3 files changed, 37 insertions, 22 deletions

diff --git a/src/multimedia/audio/qaudio.cpp b/src/multimedia/audio/qaudio.cpp
index d4f89e898..dea9a05a5 100644
--- a/src/multimedia/audio/qaudio.cpp
+++ b/src/multimedia/audio/qaudio.cpp
@@ -79,13 +79,18 @@ Q_CONSTRUCTOR_FUNCTION(qRegisterAudioMetaTypes)
 /*!
     \enum QAudio::State
 
-    \value ActiveState     Audio data is being processed, this state is set after start() is called
-                           and while audio data is available to be processed.
-    \value SuspendedState  The audio device is in a suspended state, this state will only be entered
-                           after suspend() is called.
-    \value StoppedState    The audio device is closed, and is not processing any audio data
-    \value IdleState       The QIODevice passed in has no data and audio system's buffer is empty, this state
-                           is set after start() is called and while no audio data is available to be processed.
+    \value ActiveState       Audio data is being processed, this state is set after start() is called
+                             and while audio data is available to be processed.
+    \value SuspendedState    The audio stream is in a suspended state.  Entered after suspend() is called
+                             or when another stream takes control of the audio device.  In the later case,
+                             a call to resume will return control of the audio device to this stream.  This
+                             should usually only be done upon user request.
+    \value StoppedState      The audio device is closed, and is not processing any audio data
+    \value IdleState         The QIODevice passed in has no data and audio system's buffer is empty, this state
+                             is set after start() is called and while no audio data is available to be processed.
+    \value InterruptedState  This stream is in a suspended state because another higher priority stream currently
+                             has control of the audio device.  Playback cannot resume until the higher priority
+                             stream relinquishes control of the audio device.
 */
 
 /*!
@@ -285,6 +290,9 @@ QDebug operator<<(QDebug dbg, QAudio::State state)
         case QAudio::IdleState:
             dbg << "IdleState";
             break;
+        case QAudio::InterruptedState:
+            dbg << "InterruptedState";
+            break;
     }
     return dbg;
 }
diff --git a/src/multimedia/audio/qaudio.h b/src/multimedia/audio/qaudio.h
index 1c38e9f35..2603d71d1 100644
--- a/src/multimedia/audio/qaudio.h
+++ b/src/multimedia/audio/qaudio.h
@@ -55,7 +55,7 @@ class QString;
 namespace QAudio
 {
     enum Error { NoError, OpenError, IOError, UnderrunError, FatalError };
-    enum State { ActiveState, SuspendedState, StoppedState, IdleState };
+    enum State { ActiveState, SuspendedState, StoppedState, IdleState, InterruptedState };
     enum Mode { AudioInput, AudioOutput };
 
     enum Role {
diff --git a/src/multimedia/audio/qsoundeffect_pulse_p.cpp b/src/multimedia/audio/qsoundeffect_pulse_p.cpp
index 1e9204598..bf647ea1f 100644
--- a/src/multimedia/audio/qsoundeffect_pulse_p.cpp
+++ b/src/multimedia/audio/qsoundeffect_pulse_p.cpp
@@ -73,20 +73,23 @@ inline pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format)
 
     spec.rate = format.sampleRate();
     spec.channels = format.channelCount();
-
-    if (format.sampleSize() == 8)
-        spec.format = PA_SAMPLE_U8;
-    else if (format.sampleSize() == 16) {
-        switch (format.byteOrder()) {
-            case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S16BE; break;
-            case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S16LE; break;
-        }
-    }
-    else if (format.sampleSize() == 32) {
-        switch (format.byteOrder()) {
-            case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S32BE; break;
-            case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S32LE; break;
+    spec.format = PA_SAMPLE_INVALID;
+    const bool isBigEndian = (format.byteOrder() == QAudioFormat::BigEndian);
+
+    if (format.sampleType() == QAudioFormat::UnSignedInt) {
+        if (format.sampleSize() == 8)
+            spec.format = PA_SAMPLE_U8;
+    } else if (format.sampleType() == QAudioFormat::SignedInt) {
+        if (format.sampleSize() == 16) {
+            spec.format = isBigEndian ? PA_SAMPLE_S16BE : PA_SAMPLE_S16LE;
+        } else if (format.sampleSize() == 24) {
+            spec.format = isBigEndian ? PA_SAMPLE_S24BE : PA_SAMPLE_S24LE;
+        } else if (format.sampleSize() == 32) {
+            spec.format = isBigEndian ? PA_SAMPLE_S32BE : PA_SAMPLE_S32LE;
         }
+    } else if (format.sampleType() == QAudioFormat::Float) {
+        if (format.sampleSize() == 32)
+            spec.format = isBigEndian ? PA_SAMPLE_FLOAT32BE : PA_SAMPLE_FLOAT32LE;
     }
 
     return spec;
@@ -190,7 +193,11 @@ private Q_SLOTS:
 
         pa_context_set_state_callback(m_context, context_state_callback, this);
 
-        if (pa_context_connect(m_context, 0, (pa_context_flags_t)0, 0) < 0) {
+        const QByteArray srvStrEnv = qgetenv("QT_PULSE_SERVER_STRING");
+        const char *srvStr = srvStrEnv.isNull() ? 0 : srvStrEnv.constData();
+        pa_context_flags_t flags = qEnvironmentVariableIsSet("QT_PULSE_NOAUTOSPAWN") ? PA_CONTEXT_NOAUTOSPAWN : (pa_context_flags_t)0;
+
+        if (pa_context_connect(m_context, srvStr, flags, 0) < 0) {
             qWarning("PulseAudioService: pa_context_connect() failed");
             pa_context_unref(m_context);
             unlock();