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swscale: unscaled rgba64->rgb48

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol
2012-07-18 01:49:52 +00:00
parent b4befca23e
commit 6b7849e6da
4 changed files with 30 additions and 0 deletions
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2
libswscale/colorspace-test.c
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@@ -86,6 +86,8 @@ int main(int argc, char **argv)
FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
FUNC(6, 6, rgb48tobgr48_nobswap),
FUNC(6, 6, rgb48tobgr48_bswap),
FUNC(8, 6, rgb64to48_nobswap),
FUNC(8, 6, rgb64to48_bswap),
FUNC(8, 6, rgb64tobgr48_nobswap),
FUNC(8, 6, rgb64tobgr48_bswap),
FUNC(0, 0, NULL)

18
libswscale/rgb2rgb.c
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@@ -369,3 +369,21 @@ void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \
DEFINE_RGB64TOBGR48(nobswap, 0)
DEFINE_RGB64TOBGR48(bswap, 1)
#define DEFINE_RGB64TO48(need_bswap, swap) \
void rgb64to48_ ## need_bswap(const uint8_t *src, \
uint8_t *dst, int src_size) \
{ \
uint16_t *d = (uint16_t *)dst; \
uint16_t *s = (uint16_t *)src; \
int i, num_pixels = src_size >> 3; \
\
for (i = 0; i < num_pixels; i++) { \
d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
} \
}
DEFINE_RGB64TO48(nobswap, 0)
DEFINE_RGB64TO48(bswap, 1)

2
libswscale/rgb2rgb.h
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@@ -56,6 +56,8 @@ void rgb64tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb64tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb48tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb48tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb64to48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb64to48_bswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size);
void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size);
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size);

8
libswscale/swscale_unscaled.c
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@@ -582,6 +582,14 @@ static rgbConvFn findRgbConvFn(SwsContext *c)
|| CONV_IS(BGRA64LE, RGB48BE)
|| CONV_IS(RGBA64BE, BGR48LE)
|| CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
else if (CONV_IS(RGBA64LE, RGB48LE)
|| CONV_IS(BGRA64LE, BGR48LE)
|| CONV_IS(RGBA64BE, RGB48BE)
|| CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
else if (CONV_IS(RGBA64LE, RGB48BE)
|| CONV_IS(BGRA64LE, BGR48BE)
|| CONV_IS(RGBA64BE, RGB48LE)
|| CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
} else
/* BGR -> BGR */
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||