From b07e69620e1aca7ffcd9fb02a0fd2b62d81f58c2 Mon Sep 17 00:00:00 2001
From: axel10 <zgmf300@outlook.com>
Date: Fri, 22 May 2026 16:50:05 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=83=A8=E5=88=86flac?=
 =?UTF-8?q?=E6=92=AD=E6=94=BE=E5=88=B0=E6=9C=AB=E5=B0=BE=E4=B8=8D=E8=87=AA?=
 =?UTF-8?q?=E5=8A=A8=E5=81=9C=E6=AD=A2=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 Sources/CSFBAudioEngine/Decoders/SFBFLACDecoder.mm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Sources/CSFBAudioEngine/Decoders/SFBFLACDecoder.mm b/Sources/CSFBAudioEngine/Decoders/SFBFLACDecoder.mm
index 0ec8dd53..352f779c 100644
--- a/Sources/CSFBAudioEngine/Decoders/SFBFLACDecoder.mm
+++ b/Sources/CSFBAudioEngine/Decoders/SFBFLACDecoder.mm
@@ -446,6 +446,16 @@ - (BOOL)decodeIntoBuffer:(AVAudioPCMBuffer *)buffer frameLength:(AVAudioFrameCou
         return YES;
     }
 
+    if (_streamInfo.total_samples > 0) {
+        if (_framePosition >= static_cast<AVAudioFramePosition>(_streamInfo.total_samples)) {
+            return YES;
+        }
+        const auto framesRemaining = _streamInfo.total_samples - static_cast<uint64_t>(_framePosition);
+        if (framesRemaining < frameLength) {
+            frameLength = static_cast<AVAudioFrameCount>(framesRemaining);
+        }
+    }
+
     AVAudioFrameCount framesProcessed = 0;
 
     for (;;) {
@@ -501,6 +511,7 @@ - (BOOL)seekToFrame:(AVAudioFramePosition)frame error:(NSError **)error {
     }
 
     _framePosition = frame;
+    _frameBuffer.frameLength = 0;
     return YES;
 }