[MEncoder-users] problem with h264/aac .mp4

[Alex Samad]

On Wed, Jun 11, 2008 at 07:20:41PM +0200, Raimund Berger wrote:
> Alex Samad <alex at samad.com.au> writes:
> 
> > [h264 @ 0xb3f440]warning: first frame is no keyframe ??% ??,?% 0 0 
> 
> Seems to be a muxing/demuxing issue. Personally, I always use MP4Box
> for muxing mp4's, mp4creator is another choice. Mencoder let me down a
> couple of times on mp4 muxing in the past, and I consider it broken
> (or "experimental", if you will, like it says in the docs) although
> some folks here try to convince people it's not.
yeah I have been using MP4Box

> 
> When muxing externally, sync issues might arise though. You'll need to
> use -vf harddup and maybe -mc0 , see sync notes here
> http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-dvd-mpeg4.html
> chapters 14.1.9 and 14.1.12.1 .

I will have a read, but it plays fine on the first past, as long as you
don't rewind to the beginning 

> 
> For testing, make sure to encode just a couple thousand frames, to not
> lose too much time.
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"I've been talking to Vicente Fox, the new president of Mexico... I know him... to have gas and oil sent to U.S. so we'll not depend on foreign oil..."

	- George W. Bush
10/03/2000
From the first Presidential debate
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