Bug 568315 - Android support for media/libsydneyaudio, r=kinetik
authorMichael Wu <mwu@mozilla.com>
Thu, 03 Jun 2010 13:59:04 -0700
changeset 43067 cac6db5caec80fb1f3fbd926ad4338ff835a503b
parent 43066 1c416ab33c8e6cebc2c74d0f36cf76b5a0a6b2dd
child 43068 5153bb3533e61fb28f280ad45f6850d8669e490e
push id13601
push usermwu@mozilla.com
push dateThu, 03 Jun 2010 21:02:09 +0000
treeherdermozilla-central@cac6db5caec8 [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
reviewerskinetik
bugs568315
milestone1.9.3a5pre
first release with
nightly win64
cac6db5caec8 / 3.7a5pre / 20100603152324 / files
nightly linux32
nightly linux64
nightly mac
nightly win32
last release without
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
releases
nightly win64
Bug 568315 - Android support for media/libsydneyaudio, r=kinetik
media/libsydneyaudio/src/Makefile.in
media/libsydneyaudio/src/sydney_audio_android.c
media/libsydneyaudio/sydney_android.patch
media/libsydneyaudio/update.sh
--- a/media/libsydneyaudio/src/Makefile.in
+++ b/media/libsydneyaudio/src/Makefile.in
@@ -46,17 +46,21 @@ LIBRARY_NAME	= sydneyaudio
 FORCE_STATIC_LIB= 1
 
 ifneq (,$(filter DragonFly FreeBSD GNU GNU_% NetBSD OpenBSD,$(OS_ARCH)))
 CSRCS		= \
 		sydney_audio_oss.c \
 		$(NULL)
 endif
 
-ifeq ($(OS_ARCH),Linux)
+ifeq ($(OS_TARGET),Android)
+CSRCS		= \
+		sydney_audio_android.c \
+		$(NULL)
+else ifeq ($(OS_ARCH),Linux)
 CSRCS		= \
 		sydney_audio_alsa.c \
 		$(NULL)
 endif
 
 ifneq (,$(filter WINNT WINCE,$(OS_ARCH)))
 CSRCS		= \
 		sydney_audio_waveapi.c \
new file mode 100644
--- /dev/null
+++ b/media/libsydneyaudio/src/sydney_audio_android.c
@@ -0,0 +1,422 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Initial Developer of the Original Code is
+ * CSIRO
+ * Portions created by the Initial Developer are Copyright (C) 2007
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Michael Martin
+ *                 Michael Wu <mwu@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** *
+ */
+
+#include <stdlib.h>
+#include <jni.h>
+#include "sydney_audio.h"
+
+/* Android implementation based on sydney_audio_mac.c */
+
+/* android.media.AudioTrack */
+struct AudioTrack {
+  jclass    class;
+  jmethodID constructor;
+  jmethodID flush;
+  jmethodID pause;
+  jmethodID play;
+  jmethodID setvol;
+  jmethodID stop;
+  jmethodID write;
+  jmethodID getpos;
+};
+
+enum AudioTrackMode {
+  MODE_STATIC = 0,
+  MODE_STREAM = 1
+};
+
+/* android.media.AudioManager */
+enum AudioManagerStream {
+  STREAM_VOICE_CALL = 0,
+  STREAM_SYSTEM = 1,
+  STREAM_RING = 2,
+  STREAM_MUSIC = 3,
+  STREAM_ALARM = 4,
+  STREAM_NOTIFICATION = 5,
+  STREAM_DTMF = 8
+};
+
+/* android.media.AudioFormat */
+enum AudioFormatChannel {
+  CHANNEL_OUT_MONO = 4,
+  CHANNEL_OUT_STEREO = 12
+};
+
