[MEncoder-users] Raw output

[MuldeR]

The Wanderer wrote:
> MuldeR wrote:
> 
>> Fredrik Eriksson wrote:
>>
>>> MuldeR wrote:
>>>
>>>> Hi.
>>>>
>>>> I want to encode H.264 with MEncoder and put it into MP4. So I
>>>> need raw output from MEncoder. I currently do this with "-of
>>>> rawvideo" and "-of rawaudio". But this isn't very nice, because I
>>>> need to encoding passes. Is there a way to encode video/audio at
>>>> the same time (like "-of avi") but get raw output? Couldn't find
>>>> any information on that from the Docs.
>>>>
>>>> Furthermore: If there are 2 passes needed, what is the best way
>>>> to do the "audio only" pass? "-novideo" doesn't work, so I use
>>>> "-of rawaudio" plus "-ovc copy". But I don't think this
>>>> workaround is very good.
>>>
>>> you should encode the video in two passes anyway, so why not encode
>>> the audio in the first pass (with -of rawaudio) and use -of
>>> rawvideo the second pass?
>>
>> Of course I encode the video in 2-pass mode ^^
>> But the problem is, that I need 3 passes if I don't use AVI.
>>
>> 1. First pass (rawvideo)
>> 2. Second pass (rawvideo)
>> 3. Addidtional pass for encoding the audio (rawaudio)
> 
> I think that what he was suggesting is:
> 
> 1: First pass: video encoding pass 1, audio encoding pass -of rawaudio.
> The video is discarded, but that's okay because you weren't going to do
> anything with that pass's video anyway - and the creation of the
> statistics file should not, I think, be affected by the fact that you're
> using -of rawaudio.

Oh, really? This works ??? Got to try that !!!

> 2: Second pass: video encoding pass 2, ignore the audio, -of rawvideo.
> This time the audio is discarded, but thats okay, because you already
> have the copy which was output in the previous pass.
> 
>  From there, proceed through your muxing steps as normal. Admittedly I
> haven't tested this, but I see no reason offhand why it shouldn't work.
> 

Okay, thanks again for your help :-D