[XviD-devel] Fw: libxvidcore compiling

[reno reballos]

Hi Stephan,

i am sorry i forgot to ask this thing...

is it normal that i got around 90-100MB of data after encoding for a span of about 10seconds? because by this amount of data i got as if i am not encoding.. hehehehehe

looking forward to hear from you....

thank you,
reno

----- Original Message ----
From: Stephan Assmus <superstippi at gmx.de>
To: xvid-devel at xvid.org
Sent: Tuesday, April 8, 2008 3:00:07 PM
Subject: Re: [XviD-devel] Fw:  libxvidcore compiling


reno reballos wrote:
> my question are:
> 
> 1. what is the reason why i can play back the file even though i didnt 
> put it into container as an AVI/ASF file or any video format container?

Appearantly, the programmers of the respective player you are using thought 
it would be a good idea to implement this feature. They detect the stream 
even though it is not within a container. It seems that they don't care 
about the playback rate in this situation. You could try with other 
players, I suspect you would quickly find one which cannot play your raw 
stream.

> 2. from the first concept that i can play back the encoded file without 
> containing it to any format container based on my assumption, is it also 
> possible to display the stream to the receiver side without any decoding 
> process, although the concept and logic is already established that i 
> have to decompress what i have compressed?

If you mean that your application does not need to put the stream into a 
container, it depends. If you really never need to seek in the stream, then 
I guess you could do without a container. You would likely come up with 
your own protocol for sending chunks of encoded data over the network. As 
long as you know where a "chunk" starts, which is easily achieved since you 
control the network protocol, I think you don't need another container.

> 3. another thing that i noticed on the encoded file is that, it got big 
> amount of data that it reaches to 80-90MB and takes only 3-5seconds of 
> fast play back. but during the course of capturing the stream it takes me 
> more than 5seconds.

It is normal that encoding takes longer. It is a much more involved process.

Best regards,
-Stephan
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