[FFmpeg-devel] [PATCH] improvement on r21598 ("fix stream copy")

Michael Niedermayer michaelni
Wed Feb 10 15:26:45 CET 2010

On Sun, Feb 07, 2010 at 11:58:08AM -0000, Wolfram Gloger wrote:
> > From: Michael Niedermayer <michaelni at gmx.at>
> > 
> > well, what you write is a rather terse analysis ...
> > because really the tests should match unless predicted and real timestamps
> > differ and of course ignoring the current rounding bug reimar is working on
> I think the rounding issue is orthogonal.
> The test for pkt.pts which you added in r21598 is done for _every_
> packet passing the main loop.
> The test for opts_min OTOH can only hit if the predicted timestamps
> for _all_ streams are bigger than recording time, i.e. if N packets
> with dts+duration>recording_time have already been written.
> So the tests do not match, one can get in a situation where only the
> first test hits, even when all predicted timestamps equal "real"
> timestamps.
> > anyway, with your patch the opts_min test should be redundant and could
> > be removed
> That is true, "make test" does still pass for me after removing the
> opts_min test.  Let me know if you want that incorporated in the patch
> or separately.


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Freedom in capitalist society always remains about the same as it was in
ancient Greek republics: Freedom for slave owners. -- Vladimir Lenin
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