[FFmpeg-devel] Files crashing FFmpeg

[Måns Rullgård]

"Jason Garrett-Glaser" <darkshikari at gmail.com> writes:

> On Wed, Dec 3, 2008 at 9:09 AM, compn <tempn at twmi.rr.com> wrote:
>> On Wed, 3 Dec 2008 14:30:09 +0100, Diego Biurrun wrote:
>>>On Wed, Dec 03, 2008 at 04:44:45AM -0800, Jason Garrett-Glaser wrote:
>>>> On Wed, Dec 3, 2008 at 4:01 AM, Diego Biurrun <diego at biurrun.de> wrote:
>>>> > On Tue, Dec 02, 2008 at 11:39:01PM -0800, Jason Garrett-Glaser wrote:
>>>> >> On Thu, Nov 27, 2008 at 6:09 AM, compn <tempn at twmi.rr.com> wrote:
>>>> >> > On Wed, 26 Nov 2008 21:54:29 -0800, Mike Melanson wrote:
>>>> >> >>Benjamin Larsson wrote:
>>>> >> >>> This list http://tranquillity.ath.cx/ffmpeg_crashfiles.txt
>>>> >> >>> contains links to files that crashes a FFmpeg version from
>>>> >> >>> 2007. Can anyone come up with a good tool so we can run
>>>> >> >>> through and check all these files ?
>>>> >> >>>
>>>> >> >>> This list was donated by Picsearch.
>>>> >> >>
>>>> >> >>Do we have the project budget to send them a nice fruit
>>>> >> >>basket for the holidays? This is some good stuff. It would
>>>> >> >>be nice if some other organizations that automatically
>>>> >> >>process millions of diverse files with FFmpeg could throw
>>>> >> >>some problem files our way.
>>>> >> >
>>>> >> > it would be nice of youtube to send some changes back our way too...
>>>> >>
>>>> >> From a talk I had with the Google engineer who runs the Youtube
>>>> >> encoding chain a few days ago, it seems Google's official policy is
>>>> >> that they're not allowed to publicly admit that they use open source
>>>> >> products such as ffmpeg (!!).
>>>> >
>>>> > What is the reason he gave for this nonsensical attitude?  Google uses
>>>> > open source all over in other places and employs a multitude of central
>>>> > open source devs...
>>>>
>>>> There were a number of excuses he tried to make for this.  (all quotes
>>>> aren't actual quotes)
>>>>
>>>> The primary one was that of patents, with regards to x264: "we
>>>> shouldn't publicly state we are using x264 because then people might
>>>> go after you for patent reasons."  There is some glimpse of reason to
>>>> this, as x264 is a rather small project that hasn't gotten takedown
>>>> threats just yet.
>>>
>>>The only case where this ever happened was libdts.  But the entity to go
>>>after x264 would be the MPEG-LA.  They have not shown this kind of
>>>behavior in the past 10 years or so, I do not expect they will in the
>>>future.
>>
>> i wonder what happened to libvp62 ....
>>
>>>Also note that none of the attempts to take down open source projects
>>>like this have ever been successful.
>>>
>>>> But then I asked him "well than what about ffmpeg?  Do you seriously
>>>> expect that companies would be more likely to go after ffmpeg for
>>>> patent infringement because Google uses them?"
>>>>
>>>> And he responded that "competitors to Google [e.g. Microsoft] might
>>>> choose to go after ffmpeg to try to 'get at google'".
>>>
>>>Complete nonsense of course.  Microsoft could also try to go after Linux
>>>to 'get at Google'.  Or after a ton of other projects where Google has
>>>not problem admitting they use them...
>>>
>>>> Yes, the reasoning is complete horseshit, but apparently they're hard
>>>> and fast on not making any public statement on using open source
>>>> software.  This is of course hilarious irony given Summer of Code and
>>>> other such programs Google runs.  By the way, the conversation began
>>>> when I asked him about the possibility of giving some credit to ffmpeg
>>>> and x264 (perhaps in some About section somewhere on the Youtube
>>>> site).
>>>
>>>Well, we can turn the tables around and expose that they do use FFmpeg
>>>and x264, together with some proof if need be.  That should settle these
>>>silly matters of secrecy.
>>
>> maybe someone could visit a google headquarters and talk to a human.
>
> The person who I had a conversation with (the one I mentioned above)
> was Pascal aka skal, who I talked to for almost two whole days at
> Google HQ ;)
>
> You might know him as the guy who wrote the skal_fdct and most of
> Xvid's assembly.

Are you aware that skal is an FFmpeg committer?

-- 
M?ns Rullg?rd
mans at mansr.com