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swscale: change 9/10bit YUV input macros to inline functions.

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Inline functions are slightly larger in source code, but
are easier to handle in source code editors. The binary code
generated is the same.
This commit is contained in:
Ronald S. Bultje 2011-06-08 14:50:49 -04:00
parent aa39f5f6d6
commit f30ee65700
1 changed files with 44 additions and 26 deletions
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70
libswscale/swscale.c
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@ -1344,33 +1344,51 @@ static void nv21ToUV_c(uint8_t *dstU, uint8_t *dstV,
}
// FIXME Maybe dither instead.
#define YUV_NBPS(depth, endianness, rfunc) \
static void endianness ## depth ## ToUV_c(uint8_t *dstU, uint8_t *dstV, \
const uint8_t *_srcU, const uint8_t *_srcV, \
int width, uint32_t *unused) \
{ \
int i; \
const uint16_t *srcU = (const uint16_t*)_srcU; \
const uint16_t *srcV = (const uint16_t*)_srcV; \
for (i = 0; i < width; i++) { \
dstU[i] = rfunc(&srcU[i])>>(depth-8); \
dstV[i] = rfunc(&srcV[i])>>(depth-8); \
} \
} \
\
static void endianness ## depth ## ToY_c(uint8_t *dstY, const uint8_t *_srcY, \
int width, uint32_t *unused) \
{ \
int i; \
const uint16_t *srcY = (const uint16_t*)_srcY; \
for (i = 0; i < width; i++) \
dstY[i] = rfunc(&srcY[i])>>(depth-8); \
} \
static av_always_inline void
yuv9_OR_10ToUV_c_template(uint8_t *dstU, uint8_t *dstV,
const uint8_t *_srcU, const uint8_t *_srcV,
int width, enum PixelFormat origin, int depth)
{
int i;
const uint16_t *srcU = (const uint16_t *) _srcU;
const uint16_t *srcV = (const uint16_t *) _srcV;
YUV_NBPS( 9, LE, AV_RL16)
YUV_NBPS( 9, BE, AV_RB16)
YUV_NBPS(10, LE, AV_RL16)
YUV_NBPS(10, BE, AV_RB16)
#define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
for (i = 0; i < width; i++) {
dstU[i] = input_pixel(&srcU[i]) >> (depth - 8);
dstV[i] = input_pixel(&srcV[i]) >> (depth - 8);
}
}
static av_always_inline void
yuv9_or_10ToY_c_template(uint8_t *dstY, const uint8_t *_srcY,
int width, enum PixelFormat origin, int depth)
{
int i;
const uint16_t *srcY = (const uint16_t*)_srcY;
for (i = 0; i < width; i++)
dstY[i] = input_pixel(&srcY[i]) >> (depth - 8);
#undef input_pixel
}
#define YUV_NBPS(depth, BE_LE, origin) \
static void BE_LE ## depth ## ToUV_c(uint8_t *dstU, uint8_t *dstV, \
const uint8_t *srcU, const uint8_t *srcV, \
int width, uint32_t *unused) \
{ \
yuv9_OR_10ToUV_c_template(dstU, dstV, srcU, srcV, width, origin, depth); \
} \
static void BE_LE ## depth ## ToY_c(uint8_t *dstY, const uint8_t *srcY, \
int width, uint32_t *unused) \
{ \
yuv9_or_10ToY_c_template(dstY, srcY, width, origin, depth); \
}
YUV_NBPS( 9, LE, PIX_FMT_YUV420P9LE);
YUV_NBPS( 9, BE, PIX_FMT_YUV420P9BE);
YUV_NBPS(10, LE, PIX_FMT_YUV420P10LE);
YUV_NBPS(10, BE, PIX_FMT_YUV420P10BE);
static void bgr24ToY_c(uint8_t *dst, const uint8_t *src,
int width, uint32_t *unused)