[Bug 750865] gst-libav crash

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Jun 23 02:11:10 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=750865

--- Comment #29 from Nicola <lists at svrinformatica.it> ---
(In reply to Sebastian Dröge (slomo) from comment #26)
> Review of attachment 305693 [details] [review]:
> 
> ::: ext/libav/gstavviddec.c
> @@ +1323,3 @@
> +  if (G_UNLIKELY (ffmpegdec->picture->width != ffmpegdec->ctx_width
> +          || GST_ROUND_UP_16 (ffmpegdec->picture->height) !=
> +          GST_ROUND_UP_16 (ffmpegdec->ctx_height))) {
> 
> How does it end up being 1080 vs 1088? And in which order, is the picture or
> the context information bigger?

picture: 1920x1088, context size: 1920x1080, recorded size: 1920x1080

so is the picture that reports 1088. As noted this happen on windows but non on
linux

> 
> It doesn't make much sense in any case, libav should tell us somewhere how
> many lines have to be cropped in the end... and we should use that
> information instead of arbitrarily rounding here.

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