+enum AudioFormatEncoding {
+  ENCODING_PCM_16BIT = 2,
+  ENCODING_PCM_8BIT = 3
+};
+
+struct sa_stream {
+  jobject output_unit;
+
+  unsigned int rate;
+  unsigned int channels;
+  jclass at_class;
+};
+
+static struct AudioTrack at;
+extern JNIEnv * GetJNIForThread();
+
+static jclass
+init_jni_bindings(JNIEnv *jenv) {
+  jclass class =
+    (*jenv)->NewGlobalRef(jenv,
+                          (*jenv)->FindClass(jenv,
+                                             "android/media/AudioTrack"));
+  at.constructor = (*jenv)->GetMethodID(jenv, class, "<init>", "(IIIIII)V");
+  at.flush       = (*jenv)->GetMethodID(jenv, class, "flush", "()V");
+  at.pause       = (*jenv)->GetMethodID(jenv, class, "pause", "()V");
+  at.play        = (*jenv)->GetMethodID(jenv, class, "play",  "()V");
+  at.setvol      = (*jenv)->GetMethodID(jenv, class, "setStereoVolume",  "(FF)I");
+  at.stop        = (*jenv)->GetMethodID(jenv, class, "stop",  "()V");
+  at.write       = (*jenv)->GetMethodID(jenv, class, "write", "([BII)I");
+  at.getpos      = (*jenv)->GetMethodID(jenv, class, "getPlaybackHeadPosition", "()I");
+
+  return class;
+};
+
+/*
+ * -----------------------------------------------------------------------------
+ * Startup and shutdown functions
+ * -----------------------------------------------------------------------------
+ */
+
+int
+sa_stream_create_pcm(
+  sa_stream_t      ** _s,
+  const char        * client_name,
+  sa_mode_t           mode,
+  sa_pcm_format_t     format,
+  unsigned  int       rate,
+  unsigned  int       channels
+) {
+
+  /*
+   * Make sure we return a NULL stream pointer on failure.
+   */
+  if (_s == NULL) {
+    return SA_ERROR_INVALID;
+  }
+  *_s = NULL;
+
+  if (mode != SA_MODE_WRONLY) {
+    return SA_ERROR_NOT_SUPPORTED;
+  }
+  if (format != SA_PCM_FORMAT_S16_NE) {
+    return SA_ERROR_NOT_SUPPORTED;
+  }
+  if (channels != 1 && channels != 2) {
+    return SA_ERROR_NOT_SUPPORTED;
+  }
+
+  /*
+   * Allocate the instance and required resources.
+   */
+  sa_stream_t *s;
+  if ((s = malloc(sizeof(sa_stream_t))) == NULL) {
+    return SA_ERROR_OOM;
+  }
+
+  s->output_unit = NULL;
+  s->rate        = rate;
+  s->channels    = channels;
+
+  *_s = s;
+  return SA_SUCCESS;
+}
+
+
+int
+sa_stream_open(sa_stream_t *s) {
+
+  if (s == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+  if (s->output_unit != NULL) {
+    return SA_ERROR_INVALID;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  if ((*jenv)->PushLocalFrame(jenv, 4)) {
+    return SA_ERROR_OOM;
+  }
+
+  s->at_class = init_jni_bindings(jenv);
+
+  jobject obj =
+    (*jenv)->NewObject(jenv, s->at_class, at.constructor,
+                       STREAM_MUSIC,
+                       s->rate,
+                       s->channels == 1 ?
