mirror of https://github.com/FFmpeg/FFmpeg.git
GSoC 2022 Signed-off-by: Mohamed Khaled <mohamed.elbassiony00@eng-st.cu.edu.eg> Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>pull/388/head
Mohamed Khaled Mohamed
3 years ago
committed by
Timo Rothenpieler
parent
d1513e7f9c
commit
1a5cd79f51
9 changed files with 716 additions and 1 deletions
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/*
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* Copyright (c) 2022 Mohamed Khaled <Mohamed_Khaled_Kamal@outlook.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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#include <float.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include "libavutil/avstring.h" |
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#include "libavutil/common.h" |
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#include "libavutil/hwcontext.h" |
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#include "libavutil/hwcontext_cuda_internal.h" |
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#include "libavutil/cuda_check.h" |
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#include "libavutil/internal.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "avfilter.h" |
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#include "formats.h" |
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#include "internal.h" |
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#include "video.h" |
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#include "cuda/load_helper.h" |
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static const enum AVPixelFormat supported_formats[] = { |
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AV_PIX_FMT_YUV420P, |
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AV_PIX_FMT_NV12, |
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AV_PIX_FMT_YUV444P |
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}; |
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#define DIV_UP(a, b) ( ((a) + (b) - 1) / (b) ) |
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#define BLOCKX 32 |
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#define BLOCKY 16 |
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#define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, s->hwctx->internal->cuda_dl, x) |
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typedef struct CUDABilateralContext { |
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const AVClass *class; |
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AVCUDADeviceContext *hwctx; |
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enum AVPixelFormat in_fmt, out_fmt; |
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const AVPixFmtDescriptor *in_desc, *out_desc; |
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int in_planes, out_planes; |
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int in_plane_depths[4]; |
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int in_plane_channels[4]; |
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int window_size; |
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float sigmaS; |
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float sigmaR; |
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AVBufferRef *frames_ctx; |
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AVFrame *frame; |
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AVFrame *tmp_frame; |
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CUcontext cu_ctx; |
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CUmodule cu_module; |
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CUfunction cu_func; |
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CUfunction cu_func_uv; |
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CUstream cu_stream; |
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} CUDABilateralContext; |
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static av_cold int cudabilateral_init(AVFilterContext *ctx) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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s->frame = av_frame_alloc(); |
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if (!s->frame) |
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return AVERROR(ENOMEM); |
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s->tmp_frame = av_frame_alloc(); |
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if (!s->tmp_frame) |
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return AVERROR(ENOMEM); |
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return 0; |
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} |
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static av_cold void cudabilateral_uninit(AVFilterContext *ctx) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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if (s->hwctx && s->cu_module) { |
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CudaFunctions *cu = s->hwctx->internal->cuda_dl; |
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CUcontext bilateral; |
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CHECK_CU(cu->cuCtxPushCurrent(s->hwctx->cuda_ctx)); |
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CHECK_CU(cu->cuModuleUnload(s->cu_module)); |
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s->cu_module = NULL; |
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CHECK_CU(cu->cuCtxPopCurrent(&bilateral)); |
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} |
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av_frame_free(&s->frame); |
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av_buffer_unref(&s->frames_ctx); |
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av_frame_free(&s->tmp_frame); |
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} |
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static av_cold int init_hwframe_ctx(CUDABilateralContext *s, AVBufferRef *device_ctx, int width, int height) |
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{ |
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AVBufferRef *out_ref = NULL; |
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AVHWFramesContext *out_ctx; |
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int ret; |
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out_ref = av_hwframe_ctx_alloc(device_ctx); |
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if (!out_ref) |
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return AVERROR(ENOMEM); |
