feat: add ability to choose video codec

src/ffmpeg.rs

@@ -39,6 +39,23 @@ pub struct VideoMeta {
     pub duration_us: usize,
 }
 
+#[derive(Default, Clone, Copy)]
+pub enum Codec {
+    AV1,
+    #[default]
+    VP9,
+}
+
+impl From<String> for Codec {
+    fn from(value: String) -> Self {
+        match value.as_str() {
+            "AV1" => Self::AV1,
+            "VP9" => Self::VP9,
+            _ => Default::default(),
+        }
+    }
+}
+
 pub async fn get_video_meta(path: &Path) -> Result<VideoMeta> {
     let output = Command::new("ffprobe")
         .args([
@@ -74,25 +91,26 @@ pub async fn get_video_meta(path: &Path) -> Result<VideoMeta> {
     })
 }
 
-pub async fn convert_video(path: &Path, sender: Sender<ProgressMessage>) -> Result<PathBuf> {
+pub async fn convert_video(
+    path: &Path,
+    out_filename: Option<String>,
+    out_codec: Codec,
+    merge_tracks: bool,
+    sender: Sender<ProgressMessage>,
+) -> Result<PathBuf> {
     let out_path = PathBuf::from("/tmp/out.webm");
 
+    let codec_args: &[&str] = match out_codec {
+        Codec::AV1 => &["-c:v", "libsvtav1"],
+        Codec::VP9 => &["-c:v", "libvpx-vp9", "-row-mt", "1"],
+    };
+
     let mut child = Command::new("ffmpeg")
         .arg("-i")
         .arg(path)
-        .args([
-            "-c:a",
-            "libopus",
-            "-b:a",
-            "96k",
-            "-c:v",
-            "libsvtav1",
-            "-loglevel",
-            "error",
-            "-progress",
-            "-",
-            "-nostats",
-        ])
+        .args(["-c:a", "libopus", "-b:a", "96k"])
+        .args(codec_args)
+        .args(["-loglevel", "error", "-progress", "-", "-nostats"])
         .arg(&out_path)
         .stdout(Stdio::piped())
         .spawn()?;