Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavfilter / deshake_opencl.c
CommitLineData
2ba45a60
DM
1/*
2 * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
3 * Copyright (C) 2013 Lenny Wang
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22/**
23 * @file
24 * transform input video
25 */
26
27#include "libavutil/common.h"
28#include "libavutil/dict.h"
29#include "libavutil/pixdesc.h"
30#include "deshake_opencl.h"
31#include "libavutil/opencl_internal.h"
32
33#define PLANE_NUM 3
34#define ROUND_TO_16(a) (((((a) - 1)/16)+1)*16)
35
36int ff_opencl_transform(AVFilterContext *ctx,
37 int width, int height, int cw, int ch,
38 const float *matrix_y, const float *matrix_uv,
39 enum InterpolateMethod interpolate,
40 enum FillMethod fill, AVFrame *in, AVFrame *out)
41{
42 int ret = 0;
43 cl_int status;
44 DeshakeContext *deshake = ctx->priv;
45 float4 packed_matrix_lu = {matrix_y[0], matrix_y[1], matrix_y[2], matrix_y[5]};
46 float4 packed_matrix_ch = {matrix_uv[0], matrix_uv[1], matrix_uv[2], matrix_uv[5]};
47 size_t global_worksize_lu[2] = {(size_t)ROUND_TO_16(width), (size_t)ROUND_TO_16(height)};
48 size_t global_worksize_ch[2] = {(size_t)ROUND_TO_16(cw), (size_t)(2*ROUND_TO_16(ch))};
49 size_t local_worksize[2] = {16, 16};
50 FFOpenclParam param_lu = {0};
51 FFOpenclParam param_ch = {0};
52 param_lu.ctx = param_ch.ctx = ctx;
53 param_lu.kernel = deshake->opencl_ctx.kernel_luma;
54 param_ch.kernel = deshake->opencl_ctx.kernel_chroma;
55
56 if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) {
57 av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n");
58 return AVERROR(EINVAL);
59 }
60 ret = avpriv_opencl_set_parameter(&param_lu,
61 FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
62 FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
63 FF_OPENCL_PARAM_INFO(packed_matrix_lu),
64 FF_OPENCL_PARAM_INFO(interpolate),
65 FF_OPENCL_PARAM_INFO(fill),
66 FF_OPENCL_PARAM_INFO(in->linesize[0]),
67 FF_OPENCL_PARAM_INFO(out->linesize[0]),
68 FF_OPENCL_PARAM_INFO(height),
69 FF_OPENCL_PARAM_INFO(width),
70 NULL);
71 if (ret < 0)
72 return ret;
73 ret = avpriv_opencl_set_parameter(&param_ch,
74 FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
75 FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
76 FF_OPENCL_PARAM_INFO(packed_matrix_ch),
77 FF_OPENCL_PARAM_INFO(interpolate),
78 FF_OPENCL_PARAM_INFO(fill),
79 FF_OPENCL_PARAM_INFO(in->linesize[0]),
80 FF_OPENCL_PARAM_INFO(out->linesize[0]),
81 FF_OPENCL_PARAM_INFO(in->linesize[1]),
82 FF_OPENCL_PARAM_INFO(out->linesize[1]),
83 FF_OPENCL_PARAM_INFO(height),
84 FF_OPENCL_PARAM_INFO(width),
85 FF_OPENCL_PARAM_INFO(ch),
86 FF_OPENCL_PARAM_INFO(cw),
87 NULL);
88 if (ret < 0)
89 return ret;
90 status = clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
91 deshake->opencl_ctx.kernel_luma, 2, NULL,
92 global_worksize_lu, local_worksize, 0, NULL, NULL);
93 status |= clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
94 deshake->opencl_ctx.kernel_chroma, 2, NULL,
95 global_worksize_ch, local_worksize, 0, NULL, NULL);
96 if (status != CL_SUCCESS) {
97 av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
98 return AVERROR_EXTERNAL;
99 }
100 ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
101 deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
102 deshake->opencl_ctx.cl_outbuf_size);
103 if (ret < 0)
104 return ret;
105 return ret;
106}
107
108int ff_opencl_deshake_init(AVFilterContext *ctx)
109{
110 int ret = 0;
