dsputil: Separate h264chroma

1 files changed, 132 insertions, 0 deletions

diff --git a/libavcodec/sh4/h264chroma_init.c b/libavcodec/sh4/h264chroma_init.c
new file mode 100644
index 0000000000..5681a245ae
--- /dev/null
+++ b/libavcodec/sh4/h264chroma_init.c
@@ -0,0 +1,132 @@
+/*
+ * aligned/packed access motion
+ *
+ * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp>
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <assert.h>
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavcodec/h264chroma.h"
+
+#define H264_CHROMA_MC(OPNAME, OP)\
+static void OPNAME ## h264_chroma_mc2_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+    const int A=(8-x)*(8-y);\
+    const int B=(  x)*(8-y);\
+    const int C=(8-x)*(  y);\
+    const int D=(  x)*(  y);\
+    \
+    assert(x<8 && y<8 && x>=0 && y>=0);\
+\
+    do {\
+        int t0,t1,t2,t3; \
+        uint8_t *s0 = src; \
+        uint8_t *s1 = src+stride; \
+        t0 = *s0++; t2 = *s1++; \
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[0], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[1], (A*t1 + B*t0 + C*t3 + D*t2));\
+        dst+= stride;\
+        src+= stride;\
+    }while(--h);\
+}\
+\
+static void OPNAME ## h264_chroma_mc4_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+    const int A=(8-x)*(8-y);\
+    const int B=(  x)*(8-y);\
+    const int C=(8-x)*(  y);\
+    const int D=(  x)*(  y);\
+    \
+    assert(x<8 && y<8 && x>=0 && y>=0);\
+\
+    do {\
+        int t0,t1,t2,t3; \
+        uint8_t *s0 = src; \
+        uint8_t *s1 = src+stride; \
+        t0 = *s0++; t2 = *s1++; \
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[0], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[1], (A*t1 + B*t0 + C*t3 + D*t2));\
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[2], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[3], (A*t1 + B*t0 + C*t3 + D*t2));\
+        dst+= stride;\
+        src+= stride;\
+    }while(--h);\
+}\
+\
+static void OPNAME ## h264_chroma_mc8_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+    const int A=(8-x)*(8-y);\
+    const int B=(  x)*(8-y);\
+    const int C=(8-x)*(  y);\
+    const int D=(  x)*(  y);\
+    \
+    assert(x<8 && y<8 && x>=0 && y>=0);\
+\
+    do {\
+        int t0,t1,t2,t3; \
+        uint8_t *s0 = src; \
+        uint8_t *s1 = src+stride; \
+        t0 = *s0++; t2 = *s1++; \
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[0], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[1], (A*t1 + B*t0 + C*t3 + D*t2));\
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[2], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[3], (A*t1 + B*t0 + C*t3 + D*t2));\
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[4], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[5], (A*t1 + B*t0 + C*t3 + D*t2));\
+        t1 = *s0++; t3 = *s1++; \
+        OP(dst[6], (A*t0 + B*t1 + C*t2 + D*t3));\
+        t0 = *s0++; t2 = *s1++; \
+        OP(dst[7], (A*t1 + B*t0 + C*t3 + D*t2));\
+        dst+= stride;\
+        src+= stride;\
+    }while(--h);\
+}
+
+#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1)
+#define op_put(a, b) a = (((b) + 32)>>6)
+
+H264_CHROMA_MC(put_       , op_put)
+H264_CHROMA_MC(avg_       , op_avg)
+#undef op_avg
+#undef op_put
+
+av_cold void ff_h264chroma_init_sh4(H264ChromaContext *c, int bit_depth)
+{
+    const int high_bit_depth = bit_depth > 8;
+
+    if (!high_bit_depth) {
+    c->put_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_sh4;
+    c->put_h264_chroma_pixels_tab[1]= put_h264_chroma_mc4_sh4;
+    c->put_h264_chroma_pixels_tab[2]= put_h264_chroma_mc2_sh4;
+    c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_sh4;
+    c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_sh4;
+    c->avg_h264_chroma_pixels_tab[2]= avg_h264_chroma_mc2_sh4;
+    }
+}