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Diffstat (limited to 'libavcodec/sh4/hpeldsp.c')
-rw-r--r--libavcodec/sh4/hpeldsp.c347
1 files changed, 347 insertions, 0 deletions
diff --git a/libavcodec/sh4/hpeldsp.c b/libavcodec/sh4/hpeldsp.c
new file mode 100644
index 0000000000..b524003f3e
--- /dev/null
+++ b/libavcodec/sh4/hpeldsp.c
@@ -0,0 +1,347 @@
+/*
+ * aligned/packed access motion
+ *
+ * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp>
+ *
+ * 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 "libavcodec/avcodec.h"
+#include "libavcodec/dsputil.h"
+#include "libavcodec/bit_depth_template.c" // for BYTE_VEC32
+#include "dsputil_sh4.h"
+
+
+#define LP(p) *(uint32_t*)(p)
+#define LPC(p) *(const uint32_t*)(p)
+
+
+#define UNPACK(ph,pl,tt0,tt1) do { \
+ uint32_t t0,t1; t0=tt0;t1=tt1; \
+ ph = ( (t0 & ~BYTE_VEC32(0x03))>>2) + ( (t1 & ~BYTE_VEC32(0x03))>>2); \
+ pl = (t0 & BYTE_VEC32(0x03)) + (t1 & BYTE_VEC32(0x03)); } while(0)
+
+#define rnd_PACK(ph,pl,nph,npl) ph + nph + (((pl + npl + BYTE_VEC32(0x02))>>2) & BYTE_VEC32(0x03))
+#define no_rnd_PACK(ph,pl,nph,npl) ph + nph + (((pl + npl + BYTE_VEC32(0x01))>>2) & BYTE_VEC32(0x03))
+
+/* little-endian */
+#define MERGE1(a,b,ofs) (ofs==0)?a:( ((a)>>(8*ofs))|((b)<<(32-8*ofs)) )
+#define MERGE2(a,b,ofs) (ofs==3)?b:( ((a)>>(8*(ofs+1)))|((b)<<(32-8*(ofs+1))) )
+/* big
+#define MERGE1(a,b,ofs) (ofs==0)?a:( ((a)<<(8*ofs))|((b)>>(32-8*ofs)) )
+#define MERGE2(a,b,ofs) (ofs==3)?b:( ((a)<<(8+8*ofs))|((b)>>(32-8-8*ofs)) )
+*/
+
+
+#define put(d,s) d = s
+#define avg(d,s) d = rnd_avg32(s,d)
+
+#define OP_C4(ofs) \
+ ref-=ofs; \
+ do { \
+ OP(LP(dest),MERGE1(LPC(ref),LPC(ref+4),ofs)); \
+ ref+=stride; \
+ dest+=stride; \
+ } while(--height)
+
+#define OP_C40() \
+ do { \
+ OP(LP(dest),LPC(ref)); \
+ ref+=stride; \
+ dest+=stride; \
+ } while(--height)
+
+
+#define OP put
+
+static void put_pixels4_c(uint8_t *dest,const uint8_t *ref, const int stride,int height)
+{
+ switch((int)ref&3){
+ case 0: OP_C40(); return;
+ case 1: OP_C4(1); return;
+ case 2: OP_C4(2); return;
+ case 3: OP_C4(3); return;
+ }
+}
+
+#undef OP
+#define OP avg
+
+static void avg_pixels4_c(uint8_t *dest,const uint8_t *ref, const int stride,int height)
+{
+ switch((int)ref&3){
+ case 0: OP_C40(); return;
+ case 1: OP_C4(1); return;
+ case 2: OP_C4(2); return;
+ case 3: OP_C4(3); return;
+ }
+}
+
+#undef OP
+
