From d68cce17f634d5147d01dbc59a44c378ead6f344 Mon Sep 17 00:00:00 2001
From: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date: Sun, 22 May 2022 15:30:20 -0700
Subject: [PATCH] ffmpegdecoder: check if instance open before validating pix
 fmt

---
 app/codec/ffmpeg/ffmpegdecoder.cpp | 8 +++++---
 app/codec/ffmpeg/ffmpegdecoder.h   | 5 +++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/app/codec/ffmpeg/ffmpegdecoder.cpp b/app/codec/ffmpeg/ffmpegdecoder.cpp
index 499a0a31a..a825584d7 100644
--- a/app/codec/ffmpeg/ffmpegdecoder.cpp
+++ b/app/codec/ffmpeg/ffmpegdecoder.cpp
@@ -950,9 +950,11 @@ void FFmpegDecoder::RemoveFirstFrame()
 VideoParams FFmpegDecoder::GetParamsForTexture(const Decoder::RetrieveVideoParams &p)
 {
   if (native_pix_fmt_ == VideoParams::kFormatInvalid) {
-    instance_.GetFrame(working_packet_, working_frame_);
-    InitScaler(working_frame_, p);
-    av_frame_unref(working_frame_);
+    if (instance_.IsOpen()) {
+      instance_.GetFrame(working_packet_, working_frame_);
+      InitScaler(working_frame_, p);
+      av_frame_unref(working_frame_);
+    }
   }
 
   return VideoParams(instance_.avstream()->codecpar->width,
diff --git a/app/codec/ffmpeg/ffmpegdecoder.h b/app/codec/ffmpeg/ffmpegdecoder.h
index 60e838aee..b4edcaf99 100644
--- a/app/codec/ffmpeg/ffmpegdecoder.h
+++ b/app/codec/ffmpeg/ffmpegdecoder.h
@@ -87,6 +87,11 @@ private:
 
     bool Open(const char* filename, int stream_index);
 
+    bool IsOpen() const
+    {
+      return fmt_ctx_;
+    }
+
     void Close();
 
     /**