From 4dc680607181e6a76f4e91a39366c4f5dfb7b03e Mon Sep 17 00:00:00 2001
From: Eric Laurent <elaurent@google.com>
Date: Mon, 28 Jul 2014 17:26:49 -0700
Subject: audio policy: pass session ID to capture activity methods

Indicate the audio session ID when calling getInput(),
startInput(), stopInput(), releaseInput().

Bug: 12378680.
Change-Id: I763793752f93e2f4e1445a5ab217c895af011038
---
 media/libmedia/AudioRecord.cpp         |  2 +-
 media/libmedia/AudioSystem.cpp         | 15 +++++++++------
 media/libmedia/IAudioPolicyService.cpp | 21 +++++++++++++++------
 3 files changed, 25 insertions(+), 13 deletions(-)

(limited to 'media/libmedia')

diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index 299a77c..9e7ba88 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -572,7 +572,7 @@ status_t AudioRecord::openRecord_l(size_t epoch)
     }
 
 release:
-    AudioSystem::releaseInput(input);
+    AudioSystem::releaseInput(input, (audio_session_t)mSessionId);
     if (status == NO_ERROR) {
         status = NO_INIT;
     }
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 0d61885..365a594 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -696,25 +696,28 @@ audio_io_handle_t AudioSystem::getInput(audio_source_t inputSource,
     return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId, flags);
 }
 
-status_t AudioSystem::startInput(audio_io_handle_t input)
+status_t AudioSystem::startInput(audio_io_handle_t input,
+                                 audio_session_t session)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
-    return aps->startInput(input);
+    return aps->startInput(input, session);
 }
 
-status_t AudioSystem::stopInput(audio_io_handle_t input)
+status_t AudioSystem::stopInput(audio_io_handle_t input,
+                                audio_session_t session)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
-    return aps->stopInput(input);
+    return aps->stopInput(input, session);
 }
 
-void AudioSystem::releaseInput(audio_io_handle_t input)
+void AudioSystem::releaseInput(audio_io_handle_t input,
+                               audio_session_t session)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return;
-    aps->releaseInput(input);
+    aps->releaseInput(input, session);
 }
 
 status_t AudioSystem::initStreamVolume(audio_stream_type_t stream,
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 40dfb58..1593b17 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -240,29 +240,35 @@ public:
         return static_cast <audio_io_handle_t> (reply.readInt32());
     }
 
-    virtual status_t startInput(audio_io_handle_t input)
+    virtual status_t startInput(audio_io_handle_t input,
+                                audio_session_t session)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(input);
+        data.writeInt32(session);
         remote()->transact(START_INPUT, data, &reply);
         return static_cast <status_t> (reply.readInt32());
     }
 
-    virtual status_t stopInput(audio_io_handle_t input)
+    virtual status_t stopInput(audio_io_handle_t input,
+                               audio_session_t session)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(input);
+        data.writeInt32(session);
         remote()->transact(STOP_INPUT, data, &reply);
         return static_cast <status_t> (reply.readInt32());
     }
 
-    virtual void releaseInput(audio_io_handle_t input)
+    virtual void releaseInput(audio_io_handle_t input,
+                              audio_session_t session)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(input);
+        data.writeInt32(session);
         remote()->transact(RELEASE_INPUT, data, &reply);
     }
 
@@ -723,21 +729,24 @@ status_t BnAudioPolicyService::onTransact(
         case START_INPUT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             audio_io_handle_t input = static_cast <audio_io_handle_t>(data.readInt32());
-            reply->writeInt32(static_cast <uint32_t>(startInput(input)));
+            audio_session_t session = static_cast <audio_session_t>(data.readInt32());
+            reply->writeInt32(static_cast <uint32_t>(startInput(input, session)));
             return NO_ERROR;
         } break;
 
         case STOP_INPUT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             audio_io_handle_t input = static_cast <audio_io_handle_t>(data.readInt32());
-            reply->writeInt32(static_cast <uint32_t>(stopInput(input)));
+            audio_session_t session = static_cast <audio_session_t>(data.readInt32());
+            reply->writeInt32(static_cast <uint32_t>(stopInput(input, session)));
             return NO_ERROR;
         } break;
 
         case RELEASE_INPUT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             audio_io_handle_t input = static_cast <audio_io_handle_t>(data.readInt32());
-            releaseInput(input);
+            audio_session_t session = static_cast <audio_session_t>(data.readInt32());
+            releaseInput(input, session);
             return NO_ERROR;
         } break;
 
-- 
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