LCOV - code coverage report
Current view: top level - libavfilter - vf_maskedmerge.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 137 0.0 %
Date: 2018-05-20 11:54:08 Functions: 0 9 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2015 Paul B Mahol
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #include "libavutil/imgutils.h"
      22             : #include "libavutil/pixdesc.h"
      23             : #include "libavutil/opt.h"
      24             : #include "avfilter.h"
      25             : #include "formats.h"
      26             : #include "internal.h"
      27             : #include "video.h"
      28             : #include "maskedmerge.h"
      29             : 
      30             : #define OFFSET(x) offsetof(MaskedMergeContext, x)
      31             : #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
      32             : 
      33             : static const AVOption maskedmerge_options[] = {
      34             :     { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
      35             :     { NULL }
      36             : };
      37             : 
      38             : AVFILTER_DEFINE_CLASS(maskedmerge);
      39             : 
      40           0 : static int query_formats(AVFilterContext *ctx)
      41             : {
      42             :     static const enum AVPixelFormat pix_fmts[] = {
      43             :         AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
      44             :         AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
      45             :         AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
      46             :         AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
      47             :         AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
      48             :         AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
      49             :         AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
      50             :         AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
      51             :         AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
      52             :         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
      53             :         AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
      54             :         AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
      55             :         AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
      56             :         AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
      57             :         AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
      58             :         AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
      59             :         AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY16,
      60             :         AV_PIX_FMT_NONE
      61             :     };
      62             : 
      63           0 :     return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
      64             : }
      65             : 
      66             : typedef struct ThreadData {
      67             :     AVFrame *base, *overlay, *mask;
      68             :     AVFrame *out;
      69             : } ThreadData;
      70             : 
      71           0 : static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
      72             : {
      73           0 :     MaskedMergeContext *s = ctx->priv;
      74           0 :     ThreadData *td = arg;
      75           0 :     AVFrame *base = td->base;
      76           0 :     AVFrame *overlay = td->overlay;
      77           0 :     AVFrame *mask = td->mask;
      78           0 :     AVFrame *out = td->out;
      79             :     int p;
      80             : 
      81           0 :     for (p = 0; p < s->nb_planes; p++) {
      82           0 :         const int h = s->height[p];
      83           0 :         const int slice_start = (h * jobnr) / nb_jobs;
      84           0 :         const int slice_end = (h * (jobnr+1)) / nb_jobs;
      85             : 
      86           0 :         if (!((1 << p) & s->planes)) {
      87           0 :             av_image_copy_plane(out->data[p] + slice_start * out->linesize[p],
      88             :                                 out->linesize[p],
      89           0 :                                 base->data[p] + slice_start * base->linesize[p],
      90             :                                 base->linesize[p],
      91             :                                 s->linesize[p], slice_end - slice_start);
      92           0 :             continue;
      93             :         }
      94             : 
      95           0 :         s->maskedmerge(base->data[p] + slice_start * base->linesize[p],
      96           0 :                        overlay->data[p] + slice_start * overlay->linesize[p],
      97           0 :                        mask->data[p] + slice_start * mask->linesize[p],
      98           0 :                        out->data[p] + slice_start * out->linesize[p],
      99           0 :                        base->linesize[p], overlay->linesize[p],
     100           0 :                        mask->linesize[p], out->linesize[p],
     101             :                        s->width[p], slice_end - slice_start,
     102             :                        s->half, s->depth);
     103             :     }
     104             : 
     105           0 :     return 0;
     106             : }
     107             : 
     108           0 : static int process_frame(FFFrameSync *fs)
     109             : {
     110           0 :     AVFilterContext *ctx = fs->parent;
     111           0 :     MaskedMergeContext *s = fs->opaque;
     112           0 :     AVFilterLink *outlink = ctx->outputs[0];
