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762 lines
25 KiB
762 lines
25 KiB
/* |
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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 "libavutil/common.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/tx.h" |
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#include "filters.h" |
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#include "video.h" |
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#include "window_func.h" |
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#define MAX_BLOCK 256 |
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#define MAX_THREADS 32 |
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enum BufferTypes { |
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CURRENT, |
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PREV, |
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NEXT, |
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BSIZE |
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}; |
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typedef struct PlaneContext { |
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int planewidth, planeheight; |
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int nox, noy; |
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int b; |
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int o; |
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float n; |
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float *buffer[MAX_THREADS][BSIZE]; |
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AVComplexFloat *hdata[MAX_THREADS], *vdata[MAX_THREADS]; |
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AVComplexFloat *hdata_out[MAX_THREADS], *vdata_out[MAX_THREADS]; |
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int data_linesize; |
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int buffer_linesize; |
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} PlaneContext; |
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typedef struct FFTdnoizContext { |
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const AVClass *class; |
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float sigma; |
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float amount; |
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int block_size; |
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float overlap; |
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int method; |
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int window; |
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int nb_prev; |
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int nb_next; |
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int planesf; |
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AVFrame *prev, *cur, *next; |
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int depth; |
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int nb_planes; |
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int nb_threads; |
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PlaneContext planes[4]; |
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float win[MAX_BLOCK][MAX_BLOCK]; |
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AVTXContext *fft[MAX_THREADS], *ifft[MAX_THREADS]; |
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AVTXContext *fft_r[MAX_THREADS], *ifft_r[MAX_THREADS]; |
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av_tx_fn tx_fn, itx_fn; |
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av_tx_fn tx_r_fn, itx_r_fn; |
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void (*import_row)(AVComplexFloat *dst, uint8_t *src, int rw, float scale, float *win, int off); |
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void (*export_row)(AVComplexFloat *src, uint8_t *dst, int rw, int depth, float *win); |
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} FFTdnoizContext; |
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#define OFFSET(x) offsetof(FFTdnoizContext, x) |
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
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#define TFLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM |
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static const AVOption fftdnoiz_options[] = { |
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{ "sigma", "set denoise strength", |
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OFFSET(sigma), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 100, .flags = TFLAGS }, |
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{ "amount", "set amount of denoising", |
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OFFSET(amount), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0.01, 1, .flags = TFLAGS }, |
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{ "block", "set block size", |
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OFFSET(block_size), AV_OPT_TYPE_INT, {.i64=32}, 8, MAX_BLOCK, .flags = FLAGS }, |
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{ "overlap", "set block overlap", |
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OFFSET(overlap), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0.2, 0.8, .flags = FLAGS }, |
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{ "method", "set method of denoising", |
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OFFSET(method), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = TFLAGS, .unit = "method" }, |
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{ "wiener", "wiener method", |
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0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = TFLAGS, .unit = "method" }, |
