/*
* Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "../dsputil.h"
+#include "libavcodec/dsputil.h"
+#include "libavcodec/h264data.h"
#include "gcc_fixes.h"
+#include "dsputil_ppc.h"
#include "dsputil_altivec.h"
+#include "util_altivec.h"
+#include "types_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)
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
}\
+/* this code assume that stride % 16 == 0 */
+void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) {
+ DECLARE_ALIGNED_16(signed int, ABCD[4]) =
+ {((8 - x) * (8 - y)),
+ ((x) * (8 - y)),
+ ((8 - x) * (y)),
+ ((x) * (y))};
+ register int i;
+ vec_u8 fperm;
+ const vec_s32 vABCD = vec_ld(0, ABCD);
+ const vec_s16 vA = vec_splat((vec_s16)vABCD, 1);
+ const vec_s16 vB = vec_splat((vec_s16)vABCD, 3);
+ const vec_s16 vC = vec_splat((vec_s16)vABCD, 5);
+ const vec_s16 vD = vec_splat((vec_s16)vABCD, 7);
+ LOAD_ZERO;
+ const vec_s16 v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4));
+ const vec_u16 v6us = vec_splat_u16(6);
+ register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
+ register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
+
+ vec_u8 vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1;
+ vec_u8 vsrc0uc, vsrc1uc;
+ vec_s16 vsrc0ssH, vsrc1ssH;
+ vec_u8 vsrcCuc, vsrc2uc, vsrc3uc;
+ vec_s16 vsrc2ssH, vsrc3ssH, psum;
+ vec_u8 vdst, ppsum, fsum;
+
+ if (((unsigned long)dst) % 16 == 0) {
+ fperm = (vec_u8){0x10, 0x11, 0x12, 0x13,
+ 0x14, 0x15, 0x16, 0x17,
+ 0x08, 0x09, 0x0A, 0x0B,
+ 0x0C, 0x0D, 0x0E, 0x0F};
+ } else {
+ fperm = (vec_u8){0x00, 0x01, 0x02, 0x03,
+ 0x04, 0x05, 0x06, 0x07,
+ 0x18, 0x19, 0x1A, 0x1B,
+ 0x1C, 0x1D, 0x1E, 0x1F};
+ }
+
+ vsrcAuc = vec_ld(0, src);
+
+ if (loadSecond)
+ vsrcBuc = vec_ld(16, src);
+ vsrcperm0 = vec_lvsl(0, src);
+ vsrcperm1 = vec_lvsl(1, src);
+
+ vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0);
+ if (reallyBadAlign)
+ vsrc1uc = vsrcBuc;
+ else
+ vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1);
+
+ vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc0uc);
+ vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc1uc);
+
+ if (!loadSecond) {// -> !reallyBadAlign
+ for (i = 0 ; i < h ; i++) {
+
+
+ vsrcCuc = vec_ld(stride + 0, src);
+
+ vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
+ vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
+
+ vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc);
+ vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc3uc);
+
+ psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
+ psum = vec_mladd(vB, vsrc1ssH, psum);
+ psum = vec_mladd(vC, vsrc2ssH, psum);
+ psum = vec_mladd(vD, vsrc3ssH, psum);
+ psum = vec_add(v28ss, psum);
+ psum = vec_sra(psum, v6us);
+
+ vdst = vec_ld(0, dst);
+ ppsum = (vec_u8)vec_packsu(psum, psum);
+ fsum = vec_perm(vdst, ppsum, fperm);
+
+ vec_st(fsum, 0, dst);
+
+ vsrc0ssH = vsrc2ssH;
+ vsrc1ssH = vsrc3ssH;
+
+ dst += stride;
+ src += stride;
+ }
+ } else {
+ vec_u8 vsrcDuc;
+ for (i = 0 ; i < h ; i++) {
+ vsrcCuc = vec_ld(stride + 0, src);
+ vsrcDuc = vec_ld(stride + 16, src);
+
+ vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
+ if (reallyBadAlign)
+ vsrc3uc = vsrcDuc;
+ else
+ vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
+
+ vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc);
+ vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc3uc);
+
+ psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
+ psum = vec_mladd(vB, vsrc1ssH, psum);
+ psum = vec_mladd(vC, vsrc2ssH, psum);
+ psum = vec_mladd(vD, vsrc3ssH, psum);
+ psum = vec_add(v28ss, psum);
+ psum = vec_sr(psum, v6us);
+
+ vdst = vec_ld(0, dst);
+ ppsum = (vec_u8)vec_pack(psum, psum);
+ fsum = vec_perm(vdst, ppsum, fperm);
+
+ vec_st(fsum, 0, dst);
+
+ vsrc0ssH = vsrc2ssH;
+ vsrc1ssH = vsrc3ssH;
+
+ dst += stride;
+ src += stride;
+ }
+ }
+}
+
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;
+ vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
mask_ = vec_lvsl(0, src2);
align = vec_lvsr(0, dst);
- tmp1 = vec_perm(d, edges, align);
- tmp2 = vec_perm(edges, d, align);
+ tmp2 = vec_perm(d, edges, align);
+ tmp1 = vec_perm(edges, d, align);
- vec_st(tmp1, 0 , dst);
vec_st(tmp2, 15, dst);
+ vec_st(tmp1, 0 , dst);
dst += dst_stride;
}
int src_stride1, int h)
{
int i;
- vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
+ vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
mask_ = vec_lvsl(0, src2);
align = vec_lvsr(0, dst);
- tmp1 = vec_perm(d, edges, align);
- tmp2 = vec_perm(edges, d, align);
+ tmp2 = vec_perm(d, edges, align);
+ tmp1 = vec_perm(edges, d, align);
- vec_st(tmp1, 0 , dst);
vec_st(tmp2, 15, dst);
+ vec_st(tmp1, 0 , dst);
dst += dst_stride;
}
#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)
+H264_MC(put_, 16, altivec)
+H264_MC(avg_, 16, altivec)
+
+
+/****************************************************************************
+ * IDCT transform:
+ ****************************************************************************/
+
+#define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \
+ /* 1st stage */ \
+ vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \
+ vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \
+ vz2 = vec_sra(vb1,vec_splat_u16(1)); \
+ vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \
+ vz3 = vec_sra(vb3,vec_splat_u16(1)); \
+ vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \
+ /* 2nd stage: output */ \
+ va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \
+ va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \
+ va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \
+ va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */
+
+#define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \
+ b0 = vec_mergeh( a0, a0 ); \
+ b1 = vec_mergeh( a1, a0 ); \
+ b2 = vec_mergeh( a2, a0 ); \
+ b3 = vec_mergeh( a3, a0 ); \
+ a0 = vec_mergeh( b0, b2 ); \
+ a1 = vec_mergel( b0, b2 ); \
+ a2 = vec_mergeh( b1, b3 ); \
+ a3 = vec_mergel( b1, b3 ); \
+ b0 = vec_mergeh( a0, a2 ); \
+ b1 = vec_mergel( a0, a2 ); \
+ b2 = vec_mergeh( a1, a3 ); \
+ b3 = vec_mergel( a1, a3 )
+
+#define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \
+ vdst_orig = vec_ld(0, dst); \
+ vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \
+ vdst_ss = (vec_s16) vec_mergeh(zero_u8v, vdst); \
+ va = vec_add(va, vdst_ss); \
+ va_u8 = vec_packsu(va, zero_s16v); \
+ va_u32 = vec_splat((vec_u32)va_u8, 0); \
+ vec_ste(va_u32, element, (uint32_t*)dst);
+
+static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride)
+{
+ vec_s16 va0, va1, va2, va3;
