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/* |
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* Copyright (c) 2015 Niklas Haas |
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* Copyright (c) 2015 Paul B Mahol |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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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 "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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typedef struct DebandContext { |
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const AVClass *class; |
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int coupling; |
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float threshold[4]; |
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int range; |
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int blur; |
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float direction; |
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int nb_components; |
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int planewidth[4]; |
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int planeheight[4]; |
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int shift[2]; |
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int thr[4]; |
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int *x_pos; |
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int *y_pos; |
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int (*deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); |
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} DebandContext; |
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#define OFFSET(x) offsetof(DebandContext, x) |
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM |
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static const AVOption deband_options[] = { |
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{ "1thr", "set 1st plane threshold", OFFSET(threshold[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS }, |
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{ "2thr", "set 2nd plane threshold", OFFSET(threshold[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS }, |
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{ "3thr", "set 3rd plane threshold", OFFSET(threshold[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS }, |
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{ "4thr", "set 4th plane threshold", OFFSET(threshold[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS }, |
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{ "range", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS }, |
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{ "r", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS }, |
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{ "direction", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS }, |
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{ "d", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS }, |
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{ "blur", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS }, |
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{ "b", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS }, |
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{ "coupling", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS }, |
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{ "c", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS }, |
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{ NULL } |
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}; |
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AVFILTER_DEFINE_CLASS(deband); |
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static int query_formats(AVFilterContext *ctx) |
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{ |
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DebandContext *s = ctx->priv; |
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static const enum AVPixelFormat pix_fmts[] = { |
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AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, |
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AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, |
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, |
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AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P, |
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AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, |
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AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ440P, |
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AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, |
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AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, |
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AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, |
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AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, |
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AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, |
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AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, |
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AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, |
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AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, |
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AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, |
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AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, |
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AV_PIX_FMT_NONE |
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}; |
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static const enum AVPixelFormat cpix_fmts[] = { |
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, |
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AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P9, |
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AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, |
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AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, |
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AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16, |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, |
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AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, |
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AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, |
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AV_PIX_FMT_NONE |
