diff --git a/.gitignore b/.gitignore
index b956f11..6473eaf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,12 @@
 **/*.rs.bk
 /.idea
 /Cargo.lock
+
+*.so
+*.dll
+*.dylib
+*.mp4
+*.ogv
+*.gb
+*.bin
+.DS_Store
\ No newline at end of file
diff --git a/examples/ffmpeg_recorder.rs b/examples/ffmpeg_recorder.rs
index 34d623a..7770848 100644
--- a/examples/ffmpeg_recorder.rs
+++ b/examples/ffmpeg_recorder.rs
@@ -160,7 +160,7 @@ let wavname  = Path::new("out.wav");
             av_info.geometry.aspect_ratio = 4.33;
         }
         if av_info.timing.sample_rate == 0.0 {
-            av_info.timing.sample_rate = 32040.0;
+            av_info.timing.sample_rate = 44100.0;
         }
         video_encoder.set_width(av_info.geometry.base_width);
         video_encoder.set_height(av_info.geometry.base_height);
@@ -303,7 +303,7 @@ static bool ffmpeg_init_config(struct ff_config_param *params,
             ChannelLayout::STEREO
         );
         aframe.set_channels(2);
-        aframe.set_rate(32040);
+        aframe.set_rate(44100);
         let aplane: &mut [(i16, i16)] = aframe.plane_mut(0);
         eprintln!("Audio buffer length {} -> {}", self.audio_buf.len(), aplane.len());
         aplane.copy_from_slice(self.audio_buf.as_ref());
@@ -355,9 +355,9 @@ static bool ffmpeg_init_config(struct ff_config_param *params,
     }
 
     pub fn end(&mut self) {
-        self.video_encoder.send_eof().unwrap();
+        self.video_encoder.send_eof();
         self.receive_and_write_packets(EncoderToWriteFrom::Video);
-        self.audio_encoder.send_eof().unwrap();
+        self.audio_encoder.send_eof();
         self.receive_and_write_packets(EncoderToWriteFrom::Audio);
         self.octx.write_trailer().unwrap();
     }