From b2c6a11fb60429c9698b9d1e8538d32d741e68c5 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Sat, 27 Aug 2016 13:44:21 +0200
Subject: [PATCH] avfilter/vf_atadenoise: add planes option

Make possible filtering only some planes.
---
 doc/filters.texi            |  3 +++
 libavfilter/vf_atadenoise.c | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 15300d8fdc..b50d7a64d2 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4397,6 +4397,9 @@ threshold B is designed to react on continuous changes in the input signal.
 @item s
 Set number of frames filter will use for averaging. Default is 33. Must be odd
 number in range [5, 129].
+
+@item p
+Set what planes of frame filter will use for averaging. Default is all.
 @end table
 
 @section bbox
diff --git a/libavfilter/vf_atadenoise.c b/libavfilter/vf_atadenoise.c
index cdea298a82..07da792a84 100644
--- a/libavfilter/vf_atadenoise.c
+++ b/libavfilter/vf_atadenoise.c
@@ -25,6 +25,7 @@
  * David Bartovčak and Miroslav Vrankić
  */
 
+#include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
@@ -44,6 +45,7 @@ typedef struct ATADenoiseContext {
     float fthra[4], fthrb[4];
     int thra[4], thrb[4];
 
+    int planes;
     int nb_planes;
     int planewidth[4];
     int planeheight[4];
@@ -68,6 +70,7 @@ static const AVOption atadenoise_options[] = {
     { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
     { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
     { "s",  "set how many frames to use",    OFFSET(size),     AV_OPT_TYPE_INT,   {.i64=9},   5, SIZE, FLAGS },
+    { "p",  "set what planes to filter",     OFFSET(planes),   AV_OPT_TYPE_FLAGS, {.i64=7},    0, 15,  FLAGS },
     { NULL }
 };
 
@@ -141,6 +144,12 @@ static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs
         const int *linesize = (const int *)s->linesize[p];
         const uint8_t *srcf[SIZE];
 
+        if (!((1 << p) & s->planes)) {
+            av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
+                                w, slice_end - slice_start);
+            continue;
+        }
+
         for (i = 0; i < size; i++)
             srcf[i] = data[i] + slice_start * linesize[i];
 
@@ -212,6 +221,12 @@ static int filter_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_job
         const int *linesize = (const int *)s->linesize[p];
         const uint16_t *srcf[SIZE];
 
+        if (!((1 << p) & s->planes)) {
+            av_image_copy_plane((uint8_t *)dst, out->linesize[p], (uint8_t *)src, in->linesize[p],
+                                w * 2, slice_end - slice_start);
+            continue;
+        }
+
         for (i = 0; i < s->size; i++)
             srcf[i] = (const uint16_t *)(data[i] + slice_start * linesize[i]);