commit 97bf89c0e48ca30f56c91ccad96e646d853b7472
author Previr Rangroo <prang@dolby.com> Tue Dec 12 10:11:33 2017 +1100
committer Mikhail Naganov <mnaganov@google.com> Thu Apr 12 09:55:37 2018 -0700
tree 6feb33648ec9b60e4b6ef3eec74ac77f5b9fdadf
parent 7163499fd3a516c93daffacaad1b2ada7d7074c0

Add AudioParameter keyAudioLanguagePreferred

This parameter will be used to set user's preferred audio language
to the MSD HAL. The MSD HAL will use this as a preference indication
when selecting an audio presentation to decode and render
for next generation audio codecs such as AC-4.

Bug: 63901775
Test: make
Change-Id: Ic1da11ced50857f62affd636ba197fb8e6759110
Signed-off-by: Previr Rangroo <prang@dolby.com>

media/libaudioclient/include/media/AudioParameter.h

diff --git a/media/libaudioclient/include/media/AudioParameter.h b/media/libaudioclient/include/media/AudioParameter.h
index 59ac1db..8d2a2cf 100644
--- a/media/libaudioclient/include/media/AudioParameter.h
+++ b/media/libaudioclient/include/media/AudioParameter.h
@@ -64,6 +64,9 @@
     static const char * const keyPresentationId;
     static const char * const keyProgramId;
 
+    //  keyAudioLanguagePreferred: Preferred audio language
+    static const char * const keyAudioLanguagePreferred;
+
     //  keyStreamConnect / Disconnect: value is an int in audio_devices_t
     static const char * const keyStreamConnect;
     static const char * const keyStreamDisconnect;

media/libmedia/AudioParameter.cpp

diff --git a/media/libmedia/AudioParameter.cpp b/media/libmedia/AudioParameter.cpp
index cb0e927..190e46f 100644
--- a/media/libmedia/AudioParameter.cpp
+++ b/media/libmedia/AudioParameter.cpp
@@ -36,6 +36,8 @@
 const char * const AudioParameter::keyHwAvSync = AUDIO_PARAMETER_HW_AV_SYNC;
 const char * const AudioParameter::keyPresentationId = AUDIO_PARAMETER_STREAM_PRESENTATION_ID;
 const char * const AudioParameter::keyProgramId = AUDIO_PARAMETER_STREAM_PROGRAM_ID;
+const char * const AudioParameter::keyAudioLanguagePreferred =
+        AUDIO_PARAMETER_KEY_AUDIO_LANGUAGE_PREFERRED;
 const char * const AudioParameter::keyMonoOutput = AUDIO_PARAMETER_MONO_OUTPUT;
 const char * const AudioParameter::keyStreamHwAvSync = AUDIO_PARAMETER_STREAM_HW_AV_SYNC;
 const char * const AudioParameter::keyStreamConnect = AUDIO_PARAMETER_DEVICE_CONNECT;