From 013109796d6fd8972c18488d6987b8a661f7901b Mon Sep 17 00:00:00 2001
From: ziyue <1213642868@qq.com>
Date: Tue, 29 Jun 2021 17:53:26 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A1=AE=E4=BF=9D=E7=BA=BF=E7=A8=8B=E5=AE=89?=
 =?UTF-8?q?=E5=85=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 player/AudioSRC.cpp | 4 +++-
 player/AudioSRC.h   | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/player/AudioSRC.cpp b/player/AudioSRC.cpp
index cb091c46..2af4433f 100644
--- a/player/AudioSRC.cpp
+++ b/player/AudioSRC.cpp
@@ -113,6 +113,7 @@ int AudioPlayer::getPCMChannel() {
 }
 
 int AudioPlayer::getPCMData(char *buf, int size) {
+    lock_guard<mutex> lck(_mtx);
     if (_buffer.size() < size) {
         return 0;
     }
@@ -121,6 +122,7 @@ int AudioPlayer::getPCMData(char *buf, int size) {
     return size;
 }
 
-void AudioPlayer::inputFrame(const char *data, size_t size){
+void AudioPlayer::inputFrame(const char *data, size_t size) {
+    lock_guard<mutex> lck(_mtx);
     _buffer.append(data, size);
 }
diff --git a/player/AudioSRC.h b/player/AudioSRC.h
index 54324847..1b552d09 100644
--- a/player/AudioSRC.h
+++ b/player/AudioSRC.h
@@ -79,6 +79,7 @@ private:
 private:
     int _sample_rate, _channel;
     SDL_AudioFormat _format;
+    mutex _mtx;
     BufferLikeString _buffer;
     SDLAudioDevice::Ptr _device;
 };