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{ "hard", "hard thresholding", |
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0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = TFLAGS, .unit = "method" }, |
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{ "prev", "set number of previous frames for temporal denoising", |
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OFFSET(nb_prev), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = FLAGS }, |
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{ "next", "set number of next frames for temporal denoising", |
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OFFSET(nb_next), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = FLAGS }, |
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{ "planes", "set planes to filter", |
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OFFSET(planesf), AV_OPT_TYPE_INT, {.i64=7}, 0, 15, .flags = TFLAGS }, |
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WIN_FUNC_OPTION("window", OFFSET(window), FLAGS, WFUNC_HANNING), |
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{ NULL } |
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}; |
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AVFILTER_DEFINE_CLASS(fftdnoiz); |
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static const enum AVPixelFormat pix_fmts[] = { |
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AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, |
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AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, |
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AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, |
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AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, |
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, |
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AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, |
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AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, |
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AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P, |
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AV_PIX_FMT_YUVJ411P, |
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AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, |
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AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, |
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AV_PIX_FMT_YUV440P10, |
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AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12, |
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AV_PIX_FMT_YUV440P12, |
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AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14, |
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AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, |
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AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, |
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AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16, |
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AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16, |
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AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16, |
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AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, |
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AV_PIX_FMT_NONE |
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}; |
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typedef struct ThreadData { |
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float *src, *dst; |
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} ThreadData; |
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static void import_row8(AVComplexFloat *dst, uint8_t *src, int rw, |
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float scale, float *win, int off) |
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{ |
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for (int j = 0; j < rw; j++) { |
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const int i = abs(j + off); |
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dst[j].re = src[i] * scale * win[j]; |
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dst[j].im = 0.f; |
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} |
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} |
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static void export_row8(AVComplexFloat *src, uint8_t *dst, int rw, int depth, float *win) |
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{ |
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for (int j = 0; j < rw; j++) |
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dst[j] = av_clip_uint8(lrintf(src[j].re / win[j])); |
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} |
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static void import_row16(AVComplexFloat *dst, uint8_t *srcp, int rw, |
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float scale, float *win, int off) |
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{ |
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uint16_t *src = (uint16_t *)srcp; |
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for (int j = 0; j < rw; j++) { |
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const int i = abs(j + off); |
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dst[j].re = src[i] * scale * win[j]; |
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dst[j].im = 0; |
