[FFmpeg-devel] flashsvenc.c - sampling block size too low

[Michael Niedermayer]

Hi

On Fri, May 18, 2007 at 10:14:24AM +0200, Michael Niedermayer wrote:
> Hi
> 
> On Thu, May 17, 2007 at 08:24:42PM -0500, Jason Askew wrote:
> [...]
> > > the current flashsvenc.c contains a optimal brute force encoder
> > > which tries all block sizes, it is under #if 0 and works with
> > > a single pass, and assuming it is not buggy it should outperform
> > > your code, which adapts the blocks at coarser granularity
> > >
> > > and your patch duplicates alot of the existing code ...
> > >
> > 
> > The #if 0 code does not work.  Block size can be changed only at
> > i-frame boundaries.  flv's encoded with #if 0 code does not play back
> > correctly.
> 
> play back in which player?

forget my question, ive found the official spec which says 
"The block size must not change except at a keyframe."

iam wonderning why neither the source in ffmpeg nor multimediawiki
is linking to flash_file_format_specification.pdf

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Good people do not need laws to tell them to act responsibly, while bad
people will find a way around the laws. -- Plato
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