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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (C) 2013 Wei Gao |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | /** |
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| 22 | * @file |
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| 23 | * unsharp input video |
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| 24 | */ |
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| 25 | |||
| 26 | #include "unsharp_opencl.h" |
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| 27 | #include "libavutil/common.h" |
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| 28 | #include "libavutil/opencl_internal.h" |
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| 29 | |||
| 30 | #define PLANE_NUM 3 |
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| 31 | |||
| 32 | static inline void add_mask_counter(uint32_t *dst, uint32_t *counter1, uint32_t *counter2, int len) |
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| 33 | { |
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| 34 | int i; |
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| 35 | for (i = 0; i < len; i++) { |
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| 36 | dst[i] = counter1[i] + counter2[i]; |
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| 37 | } |
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| 38 | } |
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| 39 | |||
| 40 | static int compute_mask(int step, uint32_t *mask) |
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| 41 | { |
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| 42 | int i, z, ret = 0; |
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| 43 | int counter_size = sizeof(uint32_t) * (2 * step + 1); |
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| 44 | uint32_t *temp1_counter, *temp2_counter, **counter; |
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| 45 | temp1_counter = av_mallocz(counter_size); |
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| 46 | if (!temp1_counter) { |
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| 47 | ret = AVERROR(ENOMEM); |
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| 48 | goto end; |
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| 49 | } |
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| 50 | temp2_counter = av_mallocz(counter_size); |
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| 51 | if (!temp2_counter) { |
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| 52 | ret = AVERROR(ENOMEM); |
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| 53 | goto end; |
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| 54 | } |
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| 55 | counter = av_mallocz(sizeof(uint32_t *) * (2 * step + 1)); |
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| 56 | if (!counter) { |
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| 57 | ret = AVERROR(ENOMEM); |
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| 58 | goto end; |
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| 59 | } |
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| 60 | for (i = 0; i < 2 * step + 1; i++) { |
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| 61 | counter[i] = av_mallocz(counter_size); |
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| 62 | if (!counter[i]) { |
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| 63 | ret = AVERROR(ENOMEM); |
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| 64 | goto end; |
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| 65 | } |
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| 66 | } |
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| 67 | for (i = 0; i < 2 * step + 1; i++) { |
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| 68 | memset(temp1_counter, 0, counter_size); |
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| 69 | temp1_counter[i] = 1; |
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| 70 | for (z = 0; z < step * 2; z += 2) { |
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| 71 | add_mask_counter(temp2_counter, counter[z], temp1_counter, step * 2); |
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| 72 | memcpy(counter[z], temp1_counter, counter_size); |
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| 73 | add_mask_counter(temp1_counter, counter[z + 1], temp2_counter, step * 2); |
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| 74 | memcpy(counter[z + 1], temp2_counter, counter_size); |
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| 75 | } |
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| 76 | } |
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| 77 | memcpy(mask, temp1_counter, counter_size); |
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| 78 | end: |
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| 79 | av_freep(&temp1_counter); |
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| 80 | av_freep(&temp2_counter); |
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| 81 | for (i = 0; i < 2 * step + 1; i++) { |
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| 82 | av_freep(&counter[i]); |
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| 83 | } |
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| 84 | av_freep(&counter); |
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| 85 | return ret; |
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| 86 | } |
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| 87 | |||
| 88 | static int compute_mask_matrix(cl_mem cl_mask_matrix, int step_x, int step_y) |
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| 89 | { |
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| 90 | int i, j, ret = 0; |
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| 91 | uint32_t *mask_matrix, *mask_x, *mask_y; |
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| 92 | size_t size_matrix = sizeof(uint32_t) * (2 * step_x + 1) * (2 * step_y + 1); |
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| 93 | mask_x = av_mallocz(sizeof(uint32_t) * (2 * step_x + 1)); |
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| 94 | if (!mask_x) { |
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| 95 | ret = AVERROR(ENOMEM); |
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| 96 | goto end; |
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| 97 | } |
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| 98 | mask_y = av_mallocz(sizeof(uint32_t) * (2 * step_y + 1)); |
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| 99 | if (!mask_y) { |
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| 100 | ret = AVERROR(ENOMEM); |
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| 101 | goto end; |
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| 102 | } |
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| 103 | mask_matrix = av_mallocz(size_matrix); |
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| 104 | if (!mask_matrix) { |
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| 105 | ret = AVERROR(ENOMEM); |
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| 106 | goto end; |
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| 107 | } |
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| 108 | ret = compute_mask(step_x, mask_x); |
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| 109 | if (ret < 0) |
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| 110 | goto end; |
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| 111 | ret = compute_mask(step_y, mask_y); |
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| 112 | if (ret < 0) |
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| 113 | goto end; |
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| 114 | for (j = 0; j < 2 * step_y + 1; j++) { |
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| 115 | for (i = 0; i < 2 * step_x + 1; i++) { |