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out_ctx = (AVHWFramesContext*)out_ref->data; |
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out_ctx->format = AV_PIX_FMT_CUDA; |
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out_ctx->sw_format = s->out_fmt; |
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out_ctx->width = width; |
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out_ctx->height = height; |
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ret = av_hwframe_ctx_init(out_ref); |
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if (ret < 0) |
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goto fail; |
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av_frame_unref(s->frame); |
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ret = av_hwframe_get_buffer(out_ref, s->frame, 0); |
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if (ret < 0) |
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goto fail; |
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av_buffer_unref(&s->frames_ctx); |
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s->frames_ctx = out_ref; |
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return 0; |
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fail: |
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av_buffer_unref(&out_ref); |
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return ret; |
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} |
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static int format_is_supported(enum AVPixelFormat fmt) |
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{ |
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int i; |
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for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) |
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if (supported_formats[i] == fmt) |
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return 1; |
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return 0; |
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} |
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static av_cold void set_format_info(AVFilterContext *ctx, enum AVPixelFormat in_format, enum AVPixelFormat out_format) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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int i, p, d; |
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s->in_fmt = in_format; |
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s->out_fmt = out_format; |
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s->in_desc = av_pix_fmt_desc_get(s->in_fmt); |
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s->out_desc = av_pix_fmt_desc_get(s->out_fmt); |
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s->in_planes = av_pix_fmt_count_planes(s->in_fmt); |
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s->out_planes = av_pix_fmt_count_planes(s->out_fmt); |
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// find maximum step of each component of each plane
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// For our subset of formats, this should accurately tell us how many channels CUDA needs
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// i.e. 1 for Y plane, 2 for UV plane of NV12, 4 for single plane of RGB0 formats
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for (i = 0; i < s->in_desc->nb_components; i++) { |
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d = (s->in_desc->comp[i].depth + 7) / 8; |
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p = s->in_desc->comp[i].plane; |
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s->in_plane_channels[p] = FFMAX(s->in_plane_channels[p], s->in_desc->comp[i].step / d); |
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s->in_plane_depths[p] = s->in_desc->comp[i].depth; |
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} |
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} |
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static av_cold int init_processing_chain(AVFilterContext *ctx, int width, int height) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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AVHWFramesContext *in_frames_ctx; |
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int ret; |
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/* check that we have a hw context */ |
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if (!ctx->inputs[0]->hw_frames_ctx) { |
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av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n"); |
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return AVERROR(EINVAL); |
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} |
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in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data; |
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if (!format_is_supported(in_frames_ctx->sw_format)) { |
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av_log(ctx, AV_LOG_ERROR, "Unsupported format: %s\n", av_get_pix_fmt_name(in_frames_ctx->sw_format)); |
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return AVERROR(ENOSYS); |
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} |
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set_format_info(ctx, in_frames_ctx->sw_format, in_frames_ctx->sw_format); |
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ret = init_hwframe_ctx(s, in_frames_ctx->device_ref, width, height); |
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if (ret < 0) |
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return ret; |
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ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->frames_ctx); |
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if (!ctx->outputs[0]->hw_frames_ctx) |
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return AVERROR(ENOMEM); |
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return 0; |
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} |
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static av_cold int cuda_bilateral_load_functions(AVFilterContext *ctx) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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CUcontext bilateral, cuda_ctx = s->hwctx->cuda_ctx; |
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CudaFunctions *cu = s->hwctx->internal->cuda_dl; |