+                         CHANNEL_OUT_MONO : CHANNEL_OUT_STEREO,
+                       ENCODING_PCM_16BIT,
+                       (s->channels * s->rate) / 2,
+                       MODE_STREAM);
+
+  if (!obj) {
+    (*jenv)->DeleteGlobalRef(jenv, s->at_class);
+    (*jenv)->PopLocalFrame(jenv, NULL);
+    return SA_ERROR_OOM;
+  }
+
+  s->output_unit = (*jenv)->NewGlobalRef(jenv, obj);
+  (*jenv)->PopLocalFrame(jenv, NULL);
+
+  return SA_SUCCESS;
+}
+
+
+int
+sa_stream_destroy(sa_stream_t *s) {
+
+  if (s == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  (*jenv)->DeleteGlobalRef(jenv, s->output_unit);
+  (*jenv)->DeleteGlobalRef(jenv, s->at_class);
+  free(s);
+
+  return SA_SUCCESS;
+}
+
+
+
+/*
+ * -----------------------------------------------------------------------------
+ * Data read and write functions
+ * -----------------------------------------------------------------------------
+ */
+
+int
+sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes) {
+
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+  if (nbytes == 0) {
+    return SA_SUCCESS;
+  }
+  JNIEnv *jenv = GetJNIForThread();
+  if ((*jenv)->PushLocalFrame(jenv, 2)) {
+    return SA_ERROR_OOM;
+  }
+
+  jbyteArray bytearray = (*jenv)->NewByteArray(jenv, nbytes);
+  if (!bytearray) {
+    (*jenv)->ExceptionClear(jenv);
+    (*jenv)->PopLocalFrame(jenv, NULL);
+    return SA_ERROR_OOM;
+  }
+
+  jbyte *byte = (*jenv)->GetByteArrayElements(jenv, bytearray, NULL);
+  if (!byte) {
+    (*jenv)->PopLocalFrame(jenv, NULL);
+    return SA_ERROR_OOM;
+  }
+
+  memcpy(byte, data, nbytes);
+  (*jenv)->ReleaseByteArrayElements(jenv, bytearray, byte, 0);
+  jint retval = (*jenv)->CallIntMethod(jenv, s->output_unit, at.write,
+                                       bytearray, 0, nbytes);
+
+  (*jenv)->PopLocalFrame(jenv, NULL);
+
+  return retval < 0 ? SA_ERROR_INVALID : SA_SUCCESS;
+}
+
+
+/*
+ * -----------------------------------------------------------------------------
+ * General query and support functions
+ * -----------------------------------------------------------------------------
+ */
+
+int
+sa_stream_get_write_size(sa_stream_t *s, size_t *size) {
+
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  // XXX AudioTrack doesn't block on writes but it might not write everything.
+  //     Needs investigation.
+  *size = (s->rate * s->channels) / 2;
+  return SA_SUCCESS;
+}
+
+
+int
+sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) {
+
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  *pos  = (*jenv)->CallIntMethod(jenv, s->output_unit, at.getpos);
+  *pos *= s->channels * 2;
+  return SA_SUCCESS;
+}
+
+
+int
+sa_stream_pause(sa_stream_t *s) {
+
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  (*jenv)->CallVoidMethod(jenv, s->output_unit, at.pause);
+  return SA_SUCCESS;
+}
+
+
+int
+sa_stream_resume(sa_stream_t *s) {
+
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  (*jenv)->CallVoidMethod(jenv, s->output_unit, at.play);
+  return SA_SUCCESS;
+}
+
+
+int
+sa_stream_drain(sa_stream_t *s)
+{
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  (*jenv)->CallVoidMethod(jenv, s->output_unit, at.flush);
+  return SA_SUCCESS;
+}
+
+
+
+/*
+ * -----------------------------------------------------------------------------
+ * Extension functions
+ * -----------------------------------------------------------------------------
+ */
+
+int
+sa_stream_set_volume_abs(sa_stream_t *s, float vol) {
+
+  if (s == NULL || s->output_unit == NULL) {
+    return SA_ERROR_NO_INIT;
+  }
+
+  JNIEnv *jenv = GetJNIForThread();
+  (*jenv)->CallIntMethod(jenv, s->output_unit, at.setvol,
