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swscale/ppc/swscale_altivec: Simplify macro

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-03-28 05:59:08 +01:00
parent 72f4f1dafb
commit b49e621c83
1 changed files with 4 additions and 10 deletions
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14
libswscale/ppc/swscale_altivec.c
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@ -109,17 +109,12 @@
#define SHIFT 3
#define output_pixel(pos, val, bias, signedness) \
if (big_endian) { \
AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
} else { \
AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
}
#define get_pixel(val, bias, signedness) \
(bias + av_clip_ ## signedness ## 16(val >> shift))
static void
yuv2plane1_float_u(const int32_t *src, float *dest, int dstW, int start)
{
static const int big_endian = HAVE_BIGENDIAN;
static const int shift = 3;
static const float float_mult = 1.0f / 65535.0f;
int i, val;
@ -127,7 +122,7 @@ yuv2plane1_float_u(const int32_t *src, float *dest, int dstW, int start)
for (i = start; i < dstW; ++i){
val = src[i] + (1 << (shift - 1));
output_pixel(&val_uint, val, 0, uint);
val_uint = get_pixel(val, 0, uint);
dest[i] = float_mult * (float)val_uint;
}
}
@ -135,7 +130,6 @@ yuv2plane1_float_u(const int32_t *src, float *dest, int dstW, int start)
static void
yuv2plane1_float_bswap_u(const int32_t *src, uint32_t *dest, int dstW, int start)
{
static const int big_endian = HAVE_BIGENDIAN;
static const int shift = 3;
static const float float_mult = 1.0f / 65535.0f;
int i, val;
@ -143,7 +137,7 @@ yuv2plane1_float_bswap_u(const int32_t *src, uint32_t *dest, int dstW, int start
for (i = start; i < dstW; ++i){
val = src[i] + (1 << (shift - 1));
output_pixel(&val_uint, val, 0, uint);
val_uint = get_pixel(val, 0, uint);
dest[i] = av_bswap32(av_float2int(float_mult * (float)val_uint));
}
}