0,0 → 1,176 |
/* |
* Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
/** |
* @file |
* transform input video |
*/ |
|
#include "libavutil/common.h" |
#include "libavutil/dict.h" |
#include "libavutil/pixdesc.h" |
#include "deshake_opencl.h" |
#include "libavutil/opencl_internal.h" |
|
#define MATRIX_SIZE 6 |
#define PLANE_NUM 3 |
|
int ff_opencl_transform(AVFilterContext *ctx, |
int width, int height, int cw, int ch, |
const float *matrix_y, const float *matrix_uv, |
enum InterpolateMethod interpolate, |
enum FillMethod fill, AVFrame *in, AVFrame *out) |
{ |
int ret = 0; |
const size_t global_work_size = width * height + 2 * ch * cw; |
cl_int status; |
DeshakeContext *deshake = ctx->priv; |
FFOpenclParam opencl_param = {0}; |
|
opencl_param.ctx = ctx; |
opencl_param.kernel = deshake->opencl_ctx.kernel_env.kernel; |
ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_y, (uint8_t *)matrix_y, deshake->opencl_ctx.matrix_size * sizeof(cl_float)); |
if (ret < 0) |
return ret; |
ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_uv, (uint8_t *)matrix_uv, deshake->opencl_ctx.matrix_size * sizeof(cl_float)); |
if (ret < 0) |
return ret; |
|
if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) { |
av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n"); |
return AVERROR(EINVAL); |
} |
ret = ff_opencl_set_parameter(&opencl_param, |
FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf), |
FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf), |
FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_matrix_y), |
FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_matrix_uv), |
FF_OPENCL_PARAM_INFO(interpolate), |
FF_OPENCL_PARAM_INFO(fill), |
FF_OPENCL_PARAM_INFO(in->linesize[0]), |
FF_OPENCL_PARAM_INFO(out->linesize[0]), |
FF_OPENCL_PARAM_INFO(in->linesize[1]), |
FF_OPENCL_PARAM_INFO(out->linesize[1]), |
FF_OPENCL_PARAM_INFO(height), |
FF_OPENCL_PARAM_INFO(width), |
FF_OPENCL_PARAM_INFO(ch), |
FF_OPENCL_PARAM_INFO(cw), |
NULL); |
if (ret < 0) |
return ret; |
status = clEnqueueNDRangeKernel(deshake->opencl_ctx.kernel_env.command_queue, |
deshake->opencl_ctx.kernel_env.kernel, 1, NULL, |
&global_work_size, NULL, 0, NULL, NULL); |
if (status != CL_SUCCESS) { |
av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status)); |
return AVERROR_EXTERNAL; |
} |
clFinish(deshake->opencl_ctx.kernel_env.command_queue); |
ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size, |
deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf, |
deshake->opencl_ctx.cl_outbuf_size); |
if (ret < 0) |
return ret; |
return ret; |
} |
|
int ff_opencl_deshake_init(AVFilterContext *ctx) |
{ |
int ret = 0; |
DeshakeContext *deshake = ctx->priv; |
ret = av_opencl_init(NULL); |
if (ret < 0) |
return ret; |
deshake->opencl_ctx.matrix_size = MATRIX_SIZE; |
deshake->opencl_ctx.plane_num = PLANE_NUM; |
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_y, |
deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL); |
if (ret < 0) |
return ret; |
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_uv, |
deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL); |
if (ret < 0) |
return ret; |
if (!deshake->opencl_ctx.kernel_env.kernel) { |
ret = av_opencl_create_kernel(&deshake->opencl_ctx.kernel_env, "avfilter_transform"); |
if (ret < 0) { |
av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel for name 'avfilter_transform'\n"); |
return ret; |
} |
} |
return ret; |
} |
|
void ff_opencl_deshake_uninit(AVFilterContext *ctx) |
{ |
DeshakeContext *deshake = ctx->priv; |
av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf); |
av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf); |
av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_y); |
av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_uv); |
av_opencl_release_kernel(&deshake->opencl_ctx.kernel_env); |
av_opencl_uninit(); |
} |
|
|
int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
{ |
int ret = 0; |
AVFilterLink *link = ctx->inputs[0]; |
DeshakeContext *deshake = ctx->priv; |
const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h; |
int chroma_height = FF_CEIL_RSHIFT(link->h, hshift); |
|
if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) { |
deshake->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height); |
deshake->opencl_ctx.in_plane_size[1] = (in->linesize[1] * chroma_height); |
deshake->opencl_ctx.in_plane_size[2] = (in->linesize[2] * chroma_height); |
deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height); |
deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height); |
deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height); |
deshake->opencl_ctx.cl_inbuf_size = deshake->opencl_ctx.in_plane_size[0] + |
deshake->opencl_ctx.in_plane_size[1] + |
deshake->opencl_ctx.in_plane_size[2]; |
deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] + |
deshake->opencl_ctx.out_plane_size[1] + |
deshake->opencl_ctx.out_plane_size[2]; |
if (!deshake->opencl_ctx.cl_inbuf) { |
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf, |
deshake->opencl_ctx.cl_inbuf_size, |
CL_MEM_READ_ONLY, NULL); |
if (ret < 0) |
return ret; |
} |
if (!deshake->opencl_ctx.cl_outbuf) { |
ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf, |
deshake->opencl_ctx.cl_outbuf_size, |
CL_MEM_READ_WRITE, NULL); |
if (ret < 0) |
return ret; |
} |
} |
ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf, |
deshake->opencl_ctx.cl_inbuf_size, |
0, in->data,deshake->opencl_ctx.in_plane_size, |
deshake->opencl_ctx.plane_num); |
if(ret < 0) |
return ret; |
return ret; |
} |