swscale: make handle_formats() safe to be called multiple times

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-14 03:33:48 +02:00
parent d5f5e51662
commit 0fc11e7bad

View File

@ -1043,10 +1043,10 @@ static int handle_xyz(enum AVPixelFormat *format)
static void handle_formats(SwsContext *c)
{
c->src0Alpha = handle_0alpha(&c->srcFormat);
c->dst0Alpha = handle_0alpha(&c->dstFormat);
c->srcXYZ = handle_xyz(&c->srcFormat);
c->dstXYZ = handle_xyz(&c->dstFormat);
c->src0Alpha |= handle_0alpha(&c->srcFormat);
c->dst0Alpha |= handle_0alpha(&c->dstFormat);
c->srcXYZ |= handle_xyz(&c->srcFormat);
c->dstXYZ |= handle_xyz(&c->dstFormat);
}
SwsContext *sws_alloc_context(void)