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avcodec/ppc/h264qpel: POWER LE support for put_pixels16_l2_altivec() and avg_pixels16_l2_altivec()

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add put_unligned_store() and avg_unligned_store() macros

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Rong Yan 2014-11-28 06:53:35 +00:00 committed by Michael Niedermayer
parent 8cc5a78e45
commit bd67d0ead1
1 changed files with 51 additions and 58 deletions
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109
libavcodec/ppc/h264qpel.c
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@ -191,86 +191,79 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, cons
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
}\
#if HAVE_BIGENDIAN
#define put_unligned_store(s, dest) { \
tmp1 = vec_ld(0, dest); \
mask = vec_lvsl(0, dest); \
tmp2 = vec_ld(15, dest); \
edges = vec_perm(tmp2, tmp1, mask); \
align = vec_lvsr(0, dest); \
tmp2 = vec_perm(s, edges, align); \
tmp1 = vec_perm(edges, s, align); \
vec_st(tmp2, 15, dest); \
vec_st(tmp1, 0 , dest); \
}
#else
#define put_unligned_store(s, dest) vec_vsx_st(s, 0, dest);
#endif /* HAVE_BIGENDIAN */
static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
const uint8_t * src2, int dst_stride,
int src_stride1, int h)
{
int i;
vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
vec_u8 a, b, d, mask_;
#if HAVE_BIGENDIAN
vec_u8 tmp1, tmp2, mask, edges, align;
mask_ = vec_lvsl(0, src2);
#endif
for (i = 0; i < h; i++) {
tmp1 = vec_ld(i * src_stride1, src1);
mask = vec_lvsl(i * src_stride1, src1);
tmp2 = vec_ld(i * src_stride1 + 15, src1);
a = vec_perm(tmp1, tmp2, mask);
tmp1 = vec_ld(i * 16, src2);
tmp2 = vec_ld(i * 16 + 15, src2);
b = vec_perm(tmp1, tmp2, mask_);
tmp1 = vec_ld(0, dst);
mask = vec_lvsl(0, dst);
tmp2 = vec_ld(15, dst);
a = unaligned_load(i * src_stride1, src1);
b = load_with_perm_vec(i * 16, src2, mask_);
d = vec_avg(a, b);
edges = vec_perm(tmp2, tmp1, mask);
align = vec_lvsr(0, dst);
tmp2 = vec_perm(d, edges, align);
tmp1 = vec_perm(edges, d, align);
vec_st(tmp2, 15, dst);
vec_st(tmp1, 0 , dst);
put_unligned_store(d, dst);
dst += dst_stride;
}
}
#if HAVE_BIGENDIAN
#define avg_unligned_store(s, dest){ \
tmp1 = vec_ld(0, dest); \
mask = vec_lvsl(0, dest); \
tmp2 = vec_ld(15, dest); \
a = vec_avg(vec_perm(tmp1, tmp2, mask), s); \
edges = vec_perm(tmp2, tmp1, mask); \
align = vec_lvsr(0, dest); \
tmp2 = vec_perm(a, edges, align); \
tmp1 = vec_perm(edges, a, align); \
vec_st(tmp2, 15, dest); \
vec_st(tmp1, 0 , dest); \
}
#else
#define avg_unligned_store(s, dest){ \
a = vec_avg(vec_vsx_ld(0, dst), s); \
vec_vsx_st(a, 0, dst); \
}
#endif /* HAVE_BIGENDIAN */
static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
const uint8_t * src2, int dst_stride,
int src_stride1, int h)
{
int i;
vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
vec_u8 a, b, d, mask_;
#if HAVE_BIGENDIAN
vec_u8 tmp1, tmp2, mask, edges, align;
mask_ = vec_lvsl(0, src2);
#endif
for (i = 0; i < h; i++) {
tmp1 = vec_ld(i * src_stride1, src1);
mask = vec_lvsl(i * src_stride1, src1);
tmp2 = vec_ld(i * src_stride1 + 15, src1);
a = vec_perm(tmp1, tmp2, mask);
tmp1 = vec_ld(i * 16, src2);
tmp2 = vec_ld(i * 16 + 15, src2);
b = vec_perm(tmp1, tmp2, mask_);
tmp1 = vec_ld(0, dst);
mask = vec_lvsl(0, dst);
tmp2 = vec_ld(15, dst);
d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));
edges = vec_perm(tmp2, tmp1, mask);
align = vec_lvsr(0, dst);
tmp2 = vec_perm(d, edges, align);
tmp1 = vec_perm(edges, d, align);
vec_st(tmp2, 15, dst);
vec_st(tmp1, 0 , dst);
a = unaligned_load(i * src_stride1, src1);
b = load_with_perm_vec(i * 16, src2, mask_);
d = vec_avg(a, b);
avg_unligned_store(d, dst);
dst += dst_stride;
}
}