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int ret; |
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extern const unsigned char ff_vf_bilateral_cuda_ptx_data[]; |
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extern const unsigned int ff_vf_bilateral_cuda_ptx_len; |
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ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_ctx)); |
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if (ret < 0) |
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return ret; |
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ret = ff_cuda_load_module(ctx, s->hwctx, &s->cu_module, |
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ff_vf_bilateral_cuda_ptx_data, ff_vf_bilateral_cuda_ptx_len); |
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if (ret < 0) |
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goto fail; |
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ret = CHECK_CU(cu->cuModuleGetFunction(&s->cu_func, s->cu_module, "Process_uchar")); |
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if (ret < 0) { |
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av_log(ctx, AV_LOG_FATAL, "Failed loading Process_uchar\n"); |
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goto fail; |
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} |
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ret = CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_uv, s->cu_module, "Process_uchar2")); |
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if (ret < 0) { |
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av_log(ctx, AV_LOG_FATAL, "Failed loading Process_uchar2\n"); |
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goto fail; |
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} |
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fail: |
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CHECK_CU(cu->cuCtxPopCurrent(&bilateral)); |
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return ret; |
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} |
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static av_cold int cuda_bilateral_config_props(AVFilterLink *outlink) |
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{ |
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AVFilterContext *ctx = outlink->src; |
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AVFilterLink *inlink = outlink->src->inputs[0]; |
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CUDABilateralContext *s = ctx->priv; |
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AVHWFramesContext *frames_ctx = (AVHWFramesContext*)inlink->hw_frames_ctx->data; |
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AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
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int ret; |
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s->hwctx = device_hwctx; |
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s->cu_stream = s->hwctx->stream; |
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ret = init_processing_chain(ctx, inlink->w, inlink->h); |
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if (ret < 0) |
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return ret; |
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outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; |
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// the window_size makes more sense when it is odd, so add 1 if even
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s->window_size= (s->window_size%2) ? s->window_size : s->window_size+1; |
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ret = cuda_bilateral_load_functions(ctx); |
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if (ret < 0) |
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return ret; |
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return 0; |
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} |
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static int call_cuda_kernel(AVFilterContext *ctx, CUfunction func, |
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CUtexObject src_tex[3], AVFrame *out_frame, |
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int width, int height, int pitch, |
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int width_uv, int height_uv, int pitch_uv, |
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int window_size, float sigmaS, float sigmaR) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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CudaFunctions *cu = s->hwctx->internal->cuda_dl; |
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int ret; |
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CUdeviceptr dst_devptr[3] = { |
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(CUdeviceptr)out_frame->data[0], (CUdeviceptr)out_frame->data[1], (CUdeviceptr)out_frame->data[2] |
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}; |
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void *args_uchar[] = { |
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&src_tex[0], &src_tex[1], &src_tex[2], |
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&dst_devptr[0], &dst_devptr[1], &dst_devptr[2], |
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&width, &height, &pitch, |
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&width_uv, &height_uv, &pitch_uv, |
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&window_size, &sigmaS, &sigmaR |
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}; |
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ret = CHECK_CU(cu->cuLaunchKernel(func, |
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DIV_UP(width, BLOCKX), DIV_UP(height, BLOCKY), 1, |
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BLOCKX, BLOCKY, 1, 0, s->cu_stream, args_uchar, NULL)); |
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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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static int cuda_bilateral_process_internal(AVFilterContext *ctx, |
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AVFrame *out, AVFrame *in) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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CudaFunctions *cu = s->hwctx->internal->cuda_dl; |
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CUcontext bilateral, cuda_ctx = s->hwctx->cuda_ctx; |
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int i, ret; |
