commit 101ad25a37abe2192c9ea8f240dd4d2dd679521d
author Robert Wu <robertwu@google.com> Tue Nov 28 20:29:29 2023 +0000
committer Robert Wu <robertwu@google.com> Wed Nov 29 19:10:12 2023 +0000
tree 8cb746d9117705661237905d1be165f35d959b2a
parent 6641f9d4a6c7bbc070f924c55af2d213d942ef4e

AAudio: Sample rate converter flag

Add a flag for sample rate converter in AAudio.

Bug: 219533889
Test: atest AAudioTests
Test: OboeTester test output for various sample rates
Change-Id: I735639e915d573605863c0e404d85724105004dc

media/libaaudio/fuzzer/Android.bp

diff --git a/media/libaaudio/fuzzer/Android.bp b/media/libaaudio/fuzzer/Android.bp
index ee53717..46c4148 100644
--- a/media/libaaudio/fuzzer/Android.bp
+++ b/media/libaaudio/fuzzer/Android.bp
@@ -41,6 +41,7 @@
         "libaudioclient_aidl_conversion",
         "libaudio_aidl_conversion_common_cpp",
         "libutils",
+        "com.android.media.aaudio-aconfig-cc",
     ],
     static_libs: [
         "liblog",

media/libaaudio/src/Android.bp

diff --git a/media/libaaudio/src/Android.bp b/media/libaaudio/src/Android.bp
index 7882951..886603d 100644
--- a/media/libaaudio/src/Android.bp
+++ b/media/libaaudio/src/Android.bp
@@ -173,6 +173,7 @@
         "aaudio-aidl-cpp",
         "audioclient-types-aidl-cpp",
         "libaudioclient_aidl_conversion",
+        "com.android.media.aaudio-aconfig-cc",
     ],
 
     cflags: [

media/libaaudio/src/client/AudioStreamInternal.cpp

diff --git a/media/libaaudio/src/client/AudioStreamInternal.cpp b/media/libaaudio/src/client/AudioStreamInternal.cpp
index 8d9bf20..ca0db0d 100644
--- a/media/libaaudio/src/client/AudioStreamInternal.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternal.cpp
@@ -42,6 +42,7 @@
 #include "fifo/FifoBuffer.h"
 #include "utility/AudioClock.h"
 #include <media/AidlConversion.h>
+#include <com_android_media_aaudio.h>
 
 #include "AudioStreamInternal.h"
 
@@ -63,8 +64,6 @@
 
 #define LOG_TIMESTAMPS            0
 
-#define ENABLE_SAMPLE_RATE_CONVERTER 1
-
 AudioStreamInternal::AudioStreamInternal(AAudioServiceInterface  &serviceInterface, bool inService)
         : AudioStream()
         , mClockModel()
@@ -193,11 +192,13 @@
         setSampleRate(configurationOutput.getSampleRate());
     }
 
-#if !ENABLE_SAMPLE_RATE_CONVERTER
-    if (getSampleRate() != getDeviceSampleRate()) {
-        goto error;
+    if (!com::android::media::aaudio::sample_rate_conversion()) {
+        if (getSampleRate() != getDeviceSampleRate()) {
+            ALOGD("%s - skipping sample rate converter. SR = %d, Device SR = %d", __func__,
+                    getSampleRate(), getDeviceSampleRate());
+            goto error;
+        }
     }
-#endif
 
     // Save device format so we can do format conversion and volume scaling together.
     setDeviceFormat(configurationOutput.getFormat());