2 * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "unsharp_opencl.h"
27 #include "libavutil/common.h"
28 #include "libavutil/opencl_internal.h"
32 static inline void add_mask_counter(uint32_t *dst, uint32_t *counter1, uint32_t *counter2, int len)
35 for (i = 0; i < len; i++) {
36 dst[i] = counter1[i] + counter2[i];
40 static int compute_mask(int step, uint32_t *mask)
43 int counter_size = sizeof(uint32_t) * (2 * step + 1);
44 uint32_t *temp1_counter, *temp2_counter, **counter;
45 temp1_counter = av_mallocz(counter_size);
47 ret = AVERROR(ENOMEM);
50 temp2_counter = av_mallocz(counter_size);
52 ret = AVERROR(ENOMEM);
55 counter = av_mallocz(sizeof(uint32_t *) * (2 * step + 1));
57 ret = AVERROR(ENOMEM);
60 for (i = 0; i < 2 * step + 1; i++) {
61 counter[i] = av_mallocz(counter_size);
63 ret = AVERROR(ENOMEM);
67 for (i = 0; i < 2 * step + 1; i++) {
68 memset(temp1_counter, 0, counter_size);
70 for (z = 0; z < step * 2; z += 2) {
71 add_mask_counter(temp2_counter, counter[z], temp1_counter, step * 2);
72 memcpy(counter[z], temp1_counter, counter_size);
73 add_mask_counter(temp1_counter, counter[z + 1], temp2_counter, step * 2);
74 memcpy(counter[z + 1], temp2_counter, counter_size);
77 memcpy(mask, temp1_counter, counter_size);
79 av_freep(&temp1_counter);
80 av_freep(&temp2_counter);
81 for (i = 0; i < 2 * step + 1; i++) {
82 av_freep(&counter[i]);
88 static int compute_mask_matrix(cl_mem cl_mask_matrix, int step_x, int step_y)
91 uint32_t *mask_matrix, *mask_x, *mask_y;
92 size_t size_matrix = sizeof(uint32_t) * (2 * step_x + 1) * (2 * step_y + 1);
93 mask_x = av_mallocz(sizeof(uint32_t) * (2 * step_x + 1));
95 ret = AVERROR(ENOMEM);
98 mask_y = av_mallocz(sizeof(uint32_t) * (2 * step_y + 1));
100 ret = AVERROR(ENOMEM);
103 mask_matrix = av_mallocz(size_matrix);
105 ret = AVERROR(ENOMEM);
108 ret = compute_mask(step_x, mask_x);
111 ret = compute_mask(step_y, mask_y);
114 for (j = 0; j < 2 * step_y + 1; j++) {
115 for (i = 0; i < 2 * step_x + 1; i++) {
116 mask_matrix[i + j * (2 * step_x + 1)] = mask_y[j] * mask_x[i];
119 ret = av_opencl_buffer_write(cl_mask_matrix, (uint8_t *)mask_matrix, size_matrix);
123 av_freep(&mask_matrix);
127 static int generate_mask(AVFilterContext *ctx)
129 UnsharpContext *unsharp = ctx->priv;
130 int i, ret = 0, step_x[2], step_y[2];
131 cl_mem mask_matrix[2];
132 mask_matrix[0] = unsharp->opencl_ctx.cl_luma_mask;
133 mask_matrix[1] = unsharp->opencl_ctx.cl_chroma_mask;
134 step_x[0] = unsharp->luma.steps_x;
135 step_x[1] = unsharp->chroma.steps_x;
136 step_y[0] = unsharp->luma.steps_y;
137 step_y[1] = unsharp->chroma.steps_y;
138 if (!mask_matrix[0] || !mask_matrix[1]) {
139 av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n");
140 return AVERROR(EINVAL);
142 for (i = 0; i < 2; i++) {
143 ret = compute_mask_matrix(mask_matrix[i], step_x[i], step_y[i]);
150 int ff_opencl_apply_unsharp(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
153 AVFilterLink *link = ctx->inputs[0];
154 UnsharpContext *unsharp = ctx->priv;
156 int cw = FF_CEIL_RSHIFT(link->w, unsharp->hsub);
157 int ch = FF_CEIL_RSHIFT(link->h, unsharp->vsub);
158 const size_t global_work_size = link->w * link->h + 2 * ch * cw;
159 FFOpenclParam opencl_param = {0};
161 opencl_param.ctx = ctx;
162 opencl_param.kernel = unsharp->opencl_ctx.kernel_env.kernel;
163 ret = ff_opencl_set_parameter(&opencl_param,
164 FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf),
165 FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf),
166 FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask),
167 FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask),
168 FF_OPENCL_PARAM_INFO(unsharp->luma.amount),
169 FF_OPENCL_PARAM_INFO(unsharp->chroma.amount),
170 FF_OPENCL_PARAM_INFO(unsharp->luma.steps_x),
171 FF_OPENCL_PARAM_INFO(unsharp->luma.steps_y),
172 FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_x),
173 FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_y),