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CUtexObject tex[3] = { 0, 0, 0 }; |
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ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_ctx)); |
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if (ret < 0) |
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return ret; |
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for (i = 0; i < s->in_planes; i++) { |
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CUDA_TEXTURE_DESC tex_desc = { |
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.filterMode = CU_TR_FILTER_MODE_LINEAR, |
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.flags = 0, // CU_TRSF_READ_AS_INTEGER to get raw ints instead of normalized floats from tex2D
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}; |
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CUDA_RESOURCE_DESC res_desc = { |
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.resType = CU_RESOURCE_TYPE_PITCH2D, |
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.res.pitch2D.format = CU_AD_FORMAT_UNSIGNED_INT8, |
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.res.pitch2D.numChannels = s->in_plane_channels[i], |
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.res.pitch2D.pitchInBytes = in->linesize[i], |
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.res.pitch2D.devPtr = (CUdeviceptr)in->data[i], |
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}; |
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if (i == 1 || i == 2) { |
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res_desc.res.pitch2D.width = AV_CEIL_RSHIFT(in->width, s->in_desc->log2_chroma_w); |
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res_desc.res.pitch2D.height = AV_CEIL_RSHIFT(in->height, s->in_desc->log2_chroma_h); |
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} else { |
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res_desc.res.pitch2D.width = in->width; |
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res_desc.res.pitch2D.height = in->height; |
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} |
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ret = CHECK_CU(cu->cuTexObjectCreate(&tex[i], &res_desc, &tex_desc, NULL)); |
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if (ret < 0) |
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goto exit; |
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} |
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ret = call_cuda_kernel(ctx, (s->in_plane_channels[1] > 1) ? s->cu_func_uv : s->cu_func, |
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tex, out, |
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out->width, out->height, out->linesize[0], |
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AV_CEIL_RSHIFT(out->width, s->out_desc->log2_chroma_w), |
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AV_CEIL_RSHIFT(out->height, s->out_desc->log2_chroma_h), |
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out->linesize[1] >> ((s->in_plane_channels[1] > 1) ? 1 : 0), |
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s->window_size, s->sigmaS, s->sigmaR); |
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if (ret < 0) |
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goto exit; |
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exit: |
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for (i = 0; i < s->in_planes; i++) |
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if (tex[i]) |
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CHECK_CU(cu->cuTexObjectDestroy(tex[i])); |
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CHECK_CU(cu->cuCtxPopCurrent(&bilateral)); |
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return ret; |
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} |
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static int cuda_bilateral_process(AVFilterContext *ctx, AVFrame *out, AVFrame *in) |
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{ |
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CUDABilateralContext *s = ctx->priv; |
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AVFrame *src = in; |
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int ret; |
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ret = cuda_bilateral_process_internal(ctx, s->frame, src); |
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if (ret < 0) |
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return ret; |
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src = s->frame; |
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ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0); |
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if (ret < 0) |
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return ret; |
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av_frame_move_ref(out, s->frame); |
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av_frame_move_ref(s->frame, s->tmp_frame); |
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ret = av_frame_copy_props(out, in); |
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if (ret < 0) |
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return ret; |
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return 0; |
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} |
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static int cuda_bilateral_filter_frame(AVFilterLink *link, AVFrame *in) |
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{ |
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AVFilterContext *ctx = link->dst; |
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CUDABilateralContext *s = ctx->priv; |
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AVFilterLink *outlink = ctx->outputs[0]; |
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CudaFunctions *cu = s->hwctx->internal->cuda_dl; |
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AVFrame *out = NULL; |
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CUcontext bilateral; |
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int ret = 0; |
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out = av_frame_alloc(); |
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if (!out) { |
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ret = AVERROR(ENOMEM); |
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goto fail; |
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} |
