| /* |
| * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> |
| * Copyright (C) 2013 Lenny Wang |
| * |
| * 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 |
| * unsharp input video |
| */ |
| |
| #include "unsharp_opencl.h" |
| #include "libavutil/common.h" |
| #include "libavutil/opencl_internal.h" |
| |
| #define PLANE_NUM 3 |
| #define ROUND_TO_16(a) (((((a) - 1)/16)+1)*16) |
| |
| static inline void add_mask_counter(uint32_t *dst, uint32_t *counter1, uint32_t *counter2, int len) |
| { |
| int i; |
| for (i = 0; i < len; i++) { |
| dst[i] = counter1[i] + counter2[i]; |
| } |
| } |
| |
| static int compute_mask(int step, uint32_t *mask) |
| { |
| int i, z, ret = 0; |
| int counter_size = sizeof(uint32_t) * (2 * step + 1); |
| uint32_t *temp1_counter, *temp2_counter, **counter; |
| temp1_counter = av_mallocz(counter_size); |
| if (!temp1_counter) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| temp2_counter = av_mallocz(counter_size); |
| if (!temp2_counter) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| counter = av_mallocz_array(2 * step + 1, sizeof(uint32_t *)); |
| if (!counter) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| for (i = 0; i < 2 * step + 1; i++) { |
| counter[i] = av_mallocz(counter_size); |
| if (!counter[i]) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| } |
| for (i = 0; i < 2 * step + 1; i++) { |
| memset(temp1_counter, 0, counter_size); |
| temp1_counter[i] = 1; |
| for (z = 0; z < step * 2; z += 2) { |
| add_mask_counter(temp2_counter, counter[z], temp1_counter, step * 2); |
| memcpy(counter[z], temp1_counter, counter_size); |
| add_mask_counter(temp1_counter, counter[z + 1], temp2_counter, step * 2); |
| memcpy(counter[z + 1], temp2_counter, counter_size); |
| } |
| } |
| memcpy(mask, temp1_counter, counter_size); |
| end: |
| av_freep(&temp1_counter); |
| av_freep(&temp2_counter); |
| for (i = 0; i < 2 * step + 1; i++) { |
| av_freep(&counter[i]); |
| } |
| av_freep(&counter); |
| return ret; |
| } |
| |
| static int copy_separable_masks(cl_mem cl_mask_x, cl_mem cl_mask_y, int step_x, int step_y) |
| { |
| int ret = 0; |
| uint32_t *mask_x, *mask_y; |
| size_t size_mask_x = sizeof(uint32_t) * (2 * step_x + 1); |
| size_t size_mask_y = sizeof(uint32_t) * (2 * step_y + 1); |
| mask_x = av_mallocz_array(2 * step_x + 1, sizeof(uint32_t)); |
| if (!mask_x) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| mask_y = av_mallocz_array(2 * step_y + 1, sizeof(uint32_t)); |
| if (!mask_y) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| |
| ret = compute_mask(step_x, mask_x); |
| if (ret < 0) |
| goto end; |
| ret = compute_mask(step_y, mask_y); |
| if (ret < 0) |
| goto end; |
| |
| ret = av_opencl_buffer_write(cl_mask_x, (uint8_t *)mask_x, size_mask_x); |
| ret = av_opencl_buffer_write(cl_mask_y, (uint8_t *)mask_y, size_mask_y); |
| end: |
| av_freep(&mask_x); |
| av_freep(&mask_y); |
| |
| return ret; |
| } |
| |
| static int generate_mask(AVFilterContext *ctx) |
| { |
| cl_mem masks[4]; |
| cl_mem mask_matrix[2]; |
| int i, ret = 0, step_x[2], step_y[2]; |
| |
| UnsharpContext *unsharp = ctx->priv; |
| mask_matrix[0] = unsharp->opencl_ctx.cl_luma_mask; |
| mask_matrix[1] = unsharp->opencl_ctx.cl_chroma_mask; |
| masks[0] = unsharp->opencl_ctx.cl_luma_mask_x; |
| masks[1] = unsharp->opencl_ctx.cl_luma_mask_y; |
| masks[2] = unsharp->opencl_ctx.cl_chroma_mask_x; |
| masks[3] = unsharp->opencl_ctx.cl_chroma_mask_y; |
| step_x[0] = unsharp->luma.steps_x; |
| step_x[1] = unsharp->chroma.steps_x; |
| step_y[0] = unsharp->luma.steps_y; |
| step_y[1] = unsharp->chroma.steps_y; |
