[FFmpeg-user] video quality problem with ffmpeg command mov to 3gp

[Jim Worrall]

On Dec 17, 2011, at 12:09 PM, Lou wrote:

> On Sat, 17 Dec 2011 05:34:13 +0530
> "dE ." <de.techno at gmail.com> wrote:
> 
>> On 12/16/11 12:42, aris sirajawali wrote:
>>> how to convert video from mp4 to 3gp using ffmpeg.
>>> I use a command like the following: ffmpeg-i INPUT.MOV-acodec
>>> libfaac-ab 12.2k-ac 2-ar 8000-vcodec h263-s QCIF-r 10-b 32k
>>> OUTPUT.3GP but by using the above command, I get the video that is
>>> not good.
>>> 
>>> whether there is an error on my order and how do i get the command
>>> line with the results of a good video.
>>> 
>>> thank you, please help from friends all..
>> 
>> Maybe you should use -sameq flag instead of all the above, but I'm
>> not use....
> 
> The -sameq option is probably the most misused FFmpeg option and it
> probably doesn't do what you think it does. The old documentation
> (ffmpeg -h) implied that -sameq meant, "make the output the same
> quality as the input", but this is not necessarily true. The
> documentation has been updated, but could still be more descriptive.

I can't even find sameq in the current manual.