     113             :     AVFrame *out, *base, *overlay, *mask;
     114             :     ThreadData td;
     115             :     int ret;
     116             : 
     117           0 :     if ((ret = ff_framesync_get_frame(&s->fs, 0, &base,    0)) < 0 ||
     118           0 :         (ret = ff_framesync_get_frame(&s->fs, 1, &overlay, 0)) < 0 ||
     119           0 :         (ret = ff_framesync_get_frame(&s->fs, 2, &mask,    0)) < 0)
     120           0 :         return ret;
     121             : 
     122           0 :     if (ctx->is_disabled) {
     123           0 :         out = av_frame_clone(base);
     124           0 :         if (!out)
     125           0 :             return AVERROR(ENOMEM);
     126             :     } else {
     127           0 :         out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     128           0 :         if (!out)
     129           0 :             return AVERROR(ENOMEM);
     130           0 :         av_frame_copy_props(out, base);
     131             : 
     132           0 :         td.out = out;
     133           0 :         td.base = base;
     134           0 :         td.overlay = overlay;
     135           0 :         td.mask = mask;
     136           0 :         ctx->internal->execute(ctx, filter_slice, &td, NULL,
     137           0 :                                FFMIN(s->height[2], ff_filter_get_nb_threads(ctx)));
     138             :     }
     139           0 :     out->pts = av_rescale_q(base->pts, s->fs.time_base, outlink->time_base);
     140             : 
     141           0 :     return ff_filter_frame(outlink, out);
     142             : }
     143             : 
     144           0 : static void maskedmerge8(const uint8_t *bsrc, const uint8_t *osrc,
     145             :                          const uint8_t *msrc, uint8_t *dst,
     146             :                          ptrdiff_t blinesize, ptrdiff_t olinesize,
     147             :                          ptrdiff_t mlinesize, ptrdiff_t dlinesize,
     148             :                          int w, int h,
     149             :                          int half, int shift)
     150             : {
     151             :     int x, y;
     152             : 
     153           0 :     for (y = 0; y < h; y++) {
     154           0 :         for (x = 0; x < w; x++) {
     155           0 :             dst[x] = bsrc[x] + ((msrc[x] * (osrc[x] - bsrc[x]) + 128) >> 8);
     156             :         }
     157             : 
     158           0 :         dst  += dlinesize;
     159           0 :         bsrc += blinesize;
     160           0 :         osrc += olinesize;
     161           0 :         msrc += mlinesize;
     162             :     }
     163           0 : }
     164             : 
     165           0 : static void maskedmerge16(const uint8_t *bbsrc, const uint8_t *oosrc,
     166             :                           const uint8_t *mmsrc, uint8_t *ddst,
     167             :                           ptrdiff_t blinesize, ptrdiff_t olinesize,
     168             :                           ptrdiff_t mlinesize, ptrdiff_t dlinesize,
     169             :                           int w, int h,
     170             :                           int half, int shift)
     171             : {
     172           0 :     const uint16_t *bsrc = (const uint16_t *)bbsrc;
     173           0 :     const uint16_t *osrc = (const uint16_t *)oosrc;
     174           0 :     const uint16_t *msrc = (const uint16_t *)mmsrc;
     175           0 :     uint16_t *dst = (uint16_t *)ddst;
     176             :     int x, y;
     177             : 
     178           0 :     for (y = 0; y < h; y++) {
     179           0 :         for (x = 0; x < w; x++) {
     180           0 :             dst[x] = bsrc[x] + ((msrc[x] * (osrc[x] - bsrc[x]) + half) >> shift);
     181             :         }
     182             : 
     183           0 :         dst  += dlinesize / 2;
     184           0 :         bsrc += blinesize / 2;
     185           0 :         osrc += olinesize / 2;
     186           0 :         msrc += mlinesize / 2;
     187             :     }
     188           0 : }
     189             : 
     190           0 : static int config_input(AVFilterLink *inlink)
     191             : {
     192           0 :     AVFilterContext *ctx = inlink->dst;
     193           0 :     MaskedMergeContext *s = ctx->priv;
     194           0 :     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     195             :     int vsub, hsub;
     196             : 
     197           0 :     s->nb_planes = av_pix_fmt_count_planes(inlink->format);
     198             : 
     199           0 :     hsub = desc->log2_chroma_w;
     200           0 :     vsub = desc->log2_chroma_h;
     201           0 :     s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
     202           0 :     s->height[0] = s->height[3] = inlink->h;
     203           0 :     s->width[1]  = s->width[2]  = AV_CEIL_RSHIFT(inlink->w, hsub);
     204           0 :     s->width[0]  = s->width[3]  = inlink->w;
     205             : 
     206           0 :     s->depth = desc->comp[0].depth;
     207           0 :     s->half = (1 << s->depth) / 2;
     208             : 
     209           0 :     if (desc->comp[0].depth == 8)
     210           0 :         s->maskedmerge = maskedmerge8;
     211             :     else
     212           0 :         s->maskedmerge = maskedmerge16;
     213             : 
     214             :     if (ARCH_X86)
     215           0 :         ff_maskedmerge_init_x86(s);
     216             : 
     217           0 :     return 0;
     218             : }
     219             : 
     220           0 : static int config_output(AVFilterLink *outlink)
