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videotestsrc: fix segfault on negative horizontal-speed

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This commit is contained in:
Thijs Vermeir 2010-09-15 15:19:04 +02:00
parent 75b522dacf
commit ef02142125
1 changed files with 2 additions and 0 deletions
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2
gst/videotestsrc/videotestsrc.c
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@ -608,6 +608,8 @@ videotestsrc_setup_paintinfo (GstVideoTestSrc * v, paintinfo * p, int w, int h)
p->tmpline2 = v->tmpline2; p->tmpline2 = v->tmpline2;
p->tmpline_u8 = v->tmpline_u8; p->tmpline_u8 = v->tmpline_u8;
p->x_offset = (v->horizontal_speed * v->n_frames) % p->width; p->x_offset = (v->horizontal_speed * v->n_frames) % p->width;
if (p->x_offset < 0)
p->x_offset += p->width;
a = (v->foreground_color >> 24) & 0xff; a = (v->foreground_color >> 24) & 0xff;
r = (v->foreground_color >> 16) & 0xff; r = (v->foreground_color >> 16) & 0xff;