commit d7fe086d3b45f088083170006367dfc4246f70b0
author Eric Laurent <elaurent@google.com> Sat Jul 14 16:48:01 2018 -0700
committer Eric Laurent <elaurent@google.com> Tue Jul 17 13:02:28 2018 -0700
tree fa89edfbebbd2cffdccc0ab6f01caa9a06d02390
parent b05e9b139f8cc5c20f7e94d0a9cf2f7430b52cf2

audio policy: refactor audio playback APIs

Refactor audio policy service APIs controlling audio playback (startOutput, stopOutput, releaseOutput)
To allow finer grain control per AudioTrack client.

Test: AudioTrack CTS test. manual test of playback use cases.
Change-Id: I49a681f3c2a8211e524824993049b24d8086376d

media/libaudioclient/AudioSystem.cpp

diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index c072901..cb4bcfc 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -878,31 +878,25 @@
                                  flags, selectedDeviceId, portId);
 }
 
-status_t AudioSystem::startOutput(audio_io_handle_t output,
-                                  audio_stream_type_t stream,
-                                  audio_session_t session)
+status_t AudioSystem::startOutput(audio_port_handle_t portId)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
-    return aps->startOutput(output, stream, session);
+    return aps->startOutput(portId);
 }
 
-status_t AudioSystem::stopOutput(audio_io_handle_t output,
-                                 audio_stream_type_t stream,
-                                 audio_session_t session)
+status_t AudioSystem::stopOutput(audio_port_handle_t portId)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
-    return aps->stopOutput(output, stream, session);
+    return aps->stopOutput(portId);
 }
 
-void AudioSystem::releaseOutput(audio_io_handle_t output,
-                                audio_stream_type_t stream,
-                                audio_session_t session)
+void AudioSystem::releaseOutput(audio_port_handle_t portId)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return;
-    aps->releaseOutput(output, stream, session);
+    aps->releaseOutput(portId);
 }
 
 status_t AudioSystem::getInputForAttr(const audio_attributes_t *attr,