Changed to static test image

src/main.rs

@@ -1,4 +1,6 @@
 #![feature(iter_array_chunks)]
+#![feature(error_generic_member_access)]
+#![feature(provide_any)]
 
 extern crate ffmpeg_next as ffmpeg;
 
@@ -17,7 +19,7 @@ fn main() -> Result<(), Error> {
     ffmpeg::init()?;
 
     // read the input file
-    if let Ok(mut ictx) = input(&Path::new("output.mkv")) {
+    if let Ok(mut ictx) = input(&Path::new("rgb.png")) {
 
         let input = ictx
             .streams()
@@ -69,6 +71,7 @@ fn main() -> Result<(), Error> {
                 receive_and_process_decoded_frames(&mut decoder)?;
             }
         }
+
         decoder.send_eof()?;
         receive_and_process_decoded_frames(&mut decoder)?;
     }