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| 116 | mask_matrix[i + j * (2 * step_x + 1)] = mask_y[j] * mask_x[i]; |
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| 117 | } |
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| 118 | } |
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| 119 | ret = av_opencl_buffer_write(cl_mask_matrix, (uint8_t *)mask_matrix, size_matrix); |
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| 120 | end: |
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| 121 | av_freep(&mask_x); |
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| 122 | av_freep(&mask_y); |
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| 123 | av_freep(&mask_matrix); |
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| 124 | return ret; |
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| 125 | } |
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| 126 | |||
| 127 | static int generate_mask(AVFilterContext *ctx) |
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| 128 | { |
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| 129 | UnsharpContext *unsharp = ctx->priv; |
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| 130 | int i, ret = 0, step_x[2], step_y[2]; |
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| 131 | cl_mem mask_matrix[2]; |
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| 132 | mask_matrix[0] = unsharp->opencl_ctx.cl_luma_mask; |
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| 133 | mask_matrix[1] = unsharp->opencl_ctx.cl_chroma_mask; |
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| 134 | step_x[0] = unsharp->luma.steps_x; |
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| 135 | step_x[1] = unsharp->chroma.steps_x; |
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| 136 | step_y[0] = unsharp->luma.steps_y; |
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| 137 | step_y[1] = unsharp->chroma.steps_y; |
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| 138 | if (!mask_matrix[0] || !mask_matrix[1]) { |
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| 139 | av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n"); |
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| 140 | return AVERROR(EINVAL); |
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| 141 | } |
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| 142 | for (i = 0; i < 2; i++) { |
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| 143 | ret = compute_mask_matrix(mask_matrix[i], step_x[i], step_y[i]); |
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| 144 | if (ret < 0) |
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| 145 | return ret; |
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| 146 | } |
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| 147 | return ret; |
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| 148 | } |
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| 149 | |||
| 150 | int ff_opencl_apply_unsharp(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
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| 151 | { |
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| 152 | int ret; |
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| 153 | AVFilterLink *link = ctx->inputs[0]; |
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| 154 | UnsharpContext *unsharp = ctx->priv; |
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| 155 | cl_int status; |
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| 156 | int cw = FF_CEIL_RSHIFT(link->w, unsharp->hsub); |
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| 157 | int ch = FF_CEIL_RSHIFT(link->h, unsharp->vsub); |
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| 158 | const size_t global_work_size = link->w * link->h + 2 * ch * cw; |
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| 159 | FFOpenclParam opencl_param = {0}; |
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| 160 | |||
| 161 | opencl_param.ctx = ctx; |
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| 162 | opencl_param.kernel = unsharp->opencl_ctx.kernel_env.kernel; |
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| 163 | ret = ff_opencl_set_parameter(&opencl_param, |
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| 164 | FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf), |
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| 165 | FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf), |
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| 166 | FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask), |
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| 167 | FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask), |
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| 168 | FF_OPENCL_PARAM_INFO(unsharp->luma.amount), |
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| 169 | FF_OPENCL_PARAM_INFO(unsharp->chroma.amount), |
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| 170 | FF_OPENCL_PARAM_INFO(unsharp->luma.steps_x), |
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| 171 | FF_OPENCL_PARAM_INFO(unsharp->luma.steps_y), |
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| 172 | FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_x), |
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| 173 | FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_y), |
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| 174 | FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits), |
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| 175 | FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits), |
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| 176 | FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale), |
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| 177 | FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale), |
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| 178 | FF_OPENCL_PARAM_INFO(in->linesize[0]), |
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| 179 | FF_OPENCL_PARAM_INFO(in->linesize[1]), |
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| 180 | FF_OPENCL_PARAM_INFO(out->linesize[0]), |
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| 181 | FF_OPENCL_PARAM_INFO(out->linesize[1]), |
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| 182 | FF_OPENCL_PARAM_INFO(link->h), |
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| 183 | FF_OPENCL_PARAM_INFO(link->w), |
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| 184 | FF_OPENCL_PARAM_INFO(ch), |
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| 185 | FF_OPENCL_PARAM_INFO(cw), |
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| 186 | NULL); |
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| 187 | if (ret < 0) |
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| 188 | return ret; |
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| 189 | status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.kernel_env.command_queue, |
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| 190 | unsharp->opencl_ctx.kernel_env.kernel, 1, NULL, |
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| 191 | &global_work_size, NULL, 0, NULL, NULL); |
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| 192 | if (status != CL_SUCCESS) { |
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| 193 | av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status)); |
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| 194 | return AVERROR_EXTERNAL; |
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| 195 | } |
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| 196 | clFinish(unsharp->opencl_ctx.kernel_env.command_queue); |
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| 197 | return av_opencl_buffer_read_image(out->data, unsharp->opencl_ctx.out_plane_size, |
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| 198 | unsharp->opencl_ctx.plane_num, unsharp->opencl_ctx.cl_outbuf, |
