android: add a driver for android

4 files changed, 127 insertions, 2 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 15c2c42..753c381 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -89,6 +89,8 @@ COREAUDIO_DIST = device_coreaudio.cpp \
 		device_coreaudio.h
 endif
 
+ANDROIDAUDIO_DIST = device_android.cpp device_android.h
+
 # Automake blows.
 # A lot.
 if HAVE_LIBCDAUDIO
@@ -130,8 +132,8 @@ EXTRA_DIST = \
 	$(LIBCDAUDIO_DIST) $(WINCDAUDIO_DIST) $(NULLCDAUDIO_DIST) \
 	$(FLAC_DIST) $(DUMB_DIST) $(OGG_DIST) $(SPEEX_DIST) $(AL_DIST) \
 	$(OSS_DIST) $(DSOUND_DIST) $(WINMM_DIST) $(COREAUDIO_DIST) \
-	$(ALSA_DIST) $(NEXUS_DIST) $(ZTE_DIST) $(MIDI_DIST) $(THREADS_DIST) \
-	$(EXTERN_DIST)
+	$(ALSA_DIST) $(NEXUS_DIST) $(ZTE_DIST) $(ANDROIDAUDIO_DIST) \
+	$(MIDI_DIST) $(THREADS_DIST) $(EXTERN_DIST)
 
 libaudiere_la_SOURCES = \
 	$(MIDI_SOURCES) \
diff --git a/src/device.cpp b/src/device.cpp
index db3d1ba..ec0a0d6 100644
--- a/src/device.cpp
+++ b/src/device.cpp
@@ -56,6 +56,10 @@
   #include "device_coreaudio.h"
 #endif
 
+#ifdef HAVE_GAME_LAUNCHER
+  #include "device_android.h"
+#endif
+
 namespace audiere {
 
   AbstractDevice::AbstractDevice() {
@@ -168,6 +172,9 @@ namespace audiere {
       "directsound:DirectSound (high-performance)"  ";"
       "winmm:Windows Multimedia (compatible)"  ";"
 #else
+#ifdef HAVE_GAME_LAUNCHER
+      "android:Android Audio Driver" ";"
+#endif
 #ifdef HAVE_ALSA
       "alsa:Advance Linux Sound Architecture"  ";"
 #endif
@@ -256,6 +263,7 @@ namespace audiere {
 	TRY_GROUP("extern");
 	TRY_GROUP("zte");
         TRY_GROUP("alsa");
+	TRY_GROUP("android");
         TRY_GROUP("nexus");
         TRY_GROUP("oss");
         TRY_GROUP("coreaudio");
@@ -325,6 +333,13 @@ namespace audiere {
 	}
       #endif
 
+      #ifdef HAVE_GAME_LAUNCHER
+	if (name == "android") {
+	  TRY_DEVICE(AndroidAudioDevice);
+	  return 0;
+	}
+      #endif
+
       if (name == "null") {
         TRY_DEVICE(NullAudioDevice);
         return 0;
diff --git a/src/device_android.cpp b/src/device_android.cpp
new file mode 100644
index 0000000..0c6d330
--- /dev/null
+++ b/src/device_android.cpp
@@ -0,0 +1,72 @@
+#include <algorithm>
+#include <string>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "device_android.h"
+#include "debug.h"
+
+
+namespace audiere {
+
+  AndroidAudioDevice*
+  AndroidAudioDevice::create(const ParameterList& parameters) {
+    int ret = awAudioInit(44100, 2, 16);
+    if (ret < 0)
+      return 0;
+    return new AndroidAudioDevice(44100, 2048);
+  }
+
+
+  AndroidAudioDevice::AndroidAudioDevice(int rate, int buffer_size)
+    : MixerDevice(rate), m_rate(rate)
+  {
+    m_buffer_size = buffer_size;
+    m_buffer = new char [buffer_size];
+    awAudioSetReadCallback(dataReadCallback, this);
+  }
+
+
+  AndroidAudioDevice::~AndroidAudioDevice() {
+    ADR_GUARD("AndroidAudioDevice::~AndroidAudioDevice");
+
+    awAudioSetReadCallback(0, 0);
+    delete [] m_buffer;
+  }
+
+
+  void
+  AndroidAudioDevice::dataReadCallback(void* arg) {
+    AndroidAudioDevice* device = static_cast<AndroidAudioDevice*>(arg);
+    if (!device)
+      return;
+    device->writeData();
+  }
+
+  void
+  AndroidAudioDevice::writeData() {
+    int           sample_len;
+    size_t        sample_left;
+    char*         sample_buf;
+
+    sample_buf = m_buffer;
+    sample_len = m_buffer_size / 4;
+
+    sample_left = read(sample_len, sample_buf);
+    if (sample_left)
+      awAudioWrite((void*)sample_buf, sample_left * 4);
+  }
+
+  void
+  AndroidAudioDevice::update() {
+    AI_Sleep(10);
+  }
+
+  const char* ADR_CALL
+  AndroidAudioDevice::getName() {
+    return "android";
+  }
+
+}
diff --git a/src/device_android.h b/src/device_android.h
new file mode 100644
index 0000000..aa28e1c
--- /dev/null
+++ b/src/device_android.h
@@ -0,0 +1,36 @@
+#ifndef DEVICE_ANDROID_H
+#define DEVICE_ANDROID_H
+
+
+#include "audiere.h"
+#include "device_mixer.h"
+
+#include "GameAudio.h"
+
+namespace audiere {
+
+  class AndroidAudioDevice : public MixerDevice {
+  public:
+    static AndroidAudioDevice* create(const ParameterList& parameters);
+
+  private:
+    AndroidAudioDevice(int rate, int buffer_size);
+    ~AndroidAudioDevice();
+
+  public:
+    void ADR_CALL update();
+    const char* ADR_CALL getName();
+
+  private:
+    int m_buffer_size;
+    char* m_buffer;
+    int m_rate;
+
+    void writeData();
+    static void dataReadCallback(void*);
+  };
+
+}
+
+
+#endif