| |
| /* use default kernel if any matrix dim larger than 8 due to limited local mem size */ |
| if (step_x[0]>8 || step_x[1]>8 || step_y[0]>8 || step_y[1]>8) |
| unsharp->opencl_ctx.use_fast_kernels = 0; |
| else |
| unsharp->opencl_ctx.use_fast_kernels = 1; |
| |
| if (!masks[0] || !masks[1] || !masks[2] || !masks[3]) { |
| av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n"); |
| return AVERROR(EINVAL); |
| } |
| if (!mask_matrix[0] || !mask_matrix[1]) { |
| av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n"); |
| return AVERROR(EINVAL); |
| } |
| for (i = 0; i < 2; i++) { |
| ret = copy_separable_masks(masks[2*i], masks[2*i+1], step_x[i], step_y[i]); |
| if (ret < 0) |
| return ret; |
| } |
| return ret; |
| } |
| |
| int ff_opencl_apply_unsharp(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
| { |
| int ret; |
| AVFilterLink *link = ctx->inputs[0]; |
| UnsharpContext *unsharp = ctx->priv; |
| cl_int status; |
| FFOpenclParam kernel1 = {0}; |
| FFOpenclParam kernel2 = {0}; |
| int width = link->w; |
| int height = link->h; |
| int cw = AV_CEIL_RSHIFT(link->w, unsharp->hsub); |
| int ch = AV_CEIL_RSHIFT(link->h, unsharp->vsub); |
| size_t globalWorkSize1d = width * height + 2 * ch * cw; |
| size_t globalWorkSize2dLuma[2]; |
| size_t globalWorkSize2dChroma[2]; |
| size_t localWorkSize2d[2] = {16, 16}; |
| |
| if (unsharp->opencl_ctx.use_fast_kernels) { |
| globalWorkSize2dLuma[0] = (size_t)ROUND_TO_16(width); |
| globalWorkSize2dLuma[1] = (size_t)ROUND_TO_16(height); |
| globalWorkSize2dChroma[0] = (size_t)ROUND_TO_16(cw); |
| globalWorkSize2dChroma[1] = (size_t)(2*ROUND_TO_16(ch)); |
| |
| kernel1.ctx = ctx; |
| kernel1.kernel = unsharp->opencl_ctx.kernel_luma; |
| ret = avpriv_opencl_set_parameter(&kernel1, |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask_x), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask_y), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.amount), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale), |
| FF_OPENCL_PARAM_INFO(in->linesize[0]), |
| FF_OPENCL_PARAM_INFO(out->linesize[0]), |
| FF_OPENCL_PARAM_INFO(width), |
| FF_OPENCL_PARAM_INFO(height), |
| NULL); |
| if (ret < 0) |
| return ret; |
| |
| kernel2.ctx = ctx; |
| kernel2.kernel = unsharp->opencl_ctx.kernel_chroma; |
| ret = avpriv_opencl_set_parameter(&kernel2, |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask_x), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask_y), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.amount), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale), |
| FF_OPENCL_PARAM_INFO(in->linesize[0]), |
| FF_OPENCL_PARAM_INFO(in->linesize[1]), |
| FF_OPENCL_PARAM_INFO(out->linesize[0]), |
| FF_OPENCL_PARAM_INFO(out->linesize[1]), |
| FF_OPENCL_PARAM_INFO(link->w), |
| FF_OPENCL_PARAM_INFO(link->h), |
| FF_OPENCL_PARAM_INFO(cw), |
| FF_OPENCL_PARAM_INFO(ch), |
| NULL); |
| if (ret < 0) |
| return ret; |
| status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.command_queue, |
| unsharp->opencl_ctx.kernel_luma, 2, NULL, |
| globalWorkSize2dLuma, localWorkSize2d, 0, NULL, NULL); |
| status |=clEnqueueNDRangeKernel(unsharp->opencl_ctx.command_queue, |
| unsharp->opencl_ctx.kernel_chroma, 2, NULL, |
| globalWorkSize2dChroma, localWorkSize2d, 0, NULL, NULL); |
| if (status != CL_SUCCESS) { |
| av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status)); |
| return AVERROR_EXTERNAL; |
| } |
| } else { /* use default kernel */ |
| kernel1.ctx = ctx; |
| kernel1.kernel = unsharp->opencl_ctx.kernel_default; |
| |
