From a92834de42757d4493d1f2385794d3f1f3eed6d0 Mon Sep 17 00:00:00 2001
From: Vasilii Milovidov <vasily.milovidov@gmail.com>
Date: Wed, 20 Sep 2023 02:31:04 +0400
Subject: [PATCH] sample reverse

---
 packages/desktopbridge/webaudiobridge.mjs |  1 +
 src-tauri/src/superdough.rs               | 31 ++++++++++++++++-------
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/packages/desktopbridge/webaudiobridge.mjs b/packages/desktopbridge/webaudiobridge.mjs
index e047e62e9..491245906 100644
--- a/packages/desktopbridge/webaudiobridge.mjs
+++ b/packages/desktopbridge/webaudiobridge.mjs
@@ -70,6 +70,7 @@ export const desktopAudio = async (value, deadline, hapDuration) => {
     bpenv = 1,
   } = value;
 
+  console.log(begin);
   value.duration = hapDuration;
   if (isNote(note)) {
     note = noteToMidi(note);
diff --git a/src-tauri/src/superdough.rs b/src-tauri/src/superdough.rs
index 189ff803a..50aa84b74 100644
--- a/src-tauri/src/superdough.rs
+++ b/src-tauri/src/superdough.rs
@@ -109,16 +109,29 @@ pub fn superdough(message: &WebAudioMessage, context: &mut AudioContext) {
                         }
                         src.stop_at(now + message.duration + message.adsr.release);
                     } else {
-                        src.start_at_with_offset_and_duration(
-                            now,
-                            message.begin * audio_buffer_duration,
-                            audio_buffer_duration / message.speed as f64,
-                        );
-                        apply_adsr(&env, message, now);
-                        for f in filters {
-                            apply_filter_adsr(&f, message, &f.type_(), now);
+                        if message.speed < 0.0 {
+                            src.start_at_with_offset_and_duration(
+                                now,
+                                (message.begin + 0.5) * audio_buffer_duration,
+                                audio_buffer_duration,
+                            );
+                            apply_adsr(&env, message, now);
+                            for f in filters {
+                                apply_filter_adsr(&f, message, &f.type_(), now);
+                            }
+                            src.stop_at(now + message.duration + 0.2);
+                        } else {
+                            src.start_at_with_offset_and_duration(
+                                now,
+                                message.begin * audio_buffer_duration ,
+                                audio_buffer_duration,
+                            );
+                            apply_adsr(&env, message, now);
+                            for f in filters {
+                                apply_filter_adsr(&f, message, &f.type_(), now);
+                            }
+                            src.stop_at(now + message.duration + message.adsr.release);
                         }
-                        src.stop_at(now + message.duration + 0.2);
                     }
                 }
                 Err(e) => eprintln!("Failed to open file: {:?}", e),