Add mutex to protect play methods and setplaymode method

2 files changed, 7 insertions, 0 deletions

diff --git a/dxr3device.c b/dxr3device.c
index bcbf70b..938388a 100644
--- a/dxr3device.c
+++ b/dxr3device.c
@@ -118,6 +118,8 @@ bool cDxr3Device::CanReplay() const
 
 bool cDxr3Device::SetPlayMode(ePlayMode PlayMode)
 {
+    cMutexLock l(&mutex);
+
     dsyslog("[dxr3-device] setting playmode %d", PlayMode);
     uint32_t val;
 
@@ -216,6 +218,8 @@ bool cDxr3Device::Poll(cPoller &Poller, int TimeoutMs)
 
 int cDxr3Device::PlayVideo(const uchar *Data, int Length)
 {
+    cMutexLock l(&mutex);
+
     cDxr3PesFrame frame;
     frame.parse(Data, Length);
     uint32_t pts = frame.GetPts();
@@ -246,6 +250,8 @@ int cDxr3Device::PlayVideo(const uchar *Data, int Length)
 
 int cDxr3Device::PlayAudio(const uchar *Data, int Length, uchar Id)
 {
+    cMutexLock l(&mutex);
+
     cDxr3PesFrame frame;
     frame.parse(Data, Length);
 
diff --git a/dxr3device.h b/dxr3device.h
index 49cf003..b056d08 100644
--- a/dxr3device.h
+++ b/dxr3device.h
@@ -107,6 +107,7 @@ private:
     void playBlackFrame();
     void playSilentAudio();
 
+    cMutex mutex;
     uchar *silentAudio;
     cDxr3AudioDecoder *aDecoder;
     cDxr3SpuDecoder* spuDecoder;