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}; |
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return ff_set_common_formats_from_list(ctx, s->coupling ? cpix_fmts : pix_fmts); |
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} |
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static float frand(int x, int y) |
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{ |
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const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f; |
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return r - floorf(r); |
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} |
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static int inline get_avg(int ref0, int ref1, int ref2, int ref3) |
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{ |
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return (ref0 + ref1 + ref2 + ref3) / 4; |
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} |
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typedef struct ThreadData { |
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AVFrame *in, *out; |
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} ThreadData; |
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static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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DebandContext *s = ctx->priv; |
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ThreadData *td = arg; |
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AVFrame *in = td->in; |
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AVFrame *out = td->out; |
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int x, y, p; |
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for (p = 0; p < s->nb_components; p++) { |
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const uint8_t *src_ptr = (const uint8_t *)in->data[p]; |
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uint8_t *dst_ptr = (uint8_t *)out->data[p]; |
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const int dst_linesize = out->linesize[p]; |
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const int src_linesize = in->linesize[p]; |
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const int thr = s->thr[p]; |
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const int start = (s->planeheight[p] * jobnr ) / nb_jobs; |
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const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs; |
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const int w = s->planewidth[p] - 1; |
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const int h = s->planeheight[p] - 1; |
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for (y = start; y < end; y++) { |
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const int pos = y * s->planewidth[0]; |
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for (x = 0; x < s->planewidth[p]; x++) { |
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const int x_pos = s->x_pos[pos + x]; |
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const int y_pos = s->y_pos[pos + x]; |
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const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
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const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
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const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
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const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
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const int src0 = src_ptr[y * src_linesize + x]; |
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if (s->blur) { |
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const int avg = get_avg(ref0, ref1, ref2, ref3); |
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const int diff = FFABS(src0 - avg); |
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dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0; |
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} else { |
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dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) && |
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(FFABS(src0 - ref1) < thr) && |
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(FFABS(src0 - ref2) < thr) && |
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(FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0; |
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} |
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} |
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} |
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} |
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return 0; |
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} |
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static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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DebandContext *s = ctx->priv; |
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ThreadData *td = arg; |
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AVFrame *in = td->in; |
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AVFrame *out = td->out; |
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const int start = (s->planeheight[0] * jobnr ) / nb_jobs; |
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const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs; |
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int x, y, p; |
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for (y = start; y < end; y++) { |
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const int pos = y * s->planewidth[0]; |
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for (x = 0; x < s->planewidth[0]; x++) { |
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const int x_pos = s->x_pos[pos + x]; |
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const int y_pos = s->y_pos[pos + x]; |
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int avg[4], cmp[4] = { 0 }, src[4]; |
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for (p = 0; p < s->nb_components; p++) { |
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const uint8_t *src_ptr = (const uint8_t *)in->data[p]; |
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const int src_linesize = in->linesize[p]; |
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const int thr = s->thr[p]; |
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const int w = s->planewidth[p] - 1; |
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const int h = s->planeheight[p] - 1; |
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const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
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const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
