Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(329)

Side by Side Diff: source/libvpx/vp9/common/arm/neon/vp9_convolve_neon.c

Issue 23600008: libvpx: Pull from upstream (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 7 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
1 /* 1 /*
2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #include "./vp9_rtcd.h" 11 #include "./vp9_rtcd.h"
12 #include "vp9/common/vp9_common.h" 12 #include "vp9/common/vp9_common.h"
13 #include "vpx_ports/mem.h"
13 14
14 void vp9_convolve8_neon(const uint8_t *src, ptrdiff_t src_stride, 15 void vp9_convolve8_neon(const uint8_t *src, ptrdiff_t src_stride,
15 uint8_t *dst, ptrdiff_t dst_stride, 16 uint8_t *dst, ptrdiff_t dst_stride,
16 const int16_t *filter_x, int x_step_q4, 17 const int16_t *filter_x, int x_step_q4,
17 const int16_t *filter_y, int y_step_q4, 18 const int16_t *filter_y, int y_step_q4,
18 int w, int h) { 19 int w, int h) {
19 /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the 20 /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the
20 * maximum buffer size to 64 * 64 + 7 (+ 1 to make it divisible by 4). 21 * maximum buffer size to 64 * 64 + 7 (+ 1 to make it divisible by 4).
21 */ 22 */
22 uint8_t temp[64 * 72]; 23 DECLARE_ALIGNED_ARRAY(8, uint8_t, temp, 64 * 72);
23 24
24 // Account for the vertical phase needing 3 lines prior and 4 lines post 25 // Account for the vertical phase needing 3 lines prior and 4 lines post
25 int intermediate_height = h + 7; 26 int intermediate_height = h + 7;
26 27
27 if (x_step_q4 != 16 || y_step_q4 != 16) 28 if (x_step_q4 != 16 || y_step_q4 != 16)
28 return vp9_convolve8_c(src, src_stride, 29 return vp9_convolve8_c(src, src_stride,
29 dst, dst_stride, 30 dst, dst_stride,
30 filter_x, x_step_q4, 31 filter_x, x_step_q4,
31 filter_y, y_step_q4, 32 filter_y, y_step_q4,
32 w, h); 33 w, h);
(...skipping 13 matching lines...) Expand all
46 dst, dst_stride, 47 dst, dst_stride,
47 filter_x, x_step_q4, filter_y, y_step_q4, 48 filter_x, x_step_q4, filter_y, y_step_q4,
48 w, h); 49 w, h);
49 } 50 }
50 51
51 void vp9_convolve8_avg_neon(const uint8_t *src, ptrdiff_t src_stride, 52 void vp9_convolve8_avg_neon(const uint8_t *src, ptrdiff_t src_stride,
52 uint8_t *dst, ptrdiff_t dst_stride, 53 uint8_t *dst, ptrdiff_t dst_stride,
53 const int16_t *filter_x, int x_step_q4, 54 const int16_t *filter_x, int x_step_q4,
54 const int16_t *filter_y, int y_step_q4, 55 const int16_t *filter_y, int y_step_q4,
55 int w, int h) { 56 int w, int h) {
56 uint8_t temp[64 * 72]; 57 DECLARE_ALIGNED_ARRAY(8, uint8_t, temp, 64 * 72);
57 int intermediate_height = h + 7; 58 int intermediate_height = h + 7;
58 59
59 if (x_step_q4 != 16 || y_step_q4 != 16) 60 if (x_step_q4 != 16 || y_step_q4 != 16)
60 return vp9_convolve8_avg_c(src, src_stride, 61 return vp9_convolve8_avg_c(src, src_stride,
61 dst, dst_stride, 62 dst, dst_stride,
62 filter_x, x_step_q4, 63 filter_x, x_step_q4,
63 filter_y, y_step_q4, 64 filter_y, y_step_q4,
64 w, h); 65 w, h);
65 66
66 /* This implementation has the same issues as above. In addition, we only want 67 /* This implementation has the same issues as above. In addition, we only want
67 * to average the values after both passes. 68 * to average the values after both passes.
68 */ 69 */
69 vp9_convolve8_horiz_neon(src - src_stride * 3, src_stride, 70 vp9_convolve8_horiz_neon(src - src_stride * 3, src_stride,
70 temp, 64, 71 temp, 64,
71 filter_x, x_step_q4, filter_y, y_step_q4, 72 filter_x, x_step_q4, filter_y, y_step_q4,
72 w, intermediate_height); 73 w, intermediate_height);
73 vp9_convolve8_avg_vert_neon(temp + 64 * 3, 74 vp9_convolve8_avg_vert_neon(temp + 64 * 3,
74 64, dst, dst_stride, 75 64, dst, dst_stride,
75 filter_x, x_step_q4, filter_y, y_step_q4, 76 filter_x, x_step_q4, filter_y, y_step_q4,
76 w, h); 77 w, h);
77 } 78 }
OLDNEW
« no previous file with comments | « source/libvpx/vp9/common/arm/neon/vp9_convolve8_neon.asm ('k') | source/libvpx/vp9/common/arm/neon/vp9_copy_neon.asm » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698