Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-28 Thread Hervé ANSELME 
As suggested by Ferdi : I've tried to create a re-encoded film formatted "mp4" 
instead of "avi" : now I have both sound and image in re-encoded film 
Thanks everybody for your help 
Regards,
HA


From: ffmpeg-user  on behalf of Ferdi Scholten 

Sent: Wednesday, February 28, 2024 08:30
To: ffmpeg-user@ffmpeg.org 
Subject: Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

Here is the command line I used :
> ffmpeg.exe -loglevel error -sn -i "D:\temp\source_movie.mp4" -map 0:v:0 -map 
> 0:a:0 -acodec libmp3lame -ar 48k -b:a 128k -q:a 3 -vcodec libx265 -vf 
> scale=768:432 -sws_flags lanczos+accurate_rnd -b:v 1008k -minrate 1008k 
> -maxrate 1008k -r 2997/100 -qscale:v 2 -x265-params 
> "nal-hrd=cbr:force-cfr=1:vbv-maxrate=1008:vbv-bufsize=1512 "  -log_level -1 
> "C:\temp\re_encoded_movie.avi" -bufsize 1548288
>
> and here are the technical infos, displayed by the program, in the DOS window 
> :
>
> [cid:145e4b32-21c1-476c-8105-fbdd5cb8372e]
>
> I hope those infos will help.
>
> Regards,
> HA
>
Although the avi container supports the X265 codec this is merely
because it is not really critical about what Codec is used, By design
avi has many limitations for modern Codecs. You cannot use B-frames for
example and many of the other advantages of the HEVC format cannot be
used in this ancient container format. Remember the avi container dates
from the early 1990's when X265, X264 or any other modern codec did not
exist yet! Use avi for the Codecs of that era and youĺl be fine! (xvid,
divx etc.)

So please use a modern container format for X265 encoded video, such as
MP4 or MKV. They are much more efficient and allow full use of all X265
features.
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Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-27 Thread Ferdi Scholten 

Here is the command line I used :

ffmpeg.exe -loglevel error -sn -i "D:\temp\source_movie.mp4" -map 0:v:0 -map 0:a:0 -acodec 
libmp3lame -ar 48k -b:a 128k -q:a 3 -vcodec libx265 -vf scale=768:432 -sws_flags lanczos+accurate_rnd -b:v 
1008k -minrate 1008k -maxrate 1008k -r 2997/100 -qscale:v 2 -x265-params 
"nal-hrd=cbr:force-cfr=1:vbv-maxrate=1008:vbv-bufsize=1512 "  -log_level -1 
"C:\temp\re_encoded_movie.avi" -bufsize 1548288

and here are the technical infos, displayed by the program, in the DOS window :

[cid:145e4b32-21c1-476c-8105-fbdd5cb8372e]

I hope those infos will help.

Regards,
HA

Although the avi container supports the X265 codec this is merely 
because it is not really critical about what Codec is used, By design 
avi has many limitations for modern Codecs. You cannot use B-frames for 
example and many of the other advantages of the HEVC format cannot be 
used in this ancient container format. Remember the avi container dates 
from the early 1990's when X265, X264 or any other modern codec did not 
exist yet! Use avi for the Codecs of that era and youĺl be fine! (xvid, 
divx etc.)


So please use a modern container format for X265 encoded video, such as 
MP4 or MKV. They are much more efficient and allow full use of all X265 
features.

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Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-27 Thread Carl Zwanzig 

On 2/27/2024 10:55 AM, Herv� ANSELME wrote:

and here are the technical infos, displayed by the program, in the DOS window :


Please just cut/paste the output into the email, no images, no attachments 
(also read the mailing list FAQ https://ffmpeg.org/mailing-list-faq.html).


z!

