Merge pull request #302 from alnitak/seekBuffer

fix seek on buffer #296

Author: alnitak

.vscode/launch.json

@@ -8,7 +8,7 @@
             "name": "Flutter debug",
             "type": "dart",
             "request": "launch",
-            "program": "lib/buffer_stream/web_radio.dart",
+            "program": "lib/buffer_stream/websocket.dart",
             "flutterMode": "debug",
             // "env": {
             //     "NO_OPUS_OGG_LIBS": "1"

.vscode/tasks.json

@@ -9,7 +9,7 @@
         },
         {
             "label": "compile linux debug",
-            "command": "cd ${workspaceFolder}/example; flutter build linux -t lib/buffer_stream/web_radio.dart --debug",
+            "command": "cd ${workspaceFolder}/example; flutter build linux -t lib/buffer_stream/websocket.dart --debug",
             "type": "shell"
         },
         {

CHANGELOG.md

@@ -1,3 +1,6 @@
+#### 3.3.3 (4 Sep 2025)
+- fix seek a buffer stream actually seeks at half the wanted position #296
+
 #### 3.3.2 (3 Sep 2025)
 - fixed stuttering with MP3 streams #301
 - fixed a Web bug when compiling with WASM in release mode.

example/pubspec.lock

@@ -132,7 +132,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "3.3.0"
+    version: "3.3.2"
   flutter_test:
     dependency: "direct dev"
     description: flutter

pubspec.yaml

@@ -3,7 +3,7 @@ description: >-
   A low-level audio plugin for Flutter,
   mainly meant for games and immersive apps.
   Based on the SoLoud (C++) audio engine.
-version: 3.3.2
+version: 3.3.3
 homepage: https://github.com/alnitak/flutter_soloud
 maintainer: Marco Bavagnoli (@lildeimos)
 platforms:

src/audiobuffer/audiobuffer.cpp

@@ -152,7 +152,7 @@ namespace SoLoud
 			}
 			offset = aSeconds;
 		}
-		long samples_to_discard = (long)floor(mBaseSamplerate * offset);
+		long samples_to_discard = (long)floor(mBaseSamplerate * offset * mChannels);
 
 		while (samples_to_discard)
 		{
@@ -162,7 +162,7 @@ namespace SoLoud
 			getAudio(mScratch, samples, samples);
 			samples_to_discard -= samples;
 		}
-		int pos = (int)floor(mBaseSamplerate * aSeconds);
+		int pos = (int)floor(mBaseSamplerate * mChannels * aSeconds);
 		mOffset = pos;
 		mStreamPosition = float(pos / mBaseSamplerate);
 		return SO_NO_ERROR;