111 DeshakeContext *deshake = ctx->priv;
112 ret = av_opencl_init(NULL);
113 if (ret < 0)
114 return ret;
115 deshake->opencl_ctx.plane_num = PLANE_NUM;
116 deshake->opencl_ctx.command_queue = av_opencl_get_command_queue();
117 if (!deshake->opencl_ctx.command_queue) {
118 av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'deshake'\n");
119 return AVERROR(EINVAL);
120 }
121 deshake->opencl_ctx.program = av_opencl_compile("avfilter_transform", NULL);
122 if (!deshake->opencl_ctx.program) {
123 av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'avfilter_transform'\n");
124 return AVERROR(EINVAL);
125 }
126 if (!deshake->opencl_ctx.kernel_luma) {
127 deshake->opencl_ctx.kernel_luma = clCreateKernel(deshake->opencl_ctx.program,
128 "avfilter_transform_luma", &ret);
129 if (ret != CL_SUCCESS) {
130 av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_luma'\n");
131 return AVERROR(EINVAL);
132 }
133 }
134 if (!deshake->opencl_ctx.kernel_chroma) {
135 deshake->opencl_ctx.kernel_chroma = clCreateKernel(deshake->opencl_ctx.program,
136 "avfilter_transform_chroma", &ret);
137 if (ret != CL_SUCCESS) {
138 av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_chroma'\n");
139 return AVERROR(EINVAL);
140 }
141 }
142 return ret;
143}
144
145void ff_opencl_deshake_uninit(AVFilterContext *ctx)
146{
147 DeshakeContext *deshake = ctx->priv;
148 av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
149 av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
150 clReleaseKernel(deshake->opencl_ctx.kernel_luma);
151 clReleaseKernel(deshake->opencl_ctx.kernel_chroma);
152 clReleaseProgram(deshake->opencl_ctx.program);
153 deshake->opencl_ctx.command_queue = NULL;
154 av_opencl_uninit();
155}
156
157int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
158{
159 int ret = 0;
160 AVFilterLink *link = ctx->inputs[0];
161 DeshakeContext *deshake = ctx->priv;
162 const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h;
163 int chroma_height = FF_CEIL_RSHIFT(link->h, hshift);
164
165 if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
166 deshake->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height);
167 deshake->opencl_ctx.in_plane_size[1] = (in->linesize[1] * chroma_height);
168 deshake->opencl_ctx.in_plane_size[2] = (in->linesize[2] * chroma_height);
169 deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
170 deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
171 deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
172 deshake->opencl_ctx.cl_inbuf_size = deshake->opencl_ctx.in_plane_size[0] +
173 deshake->opencl_ctx.in_plane_size[1] +
174 deshake->opencl_ctx.in_plane_size[2];
175 deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
176 deshake->opencl_ctx.out_plane_size[1] +
177 deshake->opencl_ctx.out_plane_size[2];
178 if (!deshake->opencl_ctx.cl_inbuf) {
179 ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
180 deshake->opencl_ctx.cl_inbuf_size,
181 CL_MEM_READ_ONLY, NULL);
182 if (ret < 0)
183 return ret;
184 }
185 if (!deshake->opencl_ctx.cl_outbuf) {
186 ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
187 deshake->opencl_ctx.cl_outbuf_size,
188 CL_MEM_READ_WRITE, NULL);
189 if (ret < 0)
190 return ret;
191 }
192 }
193 ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
194 deshake->opencl_ctx.cl_inbuf_size,
195 0, in->data,deshake->opencl_ctx.in_plane_size,
196 deshake->opencl_ctx.plane_num);
197 if(ret < 0)
198 return ret;
199 return ret;
200}