182 lines
8.3 KiB
C
182 lines
8.3 KiB
C
/*
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* Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* transform input video
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*/
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#include "libavutil/common.h"
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#include "libavutil/dict.h"
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#include "libavutil/pixdesc.h"
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#include "deshake_opencl.h"
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#define MATRIX_SIZE 6
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#define PLANE_NUM 3
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#define TRANSFORM_OPENCL_CHECK(method, ...) \
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status = method(__VA_ARGS__); \
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if (status != CL_SUCCESS) { \
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av_log(ctx, AV_LOG_ERROR, "error %s %d\n", # method, status); \
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return AVERROR_EXTERNAL; \
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}
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#define TRANSFORM_OPENCL_SET_KERNEL_ARG(arg_ptr) \
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status = clSetKernelArg((kernel),(arg_no++),(sizeof(arg_ptr)),(void*)(&(arg_ptr))); \
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if (status != CL_SUCCESS) { \
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av_log(ctx, AV_LOG_ERROR, "cannot set kernel argument: %d\n", status ); \
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return AVERROR_EXTERNAL; \
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}
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int ff_opencl_transform(AVFilterContext *ctx,
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int width, int height, int cw, int ch,
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const float *matrix_y, const float *matrix_uv,
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enum InterpolateMethod interpolate,
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enum FillMethod fill, AVFrame *in, AVFrame *out)
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{
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int arg_no, ret = 0;
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const size_t global_work_size = width * height + 2 * ch * cw;
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cl_kernel kernel;
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cl_int status;
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DeshakeContext *deshake = ctx->priv;
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ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_y, (uint8_t *)matrix_y, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
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if (ret < 0)
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return ret;
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ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_uv, (uint8_t *)matrix_uv, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
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if (ret < 0)
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return ret;
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kernel = deshake->opencl_ctx.kernel_env.kernel;
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arg_no = 0;
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if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) {
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av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n");
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return AVERROR(EINVAL);
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}
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TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_inbuf);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_outbuf);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_matrix_y);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(deshake->opencl_ctx.cl_matrix_uv);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(interpolate);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(fill);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(in->linesize[0]);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(out->linesize[0]);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(in->linesize[1]);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(out->linesize[1]);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(height);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(width);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(ch);
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TRANSFORM_OPENCL_SET_KERNEL_ARG(cw);
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TRANSFORM_OPENCL_CHECK(clEnqueueNDRangeKernel, deshake->opencl_ctx.kernel_env.command_queue, deshake->opencl_ctx.kernel_env.kernel, 1, NULL,
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&global_work_size, NULL, 0, NULL, NULL);
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clFinish(deshake->opencl_ctx.kernel_env.command_queue);
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ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
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deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
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deshake->opencl_ctx.cl_outbuf_size);
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if (ret < 0)
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return ret;
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return ret;
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}
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int ff_opencl_deshake_init(AVFilterContext *ctx)
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{
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int ret = 0;
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DeshakeContext *deshake = ctx->priv;
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AVDictionary *options = NULL;
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av_dict_set(&options, "build_options", "-I.", 0);
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ret = av_opencl_init(options, NULL);
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av_dict_free(&options);
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if (ret < 0)
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return ret;
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deshake->opencl_ctx.matrix_size = MATRIX_SIZE;
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deshake->opencl_ctx.plane_num = PLANE_NUM;
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ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_y,
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deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
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if (ret < 0)
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return ret;
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ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_uv,
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deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
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if (ret < 0)
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return ret;
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if (!deshake->opencl_ctx.kernel_env.kernel) {
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ret = av_opencl_create_kernel(&deshake->opencl_ctx.kernel_env, "avfilter_transform");
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if (ret < 0) {
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av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel for name 'avfilter_transform'\n");
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return ret;
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}
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}
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return ret;
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}
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void ff_opencl_deshake_uninit(AVFilterContext *ctx)
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{
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DeshakeContext *deshake = ctx->priv;
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av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
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av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
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av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_y);
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av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_uv);
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av_opencl_release_kernel(&deshake->opencl_ctx.kernel_env);
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av_opencl_uninit();
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}
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int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
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{
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int ret = 0;
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AVFilterLink *link = ctx->inputs[0];
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DeshakeContext *deshake = ctx->priv;
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int chroma_height = -((-link->h) >> av_pix_fmt_desc_get(link->format)->log2_chroma_h);
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if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
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deshake->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height);
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deshake->opencl_ctx.in_plane_size[1] = (in->linesize[1] * chroma_height);
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deshake->opencl_ctx.in_plane_size[2] = (in->linesize[2] * chroma_height);
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deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
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deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
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deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
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deshake->opencl_ctx.cl_inbuf_size = deshake->opencl_ctx.in_plane_size[0] +
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deshake->opencl_ctx.in_plane_size[1] +
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deshake->opencl_ctx.in_plane_size[2];
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deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
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deshake->opencl_ctx.out_plane_size[1] +
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deshake->opencl_ctx.out_plane_size[2];
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if (!deshake->opencl_ctx.cl_inbuf) {
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ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
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deshake->opencl_ctx.cl_inbuf_size,
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CL_MEM_READ_ONLY, NULL);
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if (ret < 0)
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return ret;
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}
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if (!deshake->opencl_ctx.cl_outbuf) {
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ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
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deshake->opencl_ctx.cl_outbuf_size,
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CL_MEM_READ_WRITE, NULL);
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if (ret < 0)
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return ret;
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}
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}
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ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
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deshake->opencl_ctx.cl_inbuf_size,
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0, in->data,deshake->opencl_ctx.in_plane_size,
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deshake->opencl_ctx.plane_num);
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if(ret < 0)
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return ret;
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return ret;
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}
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