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ret = CHECK_CU(cu->cuCtxPushCurrent(s->hwctx->cuda_ctx)); |
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if (ret < 0) |
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goto fail; |
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ret = cuda_bilateral_process(ctx, out, in); |
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CHECK_CU(cu->cuCtxPopCurrent(&bilateral)); |
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if (ret < 0) |
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goto fail; |
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av_frame_free(&in); |
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return ff_filter_frame(outlink, out); |
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fail: |
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av_frame_free(&in); |
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av_frame_free(&out); |
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return ret; |
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} |
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#define OFFSET(x) offsetof(CUDABilateralContext, x) |
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#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM) |
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static const AVOption options[] = { |
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{ "sigmaS", "set spatial sigma", OFFSET(sigmaS), AV_OPT_TYPE_FLOAT, {.dbl=0.1}, 0.1, 512, FLAGS }, |
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{ "sigmaR", "set range sigma", OFFSET(sigmaR), AV_OPT_TYPE_FLOAT, {.dbl=0.1}, 0.1, 512, FLAGS }, |
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{ "window_size", "set neighbours window_size", OFFSET(window_size), AV_OPT_TYPE_INT, {.i64=1}, 1, 255, FLAGS }, |
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{ NULL } |
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}; |
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static const AVClass cuda_bilateral_class = { |
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.class_name = "cudabilateral", |
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.item_name = av_default_item_name, |
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.option = options, |
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.version = LIBAVUTIL_VERSION_INT, |
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}; |
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static const AVFilterPad cuda_bilateral_inputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.filter_frame = cuda_bilateral_filter_frame, |
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}, |
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}; |
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static const AVFilterPad cuda_bilateral_outputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.config_props = cuda_bilateral_config_props, |
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}, |
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}; |
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const AVFilter ff_vf_bilateral_cuda = { |
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.name = "bilateral_cuda", |
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.description = NULL_IF_CONFIG_SMALL("GPU accelerated bilateral filter"), |
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.init = cudabilateral_init, |
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.uninit = cudabilateral_uninit, |
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.priv_size = sizeof(CUDABilateralContext), |
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.priv_class = &cuda_bilateral_class, |
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FILTER_INPUTS(cuda_bilateral_inputs), |
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FILTER_OUTPUTS(cuda_bilateral_outputs), |
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FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA), |
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
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}; |
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@ -0,0 +1,191 @@ |
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/* |
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* Copyright (c) 2022 Mohamed Khaled <Mohamed_Khaled_Kamal@outlook.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 |
||||
* 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 |
||||
* 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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#include "cuda/vector_helpers.cuh" |
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|
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extern "C" |
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{ |
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|
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/** |
||||
* @brief calculated squared norm difference between two 3-dimension vecors ||first_vector-second_vector||^2 |
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* used float4 for better performance |
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* |
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* @param first_yuv first color vector |
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* @param second_yuv second color vecotr |
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* @return answer of squared norm difference |
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*/ |
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__device__ static inline float norm_squared(float4 first_yuv, float4 second_yuv) |
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{ |
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float ans = 0; |
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ans += powf(first_yuv.x - second_yuv.x, 2); |
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ans += powf(first_yuv.y - second_yuv.y, 2); |
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ans += powf(first_yuv.z - second_yuv.z, 2); |
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return ans; |
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} |
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|
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/** |
||||
* @brief calculate w as stated in bilateral filter research paper |
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* |
||||