+                         (jfloat)vol, (jfloat)vol);
+
+  return SA_SUCCESS;
+}
+
+/*
+ * -----------------------------------------------------------------------------
+ * Unsupported functions
+ * -----------------------------------------------------------------------------
+ */
+#define UNSUPPORTED(func)   func { return SA_ERROR_NOT_SUPPORTED; }
+
+UNSUPPORTED(int sa_stream_create_opaque(sa_stream_t **s, const char *client_name, sa_mode_t mode, const char *codec))
+UNSUPPORTED(int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size))
+UNSUPPORTED(int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size))
+UNSUPPORTED(int sa_stream_set_write_upper_watermark(sa_stream_t *s, size_t size))
+UNSUPPORTED(int sa_stream_set_read_upper_watermark(sa_stream_t *s, size_t size))
+UNSUPPORTED(int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t map[], unsigned int n))
+UNSUPPORTED(int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode))
+UNSUPPORTED(int sa_stream_set_non_interleaved(sa_stream_t *s, int enable))
+UNSUPPORTED(int sa_stream_set_dynamic_rate(sa_stream_t *s, int enable))
+UNSUPPORTED(int sa_stream_set_driver(sa_stream_t *s, const char *driver))
+UNSUPPORTED(int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback))
+UNSUPPORTED(int sa_stream_stop_thread(sa_stream_t *s))
+UNSUPPORTED(int sa_stream_change_device(sa_stream_t *s, const char *device_name))
+UNSUPPORTED(int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned int n))
+UNSUPPORTED(int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned int n))
+UNSUPPORTED(int sa_stream_change_rate(sa_stream_t *s, unsigned int rate))
+UNSUPPORTED(int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size))
+UNSUPPORTED(int sa_stream_change_user_data(sa_stream_t *s, const void *value))
+UNSUPPORTED(int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction))
+UNSUPPORTED(int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction))
+UNSUPPORTED(int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction))
+UNSUPPORTED(int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction))
+UNSUPPORTED(int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode))
+UNSUPPORTED(int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size))
+UNSUPPORTED(int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *format))
+UNSUPPORTED(int sa_stream_get_rate(sa_stream_t *s, unsigned int *rate))
+UNSUPPORTED(int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels))
+UNSUPPORTED(int sa_stream_get_user_data(sa_stream_t *s, void **value))
+UNSUPPORTED(int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size))
+UNSUPPORTED(int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size))
+UNSUPPORTED(int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size))
+UNSUPPORTED(int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size))
+UNSUPPORTED(int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[], unsigned int *n))
+UNSUPPORTED(int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode))
+UNSUPPORTED(int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled))
+UNSUPPORTED(int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled))
+UNSUPPORTED(int sa_stream_get_driver(sa_stream_t *s, char *driver_name, size_t *size))
+UNSUPPORTED(int sa_stream_get_device(sa_stream_t *s, char *device_name, size_t *size))
+UNSUPPORTED(int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned int *n))
+UNSUPPORTED(int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned int *n))
+UNSUPPORTED(int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void*data, size_t *size))
+UNSUPPORTED(int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction))
