diff --git a/examples/metadata.rs b/examples/metadata.rs
index cbba211..4c7aeae 100644
--- a/examples/metadata.rs
+++ b/examples/metadata.rs
@@ -1,86 +1,79 @@
 extern crate ffmpeg;
 
 use std::env;
-use std::path::Path;
-
-fn print_metadata(context: &ffmpeg::format::Context) {
-	for (k, v) in context.metadata().iter() {
-		println!("{}: {}", k, v);
-	}
-
-	if let Some(stream) = context.streams().best(ffmpeg::media::Type::Video) {
-		println!("Best video stream index: {}", stream.index());
-	}
-
-	if let Some(stream) = context.streams().best(ffmpeg::media::Type::Audio) {
-		println!("Best audio stream index: {}", stream.index());
-	}
-
-	if let Some(stream) = context.streams().best(ffmpeg::media::Type::Subtitle) {
-		println!("Best subtitle stream index: {}", stream.index());
-	}
-
-	for stream in context.streams() {
-		println!("stream index {}:", stream.index());
-		println!("\ttime_base: {}", stream.time_base());
-		println!("\tstart_time: {}", stream.start_time());
-		println!("\tduration: {}", stream.duration());
-		println!("\tframes: {}", stream.frames());
-		println!("\tdisposition: {:?}", stream.disposition());
-		println!("\tdiscard: {:?}", stream.discard());
-		println!("\tframe_rate: {}", stream.frame_rate());
-
-		let codec = stream.codec();
-		println!("\tmedium: {:?}", codec.medium());
-		println!("\tid: {:?}", codec.id());
-
-		if codec.medium() == ffmpeg::media::Type::Video {
-			if let Ok(video) = codec.decoder().video() {
-				println!("\tbit_rate: {}", video.bit_rate());
-				println!("\tdelay: {}", video.delay());
-				println!("\tvideo.width: {}", video.width());
-				println!("\tvideo.height: {}", video.height());
-				println!("\tvideo.format: {:?}", video.format());
-				println!("\tvideo.has_b_frames: {}", video.has_b_frames());
-				println!("\tvideo.aspect_ratio: {}", video.aspect_ratio());
-				println!("\tvideo.color_space: {:?}", video.color_space());
-				println!("\tvideo.color_range: {:?}", video.color_range());
-				println!("\tvideo.color_primaries: {:?}", video.color_primaries());
-				println!("\tvideo.color_transfer_characteristic: {:?}", video.color_transfer_characteristic());
-				println!("\tvideo.chroma_location: {:?}", video.chroma_location());
-				println!("\tvideo.references: {}", video.references());
-				println!("\tvideo.intra_dc_precision: {}", video.intra_dc_precision());
-			}
-		}
-		else if codec.medium() == ffmpeg::media::Type::Audio {
-			if let Ok(audio) = codec.decoder().audio() {
-				println!("\tbit_rate: {}", audio.bit_rate());
-				println!("\tdelay: {}", audio.delay());
-				println!("\taudio.rate: {}", audio.rate());
-				println!("\taudio.channels: {}", audio.channels());
-				println!("\taudio.format: {:?}", audio.format());
-				println!("\taudio.frames: {}", audio.frames());
-				println!("\taudio.align: {}", audio.align());
-				println!("\taudio.channel_layout: {:?}", audio.channel_layout());
-				println!("\taudio.max_rate: {}", audio.max_rate());
-				println!("\taudio.frame_start: {:?}", audio.frame_start());
-			}
-		}
-	}
-}
 
 fn main() {
 	ffmpeg::init().unwrap();
 
-	if let Some(file) = env::args().nth(1) {
-		let path = Path::new(&file);
+	match ffmpeg::format::input(&env::args().nth(1).expect("missing file")) {
+		Ok(context) => {
+			for (k, v) in context.metadata().iter() {
+				println!("{}: {}", k, v);
+			}
+		
+			if let Some(stream) = context.streams().best(ffmpeg::media::Type::Video) {
+				println!("Best video stream index: {}", stream.index());
+			}
+		
+			if let Some(stream) = context.streams().best(ffmpeg::media::Type::Audio) {
+				println!("Best audio stream index: {}", stream.index());
+			}
+		
+			if let Some(stream) = context.streams().best(ffmpeg::media::Type::Subtitle) {
+				println!("Best subtitle stream index: {}", stream.index());
+			}
+		
+			for stream in context.streams() {
+				println!("stream index {}:", stream.index());
+				println!("\ttime_base: {}", stream.time_base());
+				println!("\tstart_time: {}", stream.start_time());
+				println!("\tduration: {}", stream.duration());
+				println!("\tframes: {}", stream.frames());
+				println!("\tdisposition: {:?}", stream.disposition());
+				println!("\tdiscard: {:?}", stream.discard());
+				println!("\tframe_rate: {}", stream.frame_rate());
+		
+				let codec = stream.codec();
+				println!("\tmedium: {:?}", codec.medium());
+				println!("\tid: {:?}", codec.id());
+		
+				if codec.medium() == ffmpeg::media::Type::Video {
+					if let Ok(video) = codec.decoder().video() {
+						println!("\tbit_rate: {}", video.bit_rate());
+						println!("\tdelay: {}", video.delay());
+						println!("\tvideo.width: {}", video.width());
+						println!("\tvideo.height: {}", video.height());
+						println!("\tvideo.format: {:?}", video.format());
+						println!("\tvideo.has_b_frames: {}", video.has_b_frames());
+						println!("\tvideo.aspect_ratio: {}", video.aspect_ratio());
+						println!("\tvideo.color_space: {:?}", video.color_space());
+						println!("\tvideo.color_range: {:?}", video.color_range());
+						println!("\tvideo.color_primaries: {:?}", video.color_primaries());
+						println!("\tvideo.color_transfer_characteristic: {:?}", video.color_transfer_characteristic());
+						println!("\tvideo.chroma_location: {:?}", video.chroma_location());
+						println!("\tvideo.references: {}", video.references());
+						println!("\tvideo.intra_dc_precision: {}", video.intra_dc_precision());
+					}
+				}
+				else if codec.medium() == ffmpeg::media::Type::Audio {
+					if let Ok(audio) = codec.decoder().audio() {
+						println!("\tbit_rate: {}", audio.bit_rate());
+						println!("\tdelay: {}", audio.delay());
+						println!("\taudio.rate: {}", audio.rate());
+						println!("\taudio.channels: {}", audio.channels());
+						println!("\taudio.format: {:?}", audio.format());
+						println!("\taudio.frames: {}", audio.frames());
+						println!("\taudio.align: {}", audio.align());
+						println!("\taudio.channel_layout: {:?}", audio.channel_layout());
+						println!("\taudio.max_rate: {}", audio.max_rate());
+						println!("\taudio.frame_start: {:?}", audio.frame_start());
+					}
+				}
+			}
 
-		match ffmpeg::format::open_input(&path) {
-			Ok(context) => print_metadata(&context),
-			Err(error)  => println!("error: {}", error),
 		}
-	}
-	else {
-		println!("Usage: metadata <path>")
+
+		Err(error) =>
+			println!("error: {}", error)
 	}
 }