     221             : {
     222           0 :     AVFilterContext *ctx = outlink->src;
     223           0 :     MaskedMergeContext *s = ctx->priv;
     224           0 :     AVFilterLink *base = ctx->inputs[0];
     225           0 :     AVFilterLink *overlay = ctx->inputs[1];
     226           0 :     AVFilterLink *mask = ctx->inputs[2];
     227             :     FFFrameSyncIn *in;
     228             :     int ret;
     229             : 
     230           0 :     if (base->format != overlay->format ||
     231           0 :         base->format != mask->format) {
     232           0 :         av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
     233           0 :         return AVERROR(EINVAL);
     234             :     }
     235           0 :     if (base->w != overlay->w || base->h != overlay->h ||
     236           0 :         base->w != mask->w    || base->h != mask->h) {
     237           0 :         av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
     238             :                "(size %dx%d) do not match the corresponding "
     239             :                "second input link %s parameters (size %dx%d) "
     240             :                "and/or third input link %s parameters (size %dx%d)\n",
     241           0 :                ctx->input_pads[0].name, base->w, base->h,
     242           0 :                ctx->input_pads[1].name, overlay->w, overlay->h,
     243           0 :                ctx->input_pads[2].name, mask->w, mask->h);
     244           0 :         return AVERROR(EINVAL);
     245             :     }
     246             : 
     247           0 :     outlink->w = base->w;
     248           0 :     outlink->h = base->h;
     249           0 :     outlink->time_base = base->time_base;
     250           0 :     outlink->sample_aspect_ratio = base->sample_aspect_ratio;
     251           0 :     outlink->frame_rate = base->frame_rate;
     252             : 
     253           0 :     if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, outlink->w)) < 0)
     254           0 :         return ret;
     255             : 
     256           0 :     if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
     257           0 :         return ret;
     258             : 
     259           0 :     in = s->fs.in;
     260           0 :     in[0].time_base = base->time_base;
     261           0 :     in[1].time_base = overlay->time_base;
     262           0 :     in[2].time_base = mask->time_base;
     263           0 :     in[0].sync   = 1;
     264           0 :     in[0].before = EXT_STOP;
     265           0 :     in[0].after  = EXT_INFINITY;
     266           0 :     in[1].sync   = 1;
     267           0 :     in[1].before = EXT_STOP;
     268           0 :     in[1].after  = EXT_INFINITY;
     269           0 :     in[2].sync   = 1;
     270           0 :     in[2].before = EXT_STOP;
     271           0 :     in[2].after  = EXT_INFINITY;
     272           0 :     s->fs.opaque   = s;
     273           0 :     s->fs.on_event = process_frame;
     274             : 
     275           0 :     return ff_framesync_configure(&s->fs);
     276             : }
     277             : 
     278           0 : static int activate(AVFilterContext *ctx)
     279             : {
     280           0 :     MaskedMergeContext *s = ctx->priv;
     281           0 :     return ff_framesync_activate(&s->fs);
     282             : }
     283             : 
     284           0 : static av_cold void uninit(AVFilterContext *ctx)
     285             : {
     286           0 :     MaskedMergeContext *s = ctx->priv;
     287             : 
     288           0 :     ff_framesync_uninit(&s->fs);
     289           0 : }
     290             : 
     291             : static const AVFilterPad maskedmerge_inputs[] = {
     292             :     {
     293             :         .name         = "base",
     294             :         .type         = AVMEDIA_TYPE_VIDEO,
     295             :         .config_props = config_input,
     296             :     },
     297             :     {
     298             :         .name         = "overlay",
     299             :         .type         = AVMEDIA_TYPE_VIDEO,
     300             :     },
     301             :     {
     302             :         .name         = "mask",
     303             :         .type         = AVMEDIA_TYPE_VIDEO,
     304             :     },
     305             :     { NULL }
     306             : };
     307             : 
     308             : static const AVFilterPad maskedmerge_outputs[] = {
     309             :     {
     310             :         .name          = "default",
     311             :         .type          = AVMEDIA_TYPE_VIDEO,
     312             :         .config_props  = config_output,
     313             :     },
     314             :     { NULL }
     315             : };
     316             : 
     317             : AVFilter ff_vf_maskedmerge = {
     318             :     .name          = "maskedmerge",
     319             :     .description   = NULL_IF_CONFIG_SMALL("Merge first stream with second stream using third stream as mask."),
     320             :     .priv_size     = sizeof(MaskedMergeContext),
     321             :     .uninit        = uninit,
     322             :     .query_formats = query_formats,
     323             :     .activate      = activate,
     324             :     .inputs        = maskedmerge_inputs,
     325             :     .outputs       = maskedmerge_outputs,
     326             :     .priv_class    = &maskedmerge_class,
     327             :     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
     328             : };

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