* @param first_yuv first color vector |
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* @param second_yuv second color vecotr |
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* @return the calculated w |
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*/ |
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__device__ static inline float calculate_w(int x, int y, int r, int c, |
||||
float4 pixel_value, float4 neighbor_value, |
||||
float sigma_space, float sigma_color) |
||||
{ |
||||
float first_term, second_term; |
||||
first_term = (powf(x - r, 2) + powf(y - c, 2)) / (2 * sigma_space * sigma_space); |
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second_term = norm_squared(pixel_value, neighbor_value) / (2 * sigma_color * sigma_color); |
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return __expf(-first_term - second_term); |
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} |
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|
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/** |
||||
* @brief apply the bilateral filter on the pixel sent |
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* |
||||
* @param src_tex_Y Y channel of source image |
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* @param src_tex U channel of source image if yuv, or UV channels if format is nv12 |
||||
* @param src_tex_V V channel of source image |
||||
* @param dst_Y Y channel of destination image |
||||
* @param dst_U U channel of destination image if format is in yuv |
||||
* @param dst_V V channel of destination image if format is in yuv |
||||
* @param dst_UV UV channels of destination image if format is in nv12 |
||||
* @param width width of Y channel |
||||
* @param height height of Y channel |
||||
* @param width_uv width of UV channels |
||||
* @param height_uv height of UV channels |
||||
* @param pitch pitch of Y channel |
||||
* @param pitch_uv pitch of UV channels |
||||
* @param x x coordinate of pixel to be filtered |
||||
* @param y y coordinate of pixel to be filtered |
||||
* @param sigma_space sigma space parameter |
||||
* @param sigma_color sigma color parameter |
||||
* @param window_size window size parameter |
||||
* @return void |
||||
*/ |
||||
__device__ static inline void apply_biltaeral( |
||||
cudaTextureObject_t src_tex_Y, cudaTextureObject_t src_tex, cudaTextureObject_t src_tex_V, |
||||
uchar *dst_Y, uchar *dst_U, uchar *dst_V, uchar2 *dst_UV, |
||||
int width, int height, int width_uv, int height_uv, int pitch, int pitch_uv, |
||||
int x, int y, |
||||
float sigma_space, float sigma_color, int window_size) |
||||
{ |
||||
int start_r = x - window_size / 2; |
||||
int start_c = y - window_size / 2; |
||||
float4 neighbor_pixel = make_float4(0.f, 0.f, 0.f, 0.f); |
||||
float Wp = 0.f; |
||||
float4 new_pixel_value = make_float4(0.f, 0.f, 0.f, 0.f); |
||||
float w = 0.f; |
||||
|
||||
int channel_ratio = width / width_uv; // ratio between Y channel and UV channels |
||||
float4 currrent_pixel; |
||||
|
||||
if (!src_tex_V) { // format is in nv12 |
||||
float2 temp_uv = tex2D<float2>(src_tex, x/channel_ratio, y/channel_ratio) * 255.f; |
||||
currrent_pixel.x = tex2D<float>(src_tex_Y, x, y) * 255.f; |
||||
currrent_pixel.y = temp_uv.x; |
||||
currrent_pixel.z = temp_uv.y; |
||||
currrent_pixel.w = 0.f; |
||||
} else { // format is fully planar |
||||
currrent_pixel = make_float4(tex2D<float>(src_tex_Y, x, y) * 255.f, |
||||
tex2D<float>(src_tex, x/channel_ratio, y/channel_ratio) * 255.f, |
||||
tex2D<float>(src_tex_V, x/channel_ratio, y/channel_ratio) * 255.f, |
||||
0.f); |
||||
} |
||||
|
||||
for (int i=0; i < window_size; i++) |
||||
{ |
||||
for (int j=0; j < window_size; j++) |
||||
{ |
||||
int r=start_r+i; |
||||
int c=start_c+j; |
||||
bool in_bounds=r>=0 && r<width && c>=0 && c<height; |
||||
if (in_bounds) |
||||
{ |
||||
if (!src_tex_V){ |
||||
float2 temp_uv = tex2D<float2>(src_tex, r/channel_ratio, c/channel_ratio); |
||||
neighbor_pixel=make_float4(tex2D<float>(src_tex_Y, r, c) * 255.f, |
||||
temp_uv.x * 255.f, |
||||
temp_uv.y * 255.f, 0.f); |
||||
} else { |
||||
neighbor_pixel=make_float4(tex2D<float>(src_tex_Y, r, c) * 255.f, |
||||
tex2D<float>(src_tex, r/channel_ratio, c/channel_ratio) * 255.f, |
||||
tex2D<float>(src_tex_V, r/channel_ratio, c/channel_ratio) * 255.f, 0.f); |
||||
} |
||||
w=calculate_w(x,y,r,c,currrent_pixel,neighbor_pixel,sigma_space,sigma_color); |
||||
Wp+=w; |
||||
new_pixel_value+= neighbor_pixel*w; |
||||
} |
||||
} |
||||
} |
||||
|
||||
new_pixel_value = new_pixel_value / Wp; |
||||
dst_Y[y*pitch + x] = new_pixel_value.x; |
||||
|
||||
if (!src_tex_V) { |
||||
dst_UV[(y/channel_ratio) * pitch_uv + (x/channel_ratio)] = make_uchar2(new_pixel_value.y, new_pixel_value.z); |
||||
} else { |
||||
dst_U[(y/channel_ratio) * pitch_uv + (x/channel_ratio)] = new_pixel_value.y; |
||||
dst_V[(y/channel_ratio) * pitch_uv + (x/channel_ratio)] = new_pixel_value.z; |
||||
} |
||||
|
||||
return; |
||||
} |
||||
|
||||
|
||||
__global__ void Process_uchar(cudaTextureObject_t src_tex_Y, cudaTextureObject_t src_tex_U, cudaTextureObject_t src_tex_V, |
||||
uchar *dst_Y, uchar *dst_U, uchar *dst_V, |
||||
int width, int height, int pitch, |
||||
int width_uv, int height_uv, int pitch_uv, |
||||
int window_size, float sigmaS, float sigmaR) |
||||
{ |
||||
|
||||
int x = blockIdx.x * blockDim.x + threadIdx.x; |
||||
int y = blockIdx.y * blockDim.y + threadIdx.y; |
||||
if (y >= height || x >= width) |
||||
return; |
||||
|
||||
apply_biltaeral(src_tex_Y, src_tex_U, src_tex_V, |
||||
dst_Y, dst_U, dst_V, (uchar2*)nullptr, |
||||
width, height, width_uv, height_uv, pitch, pitch_uv, |
||||
x, y, |
||||
sigmaS, sigmaR, window_size); |
||||
} |
||||
|
||||
|
||||
__global__ void Process_uchar2(cudaTextureObject_t src_tex_Y, cudaTextureObject_t src_tex_UV, cudaTextureObject_t unused1, |
||||
uchar *dst_Y, uchar2 *dst_UV, uchar *unused2, |
||||
int width, int height, int pitch, |
||||
int width_uv, int height_uv, int pitch_uv, |
||||
int window_size, float sigmaS, float sigmaR) |
||||
{ |
||||
int x = blockIdx.x * blockDim.x + threadIdx.x; |
||||
int y = blockIdx.y * blockDim.y + threadIdx.y; |
||||
if (y >= height || x >= width) |
||||
return; |
||||
|
||||
apply_biltaeral(src_tex_Y, src_tex_UV, (cudaTextureObject_t)nullptr, |
||||
dst_Y, (uchar*)nullptr, (uchar*)nullptr, dst_UV, |
||||
width, height, width_uv, height_uv, pitch, pitch_uv, |
||||
x, y, |
||||
sigmaS, sigmaR, window_size); |
||||
} |
||||
|
||||
} |
||||
Loading…
Reference in new issue