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rgb2rgb: rgb12to15()

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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Paul B Mahol 2012-01-12 20:28:47 +00:00 committed by Ronald S. Bultje
parent 06b0246da0
commit 0cc1a86dc3
3 changed files with 21 additions and 0 deletions
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19
libswscale/rgb2rgb.c
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@ -183,6 +183,25 @@ void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
}
}
void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint16_t *d = (uint16_t *)dst;
const uint16_t *s = (const uint16_t *)src;
uint16_t rgb, r, g, b;
end = s + src_size / 2;
while (s < end) {
rgb = *s++;
r = rgb & 0xF00;
g = rgb & 0x0F0;
b = rgb & 0x00F;
r = (r << 3) | ((r & 0x800) >> 1);
g = (g << 2) | ((g & 0x080) >> 2);
b = (b << 1) | ( b >> 3);
*d++ = r | g | b;
}
}
void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;

1
libswscale/rgb2rgb.h
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@ -63,6 +63,7 @@ void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size);
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size);
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size);
void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size);
void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size);
void bgr8torgb8(const uint8_t *src, uint8_t *dst, int src_size);
void shuffle_bytes_0321(const uint8_t *src, uint8_t *dst, int src_size);

1
libswscale/swscale_unscaled.c
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@ -389,6 +389,7 @@ static rgbConvFn findRgbConvFn(SwsContext *c)
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000F000C: conv = rgb12to15; break;
case 0x000F0010: conv = rgb16to15; break;
case 0x000F0018: conv = rgb24to15; break;
case 0x000F0020: conv = rgb32to15; break;