+ vec_s16 vz0, vz1, vz2, vz3;
+ vec_s16 vtmp0, vtmp1, vtmp2, vtmp3;
+ vec_u8 va_u8;
+ vec_u32 va_u32;
+ vec_s16 vdst_ss;
+ const vec_u16 v6us = vec_splat_u16(6);
+ vec_u8 vdst, vdst_orig;
+ vec_u8 vdst_mask = vec_lvsl(0, dst);
+ int element = ((unsigned long)dst & 0xf) >> 2;
+ LOAD_ZERO;
+
+ block[0] += 32; /* add 32 as a DC-level for rounding */
+
+ vtmp0 = vec_ld(0,block);
+ vtmp1 = vec_sld(vtmp0, vtmp0, 8);
+ vtmp2 = vec_ld(16,block);
+ vtmp3 = vec_sld(vtmp2, vtmp2, 8);
+
+ VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3);
+ VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3);
+ VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3);
+
+ va0 = vec_sra(va0,v6us);
+ va1 = vec_sra(va1,v6us);
+ va2 = vec_sra(va2,v6us);
+ va3 = vec_sra(va3,v6us);
+
+ VEC_LOAD_U8_ADD_S16_STORE_U8(va0);
+ dst += stride;
+ VEC_LOAD_U8_ADD_S16_STORE_U8(va1);
+ dst += stride;
+ VEC_LOAD_U8_ADD_S16_STORE_U8(va2);
+ dst += stride;
+ VEC_LOAD_U8_ADD_S16_STORE_U8(va3);
+}
+
+#define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\
+ /* a0 = SRC(0) + SRC(4); */ \
+ vec_s16 a0v = vec_add(s0, s4); \
+ /* a2 = SRC(0) - SRC(4); */ \
+ vec_s16 a2v = vec_sub(s0, s4); \
+ /* a4 = (SRC(2)>>1) - SRC(6); */ \
+ vec_s16 a4v = vec_sub(vec_sra(s2, onev), s6); \
+ /* a6 = (SRC(6)>>1) + SRC(2); */ \
+ vec_s16 a6v = vec_add(vec_sra(s6, onev), s2); \
+ /* b0 = a0 + a6; */ \
+ vec_s16 b0v = vec_add(a0v, a6v); \
+ /* b2 = a2 + a4; */ \
+ vec_s16 b2v = vec_add(a2v, a4v); \
+ /* b4 = a2 - a4; */ \
+ vec_s16 b4v = vec_sub(a2v, a4v); \
+ /* b6 = a0 - a6; */ \
+ vec_s16 b6v = vec_sub(a0v, a6v); \
+ /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \
+ /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \
+ vec_s16 a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \
+ /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \
+ /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \
+ vec_s16 a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\
+ /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \
+ /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \
+ vec_s16 a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\
+ /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \
+ vec_s16 a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\
+ /* b1 = (a7>>2) + a1; */ \
+ vec_s16 b1v = vec_add( vec_sra(a7v, twov), a1v); \
+ /* b3 = a3 + (a5>>2); */ \
+ vec_s16 b3v = vec_add(a3v, vec_sra(a5v, twov)); \
+ /* b5 = (a3>>2) - a5; */ \
+ vec_s16 b5v = vec_sub( vec_sra(a3v, twov), a5v); \
+ /* b7 = a7 - (a1>>2); */ \
+ vec_s16 b7v = vec_sub( a7v, vec_sra(a1v, twov)); \
+ /* DST(0, b0 + b7); */ \
+ d0 = vec_add(b0v, b7v); \
+ /* DST(1, b2 + b5); */ \
+ d1 = vec_add(b2v, b5v); \
+ /* DST(2, b4 + b3); */ \
+ d2 = vec_add(b4v, b3v); \
+ /* DST(3, b6 + b1); */ \
+ d3 = vec_add(b6v, b1v); \
+ /* DST(4, b6 - b1); */ \
+ d4 = vec_sub(b6v, b1v); \
+ /* DST(5, b4 - b3); */ \
+ d5 = vec_sub(b4v, b3v); \
+ /* DST(6, b2 - b5); */ \
+ d6 = vec_sub(b2v, b5v); \
+ /* DST(7, b0 - b7); */ \
+ d7 = vec_sub(b0v, b7v); \
+}
+
+#define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \
+ /* unaligned load */ \
+ vec_u8 hv = vec_ld( 0, dest ); \
+ vec_u8 lv = vec_ld( 7, dest ); \
+ vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); \
