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videoscale: optimize merge for RGB15 and RGB16

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This commit is contained in:
Wim Taymans 2013-09-10 17:02:44 +02:00
parent b3e5d55040
commit 1ede455199
1 changed files with 16 additions and 8 deletions
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24
gst/videoscale/vs_scanline.c
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@ -614,10 +614,14 @@ vs_scanline_merge_linear_RGB565 (uint8_t * dest_u8, uint8_t * src1_u8,
uint16_t *src2 = (uint16_t *) src2_u8;
int i;
for (i = 0; i < n; i++) {
dest[i] = RGB565 (BLEND (RGB565_R (src1[i]), RGB565_R (src2[i]), x),
BLEND (RGB565_G (src1[i]), RGB565_G (src2[i]), x),
BLEND (RGB565_B (src1[i]), RGB565_B (src2[i]), x));
if (x == 0) {
memcpy (dest, src1, n * 2);
} else {
for (i = 0; i < n; i++) {
dest[i] = RGB565 (BLEND (RGB565_R (src1[i]), RGB565_R (src2[i]), x),
BLEND (RGB565_G (src1[i]), RGB565_G (src2[i]), x),
BLEND (RGB565_B (src1[i]), RGB565_B (src2[i]), x));
}
}
}
@ -707,10 +711,14 @@ vs_scanline_merge_linear_RGB555 (uint8_t * dest_u8, uint8_t * src1_u8,
uint16_t *src2 = (uint16_t *) src2_u8;
int i;
for (i = 0; i < n; i++) {
dest[i] = RGB555 (BLEND (RGB555_R (src1[i]), RGB555_R (src2[i]), x),
BLEND (RGB555_G (src1[i]), RGB555_G (src2[i]), x),
BLEND (RGB555_B (src1[i]), RGB555_B (src2[i]), x));
if (x == 0) {
memcpy (dest, src1, n * 2);
} else {
for (i = 0; i < n; i++) {
dest[i] = RGB555 (BLEND (RGB555_R (src1[i]), RGB555_R (src2[i]), x),
BLEND (RGB555_G (src1[i]), RGB555_G (src2[i]), x),
BLEND (RGB555_B (src1[i]), RGB555_B (src2[i]), x));
}
}
}