change transcode bitrates and ensure even height for transcoding

1 files changed, 5 insertions, 4 deletions

diff --git a/transcoder/src/fragment.rs b/transcoder/src/fragment.rs
index 3be7d39..7c5cadd 100644
--- a/transcoder/src/fragment.rs
+++ b/transcoder/src/fragment.rs
@@ -38,9 +38,9 @@ pub async fn transcode(
     .unwrap_or("ffmpeg %a".to_owned());
 
     let filter = match kind {
-        TrackKind::Video => format!("-vf scale={}:-1", format.width.unwrap()),
-        TrackKind::Audio => String::new(),
-        TrackKind::Subtitle => String::new(),
+        TrackKind::Video => "-vf scale=%w:%h",
+        TrackKind::Audio => "",
+        TrackKind::Subtitle => "",
     };
     let typechar = match kind {
         TrackKind::Video => "v",
@@ -61,8 +61,9 @@ pub async fn transcode(
         .replace("%a", "-hide_banner %i %f %e %o")
         .replace("%i", "-f matroska -i pipe:0 -copyts")
         .replace("%o", "-f matroska pipe:1")
-        .replace("%w", &format.width.unwrap_or_default().to_string())
         .replace("%f", &filter)
+        .replace("%w", &format.width.unwrap_or_default().to_string())
+        .replace("%h", &format.height.unwrap_or_default().to_string())
         .replace("%e", "-c:%t %c -b:%t %r")
         .replace("%t", typechar)
         .replace("%c", fallback_encoder)