Re: Converting MKV to AVI

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Patrick O'Callaghan wrote:
> On Sat, 2010-05-08 at 10:28 -0700, Michael Miles wrote:
>> On 05/08/2010 10:10 AM, Patrick O'Callaghan wrote:
>>> On Sat, 2010-05-08 at 09:53 -0700, Michael Miles wrote:
>>>    
>>>> On 05/08/2010 09:40 AM, Patrick O'Callaghan wrote:
>>>>      
>>>>> On Sat, 2010-05-08 at 08:51 -0700, Michael Miles wrote:
>>>>>
>>>>>        
>>>>>> On 05/08/2010 08:43 AM, Patrick O'Callaghan wrote:
>>>>>>
>>>>>>          
>>>>>>> On Fri, 2010-05-07 at 23:43 -0700, Michael Miles wrote:
>>>>>>>
>>>>>>>
>>>>>>>            
>>>>>>>>> Anyway, my question is this: does anyone have a useful recipe for
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                
>>>>>>>> this
>>>>>>>>
>>>>>>>>
>>>>>>>>              
>>>>>>>>> kind of thing?
>>>>>>>>>
>>>>>>>>> And for extra credit: how about converting FLV (Flash video)?
>>>>>>>>>
>>>>>>>>> poc
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                
>>>>>>>> I use Avidemux.
>>>>>>>> It handles everything quite well
>>>>>>>>
>>>>>>>>
>>>>>>>>              
>>>>>>> Tried it, but a) even the GUI version is still quite confusing,
>>>>>>> definitely not for dummies, and b) it didn't work on my test file
>>>>>>> despite apparently reasonable settings.
>>>>>>>
>>>>>>> All the same I'm checking out the Wiki in search of illumination.
>>>>>>>
>>>>>>> poc
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>            
>>>>>> An easier one is Handbrake
>>>>>> Very limited in formats though
>>>>>>
>>>>>>          
>>>>> Yes, it only seems to output H.264 or Mpeg-4.
>>>>>
>>>>> poc
>>>>>
>>>>>
>>>>>        
>>>> It's really unfortunate but linux and video leaves something to be desired.
>>>>
>>>> The last one I have had some success is WinFF
>>>>
>>>> it uses ffmpeg to do it's work.
>>>>
>>>> Try it it does cover most files to avi.
>>>>      
>>> Generating avi output is not really the problem. Avi is just a container
>>> format. The real issue is how to specify the right codecs with the right
>>> parameters. There are just way too many options for the non-expert to be
>>> able to decide.
>>>
>>> poc
>>>
>>>    
>> Winff is a front end for ffmpeg.
>> It allows you to specify framerate, bitrate, size everything you would 
>> want to manipulate.
>>
>> Go into the option menu for the extra control.
>>
>> I wish standalone dvd players would support mkv and h.264 as it is the 
>> most efficient mpeg4 container
>> Some do support but are still expensive
>>
>> a normal video parameters for a non hd player would be 720x480 
>> resolution, framerate ntsc 29.97 Videobitrate 1500-2500
>>
>> Always select 2 pass for best results
> 
> Tried it but the main problems persist: the video starts off at a
> too-high frame rate (like fast-forward) and the sound is out of sync. If
> I pause, rewind or fast-forward the video corrects itself to normal
> speed, but the sound then disappears completely.
> 
> The odd thing is that all of the various experiments I've done produce
> AVI files that play perfectly with vlc or dragon, just not with my
> standalone player.
> 
> The player docs say it can handle:
> * Up to 720x576 resolution
> * Up to 30 fps
> * Video must be interleaved

Therein may be the problem, there's an option for that, -ilme if memory serves. 
Have never tried it, so all I can say is that it's there.

> * GMC (motion comp) only at 1-point, whatever that is.
> * avi, mpg or mpeg files
> * Codecs: DIVX[345].xx, MP43, 3IVX
> * Audio: DTS, PCM MP3, WMA, bitrates to 320kpbs
> 
> I have a strong impression that the whole problem has to do with
> synching, but I don't know how to fix it.
> 
Have you considered just replacing the player you have with one which does 
handle standard DVD format, and using the "-target ntsc-dvd" option to ffmpeg to 
create what you need?

-- 
Bill Davidsen <davidsen@xxxxxxx>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot
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