+ vec_s16 idct_sh6 = vec_sra(idctv, sixv); \
+ vec_u16 dst16 = (vec_u16)vec_mergeh(zero_u8v, dstv); \
+ vec_s16 idstsum = vec_adds(idct_sh6, (vec_s16)dst16); \
+ vec_u8 idstsum8 = vec_packsu(zero_s16v, idstsum); \
+ vec_u8 edgehv; \
+ /* unaligned store */ \
+ vec_u8 bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\
+ vec_u8 edgelv = vec_perm( sel, zero_u8v, perm_stv ); \
+ lv = vec_sel( lv, bodyv, edgelv ); \
+ vec_st( lv, 7, dest ); \
+ hv = vec_ld( 0, dest ); \
+ edgehv = vec_perm( zero_u8v, sel, perm_stv ); \
+ hv = vec_sel( hv, bodyv, edgehv ); \
+ vec_st( hv, 0, dest ); \
+ }
+
+void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) {
+ vec_s16 s0, s1, s2, s3, s4, s5, s6, s7;
+ vec_s16 d0, d1, d2, d3, d4, d5, d6, d7;
+ vec_s16 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7;
+
+ vec_u8 perm_ldv = vec_lvsl(0, dst);
+ vec_u8 perm_stv = vec_lvsr(8, dst);
+
+ const vec_u16 onev = vec_splat_u16(1);
+ const vec_u16 twov = vec_splat_u16(2);
+ const vec_u16 sixv = vec_splat_u16(6);
+
+ const vec_u8 sel = (vec_u8) {0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1};
+ LOAD_ZERO;
+
+ dct[0] += 32; // rounding for the >>6 at the end
+
+ s0 = vec_ld(0x00, (int16_t*)dct);
+ s1 = vec_ld(0x10, (int16_t*)dct);
+ s2 = vec_ld(0x20, (int16_t*)dct);
+ s3 = vec_ld(0x30, (int16_t*)dct);
+ s4 = vec_ld(0x40, (int16_t*)dct);
+ s5 = vec_ld(0x50, (int16_t*)dct);
+ s6 = vec_ld(0x60, (int16_t*)dct);
+ s7 = vec_ld(0x70, (int16_t*)dct);
+
+ IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7,
+ d0, d1, d2, d3, d4, d5, d6, d7);
+
+ TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 );
+
+ IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7,
+ idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7);
+
+ ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel);
+ ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel);
+}
+
+// TODO: implement this in AltiVec
+static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) {
+ int i, j;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+ int dc = (block[0] + 32) >> 6;
+ for( j = 0; j < 8; j++ )
+ {
+ for( i = 0; i < 8; i++ )
+ dst[i] = cm[ dst[i] + dc ];
+ dst += stride;
+ }
+}
+
+static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
+ int i;
+ for(i=0; i<16; i+=4){
+ int nnz = nnzc[ scan8[i] ];
+ if(nnz){
+ if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride);
+ else ff_h264_idct8_add_altivec (dst + block_offset[i], block + i*16, stride);
+ }
+ }
+}
+
+#define transpose4x16(r0, r1, r2, r3) { \
+ register vec_u8 r4; \
+ register vec_u8 r5; \
+ register vec_u8 r6; \
+ register vec_u8 r7; \
+ \
+ r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \
+ r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \
+ r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \
+ r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \
+ \
+ r0 = vec_mergeh(r4, r6); /*all set 0*/ \
+ r1 = vec_mergel(r4, r6); /*all set 1*/ \
+ r2 = vec_mergeh(r5, r7); /*all set 2*/ \
+ r3 = vec_mergel(r5, r7); /*all set 3*/ \
+}
+
+static inline void write16x4(uint8_t *dst, int dst_stride,
+ register vec_u8 r0, register vec_u8 r1,
+ register vec_u8 r2, register vec_u8 r3) {
+ DECLARE_ALIGNED_16(unsigned char, result[64]);
+ uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst;
