ffmpegdecoder: check if instance open before validating pix fmt

2022-05-22 15:30:20 -07:00
parent cab62ba5d1
commit d68cce17f6
2 changed files with 10 additions and 3 deletions
@@ -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,
@@ -87,6 +87,11 @@ private:

    bool Open(const char* filename, int stream_index);

+    bool IsOpen() const
+    {
+      return fmt_ctx_;
+    }
+
    void Close();

    /**