+UNSUPPORTED(int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction))
+UNSUPPORTED(int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction))
+UNSUPPORTED(int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction))
+UNSUPPORTED(int sa_stream_get_state(sa_stream_t *s, sa_state_t *state))
+UNSUPPORTED(int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error))
+UNSUPPORTED(int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify))
+UNSUPPORTED(int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes))
+UNSUPPORTED(int sa_stream_read_ni(sa_stream_t *s, unsigned int channel, void *data, size_t nbytes))
+UNSUPPORTED(int sa_stream_write_ni(sa_stream_t *s, unsigned int channel, const void *data, size_t nbytes))
+UNSUPPORTED(int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence))
+UNSUPPORTED(int sa_stream_pwrite_ni(sa_stream_t *s, unsigned int channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence))
+UNSUPPORTED(int sa_stream_get_read_size(sa_stream_t *s, size_t *size))
+UNSUPPORTED(int sa_stream_get_volume_abs(sa_stream_t *s, float *vol))
+
+const char *sa_strerror(int code) { return NULL; }
+
new file mode 100644
--- /dev/null
+++ b/media/libsydneyaudio/sydney_android.patch
@@ -0,0 +1,443 @@
+diff --git a/media/libsydneyaudio/src/Makefile.in b/media/libsydneyaudio/src/Makefile.in
+--- a/media/libsydneyaudio/src/Makefile.in
++++ b/media/libsydneyaudio/src/Makefile.in
+@@ -51,7 +51,11 @@ CSRCS		= \
+ 		$(NULL)
+ endif
+ 
+-ifeq ($(OS_ARCH),Linux)
++ifeq ($(OS_TARGET),Android)
++CSRCS		= \
++		sydney_audio_android.c \
++		$(NULL)
++else ifeq ($(OS_ARCH),Linux)
+ CSRCS		= \
+ 		sydney_audio_alsa.c \
+ 		$(NULL)
+diff --git a/media/libsydneyaudio/src/sydney_audio_android.c b/media/libsydneyaudio/src/sydney_audio_android.c
+new file mode 100644
+--- /dev/null
++++ b/media/libsydneyaudio/src/sydney_audio_android.c
+@@ -0,0 +1,422 @@
++/* ***** BEGIN LICENSE BLOCK *****
++ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
++ *
++ * The contents of this file are subject to the Mozilla Public License Version
++ * 1.1 (the "License"); you may not use this file except in compliance with
++ * the License. You may obtain a copy of the License at
++ * http://www.mozilla.org/MPL/
++ *
++ * Software distributed under the License is distributed on an "AS IS" basis,
++ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
++ * for the specific language governing rights and limitations under the
++ * License.
++ *
++ * The Initial Developer of the Original Code is
++ * CSIRO
++ * Portions created by the Initial Developer are Copyright (C) 2007
++ * the Initial Developer. All Rights Reserved.
++ *
++ * Contributor(s): Michael Martin
++ *                 Michael Wu <mwu@mozilla.com>
++ *
++ * Alternatively, the contents of this file may be used under the terms of
++ * either the GNU General Public License Version 2 or later (the "GPL"), or
++ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
++ * in which case the provisions of the GPL or the LGPL are applicable instead
++ * of those above. If you wish to allow use of your version of this file only
++ * under the terms of either the GPL or the LGPL, and not to allow others to
++ * use your version of this file under the terms of the MPL, indicate your
++ * decision by deleting the provisions above and replace them with the notice
++ * and other provisions required by the GPL or the LGPL. If you do not delete
++ * the provisions above, a recipient may use your version of this file under
++ * the terms of any one of the MPL, the GPL or the LGPL.
++ *
++ * ***** END LICENSE BLOCK ***** *
++ */
++
++#include <stdlib.h>
++#include <jni.h>
