[FFmpeg-devel] [PATCH] Fix linesize computation for NV formats

Stefano Sabatini stefano.sabatini-lala
Sun Nov 15 23:23:27 CET 2009

On date Sunday 2009-11-15 17:13:22 +0100, Stefano Sabatini encoded:
> Hi,
> for NV12 and NV21 data[1] contains both the U and V components, so
> its size needs to be multiplied by 2.
> Alternatively we could have:
> linesize[1] = width
> which is equivalent.
> I couldn't find any NV12 samples and libswscale cannot issue that in
> output, so I didn't tested it.

That change also requires a corresponding change in ff_fill_pointer(),
so patch updated.

I wonder if there is some reason if it has been done like that, it is
done that way since the initial inclusion of NV formats support in

FFmpeg = Faithless and Fierce Majestic Pitiless Extroverse Guru
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