+#define OP_C(ofs,sz,avg2) \
+{ \
+ ref-=ofs; \
+ do { \
+ uint32_t t0,t1; \
+ t0 = LPC(ref+0); \
+ t1 = LPC(ref+4); \
+ OP(LP(dest+0), MERGE1(t0,t1,ofs)); \
+ t0 = LPC(ref+8); \
+ OP(LP(dest+4), MERGE1(t1,t0,ofs)); \
+if (sz==16) { \
+ t1 = LPC(ref+12); \
+ OP(LP(dest+8), MERGE1(t0,t1,ofs)); \
+ t0 = LPC(ref+16); \
+ OP(LP(dest+12), MERGE1(t1,t0,ofs)); \
+} \
+ ref+=stride; \
+ dest+= stride; \
+ } while(--height); \
+}
+
+/* aligned */
+#define OP_C0(sz,avg2) \
+{ \
+ do { \
+ OP(LP(dest+0), LPC(ref+0)); \
+ OP(LP(dest+4), LPC(ref+4)); \
+if (sz==16) { \
+ OP(LP(dest+8), LPC(ref+8)); \
+ OP(LP(dest+12), LPC(ref+12)); \
+} \
+ ref+=stride; \
+ dest+= stride; \
+ } while(--height); \
+}
+
+#define OP_X(ofs,sz,avg2) \
+{ \
+ ref-=ofs; \
+ do { \
+ uint32_t t0,t1; \
+ t0 = LPC(ref+0); \
+ t1 = LPC(ref+4); \
+ OP(LP(dest+0), avg2(MERGE1(t0,t1,ofs),MERGE2(t0,t1,ofs))); \
+ t0 = LPC(ref+8); \
+ OP(LP(dest+4), avg2(MERGE1(t1,t0,ofs),MERGE2(t1,t0,ofs))); \
+if (sz==16) { \
+ t1 = LPC(ref+12); \
+ OP(LP(dest+8), avg2(MERGE1(t0,t1,ofs),MERGE2(t0,t1,ofs))); \
+ t0 = LPC(ref+16); \
+ OP(LP(dest+12), avg2(MERGE1(t1,t0,ofs),MERGE2(t1,t0,ofs))); \
+} \
+ ref+=stride; \
+ dest+= stride; \
+ } while(--height); \
+}
+
+/* aligned */
+#define OP_Y0(sz,avg2) \
+{ \
+ uint32_t t0,t1,t2,t3,t; \
+\
+ t0 = LPC(ref+0); \
+ t1 = LPC(ref+4); \
+if (sz==16) { \
+ t2 = LPC(ref+8); \
+ t3 = LPC(ref+12); \
+} \
+ do { \
+ ref += stride; \
+\
+ t = LPC(ref+0); \
+ OP(LP(dest+0), avg2(t0,t)); t0 = t; \
+ t = LPC(ref+4); \
+ OP(LP(dest+4), avg2(t1,t)); t1 = t; \
+if (sz==16) { \
+ t = LPC(ref+8); \
+ OP(LP(dest+8), avg2(t2,t)); t2 = t; \
+ t = LPC(ref+12); \
+ OP(LP(dest+12), avg2(t3,t)); t3 = t; \
+} \
+ dest+= stride; \
+ } while(--height); \
+}
+
+#define OP_Y(ofs,sz,avg2) \
+{ \
+ uint32_t t0,t1,t2,t3,t,w0,w1; \
+\
+ ref-=ofs; \
+ w0 = LPC(ref+0); \
+ w1 = LPC(ref+4); \
+ t0 = MERGE1(w0,w1,ofs); \
+ w0 = LPC(ref+8); \
+ t1 = MERGE1(w1,w0,ofs); \
+if (sz==16) { \
+ w1 = LPC(ref+12); \
+ t2 = MERGE1(w0,w1,ofs); \
+ w0 = LPC(ref+16); \
+ t3 = MERGE1(w1,w0,ofs); \
+} \
+ do { \
+ ref += stride; \
+\
+ w0 = LPC(ref+0); \
+ w1 = LPC(ref+4); \
+ t = MERGE1(w0,w1,ofs); \
+ OP(LP(dest+0), avg2(t0,t)); t0 = t; \
+ w0 = LPC(ref+8); \
+ t = MERGE1(w1,w0,ofs); \
+ OP(LP(dest+4), avg2(t1,t)); t1 = t; \
+if (sz==16) { \
+ w1 = LPC(ref+12); \
+ t = MERGE1(w0,w1,ofs); \
+ OP(LP(dest+8), avg2(t2,t)); t2 = t; \
