From 8992cb1d0d07edc33d274f6d7924ecdf6f83d994 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Thu, 5 Sep 2013 17:57:22 +0100
Subject: making act segmenter

---
 ffmpeg/libavcodec/dsputil_template.c | 260 +++++++++++++++++++++++++++++++++++
 1 file changed, 260 insertions(+)
 create mode 100644 ffmpeg/libavcodec/dsputil_template.c

(limited to 'ffmpeg/libavcodec/dsputil_template.c')

diff --git a/ffmpeg/libavcodec/dsputil_template.c b/ffmpeg/libavcodec/dsputil_template.c
new file mode 100644
index 0000000..349da7d
--- /dev/null
+++ b/ffmpeg/libavcodec/dsputil_template.c
@@ -0,0 +1,260 @@
+/*
+ * DSP utils
+ * Copyright (c) 2000, 2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * DSP utils
+ */
+
+#include "bit_depth_template.c"
+
+#if BIT_DEPTH == 8
+/* draw the edges of width 'w' of an image of size width, height */
+//FIXME check that this is ok for mpeg4 interlaced
+static void FUNCC(draw_edges)(uint8_t *p_buf, int p_wrap, int width, int height, int w, int h, int sides)
+{
+    pixel *buf = (pixel*)p_buf;
+    int wrap = p_wrap / sizeof(pixel);
+    pixel *ptr, *last_line;
+    int i;
+
+    /* left and right */
+    ptr = buf;
+    for(i=0;i<height;i++) {
+        memset(ptr - w, ptr[0], w);
+        memset(ptr + width, ptr[width-1], w);
+        ptr += wrap;
+    }
+
+    /* top and bottom + corners */
+    buf -= w;
+    last_line = buf + (height - 1) * wrap;
+    if (sides & EDGE_TOP)
+        for(i = 0; i < h; i++)
+            memcpy(buf - (i + 1) * wrap, buf, (width + w + w) * sizeof(pixel)); // top
+    if (sides & EDGE_BOTTOM)
+        for (i = 0; i < h; i++)
+            memcpy(last_line + (i + 1) * wrap, last_line, (width + w + w) * sizeof(pixel)); // bottom
+}
+#endif
+
+static void FUNCC(get_pixels)(int16_t *av_restrict block,
+                              const uint8_t *_pixels,
+                              int line_size)
+{
+    const pixel *pixels = (const pixel *) _pixels;
+    int i;
+
+    /* read the pixels */
+    for(i=0;i<8;i++) {
+        block[0] = pixels[0];
+        block[1] = pixels[1];
+        block[2] = pixels[2];
+        block[3] = pixels[3];
+        block[4] = pixels[4];
+        block[5] = pixels[5];
+        block[6] = pixels[6];
+        block[7] = pixels[7];
+        pixels += line_size / sizeof(pixel);
+        block += 8;
+    }
+}
+
+#if BIT_DEPTH == 8
+static void FUNCC(clear_block)(int16_t *block)
+{
+    memset(block, 0, sizeof(int16_t)*64);
+}
+
+/**
+ * memset(blocks, 0, sizeof(int16_t)*6*64)
+ */
+static void FUNCC(clear_blocks)(int16_t *blocks)
+{
+    memset(blocks, 0, sizeof(int16_t)*6*64);
+}
+#endif
+
+#if BIT_DEPTH == 8
+#include "hpel_template.c"
+#endif
+
+#define PIXOP2(OPNAME, OP) \
+static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
+                                                int src_stride1, int src_stride2, int h){\
+    int i;\
+    for(i=0; i<h; i++){\
+        pixel4 a,b;\
+        a= AV_RN4P(&src1[i*src_stride1  ]);\
+        b= AV_RN4P(&src2[i*src_stride2  ]);\
+        OP(*((pixel4*)&dst[i*dst_stride  ]), no_rnd_avg_pixel4(a, b));\
+        a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
+        b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
+        OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), no_rnd_avg_pixel4(a, b));\
+    }\
+}\
+\
+static inline void FUNC(OPNAME ## _no_rnd_pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
+                                                int src_stride1, int src_stride2, int h){\
+    FUNC(OPNAME ## _no_rnd_pixels8_l2)(dst  , src1  , src2  , dst_stride, src_stride1, src_stride2, h);\
+    FUNC(OPNAME ## _no_rnd_pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
+}\
+\
+static inline void FUNC(OPNAME ## _pixels8_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
+                 int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
+    /* FIXME HIGH BIT DEPTH */\
+    int i;\
+    for(i=0; i<h; i++){\
+        uint32_t a, b, c, d, l0, l1, h0, h1;\
+        a= AV_RN32(&src1[i*src_stride1]);\
+        b= AV_RN32(&src2[i*src_stride2]);\
+        c= AV_RN32(&src3[i*src_stride3]);\
+        d= AV_RN32(&src4[i*src_stride4]);\
+        l0=  (a&0x03030303UL)\
+           + (b&0x03030303UL)\
+           + 0x02020202UL;\
+        h0= ((a&0xFCFCFCFCUL)>>2)\
+          + ((b&0xFCFCFCFCUL)>>2);\
+        l1=  (c&0x03030303UL)\
+           + (d&0x03030303UL);\
+        h1= ((c&0xFCFCFCFCUL)>>2)\
+          + ((d&0xFCFCFCFCUL)>>2);\
+        OP(*((uint32_t*)&dst[i*dst_stride]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
+        a= AV_RN32(&src1[i*src_stride1+4]);\
+        b= AV_RN32(&src2[i*src_stride2+4]);\
+        c= AV_RN32(&src3[i*src_stride3+4]);\
