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Add support for NV12 and NV21 in videotestsrc

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Original commit message from CVS:
* gst/videotestsrc/videotestsrc.c (paint_setup_NV12),
(paint_setup_NV21), (paint_hline_NV12_NV21):
Add support for NV12 and NV21 in videotestsrc
This commit is contained in:
Thijs Vermeir 2008-05-02 10:54:51 +00:00
parent abbce230e2
commit 32c304ad6f
2 changed files with 48 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-05-02 Thijs Vermeir <thijsvermeir@gmail.com>
* gst/videotestsrc/videotestsrc.c (paint_setup_NV12),
(paint_setup_NV21), (paint_hline_NV12_NV21):
Add support for NV12 and NV21 in videotestsrc
2008-05-02 Sebastian Dröge <slomo@circular-chaos.org>
* gst/videoscale/gstvideoscale.c:

42
gst/videotestsrc/videotestsrc.c
View file

@ -263,6 +263,8 @@ static void paint_setup_Y41B (paintinfo * p, unsigned char *dest);
static void paint_setup_Y42B (paintinfo * p, unsigned char *dest);
static void paint_setup_Y800 (paintinfo * p, unsigned char *dest);
static void paint_setup_AYUV (paintinfo * p, unsigned char *dest);
static void paint_setup_NV12 (paintinfo * p, unsigned char *dest);
static void paint_setup_NV21 (paintinfo * p, unsigned char *dest);
#if 0
static void paint_setup_IMC1 (paintinfo * p, unsigned char *dest);
@ -288,6 +290,7 @@ static void paint_setup_xRGB1555 (paintinfo * p, unsigned char *dest);
static void paint_setup_bayer (paintinfo * p, unsigned char *dest);
static void 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);
static void paint_hline_YUY2 (paintinfo * p, int x, int y, int w);
static void paint_hline_IYU2 (paintinfo * p, int x, int y, int w);
static void paint_hline_Y41B (paintinfo * p, int x, int y, int w);
@ -345,7 +348,9 @@ struct fourcc_list_struct fourcc_list[] = {
/* I420 */
{VTS_YUV, "I420", "I420", 12, paint_setup_I420, paint_hline_I420},
/* NV12 */
{VTS_YUV, "NV12", "NV12", 12, paint_setup_NV12, paint_hline_NV12_NV21},
/* NV21 */
{VTS_YUV, "NV21", "NV21", 12, paint_setup_NV21, paint_hline_NV12_NV21},
#if 0
/* IMC1 */
{VTS_YUV, "IMC1", "IMC1", 16, paint_setup_IMC1, paint_hline_IMC1},
@ -1025,6 +1030,30 @@ paint_setup_I420 (paintinfo * p, unsigned char *dest)
p->endptr = p->vp + p->vstride * GST_ROUND_UP_2 (p->height) / 2;
}
static void
paint_setup_NV12 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->vp = p->up + 1;
p->ustride = p->ystride;
p->vstride = p->ystride;
p->endptr = p->up + (p->ystride * p->height) / 2;
}
static void
paint_setup_NV21 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->up = p->vp + 1;
p->ustride = p->ystride;
p->vstride = p->ystride;
p->endptr = p->vp + (p->ustride * p->height) / 2;
}
static void
paint_hline_I420 (paintinfo * p, int x, int y, int w)
{
@ -1038,6 +1067,19 @@ paint_hline_I420 (paintinfo * p, int x, int y, int w)
oil_splat_u8_ns (p->vp + offset1 + x1, &p->color->V, x2 - x1);
}
static void
paint_hline_NV12_NV21 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->ystride;
int offsetuv = (y / 2) * p->ustride + x;
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);
}
static void
paint_setup_YV12 (paintinfo * p, unsigned char *dest)
{