commit 16395ca0c24f4edc2f4d9b0736ca56d3c280ca10
author Jean-Michel Trivi <jmtrivi@google.com> Sun Dec 11 22:10:11 2022 +0000
committer Jean-Michel Trivi <jmtrivi@google.com> Wed Dec 21 04:47:27 2022 +0000
tree 43643bdd88f607b37643df04692ec039d1672dfd
parent 1f36f4418074ee26e07301a9d375e01daf6dde4c

AudioFlinger sends format updates to AudioManager

When a track starts, send format and spatialization status
through IAudioManager for playback activity monitoring.

Bug: 263300713
Test: atest android.media.audio.cts.AudioPlaybackConfigurationTest
Change-Id: I78401eb4bab490c9f05515c93cc73defb5195d5e

services/audioflinger/Tracks.cpp

diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 950d555..e88401e 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1160,6 +1160,23 @@
     }
     if (status == NO_ERROR) {
         forEachTeePatchTrack([](auto patchTrack) { patchTrack->start(); });
+
+        // send format to AudioManager for playback activity monitoring
+        sp<IAudioManager> audioManager = thread->mAudioFlinger->getOrCreateAudioManager();
+        if (audioManager && mPortId != AUDIO_PORT_HANDLE_NONE) {
+            std::unique_ptr<os::PersistableBundle> bundle =
+                    std::make_unique<os::PersistableBundle>();
+        bundle->putBoolean(String16(kExtraPlayerEventSpatializedKey),
+                           isSpatialized());
+        bundle->putInt(String16(kExtraPlayerEventSampleRateKey), mSampleRate);
+        bundle->putInt(String16(kExtraPlayerEventChannelMaskKey), mChannelMask);
+        status_t result = audioManager->portEvent(mPortId,
+                                                  PLAYER_UPDATE_FORMAT, bundle);
+        if (result != OK) {
+            ALOGE("%s: unable to send playback format for port ID %d, status error %d",
+                  __func__, mPortId, result);
+        }
+      }
     }
     return status;
 }