[FFmpeg-devel] [PATCH] common ID3v2 support for all formats

Michael Niedermayer michaelni
Tue Nov 9 02:40:33 CET 2010

On Mon, Nov 08, 2010 at 04:00:43PM +0100, Anton Khirnov wrote:
> On Thu, Nov 04, 2010 at 08:04:32AM +0100, Reimar D?ffinger wrote:
> > On Thu, Nov 04, 2010 at 07:53:19AM +0100, Anton Khirnov wrote:
> > > On Wed, Nov 03, 2010 at 11:12:07PM +0100, Reimar D?ffinger wrote:
> > > > On second thought though I have to say that I can't think of a use
> > > > case. Any app should retry with larger buffers until either there's
> > > > a match with score > AVPROBE_SCORE_MAX/4 or there is a reason to not
> > > > provide more data.
> > > There's always a reason not to provide more data -- speed. Reading very
> > > large probes can take quite long for remote files. The MPD author is
> > > reluctant to do this unless there's some hint the file is not garbage.
> > 
> > Can you describe the use case in more detail? Because considering
> > "speed" in case probe has failed is kind of like "my program is really
> > fast at not doing anything!".
> Well it's always some kind of tradeoff between how reliable you want
> detection to be and how long you're willing to wait for that. If we can
> provide further hints to make the process easier, IMO we should do that.
> > Also for fast probing something like the "file" program might be a better
> > approach...
> > Anyway I did propose a patch, and I'm interested in feedback from you
> > and Michael.
> i guess it might be a good enough solution. (some docs and a minor bump
> are probably should probably be added)
> Michael - ping?

what do you want me to comment about?

if its about applications not increasing the probe buffer size and provide
a too small buffer then these are out of luck, thats not our problem. They
either can provide a buffer large enough or support retrying with larger

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20101109/7d37efdb/attachment.pgp>

More information about the ffmpeg-devel mailing list