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
|
/*
* Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
*
* 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
* transform input video
*/
#include "libavutil/common.h"
#include "libavutil/dict.h"
#include "libavutil/pixdesc.h"
#include "deshake_opencl.h"
#define MATRIX_SIZE 6
#define PLANE_NUM 3
#define TRANSFORM_OPENCL_CHECK(method, ...) \
status = method(__VA_ARGS__); \
if (status != CL_SUCCESS) { \
av_log(ctx, AV_LOG_ERROR, "error %s %d\n", # method, status); \
return AVERROR_EXTERNAL; \
}
#define TRANSFORM_OPENCL_SET_KERNEL_ARG(arg_ptr) \
status = clSetKernelArg((kernel),(arg_no++),(sizeof(arg_ptr)),(void*)(&(arg_ptr))); \
if (status != CL_SUCCESS) { \
av_log(ctx, AV_LOG_ERROR, "cannot set kernel argument: %d\n", status ); \
return AVERROR_EXTERNAL; \
}
int ff_opencl_transform(AVFilterContext *ctx,
int width, int height, int cw, int ch,
const float *matrix_y, const float *matrix_uv,
enum InterpolateMethod interpolate,
enum FillMethod fill, AVFrame *in, AVFrame *out)
{
int arg_no, ret = 0;
const size_t global_work_size = width * height + 2 * ch * cw;
cl_kernel kernel;
cl_int status;
DeshakeContext *deshake = ctx->priv;
ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_y, (uint8_t *)matrix_y, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
if (ret < 0)
return ret;
ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_uv, (uint8_t *)matrix_uv, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
if (ret < 0)
return ret;
kernel = deshake->opencl_ctx.kernel_env.kernel;
arg_no = 0;
if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) {
av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n");
return AVERROR(EINVAL);
}
TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_inbuf);
TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_outbuf);
TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_matrix_y);
TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_matrix_uv);
TRANSFORM_OPENCL_SET_KERNEL_ARG(interpolate);
TRANSFORM_OPENCL_SET_KERNEL_ARG(fill);
TRANSFORM_OPENCL_SET_KERNEL_ARG(in->linesize[0]);
TRANSFORM_OPENCL_SET_KERNEL_ARG(out->linesize[0]);
TRANSFORM_OPENCL_SET_KERNEL_ARG(in->linesize[1]);
TRANSFORM_OPENCL_SET_KERNEL_ARG(out->linesize[1]);
TRANSFORM_OPENCL_SET_KERNEL_ARG(height);
TRANSFORM_OPENCL_SET_KERNEL_ARG(width);
TRANSFORM_OPENCL_SET_KERNEL_ARG(ch);
TRANSFORM_OPENCL_SET_KERNEL_ARG(cw);
TRANSFORM_OPENCL_CHECK(clEnqueueNDRangeKernel, deshake->opencl_ctx.kernel_env.command_queue, deshake->opencl_ctx.kernel_env.kernel, 1, NULL,
&global_work_size, NULL, 0, NULL, NULL);
clFinish(deshake->opencl_ctx.kernel_env.command_queue);
ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
deshake->opencl_ctx.cl_outbuf_size);
if (ret < 0)
return ret;
return ret;
}
int ff_opencl_deshake_init(AVFilterContext *ctx)
{
int ret = 0;
DeshakeContext *deshake = ctx->priv;
ret = av_opencl_init(NULL);
if (ret < 0)
return ret;
deshake->opencl_ctx.matrix_size = MATRIX_SIZE;
deshake->opencl_ctx.plane_num = PLANE_NUM;
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_y,
deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
if (ret < 0)
return ret;
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_uv,
deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
if (ret < 0)
return ret;
if (!deshake->opencl_ctx.kernel_env.kernel) {
ret = av_opencl_create_kernel(&deshake->opencl_ctx.kernel_env, "avfilter_transform");
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel for name 'avfilter_transform'\n");
return ret;
}
}
return ret;
}
void ff_opencl_deshake_uninit(AVFilterContext *ctx)
{
DeshakeContext *deshake = ctx->priv;
av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_y);
av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_uv);
av_opencl_release_kernel(&deshake->opencl_ctx.kernel_env);
av_opencl_uninit();
}
int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
{
int ret = 0;
AVFilterLink *link = ctx->inputs[0];
DeshakeContext *deshake = ctx->priv;
int chroma_height = -((-link->h) >> av_pix_fmt_desc_get(link->format)->log2_chroma_h);
if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
deshake->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height);
deshake->opencl_ctx.in_plane_size[1] = (in->linesize[1] * chroma_height);
deshake->opencl_ctx.in_plane_size[2] = (in->linesize[2] * chroma_height);
deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
deshake->opencl_ctx.cl_inbuf_size = deshake->opencl_ctx.in_plane_size[0] +
deshake->opencl_ctx.in_plane_size[1] +
deshake->opencl_ctx.in_plane_size[2];
deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
deshake->opencl_ctx.out_plane_size[1] +
deshake->opencl_ctx.out_plane_size[2];
if (!deshake->opencl_ctx.cl_inbuf) {
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
deshake->opencl_ctx.cl_inbuf_size,
CL_MEM_READ_ONLY, NULL);
if (ret < 0)
return ret;
}
if (!deshake->opencl_ctx.cl_outbuf) {
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
deshake->opencl_ctx.cl_outbuf_size,
CL_MEM_READ_WRITE, NULL);
if (ret < 0)
return ret;
}
}
ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
deshake->opencl_ctx.cl_inbuf_size,
0, in->data,deshake->opencl_ctx.in_plane_size,
deshake->opencl_ctx.plane_num);
if(ret < 0)
return ret;
return ret;
}
|