+ w0 = LPC(ref+16); \
+ t = MERGE1(w1,w0,ofs); \
+ OP(LP(dest+12), avg2(t3,t)); t3 = t; \
+} \
+ dest+=stride; \
+ } while(--height); \
+}
+
+#define OP_X0(sz,avg2) OP_X(0,sz,avg2)
+#define OP_XY0(sz,PACK) OP_XY(0,sz,PACK)
+#define OP_XY(ofs,sz,PACK) \
+{ \
+ uint32_t t2,t3,w0,w1; \
+ uint32_t a0,a1,a2,a3,a4,a5,a6,a7; \
+\
+ ref -= ofs; \
+ w0 = LPC(ref+0); \
+ w1 = LPC(ref+4); \
+ UNPACK(a0,a1,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
+ w0 = LPC(ref+8); \
+ UNPACK(a2,a3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
+if (sz==16) { \
+ w1 = LPC(ref+12); \
+ UNPACK(a4,a5,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
+ w0 = LPC(ref+16); \
+ UNPACK(a6,a7,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
+} \
+ do { \
+ ref+=stride; \
+ w0 = LPC(ref+0); \
+ w1 = LPC(ref+4); \
+ UNPACK(t2,t3,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
+ OP(LP(dest+0),PACK(a0,a1,t2,t3)); \
+ a0 = t2; a1 = t3; \
+ w0 = LPC(ref+8); \
+ UNPACK(t2,t3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
+ OP(LP(dest+4),PACK(a2,a3,t2,t3)); \
+ a2 = t2; a3 = t3; \
+if (sz==16) { \
+ w1 = LPC(ref+12); \
+ UNPACK(t2,t3,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
+ OP(LP(dest+8),PACK(a4,a5,t2,t3)); \
+ a4 = t2; a5 = t3; \
+ w0 = LPC(ref+16); \
+ UNPACK(t2,t3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
+ OP(LP(dest+12),PACK(a6,a7,t2,t3)); \
+ a6 = t2; a7 = t3; \
+} \
+ dest+=stride; \
+ } while(--height); \
+}
+
+#define DEFFUNC(prefix, op,rnd,xy,sz,OP_N,avgfunc) \
+prefix void op##_##rnd##_pixels##sz##_##xy (uint8_t * dest, const uint8_t * ref, \
+ const int stride, int height) \
+{ \
+ switch((int)ref&3) { \
+ case 0:OP_N##0(sz,rnd##_##avgfunc); return; \
+ case 1:OP_N(1,sz,rnd##_##avgfunc); return; \
+ case 2:OP_N(2,sz,rnd##_##avgfunc); return; \
+ case 3:OP_N(3,sz,rnd##_##avgfunc); return; \
+ } \
+}
+
+#define OP put
+
+DEFFUNC( ,ff_put,rnd,o,8,OP_C,avg32)
+DEFFUNC(static,put, rnd,x,8,OP_X,avg32)
+DEFFUNC(static,put,no_rnd,x,8,OP_X,avg32)
+DEFFUNC(static,put, rnd,y,8,OP_Y,avg32)
+DEFFUNC(static,put,no_rnd,y,8,OP_Y,avg32)
+DEFFUNC(static,put, rnd,xy,8,OP_XY,PACK)
+DEFFUNC(static,put,no_rnd,xy,8,OP_XY,PACK)
+DEFFUNC( ,ff_put,rnd,o,16,OP_C,avg32)
+DEFFUNC(static,put, rnd,x,16,OP_X,avg32)
+DEFFUNC(static,put,no_rnd,x,16,OP_X,avg32)
+DEFFUNC(static,put, rnd,y,16,OP_Y,avg32)
+DEFFUNC(static,put,no_rnd,y,16,OP_Y,avg32)