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Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-27 Thread Hervé ANSELME 
Here is the command line I used :

ffmpeg.exe -loglevel error -sn -i "D:\temp\source_movie.mp4" -map 0:v:0 -map 
0:a:0 -acodec libmp3lame -ar 48k -b:a 128k -q:a 3 -vcodec libx265 -vf 
scale=768:432 -sws_flags lanczos+accurate_rnd -b:v 1008k -minrate 1008k 
-maxrate 1008k -r 2997/100 -qscale:v 2 -x265-params 
"nal-hrd=cbr:force-cfr=1:vbv-maxrate=1008:vbv-bufsize=1512 "  -log_level -1 
"C:\temp\re_encoded_movie.avi" -bufsize 1548288

and here are the technical infos, displayed by the program, in the DOS window :

[cid:145e4b32-21c1-476c-8105-fbdd5cb8372e]

I hope those infos will help.

Regards,
HA


From: ffmpeg-user  on behalf of Dennis Mungai 

Sent: Tuesday, February 27, 2024 19:13
To: FFmpeg user questions 
Subject: Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

On Tue, 27 Feb 2024 at 21:08, Hervé ANSELME <
hervea95-at-hotmail@ffmpeg.org> wrote:

> Hello,
>
> I have an issue using ffmpeg, release 6.1, running on OS windows 11
> family, with the libx265 codec : in the final film ( the re-encoded one )
> there is sound but no image, no video.
>
> As I'm a basic user of ffmpeg, can an advanced user help me to solve this
> issue ?
>
> To do that, what would be the useful infos ( about the ffmpeg command line
> I use to re-encode ; about my OS ; about anything else ) which would help
> to solve the issue ?
>
> And how can I get these infos ?
>
> Thanks for your help.
>
> Regards,
> HA
>


Provide the complete, uncut ffmpeg command(s) used and the console output
for the same.
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Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-27 Thread Dennis Mungai 
On Tue, 27 Feb 2024 at 21:08, Hervé ANSELME <
hervea95-at-hotmail@ffmpeg.org> wrote:

> Hello,
>
> I have an issue using ffmpeg, release 6.1, running on OS windows 11
> family, with the libx265 codec : in the final film ( the re-encoded one )
> there is sound but no image, no video.
>
> As I'm a basic user of ffmpeg, can an advanced user help me to solve this
> issue ?
>
> To do that, what would be the useful infos ( about the ffmpeg command line
> I use to re-encode ; about my OS ; about anything else ) which would help
> to solve the issue ?
>
> And how can I get these infos ?
>
> Thanks for your help.
>
> Regards,
> HA
>


Provide the complete, uncut ffmpeg command(s) used and the console output
for the same.
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Re: [FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-27 Thread Reindl Harald 



Am 27.02.24 um 19:08 schrieb Hervé ANSELME:

Hello,

I have an issue using ffmpeg, release 6.1, running on OS windows 11 family, 
with the libx265 codec : in the final film ( the re-encoded one ) there is 
sound but no image, no video.

As I'm a basic user of ffmpeg, can an advanced user help me to solve this issue 
?

To do that, what would be the useful infos ( about the ffmpeg command line I 
use to re-encode ; about my OS ; about anything else ) which would help to 
solve the issue ?

"about the ffmpeg command line I use to re-encode"

well, and what anser do you expect without that command-line?

command-line and uncutted output (as text not as image) because nobody 
here has a crystal ball

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[FFmpeg-user] ISSUE WITH LIBX265 CODEC

2024-02-27 Thread Hervé ANSELME 
Hello,

I have an issue using ffmpeg, release 6.1, running on OS windows 11 family, 
with the libx265 codec : in the final film ( the re-encoded one ) there is 
sound but no image, no video.

As I'm a basic user of ffmpeg, can an advanced user help me to solve this issue 
?

To do that, what would be the useful infos ( about the ffmpeg command line I 
use to re-encode ; about my OS ; about anything else ) which would help to 
solve the issue ?

And how can I get these infos ?

Thanks for your help.

Regards,
HA

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