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videotestsrc: add pattern property and snow pattern

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This commit is contained in:
David Svensson Fors 2016-11-09 10:13:55 +01:00 • committed by Wim Taymans
parent 5c56fbdfc2
commit bc4893057b
2 changed files with 48 additions and 2 deletions
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32
spa/plugins/videotestsrc/draw.c
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@ -249,11 +249,33 @@ draw_smpte_snow (DrawingData *dd)
}
}
static void
draw_snow (DrawingData *dd)
{
int x, y;
for (y = 0; y < dd->height; y++) {
for (x = 0; x < dd->width; x++) {
Pixel p;
unsigned char r = rand ();
p.R = r;
p.G = r;
p.B = r;
update_yuv (&p);
dd->draw_pixel (dd, x, &p);
}
next_line (dd);
}
}
static SpaResult
draw (SpaVideoTestSrc *this, char *data)
{
DrawingData dd;
SpaResult res;
uint32_t pattern;
init_colors ();
@ -261,7 +283,13 @@ draw (SpaVideoTestSrc *this, char *data)
if (res != SPA_RESULT_OK)
return res;
draw_smpte_snow (&dd);
pattern = this->props[1].pattern;
if (pattern == pattern_val_smpte_snow)
draw_smpte_snow (&dd);
else if (pattern == pattern_val_snow)
draw_snow (&dd);
else
return SPA_RESULT_NOT_IMPLEMENTED;
return res;
return SPA_RESULT_OK;
}