diff options
Diffstat (limited to 'libavcodec/ppc/h264dsp.c')
| -rw-r--r-- | libavcodec/ppc/h264dsp.c | 135 |
1 files changed, 87 insertions, 48 deletions
diff --git a/libavcodec/ppc/h264dsp.c b/libavcodec/ppc/h264dsp.c index 9247cdf..f510544 100644 --- a/libavcodec/ppc/h264dsp.c +++ b/libavcodec/ppc/h264dsp.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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 2.1 of the License, or (at your option) any later version. * - * Libav 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 Libav; 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 */ @@ -33,7 +33,7 @@ #include "libavcodec/h264dec.h" #include "libavcodec/h264dsp.h" -#if HAVE_ALTIVEC && HAVE_BIGENDIAN +#if HAVE_ALTIVEC /**************************************************************************** * IDCT transform: @@ -67,10 +67,17 @@ b2 = vec_mergeh( a1, a3 ); \ b3 = vec_mergel( a1, a3 ) +#if HAVE_BIGENDIAN +#define vdst_load(d) \ + vdst_orig = vec_ld(0, dst); \ + vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); +#else +#define vdst_load(d) vdst = vec_vsx_ld(0, dst) +#endif + #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); \ + vdst_load(); \ + 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); \ @@ -170,26 +177,43 @@ static void h264_idct_add_altivec(uint8_t *dst, int16_t *block, int stride) d7 = vec_sub(b0v, b7v); \ } +#if HAVE_BIGENDIAN +#define GET_2PERM(ldv, stv, d) \ + ldv = vec_lvsl(0, d); \ + stv = vec_lvsr(8, d); +#define dstv_load(d) \ + vec_u8 hv = vec_ld( 0, d ); \ + vec_u8 lv = vec_ld( 7, d); \ + vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); +#define dest_unligned_store(d) \ + vec_u8 edgehv; \ + 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, d ); \ + hv = vec_ld( 0, d ); \ + edgehv = vec_perm( zero_u8v, sel, perm_stv ); \ + hv = vec_sel( hv, bodyv, edgehv ); \ + vec_st( hv, 0, d ); +#else + +#define GET_2PERM(ldv, stv, d) {} +#define dstv_load(d) vec_u8 dstv = vec_vsx_ld(0, d) +#define dest_unligned_store(d)\ + vec_u8 dst8 = vec_perm((vec_u8)idstsum8, dstv, vcprm(2,3,s2,s3));\ + vec_vsx_st(dst8, 0, d) +#endif /* HAVE_BIGENDIAN */ + #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 ); \ + dstv_load(dest); \ vec_s16 idct_sh6 = vec_sra(idctv, sixv); \ - vec_u16 dst16 = (vec_u16)vec_mergeh(zero_u8v, dstv); \ + 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 ); \ - } + dest_unligned_store(dest);\ +} static void h264_idct8_add_altivec(uint8_t *dst, int16_t *dct, int stride) { @@ -197,8 +221,8 @@ static void h264_idct8_add_altivec(uint8_t *dst, int16_t *dct, int stride) 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); + vec_u8 perm_ldv, perm_stv; + GET_2PERM(perm_ldv, perm_stv, dst); const vec_u16 onev = vec_splat_u16(1); const vec_u16 twov = vec_splat_u16(2); @@ -237,32 +261,41 @@ static void h264_idct8_add_altivec(uint8_t *dst, int16_t *dct, int stride) ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel); } +#if HAVE_BIGENDIAN +#define DST_LD vec_ld +#else +#define DST_LD vec_vsx_ld +#endif static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, int16_t *block, int stride, int size) { vec_s16 dc16; vec_u8 dcplus, dcminus, v0, v1, v2, v3, aligner; + vec_s32 v_dc32; LOAD_ZERO; DECLARE_ALIGNED(16, int, dc); int i; dc = (block[0] + 32) >> 6; block[0] = 0; - dc16 = vec_splat((vec_s16) vec_lde(0, &dc), 1); + v_dc32 = vec_lde(0, &dc); + dc16 = VEC_SPLAT16((vec_s16)v_dc32, 1); if (size == 4) - dc16 = vec_sld(dc16, zero_s16v, 8); + dc16 = VEC_SLD16(dc16, zero_s16v, 8); dcplus = vec_packsu(dc16, zero_s16v); dcminus = vec_packsu(vec_sub(zero_s16v, dc16), zero_s16v); +#if HAVE_BIGENDIAN aligner = vec_lvsr(0, dst); dcplus = vec_perm(dcplus, dcplus, aligner); dcminus = vec_perm(dcminus, dcminus, aligner); +#endif for (i = 0; i < size; i += 4) { - v0 = vec_ld(0, dst+0*stride); - v1 = vec_ld(0, dst+1*stride); - v2 = vec_ld(0, dst+2*stride); - v3 = vec_ld(0, dst+3*stride); + v0 = DST_LD(0, dst+0*stride); + v1 = DST_LD(0, dst+1*stride); + v2 = DST_LD(0, dst+2*stride); + v3 = DST_LD(0, dst+3*stride); v0 = vec_adds(v0, dcplus); v1 = vec_adds(v1, dcplus); @@ -274,10 +307,10 @@ static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, int16_t *bl v2 = vec_subs(v2, dcminus); v3 = vec_subs(v3, dcminus); - vec_st(v0, 0, dst+0*stride); - vec_st(v1, 0, dst+1*stride); - vec_st(v2, 0, dst+2*stride); - vec_st(v3, 0, dst+3*stride); + VEC_ST(v0, 0, dst+0*stride); + VEC_ST(v1, 0, dst+1*stride); + VEC_ST(v2, 0, dst+2*stride); + VEC_ST(v3, 0, dst+3*stride); dst += 4*stride; } @@ -496,7 +529,7 @@ static inline vec_u8 h264_deblock_q1(register vec_u8 p0, register vec_u8 average = vec_avg(p0, q0); register vec_u8 temp; - register vec_u8 uncliped; + register vec_u8 unclipped; register vec_u8 ones; register vec_u8 max; register vec_u8 min; @@ -506,10 +539,10 @@ static inline vec_u8 h264_deblock_q1(register vec_u8 p0, 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 */ + unclipped = 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_max(min, unclipped); newp1 = vec_min(max, newp1); return newp1; } @@ -638,6 +671,9 @@ void weight_h264_W_altivec(uint8_t *block, int stride, int height, temp[2] = offset; vtemp = (vec_s16)vec_ld(0, temp); +#if !HAVE_BIGENDIAN + vtemp =(vec_s16)vec_perm(vtemp, vtemp, vcswapi2s(0,1,2,3)); +#endif vlog2_denom = (vec_u16)vec_splat(vtemp, 1); vweight = vec_splat(vtemp, 3); voffset = vec_splat(vtemp, 5); @@ -646,8 +682,8 @@ void weight_h264_W_altivec(uint8_t *block, int stride, int height, for (y = 0; y < height; y++) { vblock = vec_ld(0, block); - v0 = (vec_s16)vec_mergeh(zero_u8v, vblock); - v1 = (vec_s16)vec_mergel(zero_u8v, vblock); + v0 = (vec_s16)VEC_MERGEH(zero_u8v, vblock); + v1 = (vec_s16)VEC_MERGEL(zero_u8v, vblock); if (w == 16 || aligned) { v0 = vec_mladd(v0, vweight, zero_s16v); @@ -684,6 +720,9 @@ void biweight_h264_W_altivec(uint8_t *dst, uint8_t *src, int stride, int height, temp[3] = offset; vtemp = (vec_s16)vec_ld(0, temp); +#if !HAVE_BIGENDIAN + vtemp =(vec_s16)vec_perm(vtemp, vtemp, vcswapi2s(0,1,2,3)); +#endif vlog2_denom = (vec_u16)vec_splat(vtemp, 1); vweights = vec_splat(vtemp, 3); vweightd = vec_splat(vtemp, 5); @@ -695,10 +734,10 @@ void biweight_h264_W_altivec(uint8_t *dst, uint8_t *src, int stride, int height, vdst = vec_ld(0, dst); vsrc = vec_ld(0, src); - v0 = (vec_s16)vec_mergeh(zero_u8v, vdst); - v1 = (vec_s16)vec_mergel(zero_u8v, vdst); - v2 = (vec_s16)vec_mergeh(zero_u8v, vsrc); - v3 = (vec_s16)vec_mergel(zero_u8v, vsrc); + v0 = (vec_s16)VEC_MERGEH(zero_u8v, vdst); + v1 = (vec_s16)VEC_MERGEL(zero_u8v, vdst); + v2 = (vec_s16)VEC_MERGEH(zero_u8v, vsrc); + v3 = (vec_s16)VEC_MERGEL(zero_u8v, vsrc); if (w == 8) { if (src_aligned) @@ -732,12 +771,12 @@ void biweight_h264_W_altivec(uint8_t *dst, uint8_t *src, int stride, int height, } #define H264_WEIGHT(W) \ -static void weight_h264_pixels ## W ## _altivec(uint8_t *block, int stride, int height, \ +static void weight_h264_pixels ## W ## _altivec(uint8_t *block, ptrdiff_t stride, int height, \ int log2_denom, int weight, int offset) \ { \ weight_h264_W_altivec(block, stride, height, log2_denom, weight, offset, W); \ }\ -static void biweight_h264_pixels ## W ## _altivec(uint8_t *dst, uint8_t *src, int stride, int height, \ +static void biweight_h264_pixels ## W ## _altivec(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, \ int log2_denom, int weightd, int weights, int offset) \ { \ biweight_h264_W_altivec(dst, src, stride, height, log2_denom, weightd, weights, offset, W); \ @@ -745,12 +784,12 @@ static void biweight_h264_pixels ## W ## _altivec(uint8_t *dst, uint8_t *src, in H264_WEIGHT(16) H264_WEIGHT( 8) -#endif /* HAVE_ALTIVEC && HAVE_BIGENDIAN */ +#endif /* HAVE_ALTIVEC */ av_cold void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, const int chroma_format_idc) { -#if HAVE_ALTIVEC && HAVE_BIGENDIAN +#if HAVE_ALTIVEC if (!PPC_ALTIVEC(av_get_cpu_flags())) return; @@ -772,5 +811,5 @@ av_cold void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, c->biweight_h264_pixels_tab[0] = biweight_h264_pixels16_altivec; c->biweight_h264_pixels_tab[1] = biweight_h264_pixels8_altivec; } -#endif /* HAVE_ALTIVEC && HAVE_BIGENDIAN */ +#endif /* HAVE_ALTIVEC */ } |
