[FFmpeg-user] CBR Coding with force_key frames

saurav suman saurav13suman at gmail.com
Tue Apr 9 15:20:19 EEST 2019

Hi Carl,

As required please find the attached file.
I have shared the console command (copied from the CMD prompt) and Batch
file in notepad(.bat file to call the ffmpeg.exe file) . Unable to attach
the error log file because it is empty(0 bytes)

File1: Console_CMD[1] : command copied from the command prompt in
Notpad(text format).
File2: BatchFile(FFmpeg call) : Copied batch file command in Notepad(text


On Tue, Apr 9, 2019 at 5:17 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2019-04-09 11:59 GMT+02:00, Nick <vincent at systemli.org>:
> > Can it happen that force_key_frames option will destroy a
> > good cbr 2-pass coding?
> Command lines and complete, uncut console output missing.
> (Changing parameters over passes will affect quality.)
> Carl Eugen
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-------------- next part --------------

C:\ffmpeg>title Test

C:\ffmpeg>set "dir1=C:\Users\38934\Desktop"

C:\ffmpeg>echo running loop test
running loop test

C:\ffmpeg>FOR %X in ("C:\Users\38934\Desktop\00.00.00-00.05.00[A][0 at 0][0].mp4") DO ffmpeg.exe -v error -i %X -f null -  1>error.log 2>&1

C:\ffmpeg>ffmpeg.exe -v error -i "C:\Users\38934\Desktop\00.00.00-00.05.00[A][0 at 0][0].mp4" -f null -  1>error.log 2>&1

C:\ffmpeg>echo Done

Press any key to continue . . .

-------------- next part --------------
title Test
set "dir1=C:\Users\38934\Desktop"

echo running loop test 
FOR %%X in ("%dir1%\12.01.01-12.02.20[R][0 at 0][0].dav") DO ffmpeg.exe -v error -i %%X -f null - >error.log 2>&1
echo Done

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