1st of 5 factorized patches; supersedes
https://patchwork.ffmpeg.org/patch/16272/
From 8ee0551584adc7020f485d7b9a237da7207fbdb6 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <ffm...@gyani.pro>
Date: Sun, 8 Dec 2019 15:43:42 +0530
Subject: [PATCH 1/5] avfilter/scale: store frame change eval
Better readability and allows reuse
---
libavfilter/vf_scale.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 8620d1c44e..ba693bb601 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -398,15 +398,19 @@ static int scale_frame(AVFilterLink *link, AVFrame *in,
AVFrame **frame_out)
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
char buf[32];
int in_range;
+ int frame_changed;
*frame_out = NULL;
if (in->colorspace == AVCOL_SPC_YCGCO)
av_log(link->dst, AV_LOG_WARNING, "Detected unsupported YCgCo
colorspace.\n");
- if ( in->width != link->w
- || in->height != link->h
- || in->format != link->format
- || in->sample_aspect_ratio.den != link->sample_aspect_ratio.den ||
in->sample_aspect_ratio.num != link->sample_aspect_ratio.num) {
+ frame_changed = in->width != link->w ||
+ in->height != link->h ||
+ in->format != link->format ||
+ in->sample_aspect_ratio.den !=
link->sample_aspect_ratio.den ||
+ in->sample_aspect_ratio.num !=
link->sample_aspect_ratio.num;
+
+ if (frame_changed) {
int ret;
if (scale->eval_mode == EVAL_MODE_INIT) {
--
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