OpenSL ES audio output for Android

This module implements Android's variation of the OpenSL ES standard
Collective work by Dominique Martinet and Hugo Beauzée-Luyssen
Minor fixes by Jean-Baptiste Kempf
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

NEWS

@@ -84,6 +84,7 @@ Audio Output:
  * New audio output based on AudioQueue API for iOS
  * New audio output in memory (amem)
  * Important simplification and improvements in the core audio output
+ * New audio output based on OpenSL ES API for Android
 
 Video Filter:
  * New gradfun filter for debanding videos using dithering

configure.ac

@@ -3628,6 +3628,19 @@ dnl  JACK modules
 dnl
 PKG_ENABLE_MODULES_VLC([JACK], [jack access_jack], [jack], [JACK audio I/O modules],[auto])
 
+dnl
+dnl  OpenSLES Android
+dnl
+AC_ARG_ENABLE(opensles,
+  [  --enable-opensles       Android OpenSL ES audio module (default disabled)])
+if test "${HAVE_ANDROID}" = "1"; then
+  if test "${enable_opensles}" = "yes"; then
+      AC_CHECK_HEADERS(SLES/OpenSLES.h,
+        [ VLC_ADD_PLUGIN([opensles_android]) ],
+        [ AC_MSG_ERROR([cannot find OpenSLES headers])] )
+  fi
+fi
+
 dnl
 dnl UPnP Plugin (Intel SDK)
 dnl

modules/LIST

@@ -225,6 +225,7 @@ $Id$
  * omxil: OpenMAX IL audio/video decoder
  * opencv_example: OpenCV example (face identification)
  * opencv_wrapper: OpenCV wrapper video filter
+ * opensles_android: OpenSL ES audio output for Android
  * osd_parser: OSD import module
  * osdmenu: video_filter for displaying and streaming a On Screen Display menu
  * oss: audio output module using the OSS /dev/dsp interface

modules/audio_output/Modules.am

@@ -6,6 +6,7 @@ SOURCES_portaudio = portaudio.c
 SOURCES_auhal = auhal.c
 SOURCES_jack = jack.c
 SOURCES_audioqueue = audioqueue.c
+SOURCES_opensles_android = opensles_android.c
 
 libamem_plugin_la_SOURCES = amem.c
 libamem_plugin_la_CFLAGS = $(AM_CFLAGS)