1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/****************************************************************************
*
* Module Title : yv12extend.c
*
* Description :
*
***************************************************************************/
/****************************************************************************
* Header Files
****************************************************************************/
#include "vpx_scale/yv12config.h"
#include "vpx_mem/vpx_mem.h"
#include <nitro.h>
#include <nitro/mi.h>
#include <nitro/itcm_begin.h>
//---- DMA Number
#define DMA_NO 3
/****************************************************************************
* Exports
****************************************************************************/
/****************************************************************************
*
****************************************************************************/
void
vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf)
{
int i;
unsigned char *src_ptr1, *src_ptr2;
unsigned char *dest_ptr1, *dest_ptr2;
unsigned int Border;
int plane_stride;
int plane_height;
int plane_width;
/***********/
/* Y Plane */
/***********/
Border = ybf->border;
plane_stride = ybf->y_stride;
plane_height = ybf->y_height;
plane_width = ybf->y_width;
// copy the left and right most columns out
src_ptr1 = ybf->y_buffer;
src_ptr2 = src_ptr1 + plane_width - 1;
dest_ptr1 = src_ptr1 - Border;
dest_ptr2 = src_ptr2 + 1;
for (i = 0; i < plane_height; i++)
{
mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border);
mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border);
src_ptr1 += plane_stride;
src_ptr2 += plane_stride;
dest_ptr1 += plane_stride;
dest_ptr2 += plane_stride;
}
// Now copy the top and bottom source lines into each line of the respective borders
src_ptr1 = ybf->y_buffer - Border;
src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride;
dest_ptr1 = src_ptr1 - (Border * plane_stride);
dest_ptr2 = src_ptr2 + plane_stride;
for (i = 0; i < (int)Border; i++)
{
mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride);
mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride);
dest_ptr1 += plane_stride;
dest_ptr2 += plane_stride;
}
plane_stride /= 2;
plane_height /= 2;
plane_width /= 2;
Border /= 2;
/***********/
/* U Plane */
/***********/
// copy the left and right most columns out
src_ptr1 = ybf->u_buffer;
src_ptr2 = src_ptr1 + plane_width - 1;
dest_ptr1 = src_ptr1 - Border;
dest_ptr2 = src_ptr2 + 1;
for (i = 0; i < plane_height; i++)
{
mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border);
mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border);
src_ptr1 += plane_stride;
src_ptr2 += plane_stride;
dest_ptr1 += plane_stride;
dest_ptr2 += plane_stride;
}
// Now copy the top and bottom source lines into each line of the respective borders
src_ptr1 = ybf->u_buffer - Border;
src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride;
dest_ptr1 = src_ptr1 - (Border * plane_stride);
dest_ptr2 = src_ptr2 + plane_stride;
for (i = 0; i < (int)(Border); i++)
{
mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride);
mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride);
dest_ptr1 += plane_stride;
dest_ptr2 += plane_stride;
}
/***********/
/* V Plane */
/***********/
// copy the left and right most columns out
src_ptr1 = ybf->v_buffer;
src_ptr2 = src_ptr1 + plane_width - 1;
dest_ptr1 = src_ptr1 - Border;
dest_ptr2 = src_ptr2 + 1;
for (i = 0; i < plane_height; i++)
{
mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border);
mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border);
src_ptr1 += plane_stride;
src_ptr2 += plane_stride;
dest_ptr1 += plane_stride;
dest_ptr2 += plane_stride;
}
// Now copy the top and bottom source lines into each line of the respective borders
src_ptr1 = ybf->v_buffer - Border;
src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride;
dest_ptr1 = src_ptr1 - (Border * plane_stride);
dest_ptr2 = src_ptr2 + plane_stride;
for (i = 0; i < (int)(Border); i++)
{
mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride);
mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride);
dest_ptr1 += plane_stride;
dest_ptr2 += plane_stride;
}
}
/****************************************************************************
*
* ROUTINE : vp8_yv12_copy_frame
*
* INPUTS :
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Copies the source image into the destination image and
* updates the destination's UMV borders.
*
* SPECIAL NOTES : The frames are assumed to be identical in size.
*
****************************************************************************/
void
vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc)
{
int yplane_size = (src_ybc->y_height + 2 * src_ybc->border) * (src_ybc->y_stride);
int mem_size = (yplane_size * 3 / 2) + (src_ybc->y_stride * 2);
mi_cpu_copy_fast(src_ybc->buffer_alloc, dst_ybc->buffer_alloc, mem_size);
/* unsigned char *src_y, *dst_y;
unsigned char *src_u, *dst_u;
unsigned char *src_v, *dst_v;
int yheight, uv_height;
int ystride, uv_stride;
int border;
int yoffset, uvoffset;
border = src_ybc->border;
yheight = src_ybc->y_height;
uv_height = src_ybc->uv_height;
ystride = src_ybc->y_stride;
uv_stride = src_ybc->uv_stride;
yoffset = border * (ystride + 1);
uvoffset = border/2 * (uv_stride + 1);
src_y = src_ybc->y_buffer - yoffset;
dst_y = dst_ybc->y_buffer - yoffset;
src_u = src_ybc->u_buffer - uvoffset;
dst_u = dst_ybc->u_buffer - uvoffset;
src_v = src_ybc->v_buffer - uvoffset;
dst_v = dst_ybc->v_buffer - uvoffset;
mi_cpu_copy_fast (src_y, dst_y, ystride * (yheight + 2 * border));
mi_cpu_copy_fast (src_u, dst_u, uv_stride * (uv_height + border));
mi_cpu_copy_fast (src_v, dst_v, uv_stride * (uv_height + border));
*/
}
#include <nitro/itcm_end.h>
|
