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Diffstat (limited to 'contrib/ffmpeg/libavcodec/ppc/h264_altivec.c')
-rw-r--r--contrib/ffmpeg/libavcodec/ppc/h264_altivec.c438
1 files changed, 438 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/ppc/h264_altivec.c b/contrib/ffmpeg/libavcodec/ppc/h264_altivec.c
new file mode 100644
index 000000000..4aa366f97
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/ppc/h264_altivec.c
@@ -0,0 +1,438 @@
+/*
+ * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
+ *
+ * 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 2.1 of the License, or (at your option) any later version.
+ *
+ * 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 FFmpeg; 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 "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 "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(uint8_t, half[SIZE*SIZE]);\
+ 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(uint8_t, half[SIZE*SIZE]);\
+ 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(uint8_t, half[SIZE*SIZE]);\
+ 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(uint8_t, half[SIZE*SIZE]);\
+ 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(uint8_t, halfH[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfV[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(uint8_t, halfH[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfV[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(uint8_t, halfH[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfV[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(uint8_t, halfH[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfV[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(int16_t, tmp[SIZE*(SIZE+8)]);\
+ 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(uint8_t, halfH[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
+ 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(uint8_t, halfH[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
+ 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(uint8_t, halfV[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
+ 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(uint8_t, halfV[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
+ DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
+ 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);\
+}\
+
+/* 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) {
+ signed int ABCD[4] __attribute__((aligned(16))) =
+ {((8 - x) * (8 - y)),
+ ((x) * (8 - y)),
+ ((8 - x) * (y)),
+ ((x) * (y))};
+ register int i;
+ vector unsigned char fperm;
+ const vector signed int vABCD = vec_ld(0, ABCD);
+ const vector signed short vA = vec_splat((vector signed short)vABCD, 1);
+ const vector signed short vB = vec_splat((vector signed short)vABCD, 3);
+ const vector signed short vC = vec_splat((vector signed short)vABCD, 5);
+ const vector signed short vD = vec_splat((vector signed short)vABCD, 7);
+ const vector signed int vzero = vec_splat_s32(0);
+ const vector signed short v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4));
+ const vector unsigned short 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;
+
+ vector unsigned char vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1;
+ vector unsigned char vsrc0uc, vsrc1uc;
+ vector signed short vsrc0ssH, vsrc1ssH;
+ vector unsigned char vsrcCuc, vsrc2uc, vsrc3uc;
+ vector signed short vsrc2ssH, vsrc3ssH, psum;
+ vector unsigned char vdst, ppsum, vfdst, fsum;
+
+ if (((unsigned long)dst) % 16 == 0) {
+ fperm = (vector unsigned char)AVV(0x10, 0x11, 0x12, 0x13,
+ 0x14, 0x15, 0x16, 0x17,
+ 0x08, 0x09, 0x0A, 0x0B,
+ 0x0C, 0x0D, 0x0E, 0x0F);
+ } else {
+ fperm = (vector unsigned char)AVV(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 = (vector signed short)vec_mergeh((vector unsigned char)vzero,
+ (vector unsigned char)vsrc0uc);
+ vsrc1ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
+ (vector unsigned char)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 = (vector signed short)vec_mergeh((vector unsigned char)vzero,
+ (vector unsigned char)vsrc2uc);
+ vsrc3ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
+ (vector unsigned char)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 = (vector unsigned char)vec_packsu(psum, psum);
+ fsum = vec_perm(vdst, ppsum, fperm);
+
+ vec_st(fsum, 0, dst);
+
+ vsrc0ssH = vsrc2ssH;
+ vsrc1ssH = vsrc3ssH;
+
+ dst += stride;
+ src += stride;
+ }
+ } else {
+ vector unsigned char 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 = (vector signed short)vec_mergeh((vector unsigned char)vzero,
+ (vector unsigned char)vsrc2uc);
+ vsrc3ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
+ (vector unsigned char)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 = (vector unsigned char)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;
+
+ 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);
+
+ tmp2 = vec_perm(d, edges, align);
+ tmp1 = vec_perm(edges, d, 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);
+
+ tmp2 = vec_perm(d, edges, align);
+ tmp1 = vec_perm(edges, d, 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->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;
+
+#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 ...
+ }
+}