feat: add convenience methods for extracting audio only

README.md

@@ -40,8 +40,7 @@ use ytd_rs::YtDlp;
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     YtDlp::new("https://www.youtube.com/watch?v=uTO0KnDsVH0")
-        .extract_audio(true)
+        .extract_audio_only("mp3")
-        .audio_format("mp3")
         .download()
         .await?;
     Ok(())

src/lib.rs

@@ -150,6 +150,11 @@ impl YtDlp {
         self.arg_with("--audio-format", format)
     }
 
+    /// Configures yt-dlp to download only the best audio and extract it to the given format (e.g., "mp3").
+    pub fn extract_audio_only(self, format: impl Into<String>) -> Self {
+        self.best_audio().extract_audio(true).audio_format(format)
+    }
+
     /// Convenience method for --output template.
     pub fn output_template(self, template: impl Into<String>) -> Self {
         self.arg_with("--output", template)
@@ -165,6 +170,11 @@ impl YtDlp {
         self.format("bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best")
     }
 
+    /// Select the best quality audio only.
+    pub fn best_audio(self) -> Self {
+        self.format("bestaudio/best")
+    }
+
     /// Path to a cookies file.
     pub fn cookies(self, path: impl Into<String>) -> Self {
         self.arg_with("--cookies", path)