[FFmpeg-user] ISSUE ABOUT libmp3lame AUDIO CODEC

[Reindl Harald]

Am 29.02.24 um 18:10 schrieb Hervé ANSELME:
> Here are the technical infos about the source movie (the file that will be processed), infos provided by VLC MEDIA PLAYER :

why?

> video stream :
> 
>       Codec: H264 - MPEG-4 AVC (part 10) (avc1)
>       Resolution: 1920x834
>       Display resolution: 1920x820
>       Frame rate: 23.976215
>       Decoded format: Planar 4:2:0 YUV
> 
> audio stream :
> 
>       Codec: A52 Audio (aka AC3) (a52 )
>       Language: French
>       Description: AC3-5.1-VFQ
>       Sample rate: 48000 Hz
> 
> and here is the command line I use :
> 
>       ffmpeg.exe -loglevel error -sn -i "D:\temp\source movie.mkv" -map 0:v:0 -map 0:a:0 -acodec libmp3lame -ar 48k -b:a 128k -q:a 3 -vcodec libx265 -vf "scale=iw*2/5:ih*2/5" -sws_flags lanczos+accurate_rnd -b:v 1200k -minrate 1200k -maxrate 1200k -r 23976215/1000000 -qscale:v 2 -x265-params "nal-hrd=cbr:force-cfr=1:vbv-maxrate=1200:vbv-bufsize=2400"  -log_level -1 "C:\temp\re-encoded movie.mkv" -bufsize 2457600

you whre asked for the *complete output* of ffmpeg


> ________________________________
> From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> on behalf of Carl Zwanzig <cpz at tuunq.com>
> Sent: Thursday, February 29, 2024 17:48
> To: ffmpeg-user at ffmpeg.org <ffmpeg-user at ffmpeg.org>
> Subject: Re: [FFmpeg-user] ISSUE ABOUT libmp3lame AUDIO CODEC
> 
> On 2/29/2024 8:09 AM, Hervé ANSELME wrote:
>> Is this because my command line is missing some parameters, and if so, which ones ?
> 
> Hard to tell because you haven't included the _complete_ command line.
> 
> 
>> Don't hesitate to let me know if you need any further technical
>> information ; thank you in advance for your advice and help.
> As before, always post the complete and uncut command and output (as _text_
> in the email, not an attached image).
> 
> See the FAQ at https://ffmpeg.org/mailing-list-faq.html
> 
> z!
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-- 

Reindl Harald
the lounge interactive design GmbH
A-1060 Vienna, Hofmühlgasse 17
CTO / CISO / Software-Development
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http://www.thelounge.net/

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