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videotestsrc: Simplify ARGB to Bayer conversion

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Simplify the conversion to bayer pattern as suggested by Nicolas Dufresne.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4686>
This commit is contained in:
Marek Vasut 2023-06-10 14:53:52 +02:00
parent d0efb05f52
commit e569b8ba1e
1 changed files with 4 additions and 16 deletions
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20
subprojects/gst-plugins-base/gst/videotestsrc/videotestsrc.c
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@ -1688,23 +1688,11 @@ convert_hline_bayer (paintinfo * p, GstVideoFrame * frame, int y)
gint width = GST_VIDEO_FRAME_WIDTH (frame);
int x_inv = p->x_invert;
int y_inv = p->y_invert;
int y_offset = 1 - ((y ^ y_inv) & 1);
if ((y ^ y_inv) & 1) {
for (i = 0; i < width; i++) {
if ((i ^ x_inv) & 1) {
R[i] = argb[4 * i + 1];
} else {
R[i] = argb[4 * i + 2];
}
}
} else {
for (i = 0; i < width; i++) {
if ((i ^ x_inv) & 1) {
R[i] = argb[4 * i + 2];
} else {
R[i] = argb[4 * i + 3];
}
}
for (i = 0; i < width; i++) {
int x_offset = 2 - ((i ^ x_inv) & 1);
R[i] = argb[4 * i + y_offset + x_offset];
}
}