audio: Fix remote submix behavior with multiple inputs
Align the behavior of the new implementation with the legacy
implementation in the case when the client opens multiple
input streams on the same remote submix device.
Reduce the HAL buffer size to match legacy behavior.
Bug: 264712385
Test: atest CtsVirtualDevicesTestCases --test-filter=".*VirtualAudioTest.*"
(cherry picked from commit a83c8a5518234d0744f7453222db3cf2d8b876c2)
Change-Id: I6f5e6a2c133059c66269b1bdd8a30392db282c4d
diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index d63e353..2a8e58f 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -321,9 +321,9 @@
//
// Mix ports:
// * "r_submix output", maximum 10 opened streams, maximum 10 active streams
-// - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
+// - profile PCM 16-bit; STEREO; 8000, 11025, 16000, 32000, 44100, 48000
// * "r_submix input", maximum 10 opened streams, maximum 10 active streams
-// - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
+// - profile PCM 16-bit; STEREO; 8000, 11025, 16000, 32000, 44100, 48000
//
// Routes:
// "r_submix output" -> "Remote Submix Out"
diff --git a/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp b/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp
index 3e8dd7c..2f42889 100644
--- a/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp
+++ b/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp
@@ -112,7 +112,7 @@
static constexpr int32_t kMaxLatencyMs =
(r_submix::kDefaultPipeSizeInFrames * 1000) / r_submix::kDefaultSampleRateHz;
static constexpr int32_t kMinLatencyMs = kMaxLatencyMs / r_submix::kDefaultPipePeriodCount;
- return (kMaxLatencyMs + kMinLatencyMs) / 2;
+ return kMinLatencyMs;
}
} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp b/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
index 6258c93..d238aa4 100644
--- a/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
+++ b/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
@@ -73,10 +73,8 @@
LOG(ERROR) << __func__ << ": nullptr sink when opening stream";
return ::android::NO_INIT;
}
- // If the sink has been shutdown or pipe recreation is forced, delete the pipe and
- // recreate it.
- if (sink->isShutdown()) {
- LOG(DEBUG) << __func__ << ": Non-nullptr shut down sink when opening stream";
+ if ((!mIsInput || mCurrentRoute->isStreamInOpen()) && sink->isShutdown()) {
+ LOG(DEBUG) << __func__ << ": Shut down sink when opening stream";
if (::android::OK != mCurrentRoute->resetPipe()) {
LOG(ERROR) << __func__ << ": reset pipe failed";
return ::android::NO_INIT;
diff --git a/audio/aidl/default/r_submix/SubmixRoute.cpp b/audio/aidl/default/r_submix/SubmixRoute.cpp
index f04e607..235c9a3 100644
--- a/audio/aidl/default/r_submix/SubmixRoute.cpp
+++ b/audio/aidl/default/r_submix/SubmixRoute.cpp
@@ -98,6 +98,9 @@
}
mStreamInStandby = true;
mReadCounterFrames = 0;
+ if (mSink != nullptr) {
+ mSink->shutdown(false);
+ }
} else {
mStreamOutOpen = true;
}
@@ -106,8 +109,7 @@
void SubmixRoute::closeStream(bool isInput) {
std::lock_guard guard(mLock);
if (isInput) {
- mInputRefCount--;
- if (mInputRefCount == 0) {
+ if (--mInputRefCount == 0) {
mStreamInOpen = false;
if (mSink != nullptr) {
mSink->shutdown(true);