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} |
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} |
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static void export_row16(AVComplexFloat *src, uint8_t *dstp, int rw, int depth, float *win) |
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{ |
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uint16_t *dst = (uint16_t *)dstp; |
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for (int j = 0; j < rw; j++) |
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dst[j] = av_clip_uintp2_c(lrintf(src[j].re / win[j]), depth); |
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} |
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static int config_input(AVFilterLink *inlink) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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const AVPixFmtDescriptor *desc; |
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FFTdnoizContext *s = ctx->priv; |
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float lut[MAX_BLOCK + 1]; |
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float overlap; |
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int i; |
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desc = av_pix_fmt_desc_get(inlink->format); |
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s->depth = desc->comp[0].depth; |
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if (s->depth <= 8) { |
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s->import_row = import_row8; |
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s->export_row = export_row8; |
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} else { |
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s->import_row = import_row16; |
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s->export_row = export_row16; |
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} |
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s->planes[1].planewidth = s->planes[2].planewidth = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); |
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s->planes[0].planewidth = s->planes[3].planewidth = inlink->w; |
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s->planes[1].planeheight = s->planes[2].planeheight = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); |
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s->planes[0].planeheight = s->planes[3].planeheight = inlink->h; |
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s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
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s->nb_threads = FFMIN(ff_filter_get_nb_threads(ctx), MAX_THREADS); |
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for (int i = 0; i < s->nb_threads; i++) { |
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float scale = 1.f, iscale = 1.f; |
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int ret; |
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if ((ret = av_tx_init(&s->fft[i], &s->tx_fn, AV_TX_FLOAT_FFT, |
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0, s->block_size, &scale, 0)) < 0 || |
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(ret = av_tx_init(&s->ifft[i], &s->itx_fn, AV_TX_FLOAT_FFT, |
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1, s->block_size, &iscale, 0)) < 0 || |
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(ret = av_tx_init(&s->fft_r[i], &s->tx_r_fn, AV_TX_FLOAT_FFT, |
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0, 1 + s->nb_prev + s->nb_next, &scale, 0)) < 0 || |
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(ret = av_tx_init(&s->ifft_r[i], &s->itx_r_fn, AV_TX_FLOAT_FFT, |
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1, 1 + s->nb_prev + s->nb_next, &iscale, 0)) < 0) |
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return ret; |
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} |
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for (i = 0; i < s->nb_planes; i++) { |
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PlaneContext *p = &s->planes[i]; |
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int size; |
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p->b = s->block_size; |
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p->n = 1.f / (p->b * p->b); |
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p->o = lrintf(p->b * s->overlap); |
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size = p->b - p->o; |
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p->nox = (p->planewidth + (size - 1)) / size; |
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p->noy = (p->planeheight + (size - 1)) / size; |
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av_log(ctx, AV_LOG_DEBUG, "nox:%d noy:%d size:%d\n", p->nox, p->noy, size); |
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p->buffer_linesize = p->b * sizeof(AVComplexFloat); |
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p->data_linesize = 2 * p->b * sizeof(float); |
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for (int j = 0; j < s->nb_threads; j++) { |
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p->hdata[j] = av_calloc(p->b, p->data_linesize); |
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p->hdata_out[j] = av_calloc(p->b, p->data_linesize); |
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p->vdata[j] = av_calloc(p->b, p->data_linesize); |
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p->vdata_out[j] = av_calloc(p->b, p->data_linesize); |
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p->buffer[j][CURRENT] = av_calloc(p->b, p->buffer_linesize); |
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if (!p->buffer[j][CURRENT]) |
