[MEncoder-users] Re: Re: help encoding jpeg frames to video with soundtrack

[Ken and Timi Cecka]

Giacomo Comes wrote:

> On Wed, Apr 19, 2006 at 07:08:01PM -0700, Ken and Timi Cecka wrote:
>> RC wrote:
>> 
>> > On Mon, 17 Apr 2006 20:50:25 -0700
>> > Ken and Timi Cecka <ceckak at alumni.washington.edu> wrote:
>> > 
>> >> mencoder "mf://*.jpg" -mf fps=15 -o test800.avi -ovc lavc -lavcopts
>> >> vcodec=msmpeg4v2:vbitrate=800
>> > 
>> > 800k is awfully low, particularly when you aren't using
>> > quality-improving options like mbd=2, trell, etc.
>> > 
>> > I suggest reading the online HTML docs.
>> 
>> Thanks for the suggestions.  I've been reading the online docs and
>> experimenting with a number of values, including higher bitrates.
>> Increasing the bitrate seems to help with the blockiness, but I can't
>> figure out how to get rid of the orange streaks.  Here's an example:
>> 
>> original frame: http://k-n-t.homeip.net/tmp/10007.jpg
>> mplayer screenshot: http://k-n-t.homeip.net/tmp/encoded.jpg
> 
> I have seen this kind of bug before. It usually happens with portrait
> pictures. And the bug exist with 1.0pre7 and CVS.
> 
> Solutions:
> 
> 1) Add -vc ijpg to your command line. It'a an easy solution but it may
>    not work.
> 2) Convert your pictures to PNG before encoding them with mencoder.
>    The level of success is higher but not 100%.
> 3) Convert you picture to TGA before encoding them with mencoder.
>    I got 100% success with TGA format.
> 

Thanks!  Your solution #1 fixed the problem.  I managed to get an msmpeg4
encoding to work that has great quality.

Ken