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gst/videotestsrc/videotestsrc.c: Fix generation of NV12/NV21 frames. Fixes bug #532454.

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Original commit message from CVS:
Patch by: Thijs Vermeir <thijsvermeir@gmail.com>
* gst/videotestsrc/videotestsrc.c: (paint_hline_NV12_NV21):
Fix generation of NV12/NV21 frames. Fixes bug #532454.
This commit is contained in:
Thijs Vermeir 2008-05-22 18:30:15 +00:00 committed by Sebastian Dröge
parent 1c424d9d93
commit 88b1e8efcf
2 changed files with 15 additions and 5 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2008-05-22 Sebastian Dröge <slomo@circular-chaos.org>
Patch by: Thijs Vermeir <thijsvermeir@gmail.com>
* gst/videotestsrc/videotestsrc.c: (paint_hline_NV12_NV21):
Fix generation of NV12/NV21 frames. Fixes bug #532454.
2008-05-22 Wim Taymans <wim.taymans@collabora.co.uk>
Patch by: Sjoerd Simons <sjoerd at luon dot net>

13
gst/videotestsrc/videotestsrc.c
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@ -1070,14 +1070,17 @@ paint_hline_I420 (paintinfo * p, int x, int y, int w)
static void
paint_hline_NV12_NV21 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int x1 = GST_ROUND_UP_2 (x) / 2;
int x2 = GST_ROUND_UP_2 (x + w) / 2;
int offset = y * p->ystride;
int offsetuv = (y / 2) * p->ustride + x;
int offsetuv = GST_ROUND_UP_2 ((y / 2) * p->ustride + x);
int uvlength = x2 - x1;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
oil_splat_u8 (p->up + offsetuv, 2, &p->color->U, x2 - x1);
oil_splat_u8 (p->vp + offsetuv, 2, &p->color->V, x2 - x1);
if (uvlength) {
oil_splat_u8 (p->up + offsetuv, 2, &p->color->U, x2 - x1);
oil_splat_u8 (p->vp + offsetuv, 2, &p->color->V, x2 - x1);
}
}
static void