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return AVERROR(ENOMEM); |
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if (s->nb_prev > 0) { |
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p->buffer[j][PREV] = av_calloc(p->b, p->buffer_linesize); |
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if (!p->buffer[j][PREV]) |
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return AVERROR(ENOMEM); |
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} |
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if (s->nb_next > 0) { |
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p->buffer[j][NEXT] = av_calloc(p->b, p->buffer_linesize); |
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if (!p->buffer[j][NEXT]) |
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return AVERROR(ENOMEM); |
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} |
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if (!p->hdata[j] || !p->vdata[j] || |
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!p->hdata_out[j] || !p->vdata_out[j]) |
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return AVERROR(ENOMEM); |
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} |
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} |
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generate_window_func(lut, s->block_size + 1, s->window, &overlap); |
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for (int y = 0; y < s->block_size; y++) { |
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for (int x = 0; x < s->block_size; x++) |
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s->win[y][x] = lut[y] * lut[x]; |
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} |
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return 0; |
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} |
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static void import_block(FFTdnoizContext *s, |
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uint8_t *srcp, int src_linesize, |
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float *buffer, int buffer_linesize, int plane, |
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int jobnr, int y, int x) |
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{ |
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PlaneContext *p = &s->planes[plane]; |
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const int width = p->planewidth; |
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const int height = p->planeheight; |
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const int block = p->b; |
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const int overlap = p->o; |
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const int hoverlap = overlap / 2; |
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const int size = block - overlap; |
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const int bpp = (s->depth + 7) / 8; |
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const int data_linesize = p->data_linesize / sizeof(AVComplexFloat); |
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const float scale = 1.f / ((1.f + s->nb_prev + s->nb_next) * s->block_size * s->block_size); |
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AVComplexFloat *hdata = p->hdata[jobnr]; |
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AVComplexFloat *hdata_out = p->hdata_out[jobnr]; |
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AVComplexFloat *vdata_out = p->vdata_out[jobnr]; |
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const int woff = -hoverlap; |
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const int hoff = -hoverlap; |
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const int rh = FFMIN(block, height - y * size + hoverlap); |
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const int rw = FFMIN(block, width - x * size + hoverlap); |
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AVComplexFloat *ssrc, *ddst, *dst = hdata, *dst_out = hdata_out; |
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float *bdst = buffer; |
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buffer_linesize /= sizeof(float); |
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for (int i = 0; i < rh; i++) { |
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uint8_t *src = srcp + src_linesize * abs(y * size + i + hoff) + x * size * bpp; |
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s->import_row(dst, src, rw, scale, s->win[i], woff); |
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for (int j = rw; j < block; j++) { |
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dst[j].re = dst[rw - 1].re; |
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dst[j].im = 0.f; |
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} |
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s->tx_fn(s->fft[jobnr], dst_out, dst, sizeof(AVComplexFloat)); |
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ddst = dst_out; |
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dst += data_linesize; |
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dst_out += data_linesize; |
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} |
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dst = dst_out; |
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for (int i = rh; i < block; i++) { |
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for (int j = 0; j < block; j++) { |
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dst[j].re = ddst[j].re; |
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dst[j].im = ddst[j].im; |
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} |
