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videotestsrc: Fix NV21 rendering

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Using the same as for NV12 will result in wrong colors and crashes.
This commit is contained in:
Sebastian Dröge 2010-08-24 09:51:46 +02:00
parent 6bd90dc0cc
commit 613c44044a
1 changed files with 27 additions and 4 deletions
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31
gst/videotestsrc/videotestsrc.c
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@ -381,7 +381,8 @@ 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_NV12 (paintinfo * p, int x, int y, int w);
static void paint_hline_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);
@ -453,9 +454,9 @@ 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},
{VTS_YUV, "NV12", "NV12", 12, paint_setup_NV12, paint_hline_NV12},
/* NV21 */
{VTS_YUV, "NV21", "NV21", 12, paint_setup_NV21, paint_hline_NV12_NV21},
{VTS_YUV, "NV21", "NV21", 12, paint_setup_NV21, paint_hline_NV21},
#if 0
/* IMC1 */
{VTS_YUV, "IMC1", "IMC1", 16, paint_setup_IMC1, paint_hline_IMC1},
@ -1844,7 +1845,7 @@ 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)
paint_hline_NV12 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
@ -1865,6 +1866,28 @@ paint_hline_NV12_NV21 (paintinfo * p, int x, int y, int w)
}
}
static void
paint_hline_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 & ~0x01);
int uvlength = x2 - x1 + 1;
guint16 value;
gst_orc_splat_u8 (p->yp + offset + x, p->yuv_color->Y, w);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
value = (p->yuv_color->U << 8) | (p->yuv_color->V << 0);
#else
value = (p->yuv_color->U << 0) | (p->yuv_color->V << 8);
#endif
if (uvlength) {
gst_orc_splat_u16 (p->vp + offsetuv, value, uvlength);
}
}
static void
paint_setup_YV12 (paintinfo * p, unsigned char *dest)
{