fixed alsa buffer underrun

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@879 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 12 insertions, 0 deletions

diff --git a/src/plugins/Output/alsa/outputalsa.cpp b/src/plugins/Output/alsa/outputalsa.cpp
index 63922ead1..5e9c02938 100644
--- a/src/plugins/Output/alsa/outputalsa.cpp
+++ b/src/plugins/Output/alsa/outputalsa.cpp
@@ -48,6 +48,7 @@ OutputALSA::OutputALSA(QObject * parent)
     m_prebuf = 0;
     m_prebuf_size = 0;
     m_prebuf_fill = 0;
+    m_pause = FALSE;
 }
 
 OutputALSA::~OutputALSA()
@@ -225,6 +226,17 @@ qint64 OutputALSA::latency()
     return m_prebuf_fill * 8000 / sampleRate() / numChannels() / sampleSize();
 }
 
+void OutputALSA::pause()
+{
+    m_pause = !m_pause;
+    if (m_pause && pcm_handle)
+    {
+        snd_pcm_drop(pcm_handle);
+        snd_pcm_prepare(pcm_handle);
+    }
+    Output::pause();
+}
+
 qint64 OutputALSA::writeAudio(unsigned char *data, qint64 maxSize)
 {
     //increase buffer size if needed