1 files changed, 11 insertions, 7 deletions
diff --git a/remuxer/src/trim_writer.rs b/remuxer/src/trim_writer.rs
index 65d3589..bed90e7 100644
--- a/remuxer/src/trim_writer.rs
+++ b/remuxer/src/trim_writer.rs
@@ -4,7 +4,7 @@ use std::{
 };
 
 use anyhow::anyhow;
-use log::warn;
+use log::{trace, warn};
 
 pub struct TrimWriter<W> {
     inner: W,
@@ -36,12 +36,16 @@ impl<W: Write> Write for TrimWriter<W> {
             ));
         }
 
-        let buf = &buf[start..end];
-        if !buf.is_empty() {
-            self.inner.write_all(buf)?;
-            self.position += buf.len()
-        }
-        Ok(buf.len())
+        let tbuf = &buf[start..end];
+        Ok(if !tbuf.is_empty() {
+            trace!("trim={start}..{end} avail={}", buf.len());
+            let sz = self.inner.write(tbuf)?;
+            self.position += sz;
+            sz
+        } else {
+            trace!("skip={}", buf.len());
+            buf.len()
+        })
     }
 
     fn flush(&mut self) -> std::io::Result<()> {