[FFmpeg-devel] [PATCH] better detection of available streams for flv

Michael Niedermayer michaelni
Sun Apr 13 21:19:40 CEST 2008


On Sun, Apr 13, 2008 at 09:04:52PM +0200, Reimar D?ffinger wrote:
> On Sun, Apr 13, 2008 at 07:57:44PM +0200, Michael Niedermayer wrote:
> > On Sun, Apr 13, 2008 at 06:06:00PM +0200, Reimar D?ffinger wrote:
> > > Hello,
> > > with e.g. http://eurovision.tv/upload/video/2008/WELCOMETOBELGRADE.flv
> > > the flv demuxer thinks that there is no video stream.
> > > Attached code changes the code to create a audio/video stream if the
> > > metadata-parsing code finds a key starting with "audio" or "video" and
> > > there is not yet such a stream.
> > > Obviously, there are many other ways to do this, and if such a change is
> > > done the hack in flv_read_header should probably be removed.
> > > Instead of checking for any key starting with audio/video this could of
> > > course be restricted to those we actually handle, namely audiocodecid,
> > > videocodecid, audiosamplesize, audiosamplerate and stereo.
> > 
> > We support flv with invalid headers since r10887. Which does not depend on
> > metadata. Why does this not suffice?
> 
> I think you mean the hack in flv_read_header?

no i mean:

    if(i == s->nb_streams){
        av_log(NULL, AV_LOG_ERROR, "invalid stream\n");
        st= create_stream(s, is_audio);
    }

that is if this packet belongs to a stream which we dont have create it.

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

I know you won't believe me, but the highest form of Human Excellence is
to question oneself and others. -- Socrates
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20080413/8edc7c96/attachment.pgp>



More information about the ffmpeg-devel mailing list