+ int int_dst_stride = dst_stride/4;
+
+ vec_st(r0, 0, result);
+ vec_st(r1, 16, result);
+ vec_st(r2, 32, result);
+ vec_st(r3, 48, result);
+ /* FIXME: there has to be a better way!!!! */
+ *dst_int = *src_int;
+ *(dst_int+ int_dst_stride) = *(src_int + 1);
+ *(dst_int+ 2*int_dst_stride) = *(src_int + 2);
+ *(dst_int+ 3*int_dst_stride) = *(src_int + 3);
+ *(dst_int+ 4*int_dst_stride) = *(src_int + 4);
+ *(dst_int+ 5*int_dst_stride) = *(src_int + 5);
+ *(dst_int+ 6*int_dst_stride) = *(src_int + 6);
+ *(dst_int+ 7*int_dst_stride) = *(src_int + 7);
+ *(dst_int+ 8*int_dst_stride) = *(src_int + 8);
+ *(dst_int+ 9*int_dst_stride) = *(src_int + 9);
+ *(dst_int+10*int_dst_stride) = *(src_int + 10);
+ *(dst_int+11*int_dst_stride) = *(src_int + 11);
+ *(dst_int+12*int_dst_stride) = *(src_int + 12);
+ *(dst_int+13*int_dst_stride) = *(src_int + 13);
+ *(dst_int+14*int_dst_stride) = *(src_int + 14);
+ *(dst_int+15*int_dst_stride) = *(src_int + 15);
+}
+
+/** \brief performs a 6x16 transpose of data in src, and stores it to dst
+ \todo FIXME: see if we can't spare some vec_lvsl() by them factorizing
+ out of unaligned_load() */
+#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\
+ register vec_u8 r0 = unaligned_load(0, src); \
+ register vec_u8 r1 = unaligned_load( src_stride, src); \
+ register vec_u8 r2 = unaligned_load(2* src_stride, src); \
+ register vec_u8 r3 = unaligned_load(3* src_stride, src); \
+ register vec_u8 r4 = unaligned_load(4* src_stride, src); \
+ register vec_u8 r5 = unaligned_load(5* src_stride, src); \
+ register vec_u8 r6 = unaligned_load(6* src_stride, src); \
+ register vec_u8 r7 = unaligned_load(7* src_stride, src); \
+ register vec_u8 r14 = unaligned_load(14*src_stride, src); \
+ register vec_u8 r15 = unaligned_load(15*src_stride, src); \
+ \
+ r8 = unaligned_load( 8*src_stride, src); \
+ r9 = unaligned_load( 9*src_stride, src); \
+ r10 = unaligned_load(10*src_stride, src); \
+ r11 = unaligned_load(11*src_stride, src); \
+ r12 = unaligned_load(12*src_stride, src); \
+ r13 = unaligned_load(13*src_stride, src); \
+ \
+ /*Merge first pairs*/ \
+ r0 = vec_mergeh(r0, r8); /*0, 8*/ \
+ r1 = vec_mergeh(r1, r9); /*1, 9*/ \
+ r2 = vec_mergeh(r2, r10); /*2,10*/ \
+ r3 = vec_mergeh(r3, r11); /*3,11*/ \
+ r4 = vec_mergeh(r4, r12); /*4,12*/ \
+ r5 = vec_mergeh(r5, r13); /*5,13*/ \
+ r6 = vec_mergeh(r6, r14); /*6,14*/ \
+ r7 = vec_mergeh(r7, r15); /*7,15*/ \
+ \
+ /*Merge second pairs*/ \
+ r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \
+ r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \
+ r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \
+ r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \
+ r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \
+ r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \
+ r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \
+ r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \
+ \
+ /*Third merge*/ \
+ r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \
+ r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \
+ r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \
+ r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \
+ r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \
+ r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \
