commit 85d109a4b0eddd76a8c5cee170bc2bcc99d00118
author Glenn Kasten <gkasten@google.com> Fri Jan 17 10:25:08 2014 -0800
committer Glenn Kasten <gkasten@google.com> Tue Mar 25 15:38:25 2014 -0700
tree 063a73398f17da98b0a9ecc5923ab05bbc3fc5d9
parent 1392eb3d1802e9f894f87d7a7387207d1b6faca1

Document AudioSystem::newAudioSessionId() failures

Change-Id: Iaa168722f362c36bdfa87fe20dc0a59b43cf1ca3

media/libmedia/AudioSystem.cpp

diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 140fb66..c418466 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -431,7 +431,7 @@
 int AudioSystem::newAudioSessionId()
 {
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return 0;
+    if (af == 0) return AUDIO_SESSION_ALLOCATE;
     return af->newAudioSessionId();
 }
 

media/libmedia/IAudioFlinger.cpp

diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index 762681e..f28b82d 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -599,7 +599,7 @@
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
         status_t status = remote()->transact(NEW_AUDIO_SESSION_ID, data, &reply);
-        int id = 0;
+        int id = AUDIO_SESSION_ALLOCATE;
         if (status == NO_ERROR) {
             id = reply.readInt32();
         }