commit e504e7b785de72b27aa52fda7b4be4694aa57ff1
author jiabin <jiabin@google.com> Sat Sep 18 00:27:08 2021 +0000
committer jiabin <jiabin@google.com> Tue Sep 21 23:26:46 2021 +0000
tree 4a8483937cb3b71961eb42f1a8f5dcab693affa1
parent f6331f231cbc7da5a5365833f40e2a4f8d011002

Add HAL interface to replace aaudio system property.

Using the HAL interface instead of reading system property is a better
option when moving to AIDL HAL. The replaced property includes:
  - aaudio.mixer_bursts
  - aaudio.hw_burst_min_usec

Test: atest AAudioTests
Bug: 193275465
Change-Id: I9c9a04296e56ff083babcfa089fcdddc6b89ed94

services/audioflinger/AudioFlinger.h

diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index d0a9ea8..8c546cc 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -286,6 +286,10 @@
             media::audio::common::AudioMMapPolicyType policyType,
             std::vector<media::audio::common::AudioMMapPolicyInfo> *policyInfos);
 
+    virtual int32_t getAAudioMixerBurstCount();
+
+    virtual int32_t getAAudioHardwareBurstMinUsec();
+
     status_t onTransactWrapper(TransactionCode code, const Parcel& data, uint32_t flags,
         const std::function<status_t()>& delegate) override;
 
@@ -1011,6 +1015,8 @@
 
     std::map<media::audio::common::AudioMMapPolicyType,
              std::vector<media::audio::common::AudioMMapPolicyInfo>> mPolicyInfos;
+    int32_t mAAudioBurstsPerBuffer = 0;
+    int32_t mAAudioHwBurstMinMicros = 0;
 };
 
 #undef INCLUDING_FROM_AUDIOFLINGER_H