From a78e9245cf8d564a0af3c7ec4b4c8e4bc65ecd89 Mon Sep 17 00:00:00 2001
From: Liangliang Nan <liangliang.nan@gmail.com>
Date: Thu, 28 Nov 2024 21:52:24 +0100
Subject: [PATCH] built on Windows

---
 easy3d/video/video_encoder.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/easy3d/video/video_encoder.cpp b/easy3d/video/video_encoder.cpp
index 43aeb719..565735b4 100644
--- a/easy3d/video/video_encoder.cpp
+++ b/easy3d/video/video_encoder.cpp
@@ -785,7 +785,7 @@ namespace internal {
 #endif
 
         // find the output format
-        avformat_alloc_output_context2(&m_ff->formatContext, outputFormat, nullptr, outputFormat ? m_filename.c_str() : nullptr);
+        avformat_alloc_output_context2(&m_ff->formatContext, const_cast<AVOutputFormat*>(outputFormat), nullptr, outputFormat ? m_filename.c_str() : nullptr);
         if (!m_ff->formatContext) {
             if (!outputFormat) {
                 LOG(WARNING) << "could not deduce output format from file extension: using mp4";