[FFmpeg-devel] [ogg] Respect AVERROR codes returned by ogg header parsing.
dalecurtis at chromium.org
Fri Dec 1 21:16:37 EET 2017
On Thu, Nov 30, 2017 at 5:49 PM, Michael Niedermayer <michael at niedermayer.cc
> I dont see anything really wrong with the file
For kicks, I tried running it through oggz-validate, but it doesn't know
how to handle ogm. Which TIL, is distinct from ogv.
> it seems what happens is that theres a data packet in one stream that
> preceeds the headers on the other streams, technically that data packet
> likely contains the video headers so its kind of a header too.
> The demuxer stops header parsing prematurly due to this.
> from there on it gets confused reading the same header twice
> while it determines the duration of the file which triggers the error
> There are a few differnt ways to fix this, iam not sure which is the
> simplest but i dont think the demuxer should fail in this case
Applying a workaround similar to what you did here works:
I.e. condition AVERROR_INVALIDATA based on priv->vp being incomplete here:
WDYT? Here's a patch to do this and fail on AVERROR w/o the AV_EF_EXPLODE
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