| ret = avpriv_opencl_set_parameter(&kernel1, |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask), |
| FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.amount), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.amount), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.steps_x), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.steps_y), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_x), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_y), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits), |
| FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale), |
| FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale), |
| FF_OPENCL_PARAM_INFO(in->linesize[0]), |
| FF_OPENCL_PARAM_INFO(in->linesize[1]), |
| FF_OPENCL_PARAM_INFO(out->linesize[0]), |
| FF_OPENCL_PARAM_INFO(out->linesize[1]), |
| FF_OPENCL_PARAM_INFO(link->h), |
| FF_OPENCL_PARAM_INFO(link->w), |
| FF_OPENCL_PARAM_INFO(ch), |
| FF_OPENCL_PARAM_INFO(cw), |
| NULL); |
| if (ret < 0) |
| return ret; |
| status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.command_queue, |
| unsharp->opencl_ctx.kernel_default, 1, NULL, |
| &globalWorkSize1d, NULL, 0, NULL, NULL); |
| if (status != CL_SUCCESS) { |
| av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status)); |
| return AVERROR_EXTERNAL; |
| } |
| } |
| //blocking map is suffficient, no need for clFinish |
| //clFinish(unsharp->opencl_ctx.command_queue); |
| |
| return av_opencl_buffer_read_image(out->data, unsharp->opencl_ctx.out_plane_size, |
| unsharp->opencl_ctx.plane_num, unsharp->opencl_ctx.cl_outbuf, |
| unsharp->opencl_ctx.cl_outbuf_size); |
| } |
| |
| int ff_opencl_unsharp_init(AVFilterContext *ctx) |
| { |
| int ret = 0; |
| char build_opts[96]; |
| UnsharpContext *unsharp = ctx->priv; |
| ret = av_opencl_init(NULL); |
| if (ret < 0) |
| return ret; |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask, |
| sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1) * (2 * unsharp->luma.steps_y + 1), |
| CL_MEM_READ_ONLY, NULL); |
| if (ret < 0) |
| return ret; |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask, |
| sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1) * (2 * unsharp->chroma.steps_y + 1), |
| CL_MEM_READ_ONLY, NULL); |
| // separable filters |
| if (ret < 0) |
| return ret; |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask_x, |
| sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1), |
| CL_MEM_READ_ONLY, NULL); |
| if (ret < 0) |
| return ret; |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask_y, |
| sizeof(uint32_t) * (2 * unsharp->luma.steps_y + 1), |
| CL_MEM_READ_ONLY, NULL); |
| if (ret < 0) |
| return ret; |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask_x, |
| sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1), |
| CL_MEM_READ_ONLY, NULL); |
| if (ret < 0) |
| return ret; |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask_y, |
| sizeof(uint32_t) * (2 * unsharp->chroma.steps_y + 1), |
| CL_MEM_READ_ONLY, NULL); |
| if (ret < 0) |
| return ret; |
| ret = generate_mask(ctx); |
| if (ret < 0) |
| return ret; |
| unsharp->opencl_ctx.plane_num = PLANE_NUM; |
| unsharp->opencl_ctx.command_queue = av_opencl_get_command_queue(); |
| if (!unsharp->opencl_ctx.command_queue) { |
| av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'unsharp'\n"); |
| return AVERROR(EINVAL); |
| } |
| snprintf(build_opts, 96, "-D LU_RADIUS_X=%d -D LU_RADIUS_Y=%d -D CH_RADIUS_X=%d -D CH_RADIUS_Y=%d", |
| 2*unsharp->luma.steps_x+1, 2*unsharp->luma.steps_y+1, 2*unsharp->chroma.steps_x+1, 2*unsharp->chroma.steps_y+1); |
| unsharp->opencl_ctx.program = av_opencl_compile("unsharp", build_opts); |
