From d29fd2cf84ea386c67ecb0302adebc0700088d94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20Elio=20Petten=C3=B2?= <flameeyes@flameeyes.com>
Date: Sat, 8 Oct 2022 00:16:20 +0100
Subject: [PATCH] Use avformat_alloc_output_context2() to create the out
 context.
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This simplifies the API usage quite a bit, while maintaining the same
logic as previously.

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 file.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/file.c b/file.c
index d9c239e..fc24a4c 100644
--- a/file.c
+++ b/file.c
@@ -127,7 +127,6 @@ void loadImage(const char *filename, AVFrame **image) {
  * @return true on success, false on failure
  */
 void saveImage(char *filename, AVFrame *input, int outputPixFmt) {
-  const AVOutputFormat *fmt = NULL;
   enum AVCodecID output_codec = -1;
   const AVCodec *codec;
   AVFormatContext *out_ctx;
@@ -138,20 +137,11 @@ void saveImage(char *filename, AVFrame *input, int outputPixFmt) {
   int ret;
   char errbuff[1024];
 
-  fmt = av_guess_format("image2", NULL, NULL);
-
-  if (!fmt) {
-    errOutput("could not find suitable output fmt.");
-  }
-
-  out_ctx = avformat_alloc_context();
-  if (!out_ctx) {
+  if (avformat_alloc_output_context2(&out_ctx, NULL, "image2", filename) < 0 ||
+    out_ctx == NULL) {
     errOutput("unable to allocate output context.");
   }
 
-  out_ctx->oformat = fmt;
-  out_ctx->url = av_strdup(filename);
-
   switch (outputPixFmt) {
   case AV_PIX_FMT_RGB24:
     output_codec = AV_CODEC_ID_PPM;
-- 
2.37.3