From 29e0879b29d11e76b60392b9bcfa238224bde26d Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Sun, 3 Jun 2018 18:50:04 +0200
Subject: [PATCH] avfilter/f_drawgraph: fix drawing of first point for
non-first metadata key
Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
libavfilter/f_drawgraph.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/libavfilter/f_drawgraph.c b/libavfilter/f_drawgraph.c
index 8be9b9f95a5..f49d5b80220 100644
--- a/libavfilter/f_drawgraph.c
+++ b/libavfilter/f_drawgraph.c
@@ -43,7 +43,7 @@ typedef struct DrawGraphContext {
AVFrame *out;
int x;
int prev_y[4];
- int first;
+ int first[4];
float *values[4];
int values_size[4];
int nb_values;
@@ -102,7 +102,7 @@ static av_cold int init(AVFilterContext *ctx)
}
}
- s->first = 1;
+ s->first[0] = s->first[1] = s->first[2] = s->first[3] = 1;
if (s->slide == 4) {
s->values[0] = av_fast_realloc(NULL, &s->values_size[0], 2000);
@@ -282,8 +282,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
draw_dot(fg, x, y, out);
break;
case 2:
- if (s->first) {
- s->first = 0;
+ if (s->first[i]) {
+ s->first[i] = 0;
s->prev_y[i] = y;
}
@@ -366,8 +366,8 @@ static int request_frame(AVFilterLink *outlink)
draw_dot(fg, x, y, out);
break;
case 2:
- if (s->first) {
- s->first = 0;
+ if (s->first[i]) {
+ s->first[i] = 0;
s->prev_y[i] = y;
}
--
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