commit 84c621e937c82c25b5b6d633edee17616e08a61a
author Haynes Mathew George <hgeorge@codeaurora.org> Tue Apr 25 11:41:50 2017 -0700
committer Eric Laurent <elaurent@google.com> Fri May 12 18:36:47 2017 -0700
tree 2389cd0dcbc2d379d1ff5088ccb8d8ca9297c994
parent 64892d86d0ceba1042e48fc276f4988a2857fd1e

APM: Check dedicated VOIP downlink profile

Check and select a dedicated VOIP downlink profile if available.

Test: verify Hangouts call audio

Change-Id: I7ef32a0e159f42c20ce5fb8ccc3548f3856a15cb

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index aaa6134..a0d0cf3 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -706,7 +706,8 @@
     // only retain flags that will drive the direct output profile selection
     // if explicitly requested
     static const uint32_t kRelevantFlags =
-            (AUDIO_OUTPUT_FLAG_HW_AV_SYNC | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD);
+            (AUDIO_OUTPUT_FLAG_HW_AV_SYNC | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD |
+             AUDIO_OUTPUT_FLAG_VOIP_RX);
     flags =
         (audio_output_flags_t)((flags & kRelevantFlags) | AUDIO_OUTPUT_FLAG_DIRECT);
 
@@ -922,6 +923,12 @@
     }
     if (stream == AUDIO_STREAM_TTS) {
         flags = AUDIO_OUTPUT_FLAG_TTS;
+    } else if (stream == AUDIO_STREAM_VOICE_CALL &&
+               getPhoneState() == AUDIO_MODE_IN_COMMUNICATION &&
+               audio_is_linear_pcm(format)) {
+        flags = (audio_output_flags_t)(AUDIO_OUTPUT_FLAG_VOIP_RX |
+                                       AUDIO_OUTPUT_FLAG_DIRECT);
+        ALOGV("Set VoIP and Direct output flags for PCM format");
     }
 
     sp<IOProfile> profile;