commit 142f519aa1acd5804d111e60d100f170fed28405
author Glenn Kasten <gkasten@google.com> Tue Mar 25 17:44:59 2014 -0700
committer Glenn Kasten <gkasten@google.com> Wed Mar 26 14:56:54 2014 -0700
tree aaffc4a234a4b0a5e719374056edf12eb2333b29
parent ecdca392ed40e89a6ef14b86446e952c35497ac4

Use symbol AUDIO_IO_HANDLE_NONE from <system/audio.h>

Change-Id: Id6b1aa17558eb73e17f22b8eab6cd02e00a96dff

include/media/AudioEffect.h

diff --git a/include/media/AudioEffect.h b/include/media/AudioEffect.h
index 01dcbb2..f98002d 100644
--- a/include/media/AudioEffect.h
+++ b/include/media/AudioEffect.h
@@ -231,7 +231,7 @@
                   effect_callback_t cbf = NULL,
                   void* user = NULL,
                   int sessionId = AUDIO_SESSION_OUTPUT_MIX,
-                  audio_io_handle_t io = 0
+                  audio_io_handle_t io = AUDIO_IO_HANDLE_NONE
                   );
 
     /* Constructor.
@@ -243,7 +243,7 @@
                     effect_callback_t cbf = NULL,
                     void* user = NULL,
                     int sessionId = AUDIO_SESSION_OUTPUT_MIX,
-                    audio_io_handle_t io = 0
+                    audio_io_handle_t io = AUDIO_IO_HANDLE_NONE
                     );
 
     /* Terminates the AudioEffect and unregisters it from AudioFlinger.
@@ -265,7 +265,7 @@
                             effect_callback_t cbf = NULL,
                             void* user = NULL,
                             int sessionId = AUDIO_SESSION_OUTPUT_MIX,
-                            audio_io_handle_t io = 0
+                            audio_io_handle_t io = AUDIO_IO_HANDLE_NONE
                             );
 
     /* Result of constructing the AudioEffect. This must be checked

include/media/AudioTrack.h

diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index d3168ba..3dadf52 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -450,7 +450,8 @@
      *  none.
      *
      * Returned value:
-     *  handle on audio hardware output
+     *  handle on audio hardware output, or AUDIO_IO_HANDLE_NONE if the
+     *  track needed to be re-created but that failed
      */
             audio_io_handle_t    getOutput() const;