Audio presentation selection for AudioTrack native

Bug: 63901775
Test: make
Change-Id: I63c9bdef880c7c387fd05f093b8d1094307a2754
Signed-off-by: Previr Rangroo <prang@dolby.com>

media/libaudioclient/AudioTrack.cpp

@@ -29,6 +29,7 @@
 #include <utils/Log.h>
 #include <private/media/AudioTrackShared.h>
 #include <media/IAudioFlinger.h>
+#include <media/AudioParameter.h>
 #include <media/AudioPolicyHelper.h>
 #include <media/AudioResamplerPublic.h>
 #include <media/MediaAnalyticsItem.h>
@@ -2342,6 +2343,17 @@ status_t AudioTrack::setParameters(const String8& keyValuePairs)
     return mAudioTrack->setParameters(keyValuePairs);
 }
 
+status_t AudioTrack::selectPresentation(int presentationId, int programId)
+{
+    AutoMutex lock(mLock);
+    AudioParameter param = AudioParameter();
+    param.addInt(String8(AudioParameter::keyPresentationId), presentationId);
+    param.addInt(String8(AudioParameter::keyProgramId), programId);
+    ALOGV("PresentationId/ProgramId[%s]",param.toString().string());
+
+    return mAudioTrack->setParameters(param.toString());
+}
+
 VolumeShaper::Status AudioTrack::applyVolumeShaper(
         const sp<VolumeShaper::Configuration>& configuration,
         const sp<VolumeShaper::Operation>& operation)

media/libaudioclient/include/media/AudioParameter.h

@@ -58,6 +58,12 @@ public:
     static const char * const keyMonoOutput;
     static const char * const keyStreamHwAvSync;
 
+    //  keys for presentation selection
+    //  keyPresentationId: Audio presentation identifier
+    //  keyProgramId: Audio presentation program identifier
+    static const char * const keyPresentationId;
+    static const char * const keyProgramId;
+
     //  keyStreamConnect / Disconnect: value is an int in audio_devices_t
     static const char * const keyStreamConnect;
     static const char * const keyStreamDisconnect;

media/libaudioclient/include/media/AudioTrack.h

@@ -760,6 +760,9 @@ public:
     /* Gets the volume shaper state */
             sp<media::VolumeShaper::State> getVolumeShaperState(int id);
 
+    /* Selects the presentation (if available) */
+            status_t    selectPresentation(int presentationId, int programId);
+
     /* Get parameters */
             String8     getParameters(const String8& keys);
 

media/libmedia/AudioParameter.cpp

@@ -34,6 +34,8 @@ const char * const AudioParameter::keyInputSource = AUDIO_PARAMETER_STREAM_INPUT
 const char * const AudioParameter::keyScreenState = AUDIO_PARAMETER_KEY_SCREEN_STATE;
 const char * const AudioParameter::keyBtNrec = AUDIO_PARAMETER_KEY_BT_NREC;
 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::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;