application.
Did you look at the x264 presets?
Carl Eugen
__
Am Mi., 7. Apr. 2021 um 10:46 Uhr schrieb Dylan Fernando :
> Include the log file "ffbuild/config.log" produced by configure as this
> will help solve the problem.
Did you see this?
Carl Eugen
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Rainer M. Krug-2 wrote
> Hi
>
> First poster, o apologies for any forgotten info.
>
>
> I have a video with the following metadata:
>
> ```
> $ ffprobe ./1.pre-processed.data/bemovi/20210208_00097.avi
> ffprobe version 4.3.2 Copyright (c) 2007-2021 the FFmpeg developers
> built with Apple cla
Mark – sorry if I wasn’t clear in my original email. The problem I am
describing is real, not theoretical. I have enormous respect for the time of
everyone on this list, and would not have emailed if my problem could be solved
with “-vsync cfr” or anything as straightforward and as well document
On 2021-04-05 21:02, Adrian Cable wrote:
Hi,
I have a question that I thought should have an ‘easy’ answer – I have spent a
lot of time searching and I cannot find it, so thought I would ask here.
My application sounds simple. I have an input RTSP stream, which I need to
transcode and output a
When running ./configure --enable-opencl --enable-vulkan
--enable-libglslang on Ubuntu 20.04 I get:
ERROR: libglslang not found
If you think configure made a mistake, make sure you are using the latest
version from Git. If the latest version fails, report the problem to the
ffmpeg-user@ffmpeg.or
Hi
First poster, o apologies for any forgotten info.
I have a video with the following metadata:
```
$ ffprobe ./1.pre-processed.data/bemovi/20210208_00097.avi
ffprobe version 4.3.2 Copyright (c) 2007-2021 the FFmpeg developers
built with Apple clang version 12.0.0 (clang-1200.0.32.29)
conf
When running ./configure --enable-opencl --enable-vulkan
--enable-libglslang on Ubuntu 20.04 I get:
ERROR: libglslang not found
If you think configure made a mistake, make sure you are using the latest
version from Git. If the latest version fails, report the problem to the
ffmpeg-user@ffmpeg.or
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