record: 2x gain on mp3 encode

1 files changed, 5 insertions, 0 deletions

diff --git a/src/recording/mod.rs b/src/recording/mod.rs
index 74ec516..d0a94be 100644
--- a/src/recording/mod.rs
+++ b/src/recording/mod.rs
@@ -217,6 +217,11 @@ pub async fn encode_mp3(pcm_s16le: &[u8], sample_rate: u32) -> Result<Vec<u8>> {
             "1",
             "-i",
             "pipe:0",
+            // Discord playback levels land quiet in recordings; 2x loudness.
+            // Output-side option, so it sits after `-i`. Clipping on loud
+            // overlaps is acceptable for voice.
+            "-af",
+            "volume=2.0",
             "-c:a",
             "libmp3lame",
             "-b:a",