vp8/encoder/arm/picklpf_arm.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "vp8/common/onyxc_int.h"
  13 #include "vp8/encoder/onyx_int.h"
  14 #include "vp8/encoder/quantize.h"
  15 #include "vpx_mem/vpx_mem.h"
  16 #include "vpx_scale/yv12extend.h"
  17 #include "vpx_scale/vpxscale.h"
  18 #include "vp8/common/alloccommon.h"
  19
  20 extern void vp8_memcpy_neon(unsigned char *dst_ptr, unsigned char *src_ptr, int sz);
  21
  22
  23 void
  24 vpxyv12_copy_partial_frame_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc, int Fraction)
  25 {
  26     unsigned char *src_y, *dst_y;
  27     int yheight;
  28     int ystride;
  29     int border;
  30     int yoffset;
  31     int linestocopy;
  32
  33     border   = src_ybc->border;
  34     yheight  = src_ybc->y_height;
  35     ystride  = src_ybc->y_stride;
  36
  37     linestocopy = (yheight >> (Fraction + 4));
  38
  39     if (linestocopy < 1)
  40         linestocopy = 1;
  41
  42     linestocopy <<= 4;
  43
  44     yoffset  = ystride * ((yheight >> 5) * 16 - 8);
  45     src_y = src_ybc->y_buffer + yoffset;
  46     dst_y = dst_ybc->y_buffer + yoffset;
  47
  48     //vpx_memcpy (dst_y, src_y, ystride * (linestocopy +16));
  49     vp8_memcpy_neon((unsigned char *)dst_y, (unsigned char *)src_y, (int)(ystride *(linestocopy + 16)));
  50 }