201 lines
9.3 KiB
C
201 lines
9.3 KiB
C
/*
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* Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
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* Copyright (C) 2013 Lenny Wang
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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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#include "libavutil/opencl_internal.h"
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#define PLANE_NUM 3
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#define ROUND_TO_16(a) (((((a) - 1)/16)+1)*16)
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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 ret = 0;
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cl_int status;
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DeshakeContext *deshake = ctx->priv;
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float4 packed_matrix_lu = {matrix_y[0], matrix_y[1], matrix_y[2], matrix_y[5]};
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float4 packed_matrix_ch = {matrix_uv[0], matrix_uv[1], matrix_uv[2], matrix_uv[5]};
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size_t global_worksize_lu[2] = {(size_t)ROUND_TO_16(width), (size_t)ROUND_TO_16(height)};
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size_t global_worksize_ch[2] = {(size_t)ROUND_TO_16(cw), (size_t)(2*ROUND_TO_16(ch))};
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size_t local_worksize[2] = {16, 16};
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FFOpenclParam param_lu = {0};
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FFOpenclParam param_ch = {0};
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param_lu.ctx = param_ch.ctx = ctx;
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param_lu.kernel = deshake->opencl_ctx.kernel_luma;
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param_ch.kernel = deshake->opencl_ctx.kernel_chroma;
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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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ret = ff_opencl_set_parameter(¶m_lu,
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FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
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FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
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FF_OPENCL_PARAM_INFO(packed_matrix_lu),
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FF_OPENCL_PARAM_INFO(interpolate),
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FF_OPENCL_PARAM_INFO(fill),
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FF_OPENCL_PARAM_INFO(in->linesize[0]),
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FF_OPENCL_PARAM_INFO(out->linesize[0]),
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FF_OPENCL_PARAM_INFO(height),
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FF_OPENCL_PARAM_INFO(width),
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NULL);
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if (ret < 0)
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return ret;
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ret = ff_opencl_set_parameter(¶m_ch,
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FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
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FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
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FF_OPENCL_PARAM_INFO(packed_matrix_ch),
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FF_OPENCL_PARAM_INFO(interpolate),
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FF_OPENCL_PARAM_INFO(fill),
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FF_OPENCL_PARAM_INFO(in->linesize[0]),
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FF_OPENCL_PARAM_INFO(out->linesize[0]),
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FF_OPENCL_PARAM_INFO(in->linesize[1]),
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FF_OPENCL_PARAM_INFO(out->linesize[1]),
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FF_OPENCL_PARAM_INFO(height),
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FF_OPENCL_PARAM_INFO(width),
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FF_OPENCL_PARAM_INFO(ch),
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FF_OPENCL_PARAM_INFO(cw),
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NULL);
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if (ret < 0)
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return ret;
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status = clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
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deshake->opencl_ctx.kernel_luma, 2, NULL,
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global_worksize_lu, local_worksize, 0, NULL, NULL);
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status |= clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
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deshake->opencl_ctx.kernel_chroma, 2, NULL,
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global_worksize_ch, local_worksize, 0, NULL, NULL);
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if (status != CL_SUCCESS) {
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av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
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return AVERROR_EXTERNAL;
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}
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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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ret = av_opencl_init(NULL);
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if (ret < 0)
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return ret;
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deshake->opencl_ctx.plane_num = PLANE_NUM;
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deshake->opencl_ctx.command_queue = av_opencl_get_command_queue();
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if (!deshake->opencl_ctx.command_queue) {
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av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'deshake'\n");
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return AVERROR(EINVAL);
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}
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deshake->opencl_ctx.program = av_opencl_compile("avfilter_transform", NULL);
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if (!deshake->opencl_ctx.program) {
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av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'avfilter_transform'\n");
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return AVERROR(EINVAL);
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}
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if (!deshake->opencl_ctx.kernel_luma) {
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deshake->opencl_ctx.kernel_luma = clCreateKernel(deshake->opencl_ctx.program,
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"avfilter_transform_luma", &ret);
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if (ret != CL_SUCCESS) {
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av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_luma'\n");
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return AVERROR(EINVAL);
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}
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}
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if (!deshake->opencl_ctx.kernel_chroma) {
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deshake->opencl_ctx.kernel_chroma = clCreateKernel(deshake->opencl_ctx.program,
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"avfilter_transform_chroma", &ret);
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if (ret != CL_SUCCESS) {
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av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_chroma'\n");
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return AVERROR(EINVAL);
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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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clReleaseKernel(deshake->opencl_ctx.kernel_luma);
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clReleaseKernel(deshake->opencl_ctx.kernel_chroma);
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clReleaseProgram(deshake->opencl_ctx.program);
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deshake->opencl_ctx.command_queue = NULL;
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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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const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h;
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int chroma_height = FF_CEIL_RSHIFT(link->h, hshift);
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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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