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dst += data_linesize; |
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} |
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ssrc = hdata_out; |
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dst = vdata_out; |
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for (int i = 0; i < block; i++) { |
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for (int j = 0; j < block; j++) |
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dst[j] = ssrc[j * data_linesize + i]; |
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s->tx_fn(s->fft[jobnr], bdst, dst, sizeof(AVComplexFloat)); |
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dst += data_linesize; |
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bdst += buffer_linesize; |
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} |
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} |
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static void export_block(FFTdnoizContext *s, |
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uint8_t *dstp, int dst_linesize, |
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float *buffer, int buffer_linesize, int plane, |
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int jobnr, int y, int x) |
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{ |
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PlaneContext *p = &s->planes[plane]; |
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const int depth = s->depth; |
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const int bpp = (depth + 7) / 8; |
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const int width = p->planewidth; |
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const int height = p->planeheight; |
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const int block = p->b; |
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const int overlap = p->o; |
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const int hoverlap = overlap / 2; |
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const int size = block - overlap; |
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const int data_linesize = p->data_linesize / sizeof(AVComplexFloat); |
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AVComplexFloat *hdata = p->hdata[jobnr]; |
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AVComplexFloat *hdata_out = p->hdata_out[jobnr]; |
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AVComplexFloat *vdata_out = p->vdata_out[jobnr]; |
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const int rw = FFMIN(size, width - x * size); |
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const int rh = FFMIN(size, height - y * size); |
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AVComplexFloat *hdst, *vdst = vdata_out, *hdst_out = hdata_out; |
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float *bsrc = buffer; |
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hdst = hdata; |
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buffer_linesize /= sizeof(float); |
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for (int i = 0; i < block; i++) { |
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s->itx_fn(s->ifft[jobnr], vdst, bsrc, sizeof(AVComplexFloat)); |
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for (int j = 0; j < block; j++) |
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hdst[j * data_linesize + i] = vdst[j]; |
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vdst += data_linesize; |
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bsrc += buffer_linesize; |
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} |
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hdst = hdata + hoverlap * data_linesize; |
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for (int i = 0; i < rh && (y * size + i) < height; i++) { |
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uint8_t *dst = dstp + dst_linesize * (y * size + i) + x * size * bpp; |
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s->itx_fn(s->ifft[jobnr], hdst_out, hdst, sizeof(AVComplexFloat)); |
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s->export_row(hdst_out + hoverlap, dst, rw, depth, s->win[i + hoverlap] + hoverlap); |
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hdst += data_linesize; |
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hdst_out += data_linesize; |
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} |
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} |
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static void filter_block3d2(FFTdnoizContext *s, int plane, float *pbuffer, float *nbuffer, |
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int jobnr) |
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{ |
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PlaneContext *p = &s->planes[plane]; |
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const int block = p->b; |
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const int buffer_linesize = p->buffer_linesize / sizeof(float); |
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const float depthx = (1 << (s->depth - 8)) * (1 << (s->depth - 8)); |
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const float sigma = s->sigma * depthx / (3.f * s->block_size * s->block_size); |
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const float limit = 1.f - s->amount; |
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float *cbuffer = p->buffer[jobnr][CURRENT]; |
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const int method = s->method; |
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float *cbuff = cbuffer; |
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float *pbuff = pbuffer; |