| if (!unsharp->opencl_ctx.program) { |
| av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'unsharp'\n"); |
| return AVERROR(EINVAL); |
| } |
| if (unsharp->opencl_ctx.use_fast_kernels) { |
| if (!unsharp->opencl_ctx.kernel_luma) { |
| unsharp->opencl_ctx.kernel_luma = clCreateKernel(unsharp->opencl_ctx.program, "unsharp_luma", &ret); |
| if (ret != CL_SUCCESS) { |
| av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'unsharp_luma'\n"); |
| return ret; |
| } |
| } |
| if (!unsharp->opencl_ctx.kernel_chroma) { |
| unsharp->opencl_ctx.kernel_chroma = clCreateKernel(unsharp->opencl_ctx.program, "unsharp_chroma", &ret); |
| if (ret < 0) { |
| av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'unsharp_chroma'\n"); |
| return ret; |
| } |
| } |
| } |
| else { |
| if (!unsharp->opencl_ctx.kernel_default) { |
| unsharp->opencl_ctx.kernel_default = clCreateKernel(unsharp->opencl_ctx.program, "unsharp_default", &ret); |
| if (ret < 0) { |
| av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'unsharp_default'\n"); |
| return ret; |
| } |
| } |
| } |
| return ret; |
| } |
| |
| void ff_opencl_unsharp_uninit(AVFilterContext *ctx) |
| { |
| UnsharpContext *unsharp = ctx->priv; |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_inbuf); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_outbuf); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask_x); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask_x); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask_y); |
| av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask_y); |
| clReleaseKernel(unsharp->opencl_ctx.kernel_default); |
| clReleaseKernel(unsharp->opencl_ctx.kernel_luma); |
| clReleaseKernel(unsharp->opencl_ctx.kernel_chroma); |
| clReleaseProgram(unsharp->opencl_ctx.program); |
| unsharp->opencl_ctx.command_queue = NULL; |
| av_opencl_uninit(); |
| } |
| |
| int ff_opencl_unsharp_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
| { |
| int ret = 0; |
| AVFilterLink *link = ctx->inputs[0]; |
| UnsharpContext *unsharp = ctx->priv; |
| int ch = AV_CEIL_RSHIFT(link->h, unsharp->vsub); |
| |
| if ((!unsharp->opencl_ctx.cl_inbuf) || (!unsharp->opencl_ctx.cl_outbuf)) { |
| unsharp->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height); |
| unsharp->opencl_ctx.in_plane_size[1] = (in->linesize[1] * ch); |
| unsharp->opencl_ctx.in_plane_size[2] = (in->linesize[2] * ch); |
| unsharp->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height); |
| unsharp->opencl_ctx.out_plane_size[1] = (out->linesize[1] * ch); |
| unsharp->opencl_ctx.out_plane_size[2] = (out->linesize[2] * ch); |
| unsharp->opencl_ctx.cl_inbuf_size = unsharp->opencl_ctx.in_plane_size[0] + |
| unsharp->opencl_ctx.in_plane_size[1] + |
| unsharp->opencl_ctx.in_plane_size[2]; |
| unsharp->opencl_ctx.cl_outbuf_size = unsharp->opencl_ctx.out_plane_size[0] + |
| unsharp->opencl_ctx.out_plane_size[1] + |
| unsharp->opencl_ctx.out_plane_size[2]; |
| if (!unsharp->opencl_ctx.cl_inbuf) { |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_inbuf, |
| unsharp->opencl_ctx.cl_inbuf_size, |
| CL_MEM_READ_ONLY, NULL); |
| if (ret < 0) |
| return ret; |
| } |
| if (!unsharp->opencl_ctx.cl_outbuf) { |
| ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_outbuf, |
| unsharp->opencl_ctx.cl_outbuf_size, |
| CL_MEM_READ_WRITE, NULL); |
| if (ret < 0) |
| return ret; |
| } |
| } |
| return av_opencl_buffer_write_image(unsharp->opencl_ctx.cl_inbuf, |
| unsharp->opencl_ctx.cl_inbuf_size, |
| 0, in->data, unsharp->opencl_ctx.in_plane_size, |
| unsharp->opencl_ctx.plane_num); |
| } |