+ /* Don't need to compute 3 and 7*/ \
+ \
+ /*Final merge*/ \
+ r8 = vec_mergeh(r0, r4); /*all set 0*/ \
+ r9 = vec_mergel(r0, r4); /*all set 1*/ \
+ r10 = vec_mergeh(r1, r5); /*all set 2*/ \
+ r11 = vec_mergel(r1, r5); /*all set 3*/ \
+ r12 = vec_mergeh(r2, r6); /*all set 4*/ \
+ r13 = vec_mergel(r2, r6); /*all set 5*/ \
+ /* Don't need to compute 14 and 15*/ \
+ \
+}
+
+// out: o = |x-y| < a
+static inline vec_u8 diff_lt_altivec ( register vec_u8 x,
+ register vec_u8 y,
+ register vec_u8 a) {
+
+ register vec_u8 diff = vec_subs(x, y);
+ register vec_u8 diffneg = vec_subs(y, x);
+ register vec_u8 o = vec_or(diff, diffneg); /* |x-y| */
+ o = (vec_u8)vec_cmplt(o, a);
+ return o;
+}
+
+static inline vec_u8 h264_deblock_mask ( register vec_u8 p0,
+ register vec_u8 p1,
+ register vec_u8 q0,
+ register vec_u8 q1,
+ register vec_u8 alpha,
+ register vec_u8 beta) {
+
+ register vec_u8 mask;
+ register vec_u8 tempmask;
+
+ mask = diff_lt_altivec(p0, q0, alpha);
+ tempmask = diff_lt_altivec(p1, p0, beta);
+ mask = vec_and(mask, tempmask);
+ tempmask = diff_lt_altivec(q1, q0, beta);
+ mask = vec_and(mask, tempmask);
+
+ return mask;
+}
+
+// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0)
+static inline vec_u8 h264_deblock_q1(register vec_u8 p0,
+ register vec_u8 p1,
+ register vec_u8 p2,
+ register vec_u8 q0,
+ register vec_u8 tc0) {
+
+ register vec_u8 average = vec_avg(p0, q0);
+ register vec_u8 temp;
+ register vec_u8 uncliped;
+ register vec_u8 ones;
+ register vec_u8 max;
+ register vec_u8 min;
+ register vec_u8 newp1;
+
+ temp = vec_xor(average, p2);
+ average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */
+ ones = vec_splat_u8(1);
+ temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */
+ uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */
+ max = vec_adds(p1, tc0);
+ min = vec_subs(p1, tc0);
+ newp1 = vec_max(min, uncliped);
+ newp1 = vec_min(max, newp1);
+ return newp1;
+}
+
+#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \
+ \
+ const vec_u8 A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \
+ \
+ register vec_u8 pq0bit = vec_xor(p0,q0); \
+ register vec_u8 q1minus; \
+ register vec_u8 p0minus; \
+ register vec_u8 stage1; \
+ register vec_u8 stage2; \
+ register vec_u8 vec160; \
+ register vec_u8 delta; \
+ register vec_u8 deltaneg; \
+ \
+ q1minus = vec_nor(q1, q1); /* 255 - q1 */ \
+ stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \
+ stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \
+ p0minus = vec_nor(p0, p0); /* 255 - p0 */ \
+ stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \
+ pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \
+ stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \
+ stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \
+ vec160 = vec_ld(0, &A0v); \
+ deltaneg = vec_subs(vec160, stage2); /* -d */ \
+ delta = vec_subs(stage2, vec160); /* d */ \
+ deltaneg = vec_min(tc0masked, deltaneg); \
+ delta = vec_min(tc0masked, delta); \
+ p0 = vec_subs(p0, deltaneg); \
+ q0 = vec_subs(q0, delta); \
+ p0 = vec_adds(p0, delta); \
+ q0 = vec_adds(q0, deltaneg); \
+}
+
+#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \
+ DECLARE_ALIGNED_16(unsigned char, temp[16]); \
+ register vec_u8 alphavec; \
