Spatializer: Disable head tracking for stereo spatialization
Do not enable head tracking if all the spatialized tracks are stereo.
Flag: EXEMPT bugfix
Test: manual spatial audio tests
Test: atest spatializer_tests
Bug: 356953811
Change-Id: I75e2cb63ee4c5c5bfba628802198d056fd30e216
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 6144f8c..cbc0b41 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -590,12 +590,13 @@
if (status == NO_ERROR && currentOutput == newOutput) {
return;
}
- size_t numActiveTracks = countActiveClientsOnOutput_l(newOutput);
+ std::vector<audio_channel_mask_t> activeTracksMasks =
+ getActiveTracksMasks_l(newOutput);
mMutex.unlock();
// It is OK to call detachOutput() is none is already attached.
mSpatializer->detachOutput();
if (status == NO_ERROR && newOutput != AUDIO_IO_HANDLE_NONE) {
- status = mSpatializer->attachOutput(newOutput, numActiveTracks);
+ status = mSpatializer->attachOutput(newOutput, activeTracksMasks);
}
mMutex.lock();
if (status != NO_ERROR) {
@@ -613,17 +614,17 @@
}
}
-size_t AudioPolicyService::countActiveClientsOnOutput_l(
+std::vector<audio_channel_mask_t> AudioPolicyService::getActiveTracksMasks_l(
audio_io_handle_t output, bool spatializedOnly) {
- size_t count = 0;
+ std::vector<audio_channel_mask_t> activeTrackMasks;
for (size_t i = 0; i < mAudioPlaybackClients.size(); i++) {
auto client = mAudioPlaybackClients.valueAt(i);
if (client->io == output && client->active
&& (!spatializedOnly || client->isSpatialized)) {
- count++;
+ activeTrackMasks.push_back(client->channelMask);
}
}
- return count;
+ return activeTrackMasks;
}
void AudioPolicyService::onUpdateActiveSpatializerTracks_l() {
@@ -639,12 +640,12 @@
return;
}
audio_io_handle_t output = mSpatializer->getOutput();
- size_t activeClients;
+ std::vector<audio_channel_mask_t> activeTracksMasks;
{
audio_utils::lock_guard _l(mMutex);
- activeClients = countActiveClientsOnOutput_l(output);
+ activeTracksMasks = getActiveTracksMasks_l(output);
}
- mSpatializer->updateActiveTracks(activeClients);
+ mSpatializer->updateActiveTracks(activeTracksMasks);
}
status_t AudioPolicyService::clientCreateAudioPatch(const struct audio_patch *patch,