++#include "sydney_audio.h"
++
++/* Android implementation based on sydney_audio_mac.c */
++
++/* android.media.AudioTrack */
++struct AudioTrack {
++  jclass    class;
++  jmethodID constructor;
++  jmethodID flush;
++  jmethodID pause;
++  jmethodID play;
++  jmethodID setvol;
++  jmethodID stop;
++  jmethodID write;
++  jmethodID getpos;
++};
++
++enum AudioTrackMode {
++  MODE_STATIC = 0,
++  MODE_STREAM = 1
++};
++
++/* android.media.AudioManager */
++enum AudioManagerStream {
++  STREAM_VOICE_CALL = 0,
++  STREAM_SYSTEM = 1,
++  STREAM_RING = 2,
++  STREAM_MUSIC = 3,
++  STREAM_ALARM = 4,
++  STREAM_NOTIFICATION = 5,
++  STREAM_DTMF = 8
++};
++
++/* android.media.AudioFormat */
++enum AudioFormatChannel {
++  CHANNEL_OUT_MONO = 4,
++  CHANNEL_OUT_STEREO = 12
++};
++
++enum AudioFormatEncoding {
++  ENCODING_PCM_16BIT = 2,
++  ENCODING_PCM_8BIT = 3
++};
++
++struct sa_stream {
++  jobject output_unit;
++
++  unsigned int rate;
++  unsigned int channels;
++  jclass at_class;
++};
++
++static struct AudioTrack at;
++extern JNIEnv * GetJNIForThread();
++
++static jclass
++init_jni_bindings(JNIEnv *jenv) {
++  jclass class =
++    (*jenv)->NewGlobalRef(jenv,
++                          (*jenv)->FindClass(jenv,
++                                             "android/media/AudioTrack"));
++  at.constructor = (*jenv)->GetMethodID(jenv, class, "<init>", "(IIIIII)V");
++  at.flush       = (*jenv)->GetMethodID(jenv, class, "flush", "()V");
++  at.pause       = (*jenv)->GetMethodID(jenv, class, "pause", "()V");
++  at.play        = (*jenv)->GetMethodID(jenv, class, "play",  "()V");
++  at.setvol      = (*jenv)->GetMethodID(jenv, class, "setStereoVolume",  "(FF)I");
++  at.stop        = (*jenv)->GetMethodID(jenv, class, "stop",  "()V");
++  at.write       = (*jenv)->GetMethodID(jenv, class, "write", "([BII)I");
++  at.getpos      = (*jenv)->GetMethodID(jenv, class, "getPlaybackHeadPosition", "()I");
++
++  return class;
++};
++
++/*
++ * -----------------------------------------------------------------------------
++ * Startup and shutdown functions
++ * -----------------------------------------------------------------------------
++ */
++
++int
++sa_stream_create_pcm(
++  sa_stream_t      ** _s,
++  const char        * client_name,
++  sa_mode_t           mode,
++  sa_pcm_format_t     format,
++  unsigned  int       rate,
++  unsigned  int       channels
++) {
++
++  /*
++   * Make sure we return a NULL stream pointer on failure.
++   */
++  if (_s == NULL) {
++    return SA_ERROR_INVALID;
++  }
++  *_s = NULL;
++
++  if (mode != SA_MODE_WRONLY) {
++    return SA_ERROR_NOT_SUPPORTED;
++  }
++  if (format != SA_PCM_FORMAT_S16_NE) {
++    return SA_ERROR_NOT_SUPPORTED;
++  }
++  if (channels != 1 && channels != 2) {
++    return SA_ERROR_NOT_SUPPORTED;
++  }
++
++  /*
++   * Allocate the instance and required resources.
++   */
++  sa_stream_t *s;
++  if ((s = malloc(sizeof(sa_stream_t))) == NULL) {
++    return SA_ERROR_OOM;
++  }
++
++  s->output_unit = NULL;
++  s->rate        = rate;
++  s->channels    = channels;
++
++  *_s = s;
++  return SA_SUCCESS;
++}
++
++
++int
++sa_stream_open(sa_stream_t *s) {
++
++  if (s == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++  if (s->output_unit != NULL) {
++    return SA_ERROR_INVALID;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  if ((*jenv)->PushLocalFrame(jenv, 4)) {
++    return SA_ERROR_OOM;
++  }
++
++  s->at_class = init_jni_bindings(jenv);
++
++  jobject obj =
++    (*jenv)->NewObject(jenv, s->at_class, at.constructor,
++                       STREAM_MUSIC,
++                       s->rate,
++                       s->channels == 1 ?
