commit b588402d48c9634fa72e7e13ca6d6f2a0766cb98
author Phil Burk <philburk@google.com> Mon Mar 27 15:26:14 2017 -0700
committer Phil Burk <philburk@google.com> Wed Apr 12 22:22:57 2017 +0000
tree 89a3993904a7259ba57c1771283f9d6359faf50c
parent 594bc3bd208cdb536502edfa4698fb7b068bb307

AudioTrack and AudioRecord: getNotificationPeriodInFrames()

This is needed for AAudioStream_getFramesPerBurst(),
which is needed for callbacks to work correctly.

Bug: 34716038
Bug: 36489240
Test: CTS test_aaudio.cpp
Change-Id: I0e3f3f18a22bf6da8c288f0d2caec0bff0153f2f
Signed-off-by: Phil Burk <philburk@google.com>

media/libaudioclient/include/AudioRecord.h

diff --git a/media/libaudioclient/include/AudioRecord.h b/media/libaudioclient/include/AudioRecord.h
index 1c8746f..1b034b5 100644
--- a/media/libaudioclient/include/AudioRecord.h
+++ b/media/libaudioclient/include/AudioRecord.h
@@ -243,6 +243,13 @@
             size_t      frameSize() const   { return mFrameSize; }
             audio_source_t inputSource() const  { return mAttributes.source; }
 
+    /*
+     * Return the period of the notification callback in frames.
+     * This value is set when the AudioRecord is constructed.
+     * It can be modified if the AudioRecord is rerouted.
+     */
+            uint32_t    getNotificationPeriodInFrames() const { return mNotificationFramesAct; }
+
     /* After it's created the track is not active. Call start() to
      * make it active. If set, the callback will start being called.
      * If event is not AudioSystem::SYNC_EVENT_NONE, the capture start will be delayed until

media/libaudioclient/include/AudioTrack.h

diff --git a/media/libaudioclient/include/AudioTrack.h b/media/libaudioclient/include/AudioTrack.h
index 0358363..16eb225 100644
--- a/media/libaudioclient/include/AudioTrack.h
+++ b/media/libaudioclient/include/AudioTrack.h
@@ -348,7 +348,12 @@
             uint32_t    channelCount() const { return mChannelCount; }
             size_t      frameCount() const  { return mFrameCount; }
 
-    // TODO consider notificationFrames() if needed
+    /*
+     * Return the period of the notification callback in frames.
+     * This value is set when the AudioTrack is constructed.
+     * It can be modified if the AudioTrack is rerouted.
+     */
+            uint32_t    getNotificationPeriodInFrames() const { return mNotificationFramesAct; }
 
     /* Return effective size of audio buffer that an application writes to
      * or a negative error if the track is uninitialized.