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float *nbuff = nbuffer; |
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for (int i = 0; i < block; i++) { |
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for (int j = 0; j < block; j++) { |
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AVComplexFloat buffer[BSIZE]; |
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AVComplexFloat outbuffer[BSIZE]; |
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buffer[0].re = pbuff[2 * j ]; |
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buffer[0].im = pbuff[2 * j + 1]; |
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buffer[1].re = cbuff[2 * j ]; |
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buffer[1].im = cbuff[2 * j + 1]; |
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buffer[2].re = nbuff[2 * j ]; |
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buffer[2].im = nbuff[2 * j + 1]; |
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s->tx_r_fn(s->fft_r[jobnr], outbuffer, buffer, sizeof(AVComplexFloat)); |
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for (int z = 0; z < 3; z++) { |
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const float re = outbuffer[z].re; |
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const float im = outbuffer[z].im; |
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const float power = re * re + im * im; |
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float factor; |
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switch (method) { |
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case 0: |
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factor = fmaxf(limit, (power - sigma) / (power + 1e-15f)); |
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break; |
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case 1: |
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factor = power < sigma ? limit : 1.f; |
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break; |
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} |
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outbuffer[z].re *= factor; |
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outbuffer[z].im *= factor; |
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} |
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s->itx_r_fn(s->ifft_r[jobnr], buffer, outbuffer, sizeof(AVComplexFloat)); |
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cbuff[2 * j + 0] = buffer[1].re; |
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cbuff[2 * j + 1] = buffer[1].im; |
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} |
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cbuff += buffer_linesize; |
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pbuff += buffer_linesize; |
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nbuff += buffer_linesize; |
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} |
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} |
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static void filter_block3d1(FFTdnoizContext *s, int plane, float *pbuffer, |
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int jobnr) |
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{ |
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PlaneContext *p = &s->planes[plane]; |
|
const int block = p->b; |
|
const int buffer_linesize = p->buffer_linesize / sizeof(float); |
|
const float depthx = (1 << (s->depth - 8)) * (1 << (s->depth - 8)); |
|
const float sigma = s->sigma * depthx / (2.f * s->block_size * s->block_size); |
|
const float limit = 1.f - s->amount; |
|
float *cbuffer = p->buffer[jobnr][CURRENT]; |
|
const int method = s->method; |
|
float *cbuff = cbuffer; |
|
float *pbuff = pbuffer; |
|
|
|
for (int i = 0; i < block; i++) { |
|
for (int j = 0; j < block; j++) { |
|
AVComplexFloat buffer[BSIZE]; |
|
AVComplexFloat outbuffer[BSIZE]; |
|
|
|
buffer[0].re = pbuff[2 * j ]; |
|
buffer[0].im = pbuff[2 * j + 1]; |
|
|
|
buffer[1].re = cbuff[2 * j ]; |
|
buffer[1].im = cbuff[2 * j + 1]; |
|
|
|
s->tx_r_fn(s->fft_r[jobnr], outbuffer, buffer, sizeof(AVComplexFloat)); |
|
|
|
for (int z = 0; z < 2; z++) { |
|
const float re = outbuffer[z].re; |
|
const float im = outbuffer[z].im; |
|
const float power = re * re + im * im; |
|
float factor; |
|
|
|
switch (method) { |
|
case 0: |
|
factor = fmaxf(limit, (power - sigma) / (power + 1e-15f)); |
|
break; |
|
case 1: |
|
factor = power < sigma ? limit : 1.f; |
|
break; |
|
} |
|
|
|
outbuffer[z].re *= factor; |
|
outbuffer[z].im *= factor; |
|
} |
|
|
|
s->itx_r_fn(s->ifft_r[jobnr], buffer, outbuffer, sizeof(AVComplexFloat)); |
|
|
|
cbuff[2 * j + 0] = buffer[1].re; |
|
cbuff[2 * j + 1] = buffer[1].im; |
|
} |
|
|
|
cbuff += buffer_linesize; |
|
pbuff += buffer_linesize; |
|
} |
|
} |
|
|
|
static void filter_block2d(FFTdnoizContext *s, int plane, |
|
int jobnr) |
|
{ |
|
PlaneContext *p = &s->planes[plane]; |
|
const int block = p->b; |
|
const int method = s->method; |
|
const int buffer_linesize = p->buffer_linesize / sizeof(float); |
|
const float depthx = (1 << (s->depth - 8)) * (1 << (s->depth - 8)); |
|
const float sigma = s->sigma * depthx / (s->block_size * s->block_size); |
|
const float limit = 1.f - s->amount; |
|
float *buff = p->buffer[jobnr][CURRENT]; |
|
|
|
for (int i = 0; i < block; i++) { |
|
for (int j = 0; j < block; j++) { |
|
float factor, power, re, im; |
|
|
|
re = buff[j * 2 ]; |
|
im = buff[j * 2 + 1]; |
|
power = re * re + im * im; |
|
switch (method) { |
|
case 0: |
|
factor = fmaxf(limit, (power - sigma) / (power + 1e-15f)); |
|
break; |
|
case 1: |
|
factor = power < sigma ? limit : 1.f; |
|
break; |
|
} |
|
|
|