++                         CHANNEL_OUT_MONO : CHANNEL_OUT_STEREO,
++                       ENCODING_PCM_16BIT,
++                       (s->channels * s->rate) / 2,
++                       MODE_STREAM);
++
++  if (!obj) {
++    (*jenv)->DeleteGlobalRef(jenv, s->at_class);
++    (*jenv)->PopLocalFrame(jenv, NULL);
++    return SA_ERROR_OOM;
++  }
++
++  s->output_unit = (*jenv)->NewGlobalRef(jenv, obj);
++  (*jenv)->PopLocalFrame(jenv, NULL);
++
++  return SA_SUCCESS;
++}
++
++
++int
++sa_stream_destroy(sa_stream_t *s) {
++
++  if (s == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  (*jenv)->DeleteGlobalRef(jenv, s->output_unit);
++  (*jenv)->DeleteGlobalRef(jenv, s->at_class);
++  free(s);
++
++  return SA_SUCCESS;
++}
++
++
++
++/*
++ * -----------------------------------------------------------------------------
++ * Data read and write functions
++ * -----------------------------------------------------------------------------
++ */
++
++int
++sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes) {
++
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++  if (nbytes == 0) {
++    return SA_SUCCESS;
++  }
++  JNIEnv *jenv = GetJNIForThread();
++  if ((*jenv)->PushLocalFrame(jenv, 2)) {
++    return SA_ERROR_OOM;
++  }
++
++  jbyteArray bytearray = (*jenv)->NewByteArray(jenv, nbytes);
++  if (!bytearray) {
++    (*jenv)->ExceptionClear(jenv);
++    (*jenv)->PopLocalFrame(jenv, NULL);
++    return SA_ERROR_OOM;
++  }
++
++  jbyte *byte = (*jenv)->GetByteArrayElements(jenv, bytearray, NULL);
++  if (!byte) {
++    (*jenv)->PopLocalFrame(jenv, NULL);
++    return SA_ERROR_OOM;
++  }
++
++  memcpy(byte, data, nbytes);
++  (*jenv)->ReleaseByteArrayElements(jenv, bytearray, byte, 0);
++  jint retval = (*jenv)->CallIntMethod(jenv, s->output_unit, at.write,
++                                       bytearray, 0, nbytes);
++
++  (*jenv)->PopLocalFrame(jenv, NULL);
++
++  return retval < 0 ? SA_ERROR_INVALID : SA_SUCCESS;
++}
++
++
++/*
++ * -----------------------------------------------------------------------------
++ * General query and support functions
++ * -----------------------------------------------------------------------------
++ */
++
++int
++sa_stream_get_write_size(sa_stream_t *s, size_t *size) {
++
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  // XXX AudioTrack doesn't block on writes but it might not write everything.
++  //     Needs investigation.
++  *size = (s->rate * s->channels) / 2;
++  return SA_SUCCESS;
++}
++
++
++int
++sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) {
++
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  *pos  = (*jenv)->CallIntMethod(jenv, s->output_unit, at.getpos);
++  *pos *= s->channels * 2;
++  return SA_SUCCESS;
++}
++
++
++int
++sa_stream_pause(sa_stream_t *s) {
++
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  (*jenv)->CallVoidMethod(jenv, s->output_unit, at.pause);
++  return SA_SUCCESS;
++}
++
++
++int
++sa_stream_resume(sa_stream_t *s) {
++
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  (*jenv)->CallVoidMethod(jenv, s->output_unit, at.play);
++  return SA_SUCCESS;
++}
++
++
++int
++sa_stream_drain(sa_stream_t *s)
++{
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  (*jenv)->CallVoidMethod(jenv, s->output_unit, at.flush);
++  return SA_SUCCESS;
++}
++
++
++
++/*
++ * -----------------------------------------------------------------------------
++ * Extension functions
++ * -----------------------------------------------------------------------------
++ */
++
++int
++sa_stream_set_volume_abs(sa_stream_t *s, float vol) {
++
++  if (s == NULL || s->output_unit == NULL) {
++    return SA_ERROR_NO_INIT;
++  }
++
++  JNIEnv *jenv = GetJNIForThread();
++  (*jenv)->CallIntMethod(jenv, s->output_unit, at.setvol,
++                         (jfloat)vol, (jfloat)vol);
++
++  return SA_SUCCESS;
++}
++
++/*
++ * -----------------------------------------------------------------------------
++ * Unsupported functions
++ * -----------------------------------------------------------------------------
++ */
++#define UNSUPPORTED(func)   func { return SA_ERROR_NOT_SUPPORTED; }
++
++UNSUPPORTED(int sa_stream_create_opaque(sa_stream_t **s, const char *client_name, sa_mode_t mode, const char *codec))
++UNSUPPORTED(int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size))
++UNSUPPORTED(int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size))
++UNSUPPORTED(int sa_stream_set_write_upper_watermark(sa_stream_t *s, size_t size))
++UNSUPPORTED(int sa_stream_set_read_upper_watermark(sa_stream_t *s, size_t size))
