commit eaef9b9c7b3c6c4d4435ce5e32e9fe952a2f69fe
author Phil Burk <philburk@google.com> Thu Jan 18 09:09:42 2018 -0800
committer Phil Burk <philburk@google.com> Mon Jan 22 10:17:58 2018 -0800
tree a9c488f653c7d3488b6c72e8b44d82cea0437633
parent 205266aacc675dfb7a7f9f985c4ca973163cb59e

aaudio: use AAUDIO_INPUT_PRESET_VOICE_RECOGNITION

Change default for InputPreset to restore low latency.

Bug: 72049948
Test: see bug, adb shell aaudio_loopback -te -pl -n1 -x -X
Change-Id: Ie987c2e65d9338353ec6e23598442394d2a2e4a9

media/libaaudio/src/core/AudioStream.cpp

diff --git a/media/libaaudio/src/core/AudioStream.cpp b/media/libaaudio/src/core/AudioStream.cpp
index 82c0667..9a2405a 100644
--- a/media/libaaudio/src/core/AudioStream.cpp
+++ b/media/libaaudio/src/core/AudioStream.cpp
@@ -93,7 +93,7 @@
     }
     mInputPreset = builder.getInputPreset();
     if (mInputPreset == AAUDIO_UNSPECIFIED) {
-        mInputPreset = AAUDIO_INPUT_PRESET_GENERIC;
+        mInputPreset = AAUDIO_INPUT_PRESET_VOICE_RECOGNITION;
     }
 
     // callbacks

media/libaaudio/src/core/AudioStream.h

diff --git a/media/libaaudio/src/core/AudioStream.h b/media/libaaudio/src/core/AudioStream.h
index 42b585f..c59ee6c 100644
--- a/media/libaaudio/src/core/AudioStream.h
+++ b/media/libaaudio/src/core/AudioStream.h
@@ -515,9 +515,9 @@
     aaudio_stream_state_t       mState = AAUDIO_STREAM_STATE_UNINITIALIZED;
     aaudio_performance_mode_t   mPerformanceMode = AAUDIO_PERFORMANCE_MODE_NONE;
 
-    aaudio_usage_t              mUsage           = AAUDIO_USAGE_MEDIA;
-    aaudio_content_type_t       mContentType     = AAUDIO_CONTENT_TYPE_MUSIC;
-    aaudio_input_preset_t       mInputPreset     = AAUDIO_INPUT_PRESET_GENERIC;
+    aaudio_usage_t              mUsage           = AAUDIO_UNSPECIFIED;
+    aaudio_content_type_t       mContentType     = AAUDIO_UNSPECIFIED;
+    aaudio_input_preset_t       mInputPreset     = AAUDIO_UNSPECIFIED;
 
     int32_t                     mSessionId = AAUDIO_UNSPECIFIED;
 

media/libaaudio/src/utility/AAudioUtilities.cpp

diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index 2bee6e3..2a34016 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -341,7 +341,7 @@
     STATIC_ASSERT(AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION == AUDIO_SOURCE_VOICE_COMMUNICATION);
     STATIC_ASSERT(AAUDIO_INPUT_PRESET_UNPROCESSED == AUDIO_SOURCE_UNPROCESSED);
     if (preset == AAUDIO_UNSPECIFIED) {
-        preset = AAUDIO_INPUT_PRESET_GENERIC;
+        preset = AAUDIO_INPUT_PRESET_VOICE_RECOGNITION;
     }
     return (audio_source_t) preset; // same value
 }