From a2a88fe837fd6770ac94f08b2eb841f0dc9d2430 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20Elio=20Petten=C3=B2?= <flameeyes@flameeyes.com>
Date: Sat, 8 Oct 2022 10:14:46 +0100
Subject: [PATCH] Set the `update` option to suppress the ffmpeg 5.1 warning.
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This addresses Issue #113, the spurious warning coming from ffmpeg 5.1+
about the filename not being an image sequence (we do our own sequencing
so we do not want it to be seen by ffmpeg at all!)

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 file.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/file.c b/file.c
index fc24a4c..53ef727 100644
--- a/file.c
+++ b/file.c
@@ -13,6 +13,7 @@
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
 #include <libavutil/avutil.h>
+#include <libavutil/opt.h>
 
 #include "tools.h"
 #include "unpaper.h"
@@ -142,6 +143,11 @@ void saveImage(char *filename, AVFrame *input, int outputPixFmt) {
     errOutput("unable to allocate output context.");
   }
 
+  if ((ret = av_opt_set(out_ctx->priv_data, "update", "true", 0)) < 0) {
+    av_strerror(ret, errbuff, sizeof(errbuff));
+    errOutput("unable to configure update option: %s", errbuff);
+  }
+
   switch (outputPixFmt) {
   case AV_PIX_FMT_RGB24:
     output_codec = AV_CODEC_ID_PPM;
-- 
2.37.3