++UNSUPPORTED(int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t map[], unsigned int n))
++UNSUPPORTED(int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode))
++UNSUPPORTED(int sa_stream_set_non_interleaved(sa_stream_t *s, int enable))
++UNSUPPORTED(int sa_stream_set_dynamic_rate(sa_stream_t *s, int enable))
++UNSUPPORTED(int sa_stream_set_driver(sa_stream_t *s, const char *driver))
++UNSUPPORTED(int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback))
++UNSUPPORTED(int sa_stream_stop_thread(sa_stream_t *s))
++UNSUPPORTED(int sa_stream_change_device(sa_stream_t *s, const char *device_name))
++UNSUPPORTED(int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned int n))
++UNSUPPORTED(int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned int n))
++UNSUPPORTED(int sa_stream_change_rate(sa_stream_t *s, unsigned int rate))
++UNSUPPORTED(int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size))
++UNSUPPORTED(int sa_stream_change_user_data(sa_stream_t *s, const void *value))
++UNSUPPORTED(int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction))
++UNSUPPORTED(int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction))
++UNSUPPORTED(int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction))
++UNSUPPORTED(int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction))
++UNSUPPORTED(int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode))
++UNSUPPORTED(int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size))
++UNSUPPORTED(int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *format))
++UNSUPPORTED(int sa_stream_get_rate(sa_stream_t *s, unsigned int *rate))
++UNSUPPORTED(int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels))
++UNSUPPORTED(int sa_stream_get_user_data(sa_stream_t *s, void **value))
++UNSUPPORTED(int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size))
++UNSUPPORTED(int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size))
++UNSUPPORTED(int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size))
++UNSUPPORTED(int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size))
++UNSUPPORTED(int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[], unsigned int *n))
++UNSUPPORTED(int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode))
++UNSUPPORTED(int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled))
++UNSUPPORTED(int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled))
++UNSUPPORTED(int sa_stream_get_driver(sa_stream_t *s, char *driver_name, size_t *size))
++UNSUPPORTED(int sa_stream_get_device(sa_stream_t *s, char *device_name, size_t *size))
++UNSUPPORTED(int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned int *n))
++UNSUPPORTED(int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned int *n))
++UNSUPPORTED(int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void*data, size_t *size))
++UNSUPPORTED(int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction))
++UNSUPPORTED(int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction))
++UNSUPPORTED(int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction))
++UNSUPPORTED(int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction))
++UNSUPPORTED(int sa_stream_get_state(sa_stream_t *s, sa_state_t *state))
++UNSUPPORTED(int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error))
++UNSUPPORTED(int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify))
++UNSUPPORTED(int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes))
++UNSUPPORTED(int sa_stream_read_ni(sa_stream_t *s, unsigned int channel, void *data, size_t nbytes))
++UNSUPPORTED(int sa_stream_write_ni(sa_stream_t *s, unsigned int channel, const void *data, size_t nbytes))
++UNSUPPORTED(int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence))
++UNSUPPORTED(int sa_stream_pwrite_ni(sa_stream_t *s, unsigned int channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence))
++UNSUPPORTED(int sa_stream_get_read_size(sa_stream_t *s, size_t *size))
++UNSUPPORTED(int sa_stream_get_volume_abs(sa_stream_t *s, float *vol))
++
++const char *sa_strerror(int code) { return NULL; }
++
--- a/media/libsydneyaudio/update.sh
+++ b/media/libsydneyaudio/update.sh
@@ -11,8 +11,9 @@ patch -p4 <sydney_os2_base.patch
 patch -p4 <sydney_os2_moz.patch
 patch -p3 <bug495794_closeAudio.patch
 patch -p3 <bug495558_alsa_endian.patch
 patch -p3 <bug525401_drain_deadlock.patch
 patch -p3 <bug526411_latency.patch
 patch -p3 <sydney_aix.patch
 patch -p3 <bug562488_oss_destroy_crash.patch
 patch -p3 <bug564734-win32-drain.patch
+patch -p3 <sydney_android.patch