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const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
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const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
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const int src0 = src_ptr[y * src_linesize + x]; |
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src[p] = src0; |
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avg[p] = get_avg(ref0, ref1, ref2, ref3); |
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if (s->blur) { |
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cmp[p] = FFABS(src0 - avg[p]) < thr; |
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} else { |
217 |
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cmp[p] = (FFABS(src0 - ref0) < thr) && |
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(FFABS(src0 - ref1) < thr) && |
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(FFABS(src0 - ref2) < thr) && |
220 |
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(FFABS(src0 - ref3) < thr); |
221 |
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} |
222 |
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} |
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224 |
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for (p = 0; p < s->nb_components; p++) |
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if (!cmp[p]) |
226 |
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break; |
227 |
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if (p == s->nb_components) { |
228 |
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for (p = 0; p < s->nb_components; p++) { |
229 |
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const int dst_linesize = out->linesize[p]; |
230 |
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231 |
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out->data[p][y * dst_linesize + x] = avg[p]; |
232 |
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} |
233 |
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} else { |
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for (p = 0; p < s->nb_components; p++) { |
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const int dst_linesize = out->linesize[p]; |
236 |
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237 |
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out->data[p][y * dst_linesize + x] = src[p]; |
238 |
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} |
239 |
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} |
240 |
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} |
241 |
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} |
242 |
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243 |
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return 0; |
244 |
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} |
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246 |
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static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
248 |
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DebandContext *s = ctx->priv; |
249 |
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ThreadData *td = arg; |
250 |
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AVFrame *in = td->in; |
251 |
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AVFrame *out = td->out; |
252 |
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const int start = (s->planeheight[0] * jobnr ) / nb_jobs; |
253 |
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const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs; |
254 |
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int x, y, p, z; |
255 |
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256 |
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✗ |
for (y = start; y < end; y++) { |
257 |
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const int pos = y * s->planewidth[0]; |
258 |
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259 |
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for (x = 0; x < s->planewidth[0]; x++) { |
260 |
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const int x_pos = s->x_pos[pos + x]; |
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const int y_pos = s->y_pos[pos + x]; |
262 |
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int avg[4], cmp[4] = { 0 }, src[4]; |
263 |
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264 |
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for (p = 0; p < s->nb_components; p++) { |
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const uint16_t *src_ptr = (const uint16_t *)in->data[p]; |
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const int src_linesize = in->linesize[p] / 2; |
267 |
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const int thr = s->thr[p]; |
268 |
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const int w = s->planewidth[p] - 1; |
269 |
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const int h = s->planeheight[p] - 1; |
270 |
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const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
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const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
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const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
273 |
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const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
274 |
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const int src0 = src_ptr[y * src_linesize + x]; |
275 |
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276 |
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src[p] = src0; |
277 |
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avg[p] = get_avg(ref0, ref1, ref2, ref3); |
278 |
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279 |
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✗ |
if (s->blur) { |
280 |
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cmp[p] = FFABS(src0 - avg[p]) < thr; |
281 |
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} else { |
282 |
|
✗ |
cmp[p] = (FFABS(src0 - ref0) < thr) && |
283 |
|
✗ |
(FFABS(src0 - ref1) < thr) && |
284 |
|
✗ |
(FFABS(src0 - ref2) < thr) && |
285 |
|
✗ |
(FFABS(src0 - ref3) < thr); |
286 |
|
|
} |
287 |
|
|
} |
288 |
|
|
|
289 |
|
✗ |
for (z = 0; z < s->nb_components; z++) |
290 |
|
✗ |
if (!cmp[z]) |
291 |
|
✗ |
break; |
292 |
|
✗ |
if (z == s->nb_components) { |
293 |
|
✗ |
for (p = 0; p < s->nb_components; p++) { |
294 |
|
✗ |
const int dst_linesize = out->linesize[p] / 2; |
295 |
|
✗ |
uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x; |
296 |
|
|
|
297 |
|
✗ |
dst[0] = avg[p]; |
298 |
|
|
} |
299 |
|
|
} else { |
300 |
|
✗ |
for (p = 0; p < s->nb_components; p++) { |
301 |
