[M4IF Technotes] Question MPEG-2 vs MPEG-4.

[Rob Koenen]

You are better off starting with an MPEG-4 open source
project or the MPEG-4 REference code.
See http://www.m4if.org/resources.php for pointers
Kind Regards,
Rob
> -----Original Message-----
> From: Alejandro RAMIREZ [mailto:aara10   hotmail.com]
> Sent: Tuesday, April 30, 2024 11:44
> To: martinf   dvd.panasonic.com; technotes   lists.m4if.org
> Subject: [M4IF Technotes] Question MPEG-2 vs MPEG-4.
> 
> 
> Hi,
> 
> I am confronted with the following problem:
> I must implement a coder MPEG-4 starting from a coder MPEG-2. 
> I have the 
> source code of the coder MPEG-2. Initially I would have liked 
> to know if 
> that were possible.
> In the second time, if that is possible, the reasoning below 
> is it correct?  
> I thought to change VLC part of coder MPEG-2 by VLC part of 
> the coder MPEG-4 
> who is specified in the standard 14496-2(version paper) and 
> also to implant 
> the headings specified inside. And to keep the DCT, the 
> quantification, the 
> RL, the movement estimation, and the rate control(TM5) by the 
> coder MPEG-2 
> which I have already.
> 
> The reasoning is it good? or requires it more work?
> Is this better to start from a coder MPEG-4 directly because 
> the differences 
> between coder MPEG-2 and MPEG-4 are too significant?
> 
> Thank you for your answers,
> 
> Alejandro
> 
> 
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