174 FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits),
175 FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits),
176 FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale),
177 FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale),
178 FF_OPENCL_PARAM_INFO(in->linesize[0]),
179 FF_OPENCL_PARAM_INFO(in->linesize[1]),
180 FF_OPENCL_PARAM_INFO(out->linesize[0]),
181 FF_OPENCL_PARAM_INFO(out->linesize[1]),
182 FF_OPENCL_PARAM_INFO(link->h),
183 FF_OPENCL_PARAM_INFO(link->w),
184 FF_OPENCL_PARAM_INFO(ch),
185 FF_OPENCL_PARAM_INFO(cw),
189 status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.kernel_env.command_queue,
190 unsharp->opencl_ctx.kernel_env.kernel, 1, NULL,
191 &global_work_size, NULL, 0, NULL, NULL);
192 if (status != CL_SUCCESS) {
193 av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
194 return AVERROR_EXTERNAL;
196 clFinish(unsharp->opencl_ctx.kernel_env.command_queue);
197 return av_opencl_buffer_read_image(out->data, unsharp->opencl_ctx.out_plane_size,
198 unsharp->opencl_ctx.plane_num, unsharp->opencl_ctx.cl_outbuf,
199 unsharp->opencl_ctx.cl_outbuf_size);
202 int ff_opencl_unsharp_init(AVFilterContext *ctx)
205 UnsharpContext *unsharp = ctx->priv;
206 ret = av_opencl_init(NULL);
209 ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask,
210 sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1) * (2 * unsharp->luma.steps_y + 1),
211 CL_MEM_READ_ONLY, NULL);
214 ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask,
215 sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1) * (2 * unsharp->chroma.steps_y + 1),
216 CL_MEM_READ_ONLY, NULL);
219 ret = generate_mask(ctx);
222 unsharp->opencl_ctx.plane_num = PLANE_NUM;
223 if (!unsharp->opencl_ctx.kernel_env.kernel) {
224 ret = av_opencl_create_kernel(&unsharp->opencl_ctx.kernel_env, "unsharp");
226 av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel with name 'unsharp'\n");
233 void ff_opencl_unsharp_uninit(AVFilterContext *ctx)
235 UnsharpContext *unsharp = ctx->priv;
236 av_opencl_buffer_release(&unsharp->opencl_ctx.cl_inbuf);
237 av_opencl_buffer_release(&unsharp->opencl_ctx.cl_outbuf);
238 av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask);
239 av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask);
240 av_opencl_release_kernel(&unsharp->opencl_ctx.kernel_env);
244 int ff_opencl_unsharp_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
247 AVFilterLink *link = ctx->inputs[0];
248 UnsharpContext *unsharp = ctx->priv;
249 int ch = FF_CEIL_RSHIFT(link->h, unsharp->vsub);
251 if ((!unsharp->opencl_ctx.cl_inbuf) || (!unsharp->opencl_ctx.cl_outbuf)) {
252 unsharp->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height);
253 unsharp->opencl_ctx.in_plane_size[1] = (in->linesize[1] * ch);
254 unsharp->opencl_ctx.in_plane_size[2] = (in->linesize[2] * ch);
255 unsharp->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
256 unsharp->opencl_ctx.out_plane_size[1] = (out->linesize[1] * ch);
257 unsharp->opencl_ctx.out_plane_size[2] = (out->linesize[2] * ch);
258 unsharp->opencl_ctx.cl_inbuf_size = unsharp->opencl_ctx.in_plane_size[0] +
259 unsharp->opencl_ctx.in_plane_size[1] +
260 unsharp->opencl_ctx.in_plane_size[2];
261 unsharp->opencl_ctx.cl_outbuf_size = unsharp->opencl_ctx.out_plane_size[0] +
262 unsharp->opencl_ctx.out_plane_size[1] +
263 unsharp->opencl_ctx.out_plane_size[2];
264 if (!unsharp->opencl_ctx.cl_inbuf) {
265 ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_inbuf,
266 unsharp->opencl_ctx.cl_inbuf_size,
267 CL_MEM_READ_ONLY, NULL);
271 if (!unsharp->opencl_ctx.cl_outbuf) {
272 ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_outbuf,
273 unsharp->opencl_ctx.cl_outbuf_size,
274 CL_MEM_READ_WRITE, NULL);
279 return av_opencl_buffer_write_image(unsharp->opencl_ctx.cl_inbuf,
280 unsharp->opencl_ctx.cl_inbuf_size,
281 0, in->data, unsharp->opencl_ctx.in_plane_size,
282 unsharp->opencl_ctx.plane_num);