Cleanup replay packets after use

src/main.cpp

@@ -2048,6 +2048,10 @@ int main(int argc, char **argv) {
         if(save_replay_thread.valid() && save_replay_thread.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
             save_replay_thread.get();
             puts(save_replay_output_filepath.c_str());
+            std::lock_guard<std::mutex> lock(write_output_mutex);
+            for(AVPacket &packet : save_replay_packets) {
+                av_packet_unref(&packet);
+            }
             save_replay_packets.clear();
         }
 
@@ -2068,6 +2072,11 @@ int main(int argc, char **argv) {
     if(save_replay_thread.valid()) {
         save_replay_thread.get();
         puts(save_replay_output_filepath.c_str());
+        std::lock_guard<std::mutex> lock(write_output_mutex);
+        for(AVPacket &packet : save_replay_packets) {
+            av_packet_unref(&packet);
+        }
+        save_replay_packets.clear();
     }
 
     for(AudioTrack &audio_track : audio_tracks) {