aaudio: only use MMAP for low latency perf mode
This is a quick workaround that just disables MMAP mode unless
performance mode is LOW_LATENCY.
Bug: 63176221
Test: use write_sine and change performance mode
Change-Id: Ic17ad45366d51d86fb4801c84ada4f6f82b5ff98
diff --git a/media/libaaudio/src/core/AudioStreamBuilder.cpp b/media/libaaudio/src/core/AudioStreamBuilder.cpp
index 8a481c0..6c4aa59 100644
--- a/media/libaaudio/src/core/AudioStreamBuilder.cpp
+++ b/media/libaaudio/src/core/AudioStreamBuilder.cpp
@@ -138,6 +138,12 @@
bool allowMMap = mmapPolicy != AAUDIO_POLICY_NEVER;
bool allowLegacy = mmapPolicy != AAUDIO_POLICY_ALWAYS;
+ // TODO Support other performance settings in MMAP mode.
+ // Disable MMAP if low latency not requested.
+ if (getPerformanceMode() != AAUDIO_PERFORMANCE_MODE_LOW_LATENCY) {
+ allowMMap = false;
+ }
+
result = builder_createStream(getDirection(), sharingMode, allowMMap, &audioStream);
if (result == AAUDIO_OK) {
// Open the stream using the parameters from the builder.
@@ -247,4 +253,4 @@
}
return AAUDIO_OK;
-}
\ No newline at end of file
+}