From 8cf2226b05197a3003328c2cc960830bf4bc5f7a Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 20 Sep 2014 12:15:31 +0200
Subject: Free resources in soundplayer

---
 src/soundplayer.cc | 20 +++++++++++++-------
 src/soundplayer.h  |  3 ++-
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/soundplayer.cc b/src/soundplayer.cc
index 6aea2bf..9802d1b 100644
--- a/src/soundplayer.cc
+++ b/src/soundplayer.cc
@@ -33,6 +33,7 @@
 #define BUFSZ 512
 
 SoundPlayer::SoundPlayer()
+  : sem_write(1)
 {
   start();
 }
@@ -63,7 +64,7 @@ void SoundPlayer::run()
 
   short s[BUFSZ];
   while(running) {
-    sem.acquire();
+    sem_read.acquire();
 
     char *pcm;
     size_t size;
@@ -74,11 +75,13 @@ void SoundPlayer::run()
       size = qi.size;
     }
 
+    sem_write.release();
+
     printf("."); fflush(stdout);
 
     ao_play(dev, pcm, size);
 
-    //free(pcm);
+    free(pcm);
 
     /*
     memset(s, 0, BUFSZ * sizeof(short));
@@ -113,11 +116,14 @@ void SoundPlayer::run()
 
 void SoundPlayer::playSamples(const char *pcm, size_t size)
 {
-  QMutexLocker lock(&mutex);
+  sem_write.acquire();
 
-  qi.pcm = (char*)malloc(size);
-  memcpy(qi.pcm, pcm, size);
-  qi.size = size;
+  {
+    QMutexLocker lock(&mutex);
+    qi.pcm = (char*)malloc(size);
+    memcpy(qi.pcm, pcm, size);
+    qi.size = size;
+  }
 
-  sem.release();
+  sem_read.release();
 }
diff --git a/src/soundplayer.h b/src/soundplayer.h
index 28c0cf8..9a1e811 100644
--- a/src/soundplayer.h
+++ b/src/soundplayer.h
@@ -54,7 +54,8 @@ public:
 private:
   volatile bool running;
   QMutex mutex;
-  QSemaphore sem;
+  QSemaphore sem_read;
+  QSemaphore sem_write;
 
   QueueItem qi;
 
-- 
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