matrix filter
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596B2350DCD67504
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@ -340,6 +340,7 @@ OBJS-$(CONFIG_MASKEDMERGE_FILTER) += vf_maskedmerge.o framesync.o
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OBJS-$(CONFIG_MASKEDMIN_FILTER) += vf_maskedminmax.o framesync.o
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OBJS-$(CONFIG_MASKEDTHRESHOLD_FILTER) += vf_maskedthreshold.o framesync.o
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OBJS-$(CONFIG_MASKFUN_FILTER) += vf_maskfun.o
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OBJS-$(CONFIG_MASKFUN_FILTER) += vf_matrix.o
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OBJS-$(CONFIG_MCDEINT_FILTER) += vf_mcdeint.o
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OBJS-$(CONFIG_MEDIAN_FILTER) += vf_median.o
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OBJS-$(CONFIG_MERGEPLANES_FILTER) += vf_mergeplanes.o framesync.o
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@ -325,6 +325,7 @@ extern const AVFilter ff_vf_maskedmerge;
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extern const AVFilter ff_vf_maskedmin;
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extern const AVFilter ff_vf_maskedthreshold;
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extern const AVFilter ff_vf_maskfun;
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extern const AVFilter ff_vf_matrix;
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extern const AVFilter ff_vf_mcdeint;
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extern const AVFilter ff_vf_median;
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extern const AVFilter ff_vf_mergeplanes;
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@ -0,0 +1,206 @@
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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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extern "C" {
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#include "libavutil/opt.h"
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#include "libavutil/imgutils.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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}
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#include <iostream>
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extern "C" {
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typedef struct MatrixContext {
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const AVClass *classs;
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// user input
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unsigned int w;
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unsigned int h;
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int depth; // bit depth of planes
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// size of input planes
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int planewidth[4];
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int planeheight[4];
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// ptr to multithreaded functions
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// one function for the y plane one for uv
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int (*do_plane)(AVFilterContext *s, void *arg, int plane);
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} MatrixContext;
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} // extern c
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// luminance slices
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template<typename T>
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static inline T getPxl(T* planeData, uint32_t linesize, uint32_t h, uint32_t x, uint32_t y) {
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uint32_t yc = (y % h);
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uint32_t xc = (x % linesize);
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return (planeData[yc * linesize + xc]);
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}
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template<typename T>
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static int matrix_processplane(AVFilterContext *ctx, void *arg, int plane)
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{
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MatrixContext *s = (MatrixContext *) ctx->priv;
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AVFrame *frame = (AVFrame *) arg;
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const int width = s->planewidth[plane];
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const int height = s->planeheight[plane];
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const unsigned int w = s->w;
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const unsigned int h = s->h;
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const int linesize = frame->linesize[plane] / sizeof(T);
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T *ptr = (T*) frame->data[plane];
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// copy frame
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T* origframe = new T[width * height];
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memcpy(origframe, ptr, width * height * sizeof(T));
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// apply mosaik
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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ptr[x] = getPxl(origframe, linesize, height, x * w, y * h);
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}
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ptr += linesize;
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}
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delete[] origframe;
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return 0;
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}
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extern "C" {
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static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
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{
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AVFilterContext *ctx = (AVFilterContext *) inlink->dst;
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MatrixContext *s = (MatrixContext *) ctx->priv;
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s->do_plane(ctx, frame, 0); // y plane
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s->do_plane(ctx, frame, 1); // u plane
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s->do_plane(ctx, frame, 2); // v plane
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return ff_filter_frame(ctx->outputs[0], frame);
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}
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static const enum AVPixelFormat pixel_fmts[] = {
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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_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_NONE
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};
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static av_cold int config_input(AVFilterLink *inlink)
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{
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AVFilterContext *ctx = (AVFilterContext *) inlink->dst;
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MatrixContext *s = (MatrixContext *) ctx->priv;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get((AVPixelFormat) inlink->format);
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int depth;
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s->depth = depth = desc->comp[0].depth;
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s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
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s->planewidth[0] = s->planewidth[3] = inlink->w;
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s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
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s->planeheight[0] = s->planeheight[3] = inlink->h;
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s->do_plane = depth <= 8 ? matrix_processplane<uint8_t> : matrix_processplane<uint16_t>;
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return 0;
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}
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static const AVFilterPad matrix_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.flags = AVFILTERPAD_FLAG_NEEDS_WRITABLE,
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.filter_frame = filter_frame,
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.config_props = config_input,
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},
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};
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static const AVFilterPad matrix_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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},
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};
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#define OFFSET(x) offsetof(MatrixContext, x)
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#define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
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static const AVOption matrix_options[] = {
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{ "w", "width", OFFSET(w), AV_OPT_TYPE_INT, {.i64=2}, 1, 1000, VF},
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{ "h", "height", OFFSET(h), AV_OPT_TYPE_INT, {.i64=2}, 1, 1000, VF},
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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(matrix);
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extern "C" const AVFilter ff_vf_matrix = {
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.name = "matrix",
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.description = NULL_IF_CONFIG_SMALL("Multiply a video into a Matrix"),
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// FILTER_INPUTS(matrix_inputs),
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// FILTER_OUTPUTS(matrix_outputs),
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.inputs = matrix_inputs,
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.outputs = matrix_outputs,
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.priv_class = &matrix_class,
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC , // | AVFILTER_FLAG_SLICE_THREADS,
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.nb_inputs = 1,
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.nb_outputs = 1,
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.formats_state = FF_FILTER_FORMATS_PIXFMT_LIST,
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// preinit
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// init
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// init_dict
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// uninit
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.formats = { .pixels_list = pixel_fmts },
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.priv_size = sizeof(MatrixContext),
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// FILTER_PIXFMTS_ARRAY(pixel_fmts),
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.process_command = NULL, // ff_filter_process_command
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// activate
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};
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} // extern c
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