|
✗ |
const int dst_linesize = out->linesize[p] / 2; |
302 |
|
✗ |
uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x; |
303 |
|
|
|
304 |
|
✗ |
dst[0] = src[p]; |
305 |
|
|
} |
306 |
|
|
} |
307 |
|
|
} |
308 |
|
|
} |
309 |
|
|
|
310 |
|
✗ |
return 0; |
311 |
|
|
} |
312 |
|
|
|
313 |
|
✗ |
static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
314 |
|
|
{ |
315 |
|
✗ |
DebandContext *s = ctx->priv; |
316 |
|
✗ |
ThreadData *td = arg; |
317 |
|
✗ |
AVFrame *in = td->in; |
318 |
|
✗ |
AVFrame *out = td->out; |
319 |
|
|
int x, y, p; |
320 |
|
|
|
321 |
|
✗ |
for (p = 0; p < s->nb_components; p++) { |
322 |
|
✗ |
const uint16_t *src_ptr = (const uint16_t *)in->data[p]; |
323 |
|
✗ |
uint16_t *dst_ptr = (uint16_t *)out->data[p]; |
324 |
|
✗ |
const int dst_linesize = out->linesize[p] / 2; |
325 |
|
✗ |
const int src_linesize = in->linesize[p] / 2; |
326 |
|
✗ |
const int thr = s->thr[p]; |
327 |
|
✗ |
const int start = (s->planeheight[p] * jobnr ) / nb_jobs; |
328 |
|
✗ |
const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs; |
329 |
|
✗ |
const int w = s->planewidth[p] - 1; |
330 |
|
✗ |
const int h = s->planeheight[p] - 1; |
331 |
|
|
|
332 |
|
✗ |
for (y = start; y < end; y++) { |
333 |
|
✗ |
const int pos = y * s->planewidth[0]; |
334 |
|
|
|
335 |
|
✗ |
for (x = 0; x < s->planewidth[p]; x++) { |
336 |
|
✗ |
const int x_pos = s->x_pos[pos + x]; |
337 |
|
✗ |
const int y_pos = s->y_pos[pos + x]; |
338 |
|
✗ |
const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
339 |
|
✗ |
const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)]; |
340 |
|
✗ |
const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
341 |
|
✗ |
const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)]; |
342 |
|
✗ |
const int src0 = src_ptr[y * src_linesize + x]; |
343 |
|
|
|
344 |
|
✗ |
if (s->blur) { |
345 |
|
✗ |
const int avg = get_avg(ref0, ref1, ref2, ref3); |
346 |
|
✗ |
const int diff = FFABS(src0 - avg); |
347 |
|
|
|
348 |
|
✗ |
dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0; |
349 |
|
|
} else { |
350 |
|
✗ |
dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) && |
351 |
|
✗ |
(FFABS(src0 - ref1) < thr) && |
352 |
|
✗ |
(FFABS(src0 - ref2) < thr) && |
353 |
|
✗ |
(FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0; |
354 |
|
|
} |
355 |
|
|
} |
356 |
|
|
} |
357 |
|
|
} |
358 |
|
|
|
359 |
|
✗ |
return 0; |
360 |
|
|
} |
361 |
|
|
|
362 |
|
✗ |
static int config_input(AVFilterLink *inlink) |
363 |
|
|
{ |
364 |
|
✗ |
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
365 |
|
✗ |
AVFilterContext *ctx = inlink->dst; |
366 |
|
✗ |
DebandContext *s = ctx->priv; |
367 |
|
✗ |
const float direction = s->direction; |
368 |
|
✗ |
const int range = s->range; |
369 |
|
|
int x, y; |
370 |
|
|
|
371 |
|
✗ |
s->nb_components = desc->nb_components; |
372 |
|
|
|
373 |
|
✗ |
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); |
374 |
|
✗ |
s->planeheight[0] = s->planeheight[3] = inlink->h; |
375 |
|
✗ |
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); |
376 |
|
✗ |
s->planewidth[0] = s->planewidth[3] = inlink->w; |
377 |
|
✗ |
s->shift[0] = desc->log2_chroma_w; |
378 |
|
✗ |
s->shift[1] = desc->log2_chroma_h; |
379 |
|
|
|
380 |
|
✗ |
if (s->coupling) |
381 |
|
✗ |
s->deband = desc->comp[0].depth > 8 ? deband_16_coupling_c : deband_8_coupling_c; |
382 |
|
|
else |
383 |
|
✗ |
s->deband = desc->comp[0].depth > 8 ? deband_16_c : deband_8_c; |
384 |
|
|
|
385 |
|
✗ |
s->thr[0] = ((1 << desc->comp[0].depth) - 1) * s->threshold[0]; |
386 |
|
✗ |
s->thr[1] = ((1 << desc->comp[1].depth) - 1) * s->threshold[1]; |
387 |
|
✗ |
s->thr[2] = ((1 << desc->comp[2].depth) - 1) * s->threshold[2]; |
388 |
|
✗ |
s->thr[3] = ((1 << desc->comp[3].depth) - 1) * s->threshold[3]; |
389 |
|
|
|
390 |
|
✗ |
if (!s->x_pos) |
391 |
|
✗ |
s->x_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->x_pos)); |
392 |
|
✗ |
if (!s->y_pos) |
393 |
|
✗ |
s->y_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->y_pos)); |
394 |
|
✗ |
if (!s->x_pos || !s->y_pos) |
395 |
|
✗ |
return AVERROR(ENOMEM); |
396 |
|
|
|
397 |
|
✗ |
for (y = 0; y < s->planeheight[0]; y++) { |
398 |
|
✗ |
for (x = 0; x < s->planewidth[0]; x++) { |
399 |
|
✗ |
const float r = frand(x, y); |
400 |
|
✗ |
const float dir = direction < 0 ? -direction : r * direction; |
401 |
|
✗ |
const int dist = range < 0 ? -range : r * range; |
402 |
|
|
|
403 |
|
✗ |
s->x_pos[y * s->planewidth[0] + x] = cosf(dir) * dist; |
404 |
|
✗ |
s->y_pos[y * s->planewidth[0] + x] = sinf(dir) * dist; |
405 |
|
|
} |
406 |
|
|
} |
407 |
|
|
|
408 |
|
✗ |
return 0; |
409 |
|
|
} |
410 |
|
|
|
411 |
|
✗ |
static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
412 |
|
|
{ |
413 |
|
✗ |
AVFilterContext *ctx = inlink->dst; |
414 |
|
✗ |
AVFilterLink *outlink = ctx->outputs[0]; |
415 |
|
✗ |
DebandContext *s = ctx->priv; |
416 |
|
|
AVFrame *out; |
417 |
|
|
ThreadData td; |
418 |
|
|
|
419 |
|
✗ |
out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
420 |
|
✗ |
if (!out) { |
421 |
|
✗ |
av_frame_free(&in); |
422 |
|
✗ |
return AVERROR(ENOMEM); |
423 |
|
|
} |
424 |
|
✗ |
av_frame_copy_props(out, in); |
425 |
|
|
|
426 |
|
✗ |
td.in = in; td.out = out; |
427 |
|
✗ |
ff_filter_execute(ctx, s->deband, &td, NULL, |
428 |
|
✗ |
FFMIN3(s->planeheight[1], s->planeheight[2], |
429 |
|
|
ff_filter_get_nb_threads(ctx))); |
430 |
|
|
|
431 |
|
✗ |
av_frame_free(&in); |
432 |
|
✗ |
return ff_filter_frame(outlink, out); |
433 |
|
|
} |
434 |
|
|
|
435 |
|
✗ |
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, |
436 |
|
|
char *res, int res_len, int flags) |
437 |
|
|
{ |
438 |
|
✗ |
int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); |
439 |
|
|
|
440 |
|
✗ |
if (ret < 0) |
441 |
|
✗ |
return ret; |
442 |
|
|
|
443 |
|
✗ |
return config_input(ctx->inputs[0]); |
444 |
|
|
} |
445 |
|
|
|
446 |
|
✗ |
static av_cold void uninit(AVFilterContext *ctx) |
447 |
|
|
{ |
448 |
|
✗ |
DebandContext *s = ctx->priv; |
449 |
|
|
|
450 |
|
✗ |
av_freep(&s->x_pos); |
451 |
|
✗ |
av_freep(&s->y_pos); |
452 |
|
✗ |
} |
453 |
|
|
|
454 |
|
|
static const AVFilterPad avfilter_vf_deband_inputs[] = { |
455 |
|
|
{ |
456 |
|
|
.name = "default", |
457 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
458 |
|
|
.config_props = config_input, |
459 |
|
|
.filter_frame = filter_frame, |
460 |
|
|
}, |
461 |
|
|
}; |
462 |
|
|
|
463 |
|
|
const AVFilter ff_vf_deband = { |
464 |
|
|
.name = "deband", |
465 |
|
|
.description = NULL_IF_CONFIG_SMALL("Debands video."), |
466 |
|
|
.priv_size = sizeof(DebandContext), |
467 |
|
|
.priv_class = &deband_class, |
468 |
|
|
.uninit = uninit, |
469 |
|
|
FILTER_INPUTS(avfilter_vf_deband_inputs), |
470 |
|
|
FILTER_OUTPUTS(ff_video_default_filterpad), |
471 |
|
|
FILTER_QUERY_FUNC(query_formats), |
472 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, |
473 |
|
|
.process_command = process_command, |
474 |
|
|
}; |
475 |
|
|
|