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| 199 | unsharp->opencl_ctx.cl_outbuf_size); |
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| 200 | } |
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| 201 | |||
| 202 | int ff_opencl_unsharp_init(AVFilterContext *ctx) |
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| 203 | { |
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| 204 | int ret = 0; |
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| 205 | UnsharpContext *unsharp = ctx->priv; |
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| 206 | ret = av_opencl_init(NULL); |
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| 207 | if (ret < 0) |
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| 208 | return ret; |
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| 209 | ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask, |
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| 210 | sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1) * (2 * unsharp->luma.steps_y + 1), |
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| 211 | CL_MEM_READ_ONLY, NULL); |
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| 212 | if (ret < 0) |
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| 213 | return ret; |
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| 214 | ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask, |
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| 215 | sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1) * (2 * unsharp->chroma.steps_y + 1), |
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| 216 | CL_MEM_READ_ONLY, NULL); |
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| 217 | if (ret < 0) |
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| 218 | return ret; |
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| 219 | ret = generate_mask(ctx); |
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| 220 | if (ret < 0) |
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| 221 | return ret; |
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| 222 | unsharp->opencl_ctx.plane_num = PLANE_NUM; |
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| 223 | if (!unsharp->opencl_ctx.kernel_env.kernel) { |
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| 224 | ret = av_opencl_create_kernel(&unsharp->opencl_ctx.kernel_env, "unsharp"); |
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| 225 | if (ret < 0) { |
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| 226 | av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel with name 'unsharp'\n"); |
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| 227 | return ret; |
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| 228 | } |
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| 229 | } |
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| 230 | return ret; |
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| 231 | } |
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| 232 | |||
| 233 | void ff_opencl_unsharp_uninit(AVFilterContext *ctx) |
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| 234 | { |
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| 235 | UnsharpContext *unsharp = ctx->priv; |
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| 236 | av_opencl_buffer_release(&unsharp->opencl_ctx.cl_inbuf); |
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| 237 | av_opencl_buffer_release(&unsharp->opencl_ctx.cl_outbuf); |
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| 238 | av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask); |
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| 239 | av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask); |
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| 240 | av_opencl_release_kernel(&unsharp->opencl_ctx.kernel_env); |
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| 241 | av_opencl_uninit(); |
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| 242 | } |
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| 243 | |||
| 244 | int ff_opencl_unsharp_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
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| 245 | { |
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| 246 | int ret = 0; |
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| 247 | AVFilterLink *link = ctx->inputs[0]; |
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| 248 | UnsharpContext *unsharp = ctx->priv; |
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| 249 | int ch = FF_CEIL_RSHIFT(link->h, unsharp->vsub); |
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| 250 | |||
| 251 | if ((!unsharp->opencl_ctx.cl_inbuf) || (!unsharp->opencl_ctx.cl_outbuf)) { |
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| 252 | unsharp->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height); |
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| 253 | unsharp->opencl_ctx.in_plane_size[1] = (in->linesize[1] * ch); |
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| 254 | unsharp->opencl_ctx.in_plane_size[2] = (in->linesize[2] * ch); |
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| 255 | unsharp->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height); |
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| 256 | unsharp->opencl_ctx.out_plane_size[1] = (out->linesize[1] * ch); |
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| 257 | unsharp->opencl_ctx.out_plane_size[2] = (out->linesize[2] * ch); |
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| 258 | unsharp->opencl_ctx.cl_inbuf_size = unsharp->opencl_ctx.in_plane_size[0] + |
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| 259 | unsharp->opencl_ctx.in_plane_size[1] + |
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| 260 | unsharp->opencl_ctx.in_plane_size[2]; |
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| 261 | unsharp->opencl_ctx.cl_outbuf_size = unsharp->opencl_ctx.out_plane_size[0] + |
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| 262 | unsharp->opencl_ctx.out_plane_size[1] + |
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| 263 | unsharp->opencl_ctx.out_plane_size[2]; |
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| 264 | if (!unsharp->opencl_ctx.cl_inbuf) { |
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| 265 | ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_inbuf, |
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| 266 | unsharp->opencl_ctx.cl_inbuf_size, |
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| 267 | CL_MEM_READ_ONLY, NULL); |
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| 268 | if (ret < 0) |
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| 269 | return ret; |
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| 270 | } |
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| 271 | if (!unsharp->opencl_ctx.cl_outbuf) { |
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| 272 | ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_outbuf, |
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| 273 | unsharp->opencl_ctx.cl_outbuf_size, |
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| 274 | CL_MEM_READ_WRITE, NULL); |
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| 275 | if (ret < 0) |
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| 276 | return ret; |
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| 277 | } |
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| 278 | } |
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| 279 | return av_opencl_buffer_write_image(unsharp->opencl_ctx.cl_inbuf, |
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| 280 | unsharp->opencl_ctx.cl_inbuf_size, |
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| 281 | 0, in->data, unsharp->opencl_ctx.in_plane_size, |
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| 282 | unsharp->opencl_ctx.plane_num); |
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| 283 | } |