From efb7637b00b4c549c1125493de474329d6f88f40 Mon Sep 17 00:00:00 2001
From: skyjake <skyjake@users.sf.net>
Date: Tue, 6 Nov 2012 21:05:52 +0200
Subject: [PATCH] FluidSynth|Unix: Use the pulseaudio driver by default

When using the system libfluidsynth, by default use pulseaudio as the
output driver.
---
 doomsday/plugins/fluidsynth/fluidsynth.pro    | 26 +++++++++----------
 .../fluidsynth/include/driver_fluidsynth.h    |  1 +
 .../fluidsynth/src/driver_fluidsynth.cpp      | 22 ++++++++++++++++
 .../fluidsynth/src/fluidsynth_music.cpp       |  7 +++++
 4 files changed, 42 insertions(+), 14 deletions(-)

diff --git a/doomsday/plugins/fluidsynth/fluidsynth.pro b/doomsday/plugins/fluidsynth/fluidsynth.pro
index c1383b7d72..b1df0744a6 100644
--- a/doomsday/plugins/fluidsynth/fluidsynth.pro
+++ b/doomsday/plugins/fluidsynth/fluidsynth.pro
@@ -35,10 +35,22 @@ unix:!macx {
     target.path = $$DENG_PLUGIN_LIB_DIR
 }
 
+INCLUDEPATH += include
+
+HEADERS += \
+    include/driver_fluidsynth.h \
+    include/fluidsynth_music.h \
+    include/version.h
+
+SOURCES += \
+    src/driver_fluidsynth.cpp \
+    src/fluidsynth_music.cpp
+
 # libfluidsynth config ------------------------------------------------------
 
 !deng_embedfluidsynth {
     include(../../dep_fluidsynth.pri)
+    DEFINES += FLUIDSYNTH_DEFAULT_DRIVER_NAME=\"\\\"pulseaudio\\\"\"
 }
 
 deng_embedfluidsynth {
@@ -66,20 +78,6 @@ unix {
         HAVE_NETINET_TCP_H HAVE_FCNTL_H HAVE_ERRNO_H
 }
 
-# Sources -------------------------------------------------------------------
-
-INCLUDEPATH += include
-
-HEADERS += \
-    include/driver_fluidsynth.h \
-    include/fluidsynth_music.h \
-    include/version.h
-
-SOURCES += \
-    src/driver_fluidsynth.cpp \
-    src/fluidsynth_music.cpp
-
-# libfluidsynth
 FS_DIR = ../../external/fluidsynth
 
 INCLUDEPATH += \
diff --git a/doomsday/plugins/fluidsynth/include/driver_fluidsynth.h b/doomsday/plugins/fluidsynth/include/driver_fluidsynth.h
index b94f753e5d..b836fbdf92 100644
--- a/doomsday/plugins/fluidsynth/include/driver_fluidsynth.h
+++ b/doomsday/plugins/fluidsynth/include/driver_fluidsynth.h
@@ -43,6 +43,7 @@ int     DS_Set(int prop, const void* ptr);
 }
 
 fluid_synth_t* DMFluid_Synth();
+fluid_audio_driver_t* DMFluid_Driver();
 audiointerface_sfx_generic_t* DMFluid_Sfx();
 
 #ifdef DENG_DSFLUIDSYNTH_DEBUG
diff --git a/doomsday/plugins/fluidsynth/src/driver_fluidsynth.cpp b/doomsday/plugins/fluidsynth/src/driver_fluidsynth.cpp
index 7df512737b..b874a198a3 100644
--- a/doomsday/plugins/fluidsynth/src/driver_fluidsynth.cpp
+++ b/doomsday/plugins/fluidsynth/src/driver_fluidsynth.cpp
@@ -29,6 +29,7 @@
 static fluid_settings_t* fsConfig;
 static fluid_synth_t* fsSynth;
 static audiointerface_sfx_t* fsSfx;
+static fluid_audio_driver_t* fsDriver;
 
 fluid_synth_t* DMFluid_Synth()
 {
@@ -36,6 +37,11 @@ fluid_synth_t* DMFluid_Synth()
     return fsSynth;
 }
 
+fluid_audio_driver_t* DMFluid_Driver()
+{
+    return fsDriver;
+}
+
 audiointerface_sfx_generic_t* DMFluid_Sfx()
 {
     DENG_ASSERT(fsSfx != 0);
@@ -64,6 +70,18 @@ int DS_Init(void)
         return false;
     }
 
+#ifndef FLUIDSYNTH_NOT_A_DLL
+    // Create the output driver that will play the music.
+    const char* driverName = FLUIDSYNTH_DEFAULT_DRIVER_NAME;
+    fluid_settings_setstr(fsConfig, "audio.driver", driverName);
+    fsDriver = new_fluid_audio_driver(fsConfig, fsSynth);
+    if(!fsDriver)
+    {
+        Con_Message("Failed to create FluidSynth audio driver '%s'.\n", driverName);
+        return false;
+    }
+#endif
+
     DSFLUIDSYNTH_TRACE("DS_Init: FluidSynth initialized.");
     return true;
 }
@@ -79,6 +97,10 @@ void DS_Shutdown(void)
 
     DSFLUIDSYNTH_TRACE("DS_Shutdown.");
 
+    if(fsDriver)
+    {
+        delete_fluid_audio_driver(fsDriver);
+    }
     delete_fluid_synth(fsSynth);
     delete_fluid_settings(fsConfig);
 
diff --git a/doomsday/plugins/fluidsynth/src/fluidsynth_music.cpp b/doomsday/plugins/fluidsynth/src/fluidsynth_music.cpp
index 27dcfa6646..022c2f0df2 100644
--- a/doomsday/plugins/fluidsynth/src/fluidsynth_music.cpp
+++ b/doomsday/plugins/fluidsynth/src/fluidsynth_music.cpp
@@ -238,6 +238,7 @@ static int streamOutSamples(sfxbuffer_t* buf, void* data, unsigned int size)
 
 static void startWorker()
 {
+    DENG_ASSERT(DMFluid_Driver() == NULL);
     DENG_ASSERT(worker == NULL);
 
     workerShouldStop = false;
@@ -249,6 +250,8 @@ static void startWorker()
  */
 static void startPlayer()
 {
+    if(DMFluid_Driver()) return;
+
     DENG_ASSERT(!worker);
     DENG_ASSERT(sfxBuf == NULL);
 
@@ -278,6 +281,8 @@ static void startPlayer()
 
 static void stopWorker()
 {
+    DENG_ASSERT(DMFluid_Driver() == NULL);
+
     if(worker)
     {
         DSFLUIDSYNTH_TRACE("stopWorker: Stopping thread " << worker);
@@ -292,6 +297,8 @@ static void stopWorker()
 
 static void stopPlayer()
 {
+    if(DMFluid_Driver()) return;
+
     DSFLUIDSYNTH_TRACE("stopPlayer: fsPlayer " << fsPlayer);
 
     if(!fsPlayer) return;