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FFmpeg/libavcodec/ppc/dsputil_h264_altivec.c

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/*
* Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "../dsputil.h"
#include "gcc_fixes.h"
#include "dsputil_altivec.h"
#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec
#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num
#define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
#define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
#define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
#define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
#define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
#define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
#include "dsputil_h264_template_altivec.c"
#undef OP_U8_ALTIVEC
#undef PREFIX_h264_chroma_mc8_altivec
#undef PREFIX_h264_chroma_mc8_num
#undef PREFIX_h264_qpel16_h_lowpass_altivec
#undef PREFIX_h264_qpel16_h_lowpass_num
#undef PREFIX_h264_qpel16_v_lowpass_altivec
#undef PREFIX_h264_qpel16_v_lowpass_num
#undef PREFIX_h264_qpel16_hv_lowpass_altivec
#undef PREFIX_h264_qpel16_hv_lowpass_num
#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec
#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num
#define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
#define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
#define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
#define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
#define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
#define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
#include "dsputil_h264_template_altivec.c"
#undef OP_U8_ALTIVEC
#undef PREFIX_h264_chroma_mc8_altivec
#undef PREFIX_h264_chroma_mc8_num
#undef PREFIX_h264_qpel16_h_lowpass_altivec
#undef PREFIX_h264_qpel16_h_lowpass_num
#undef PREFIX_h264_qpel16_v_lowpass_altivec
#undef PREFIX_h264_qpel16_v_lowpass_num
#undef PREFIX_h264_qpel16_hv_lowpass_altivec
#undef PREFIX_h264_qpel16_hv_lowpass_num
#define H264_MC(OPNAME, SIZE, CODETYPE) \
static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\
OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/8]);\
uint8_t * const half= (uint8_t*)temp;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/8]);\
uint8_t * const half= (uint8_t*)temp;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/8]);\
uint8_t * const half= (uint8_t*)temp;\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/8]);\
uint8_t * const half= (uint8_t*)temp;\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/4]);\
uint8_t * const halfH= (uint8_t*)temp;\
uint8_t * const halfV= ((uint8_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/4]);\
uint8_t * const halfH= (uint8_t*)temp;\
uint8_t * const halfV= ((uint8_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/4]);\
uint8_t * const halfH= (uint8_t*)temp;\
uint8_t * const halfV= ((uint8_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*SIZE/4]);\
uint8_t * const halfH= (uint8_t*)temp;\
uint8_t * const halfV= ((uint8_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*(SIZE+8)/4]);\
int16_t * const tmp= (int16_t*)temp;\
OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*(SIZE+8)/4 + SIZE*SIZE/4]);\
uint8_t * const halfH= (uint8_t*)temp;\
uint8_t * const halfHV= ((uint8_t*)temp) + SIZE*SIZE;\
int16_t * const tmp= ((int16_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*(SIZE+8)/4 + SIZE*SIZE/4]);\
uint8_t * const halfH= (uint8_t*)temp;\
uint8_t * const halfHV= ((uint8_t*)temp) + SIZE*SIZE;\
int16_t * const tmp= ((int16_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*(SIZE+8)/4 + SIZE*SIZE/4]);\
uint8_t * const halfV= (uint8_t*)temp;\
uint8_t * const halfHV= ((uint8_t*)temp) + SIZE*SIZE;\
int16_t * const tmp= ((int16_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
}\
\
static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
DECLARE_ALIGNED_16(uint64_t, temp[SIZE*(SIZE+8)/4 + SIZE*SIZE/4]);\
uint8_t * const halfV= (uint8_t*)temp;\
uint8_t * const halfHV= ((uint8_t*)temp) + SIZE*SIZE;\
int16_t * const tmp= ((int16_t*)temp) + SIZE*SIZE;\
put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
}\
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;
vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
mask_ = vec_lvsl(0, src2);
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(a, b);
edges = vec_perm(tmp2, tmp1, mask);
align = vec_lvsr(0, dst);
tmp1 = vec_perm(edges, d, align);
tmp2 = vec_perm(d, edges, align);
vec_st(tmp2, 15, dst);
vec_st(tmp1, 0 , dst);
dst += dst_stride;
}
}
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;
vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
mask_ = vec_lvsl(0, src2);
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);
tmp1 = vec_perm(edges, d, align);
tmp2 = vec_perm(d, edges, align);
vec_st(tmp2, 15, dst);
vec_st(tmp1, 0 , dst);
dst += dst_stride;
}
}
/* Implemented but could be faster
#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
*/
H264_MC(put_, 16, altivec)
H264_MC(avg_, 16, altivec)
void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
#ifdef HAVE_ALTIVEC
if (has_altivec()) {
c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
#define dspfunc(PFX, IDX, NUM) \
c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
dspfunc(put_h264_qpel, 0, 16);
dspfunc(avg_h264_qpel, 0, 16);
#undef dspfunc
} else
#endif /* HAVE_ALTIVEC */
{
// Non-AltiVec PPC optimisations
// ... pending ...
}
}