+        d= AV_RN32(&src4[i*src_stride4+4]);\
+        l0=  (a&0x03030303UL)\
+           + (b&0x03030303UL)\
+           + 0x02020202UL;\
+        h0= ((a&0xFCFCFCFCUL)>>2)\
+          + ((b&0xFCFCFCFCUL)>>2);\
+        l1=  (c&0x03030303UL)\
+           + (d&0x03030303UL);\
+        h1= ((c&0xFCFCFCFCUL)>>2)\
+          + ((d&0xFCFCFCFCUL)>>2);\
+        OP(*((uint32_t*)&dst[i*dst_stride+4]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
+    }\
+}\
+\
+static inline void FUNC(OPNAME ## _no_rnd_pixels8_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
+                 int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
+    /* FIXME HIGH BIT DEPTH*/\
+    int i;\
+    for(i=0; i<h; i++){\
+        uint32_t a, b, c, d, l0, l1, h0, h1;\
+        a= AV_RN32(&src1[i*src_stride1]);\
+        b= AV_RN32(&src2[i*src_stride2]);\
+        c= AV_RN32(&src3[i*src_stride3]);\
+        d= AV_RN32(&src4[i*src_stride4]);\
+        l0=  (a&0x03030303UL)\
+           + (b&0x03030303UL)\
+           + 0x01010101UL;\
+        h0= ((a&0xFCFCFCFCUL)>>2)\
+          + ((b&0xFCFCFCFCUL)>>2);\
+        l1=  (c&0x03030303UL)\
+           + (d&0x03030303UL);\
+        h1= ((c&0xFCFCFCFCUL)>>2)\
+          + ((d&0xFCFCFCFCUL)>>2);\
+        OP(*((uint32_t*)&dst[i*dst_stride]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
+        a= AV_RN32(&src1[i*src_stride1+4]);\
+        b= AV_RN32(&src2[i*src_stride2+4]);\
+        c= AV_RN32(&src3[i*src_stride3+4]);\
+        d= AV_RN32(&src4[i*src_stride4+4]);\
+        l0=  (a&0x03030303UL)\
+           + (b&0x03030303UL)\
+           + 0x01010101UL;\
+        h0= ((a&0xFCFCFCFCUL)>>2)\
+          + ((b&0xFCFCFCFCUL)>>2);\
+        l1=  (c&0x03030303UL)\
+           + (d&0x03030303UL);\
+        h1= ((c&0xFCFCFCFCUL)>>2)\
+          + ((d&0xFCFCFCFCUL)>>2);\
+        OP(*((uint32_t*)&dst[i*dst_stride+4]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
+    }\
+}\
+static inline void FUNC(OPNAME ## _pixels16_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
+                 int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
+    FUNC(OPNAME ## _pixels8_l4)(dst  , src1  , src2  , src3  , src4  , dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
+    FUNC(OPNAME ## _pixels8_l4)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), src3+8*sizeof(pixel), src4+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
+}\
+static inline void FUNC(OPNAME ## _no_rnd_pixels16_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
+                 int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
+    FUNC(OPNAME ## _no_rnd_pixels8_l4)(dst  , src1  , src2  , src3  , src4  , dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
+    FUNC(OPNAME ## _no_rnd_pixels8_l4)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), src3+8*sizeof(pixel), src4+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
+}\
+\
+static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
+{\
+    /* FIXME HIGH BIT DEPTH */\
+    int j;\
+    for(j=0; j<2; j++){\
+        int i;\
+        const uint32_t a= AV_RN32(pixels  );\
+        const uint32_t b= AV_RN32(pixels+1);\
+        uint32_t l0=  (a&0x03030303UL)\
+                    + (b&0x03030303UL)\
+                    + 0x02020202UL;\
+        uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
+                   + ((b&0xFCFCFCFCUL)>>2);\
+        uint32_t l1,h1;\
+\
+        pixels+=line_size;\
+        for(i=0; i<h; i+=2){\
+            uint32_t a= AV_RN32(pixels  );\
+            uint32_t b= AV_RN32(pixels+1);\
+            l1=  (a&0x03030303UL)\
+               + (b&0x03030303UL);\
+            h1= ((a&0xFCFCFCFCUL)>>2)\
+              + ((b&0xFCFCFCFCUL)>>2);\
+            OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
+            pixels+=line_size;\
+            block +=line_size;\
+            a= AV_RN32(pixels  );\
+            b= AV_RN32(pixels+1);\
+            l0=  (a&0x03030303UL)\
+               + (b&0x03030303UL)\
+               + 0x02020202UL;\
+            h0= ((a&0xFCFCFCFCUL)>>2)\
+              + ((b&0xFCFCFCFCUL)>>2);\
+            OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
+            pixels+=line_size;\
+            block +=line_size;\
+        }\
+        pixels+=4-line_size*(h+1);\
+        block +=4-line_size*h;\
+    }\
+}\
+\
+CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), FUNCC(OPNAME ## _pixels8_xy2), 8*sizeof(pixel))\
+
+#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
+#define op_put(a, b) a = b
+#if BIT_DEPTH == 8
+#define put_no_rnd_pixels8_8_c put_pixels8_8_c
+PIXOP2(avg, op_avg)
+PIXOP2(put, op_put)
+#endif
+#undef op_avg
+#undef op_put
-- 
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