Reduce margin, update changelog

CHANGELOG.md

@@ -18,6 +18,7 @@ New features:
 - Add `debug` feature for extra logging.
 - Improve validation of filters.
 - Setting to enable retry on reads from Alsa capture devices.
+- Avoid blocking reads on Alsa capture devices (helps avoiding driver bugs for some devices).
 
 Bugfixes:
 - Don't block playback for CoreAudio/Wasapi if there is no data in time.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "camilladsp"
-version = "0.5.0"
+version = "0.5.0-beta5"
 authors = ["Henrik Enquist <[email protected]>"]
 description = "A flexible tool for processing audio"
 

src/alsadevice.rs

@@ -157,9 +157,9 @@ fn capture_buffer(
                     frames,
                     frames_to_read
                 );
-                // Let's wait for more frames, with 20% plus 1 ms of margin
+                // Let's wait for more frames, with 10% plus 1 ms of margin
                 thread::sleep(Duration::from_millis(
-                    (1 + (1200 * (frames_to_read - frames as usize)) / samplerate) as u64,
+                    (1 + (1100 * (frames_to_read - frames as usize)) / samplerate) as u64,
                 ));
                 if (pcmdevice.avail().unwrap_or(0) as usize) < frames_to_read {
                     // Still not enough,