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tests: image: add support for packed YUV formats.

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Add support for packed YUV 4:2:2 formats, i.e. YUY2 and UYVY.
This commit is contained in:
Gwenole Beauchesne 2013-07-26 10:05:06 +02:00
parent 6e9ce9ae37
commit f997f6271f
1 changed files with 38 additions and 0 deletions
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38
tests/image.c
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@ -213,6 +213,42 @@ static void draw_rect_I420( // Y, U, V planes
draw_rect_YV12(new_pixels, new_stride, x, y, width, height, color);
}
static void draw_rect_YUV422(guchar *pixels[3], guint stride[3],
gint x, gint y, guint width, guint height, guint32 color)
{
guint i, j;
width /= 2;
for (j = 0; j < height; j++) {
guint32 * const p = (guint32 *)
(pixels[0] + (y + j) * stride[0] + x * 2);
for (i = 0; i < width; i++)
p[i] = color;
}
}
static void draw_rect_YUY2(guchar *pixels[3], guint stride[3],
gint x, gint y, guint width, guint height, guint32 color)
{
const guchar Y = color >> 16;
const guchar Cb = color >> 8;
const guchar Cr = color;
color = (Y << 24) | (Cb << 16) | (Y << 8) | Cr;
draw_rect_YUV422(pixels, stride, x, y, width, height, GUINT32_TO_BE(color));
}
static void draw_rect_UYVY(guchar *pixels[3], guint stride[3],
gint x, gint y, guint width, guint height, guint32 color)
{
const guchar Y = color >> 16;
const guchar Cb = color >> 8;
const guchar Cr = color;
color = (Cb << 24) | (Y << 16) | (Cr << 8) | Y;
draw_rect_YUV422(pixels, stride, x, y, width, height, GUINT32_TO_BE(color));
}
static void draw_rect_AYUV(
guchar *pixels[3],
guint stride[3],
@ -279,6 +315,8 @@ image_draw_rectangle(
_(NV12),
_(YV12),
_(I420),
_(YUY2),
_(UYVY),
_(AYUV),
#undef _
{ 0, }