+DEFFUNC(static,put, rnd,xy,16,OP_XY,PACK)
+DEFFUNC(static,put,no_rnd,xy,16,OP_XY,PACK)
+
+#undef OP
+#define OP avg
+
+DEFFUNC( ,ff_avg,rnd,o,8,OP_C,avg32)
+DEFFUNC(static,avg, rnd,x,8,OP_X,avg32)
+DEFFUNC(static,avg, rnd,y,8,OP_Y,avg32)
+DEFFUNC(static,avg, rnd,xy,8,OP_XY,PACK)
+DEFFUNC( ,ff_avg,rnd,o,16,OP_C,avg32)
+DEFFUNC(static,avg, rnd,x,16,OP_X,avg32)
+DEFFUNC(static,avg,no_rnd,x,16,OP_X,avg32)
+DEFFUNC(static,avg, rnd,y,16,OP_Y,avg32)
+DEFFUNC(static,avg,no_rnd,y,16,OP_Y,avg32)
+DEFFUNC(static,avg, rnd,xy,16,OP_XY,PACK)
+DEFFUNC(static,avg,no_rnd,xy,16,OP_XY,PACK)
+
+#undef OP
+
+#define ff_put_no_rnd_pixels8_o ff_put_rnd_pixels8_o
+#define ff_put_no_rnd_pixels16_o ff_put_rnd_pixels16_o
+#define ff_avg_no_rnd_pixels16_o ff_avg_rnd_pixels16_o
+
+void ff_hpeldsp_init_sh4(HpelDSPContext* c, int flags)
+{
+ c->put_pixels_tab[0][0] = ff_put_rnd_pixels16_o;
+ c->put_pixels_tab[0][1] = put_rnd_pixels16_x;
+ c->put_pixels_tab[0][2] = put_rnd_pixels16_y;
+ c->put_pixels_tab[0][3] = put_rnd_pixels16_xy;
+ c->put_pixels_tab[1][0] = ff_put_rnd_pixels8_o;
+ c->put_pixels_tab[1][1] = put_rnd_pixels8_x;
+ c->put_pixels_tab[1][2] = put_rnd_pixels8_y;
+ c->put_pixels_tab[1][3] = put_rnd_pixels8_xy;
+
+ c->put_no_rnd_pixels_tab[0][0] = ff_put_no_rnd_pixels16_o;
+ c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x;
+ c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y;
+ c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy;
+ c->put_no_rnd_pixels_tab[1][0] = ff_put_no_rnd_pixels8_o;
+ c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x;
+ c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y;
+ c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy;
+
+ c->avg_pixels_tab[0][0] = ff_avg_rnd_pixels16_o;
+ c->avg_pixels_tab[0][1] = avg_rnd_pixels16_x;
+ c->avg_pixels_tab[0][2] = avg_rnd_pixels16_y;
+ c->avg_pixels_tab[0][3] = avg_rnd_pixels16_xy;
+ c->avg_pixels_tab[1][0] = ff_avg_rnd_pixels8_o;
+ c->avg_pixels_tab[1][1] = avg_rnd_pixels8_x;
+ c->avg_pixels_tab[1][2] = avg_rnd_pixels8_y;
+ c->avg_pixels_tab[1][3] = avg_rnd_pixels8_xy;
+
+ c->avg_no_rnd_pixels_tab[0] = ff_avg_no_rnd_pixels16_o;
+ c->avg_no_rnd_pixels_tab[1] = avg_no_rnd_pixels16_x;
+ c->avg_no_rnd_pixels_tab[2] = avg_no_rnd_pixels16_y;
+ c->avg_no_rnd_pixels_tab[3] = avg_no_rnd_pixels16_xy;
+}
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