+ register vec_u8 betavec; \
+ register vec_u8 mask; \
+ register vec_u8 p1mask; \
+ register vec_u8 q1mask; \
+ register vector signed char tc0vec; \
+ register vec_u8 finaltc0; \
+ register vec_u8 tc0masked; \
+ register vec_u8 newp1; \
+ register vec_u8 newq1; \
+ \
+ temp[0] = alpha; \
+ temp[1] = beta; \
+ alphavec = vec_ld(0, temp); \
+ betavec = vec_splat(alphavec, 0x1); \
+ alphavec = vec_splat(alphavec, 0x0); \
+ mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \
+ \
+ *((int *)temp) = *((int *)tc0); \
+ tc0vec = vec_ld(0, (signed char*)temp); \
+ tc0vec = vec_mergeh(tc0vec, tc0vec); \
+ tc0vec = vec_mergeh(tc0vec, tc0vec); \
+ mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \
+ finaltc0 = vec_and((vec_u8)tc0vec, mask); /* tc = tc0 */ \
+ \
+ p1mask = diff_lt_altivec(p2, p0, betavec); \
+ p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \
+ tc0masked = vec_and(p1mask, (vec_u8)tc0vec); \
+ finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \
+ newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \
+ /*end if*/ \
+ \
+ q1mask = diff_lt_altivec(q2, q0, betavec); \
+ q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\
+ tc0masked = vec_and(q1mask, (vec_u8)tc0vec); \
+ finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \
+ newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \
+ /*end if*/ \
+ \
+ h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \
+ p1 = newp1; \
+ q1 = newq1; \
+}
+
+static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
+
+ if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) {
+ register vec_u8 p2 = vec_ld(-3*stride, pix);
+ register vec_u8 p1 = vec_ld(-2*stride, pix);
+ register vec_u8 p0 = vec_ld(-1*stride, pix);
+ register vec_u8 q0 = vec_ld(0, pix);
+ register vec_u8 q1 = vec_ld(stride, pix);
+ register vec_u8 q2 = vec_ld(2*stride, pix);
+ h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0);
+ vec_st(p1, -2*stride, pix);
+ vec_st(p0, -1*stride, pix);
+ vec_st(q0, 0, pix);
+ vec_st(q1, stride, pix);
+ }
+}
+
+static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
+
+ register vec_u8 line0, line1, line2, line3, line4, line5;
+ if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0)
+ return;
+ readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
+ h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0);
+ transpose4x16(line1, line2, line3, line4);
+ write16x4(pix-2, stride, line1, line2, line3, line4);
+}
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;
+ if (has_altivec()) {
+ c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
+ c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec;
+ c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
+/* ff_h264_idct_add_altivec may be re-enabled once AltiVec versions of
+ h264_idct_add16, h264_idct_add16intra, h264_idct_add8 are implemented
+ c->h264_idct_add = ff_h264_idct_add_altivec;
+*/
+ c->h264_idct8_add = ff_h264_idct8_add_altivec;
+ c->h264_idct8_add4 = ff_h264_idct8_add4_altivec;
+ c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec;
+ c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_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);
+ 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 ...
- }
+ }
}
projects / ffmpeg / blobdiff