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 } 51