buff[j * 2 ] *= factor; |
|
buff[j * 2 + 1] *= factor; |
|
} |
|
|
|
buff += buffer_linesize; |
|
} |
|
} |
|
|
|
static int denoise(AVFilterContext *ctx, void *arg, |
|
int jobnr, int nb_jobs) |
|
{ |
|
FFTdnoizContext *s = ctx->priv; |
|
AVFrame *out = arg; |
|
|
|
for (int plane = 0; plane < s->nb_planes; plane++) { |
|
PlaneContext *p = &s->planes[plane]; |
|
const int nox = p->nox; |
|
const int noy = p->noy; |
|
const int slice_start = (noy * jobnr) / nb_jobs; |
|
const int slice_end = (noy * (jobnr+1)) / nb_jobs; |
|
|
|
if (!((1 << plane) & s->planesf) || ctx->is_disabled) |
|
continue; |
|
|
|
for (int y = slice_start; y < slice_end; y++) { |
|
for (int x = 0; x < nox; x++) { |
|
if (s->next) { |
|
import_block(s, s->next->data[plane], s->next->linesize[plane], |
|
p->buffer[jobnr][NEXT], p->buffer_linesize, plane, |
|
jobnr, y, x); |
|
} |
|
|
|
if (s->prev) { |
|
import_block(s, s->prev->data[plane], s->prev->linesize[plane], |
|
p->buffer[jobnr][PREV], p->buffer_linesize, plane, |
|
jobnr, y, x); |
|
} |
|
|
|
import_block(s, s->cur->data[plane], s->cur->linesize[plane], |
|
p->buffer[jobnr][CURRENT], p->buffer_linesize, plane, |
|
jobnr, y, x); |
|
|
|
if (s->next && s->prev) { |
|
filter_block3d2(s, plane, p->buffer[jobnr][PREV], p->buffer[jobnr][NEXT], jobnr); |
|
} else if (s->next) { |
|
filter_block3d1(s, plane, p->buffer[jobnr][NEXT], jobnr); |
|
} else if (s->prev) { |
|
filter_block3d1(s, plane, p->buffer[jobnr][PREV], jobnr); |
|
} else { |
|
filter_block2d(s, plane, jobnr); |
|
} |
|
|
|
export_block(s, out->data[plane], out->linesize[plane], |
|
p->buffer[jobnr][CURRENT], p->buffer_linesize, plane, |
|
jobnr, y, x); |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
|
{ |
|
AVFilterContext *ctx = inlink->dst; |
|
FFTdnoizContext *s = ctx->priv; |
|
AVFilterLink *outlink = ctx->outputs[0]; |
|
int direct, plane; |
|
AVFrame *out; |
|
|
|
if (s->nb_next > 0 && s->nb_prev > 0) { |
|
av_frame_free(&s->prev); |
|
s->prev = s->cur; |
|
s->cur = s->next; |
|
s->next = in; |
|
|
|
if (!s->prev && s->cur) { |
|
s->prev = av_frame_clone(s->cur); |
|
if (!s->prev) |
|
return AVERROR(ENOMEM); |
|
} |
|
if (!s->cur) |
|
return 0; |
|
} else if (s->nb_next > 0) { |
|
av_frame_free(&s->cur); |
|
s->cur = s->next; |
|
s->next = in; |
|
|
|
if (!s->cur) |
|
return 0; |
|
} else if (s->nb_prev > 0) { |
|
av_frame_free(&s->prev); |
|
s->prev = s->cur; |
|
s->cur = in; |
|
|
|
if (!s->prev) |
|
s->prev = av_frame_clone(s->cur); |
|
if (!s->prev) |
|
return AVERROR(ENOMEM); |
|
} else { |
|
s->cur = in; |
|
} |
|
|
|
if (av_frame_is_writable(in) && s->nb_next == 0 && s->nb_prev == 0) { |
|
direct = 1; |
|
out = in; |
|
} else { |
|
direct = 0; |
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
|
if (!out) |
|
return AVERROR(ENOMEM); |
|
av_frame_copy_props(out, s->cur); |
|
} |
|
|
|
ff_filter_execute(ctx, denoise, out, NULL, |
|
FFMIN(s->planes[0].noy, s->nb_threads)); |
|
|
|
for (plane = 0; plane < s->nb_planes; plane++) { |
|
PlaneContext *p = &s->planes[plane]; |
|
|
|
if (!((1 << plane) & s->planesf) || ctx->is_disabled) { |
|
if (!direct) |
|
av_image_copy_plane(out->data[plane], out->linesize[plane], |
|
s->cur->data[plane], s->cur->linesize[plane], |
|
p->planewidth * (1 + (s->depth > 8)), p->planeheight); |
|
continue; |
|
} |
|
} |
|
|
|
if (s->nb_next == 0 && s->nb_prev == 0) { |
|
if (direct) { |
|
s->cur = NULL; |
|
} else { |
|
av_frame_free(&s->cur); |
|
} |
|
} |
|
return ff_filter_frame(outlink, out); |
|
} |
|
|
|
static int request_frame(AVFilterLink *outlink) |
|
{ |
|
AVFilterContext *ctx = outlink->src; |
|
FFTdnoizContext *s = ctx->priv; |
|
int ret = 0; |
|
|
|
ret = ff_request_frame(ctx->inputs[0]); |
|
|
|
if (ret == AVERROR_EOF && (s->nb_next > 0)) { |
|
AVFrame *buf; |
|
|
|
if (s->next && s->nb_next > 0) |
|
buf = av_frame_clone(s->next); |
|
else if (s->cur) |
|
buf = av_frame_clone(s->cur); |
|
else |
|
buf = av_frame_clone(s->prev); |
|
if (!buf) |
|
return AVERROR(ENOMEM); |
|
|
|
ret = filter_frame(ctx->inputs[0], buf); |
|
if (ret < 0) |
|
return ret; |
|
ret = AVERROR_EOF; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static av_cold void uninit(AVFilterContext *ctx) |
|
{ |
|
FFTdnoizContext *s = ctx->priv; |
|
int i; |
|
|
|
for (i = 0; i < 4; i++) { |
|
PlaneContext *p = &s->planes[i]; |
|
|
|
for (int j = 0; j < s->nb_threads; j++) { |
|
av_freep(&p->hdata[j]); |
|
av_freep(&p->vdata[j]); |
|
av_freep(&p->hdata_out[j]); |
|
av_freep(&p->vdata_out[j]); |
|
av_freep(&p->buffer[j][PREV]); |
|
av_freep(&p->buffer[j][CURRENT]); |
|
av_freep(&p->buffer[j][NEXT]); |
|
} |
|
} |
|
|
|
for (i = 0; i < s->nb_threads; i++) { |
|
av_tx_uninit(&s->fft[i]); |
|
av_tx_uninit(&s->ifft[i]); |
|
av_tx_uninit(&s->fft_r[i]); |
|
av_tx_uninit(&s->ifft_r[i]); |
|
} |
|
|
|
av_frame_free(&s->prev); |
|
av_frame_free(&s->cur); |
|
av_frame_free(&s->next); |
|
} |
|
|
|
static const AVFilterPad fftdnoiz_inputs[] = { |
|
{ |
|
.name = "default", |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.filter_frame = filter_frame, |
|
.config_props = config_input, |
|
}, |
|
}; |
|
|
|
static const AVFilterPad fftdnoiz_outputs[] = { |
|
{ |
|
.name = "default", |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.request_frame = request_frame, |
|
}, |
|
}; |
|
|
|
const AVFilter ff_vf_fftdnoiz = { |
|
.name = "fftdnoiz", |
|
.description = NULL_IF_CONFIG_SMALL("Denoise frames using 3D FFT."), |
|
.priv_size = sizeof(FFTdnoizContext), |
|
.uninit = uninit, |
|
FILTER_INPUTS(fftdnoiz_inputs), |
|
FILTER_OUTPUTS(fftdnoiz_outputs), |
|
FILTER_PIXFMTS_ARRAY(pix_fmts), |
|
.priv_class = &fftdnoiz_class, |
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | |
|
AVFILTER_FLAG_SLICE_THREADS, |
|
.process_command = ff_filter_process_command, |
|
};
|
|
|