Implement android.media.AudioManager.getProperty()

Bug: 6635041
Change-Id: I3386a4a6c226bc4eceaf65556119e4fb15f73224

2 files changed, 24 insertions, 1 deletions

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index dd491f5..599a9e2 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -6903,6 +6903,24 @@ audio_module_handle_t AudioFlinger::loadHwModule_l(const char *name)
 
 }
 
+// ----------------------------------------------------------------------------
+
+int32_t AudioFlinger::getPrimaryOutputSamplingRate()
+{
+    Mutex::Autolock _l(mLock);
+    PlaybackThread *thread = primaryPlaybackThread_l();
+    return thread != NULL ? thread->sampleRate() : 0;
+}
+
+int32_t AudioFlinger::getPrimaryOutputFrameCount()
+{
+    Mutex::Autolock _l(mLock);
+    PlaybackThread *thread = primaryPlaybackThread_l();
+    return thread != NULL ? thread->frameCountHAL() : 0;
+}
+
+// ----------------------------------------------------------------------------
+
 audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
                                            audio_devices_t *pDevices,
                                            uint32_t *pSamplingRate,
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 8a020fa..45cee0b 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -207,6 +207,9 @@ public:
 
     virtual audio_module_handle_t loadHwModule(const char *name);
 
+    virtual int32_t getPrimaryOutputSamplingRate();
+    virtual int32_t getPrimaryOutputFrameCount();
+
     virtual     status_t    onTransact(
                                 uint32_t code,
                                 const Parcel& data,
@@ -555,8 +558,10 @@ private:
                     audio_channel_mask_t channelMask() const { return mChannelMask; }
                     audio_format_t format() const { return mFormat; }
                     // Called by AudioFlinger::frameCount(audio_io_handle_t output) and effects,
-                    // and returns the normal mix buffer's frame count.  No API for HAL frame count.
+                    // and returns the normal mix buffer's frame count.
                     size_t      frameCount() const { return mNormalFrameCount; }
+                    // Return's the HAL's frame count i.e. fast mixer buffer size.
+                    size_t      frameCountHAL() const { return mFrameCount; }
 
         // Should be "virtual status_t requestExitAndWait()" and override same
         // method in Thread, but Thread::requestExitAndWait() is not yet virtual.