git.sesse.net Git - ffmpeg/blob - libavfilter/deshake_opencl.c

   1 /*
   2  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 /**
  22  * @file
  23  * transform input video
  24  */
  25
  26 #include "libavutil/common.h"
  27 #include "libavutil/dict.h"
  28 #include "libavutil/pixdesc.h"
  29 #include "deshake_opencl.h"
  30 #include "libavutil/opencl_internal.h"
  31
  32 #define MATRIX_SIZE 6
  33 #define PLANE_NUM 3
  34
  35 int ff_opencl_transform(AVFilterContext *ctx,
  36                         int width, int height, int cw, int ch,
  37                         const float *matrix_y, const float *matrix_uv,
  38                         enum InterpolateMethod interpolate,
  39                         enum FillMethod fill, AVFrame *in, AVFrame *out)
  40 {
  41     int ret = 0;
  42     const size_t global_work_size = width * height + 2 * ch * cw;
  43     cl_int status;
  44     DeshakeContext *deshake = ctx->priv;
  45     FFOpenclParam opencl_param = {0};
  46
  47     opencl_param.ctx = ctx;
  48     opencl_param.kernel = deshake->opencl_ctx.kernel_env.kernel;
  49     ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_y, (uint8_t *)matrix_y, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
  50     if (ret < 0)
  51         return ret;
  52     ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_uv, (uint8_t *)matrix_uv, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
  53     if (ret < 0)
  54         return ret;
  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 = ff_opencl_set_parameter(&opencl_param,
  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(deshake->opencl_ctx.cl_matrix_y),
  64                                   FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_matrix_uv),
  65                                   FF_OPENCL_PARAM_INFO(interpolate),
  66                                   FF_OPENCL_PARAM_INFO(fill),
  67                                   FF_OPENCL_PARAM_INFO(in->linesize[0]),
  68                                   FF_OPENCL_PARAM_INFO(out->linesize[0]),
  69                                   FF_OPENCL_PARAM_INFO(in->linesize[1]),
  70                                   FF_OPENCL_PARAM_INFO(out->linesize[1]),
  71                                   FF_OPENCL_PARAM_INFO(height),
  72                                   FF_OPENCL_PARAM_INFO(width),
  73                                   FF_OPENCL_PARAM_INFO(ch),
  74                                   FF_OPENCL_PARAM_INFO(cw),
  75                                   NULL);
  76     if (ret < 0)
  77         return ret;
  78     status = clEnqueueNDRangeKernel(deshake->opencl_ctx.kernel_env.command_queue,
  79                                     deshake->opencl_ctx.kernel_env.kernel, 1, NULL,
  80                                     &global_work_size, NULL, 0, NULL, NULL);
  81     if (status != CL_SUCCESS) {
  82         av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
  83         return AVERROR_EXTERNAL;
  84     }
  85     clFinish(deshake->opencl_ctx.kernel_env.command_queue);
  86     ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
  87                                       deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
  88                                       deshake->opencl_ctx.cl_outbuf_size);
  89     if (ret < 0)
  90         return ret;
  91     return ret;
  92 }
  93
  94 int ff_opencl_deshake_init(AVFilterContext *ctx)
  95 {
  96     int ret = 0;
  97     DeshakeContext *deshake = ctx->priv;
  98     ret = av_opencl_init(NULL);
  99     if (ret < 0)
 100         return ret;
 101     deshake->opencl_ctx.matrix_size = MATRIX_SIZE;
 102     deshake->opencl_ctx.plane_num   = PLANE_NUM;
 103     ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_y,
 104         deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
 105     if (ret < 0)
 106         return ret;
 107     ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_uv,
 108         deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
 109     if (ret < 0)
 110         return ret;
 111     if (!deshake->opencl_ctx.kernel_env.kernel) {
 112         ret =  av_opencl_create_kernel(&deshake->opencl_ctx.kernel_env, "avfilter_transform");
 113         if (ret < 0) {
 114             av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel for name 'avfilter_transform'\n");
 115             return ret;
 116         }
 117     }
 118     return ret;
 119 }
 120
 121 void ff_opencl_deshake_uninit(AVFilterContext *ctx)
 122 {
 123     DeshakeContext *deshake = ctx->priv;
 124     av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
 125     av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
 126     av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_y);
 127     av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_uv);
 128     av_opencl_release_kernel(&deshake->opencl_ctx.kernel_env);
 129     av_opencl_uninit();
 130 }
 131
 132
 133 int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
 134 {
 135     int ret = 0;
 136     AVFilterLink *link = ctx->inputs[0];
 137     DeshakeContext *deshake = ctx->priv;
 138     const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h;
 139     int chroma_height = FF_CEIL_RSHIFT(link->h, hshift);
 140
 141     if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
 142         deshake->opencl_ctx.in_plane_size[0]  = (in->linesize[0] * in->height);
 143         deshake->opencl_ctx.in_plane_size[1]  = (in->linesize[1] * chroma_height);
 144         deshake->opencl_ctx.in_plane_size[2]  = (in->linesize[2] * chroma_height);
 145         deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
 146         deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
 147         deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
 148         deshake->opencl_ctx.cl_inbuf_size  = deshake->opencl_ctx.in_plane_size[0] +
 149                                              deshake->opencl_ctx.in_plane_size[1] +
 150                                              deshake->opencl_ctx.in_plane_size[2];
 151         deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
 152                                              deshake->opencl_ctx.out_plane_size[1] +
 153                                              deshake->opencl_ctx.out_plane_size[2];
 154         if (!deshake->opencl_ctx.cl_inbuf) {
 155             ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
 156                                             deshake->opencl_ctx.cl_inbuf_size,
 157                                             CL_MEM_READ_ONLY, NULL);
 158             if (ret < 0)
 159                 return ret;
 160         }
 161         if (!deshake->opencl_ctx.cl_outbuf) {
 162             ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
 163                                             deshake->opencl_ctx.cl_outbuf_size,
 164                                             CL_MEM_READ_WRITE, NULL);
 165             if (ret < 0)
 166                 return ret;
 167         }
 168     }
 169     ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
 170                                  deshake->opencl_ctx.cl_inbuf_size,
 171                                  0, in->data,deshake->opencl_ctx.in_plane_size,
 172                                  deshake->opencl_ctx.plane_num);
 173     if(ret < 0)
 174         return ret;
 175     return ret;
 176 }