| 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 | |
| 36 | int 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(¶m_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(¶m_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 | |
| 108 | int 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 | |
| 145 | void 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 | |
| 157 | int 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 | } |