Hi,
On Sat, Oct 13, 2012 at 11:13 PM, Ronald S. Bultje <rsbul...@gmail.com> wrote:
> Hi,
>
> On Sat, Oct 13, 2012 at 11:06 PM, Luca Barbato <lu_z...@gentoo.org> wrote:
>> ---
>>
>> Here an initial patch to support many yuva, apparently either I botched
>> adding them (since I did lots of cut and paste) or they manage the expose
>> some
>> flaws in swscale. valgrind manages to spot something and might be nice if
>> other people try this and see if the values for the fate-lavfi change after
>> each round.
>
> If this is what I think it is, search for YUVA420P in swscale and
> replace it with a generic alpha check.
Oh I see now.
swscale.c:661
if (isPlanar(dstFormat) && isALPHA(dstFormat) && !alpPixBuf)
fillPlane(dst[3], dstStride[3], dstW, dstY - lastDstY, lastDstY, 255);
This only works for 8bit. For 9bit, you need a word fill with a value
of (1 << numbits) - 1.
Ronald
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