aaudio: Fix getFramesWritten() for callback mode.

Plus other small fixes for CTS and cleanup

Bug: 37910599
Test: test_aaudio.cpp
Change-Id: I65a23daf99e9de857d3ce9fd12e9f11c614e298e
Signed-off-by: Phil Burk <philburk@google.com>
diff --git a/media/libaaudio/src/client/AudioStreamInternal.cpp b/media/libaaudio/src/client/AudioStreamInternal.cpp
index 810751a..5214db8 100644
--- a/media/libaaudio/src/client/AudioStreamInternal.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternal.cpp
@@ -791,4 +791,10 @@
     return framesRead;
 }
 
-// TODO implement getTimestamp
+int64_t AudioStreamInternal::getFramesWritten()
+{
+    int64_t getFramesWritten = mAudioEndpoint.getDownDataWriteCounter()
+            + mFramesOffsetFromService;
+    ALOGD_IF(MYLOG_CONDITION, "AudioStreamInternal::getFramesWritten() returns %lld", (long long)getFramesWritten);
+    return getFramesWritten;
+}
diff --git a/media/libaaudio/src/client/AudioStreamInternal.h b/media/libaaudio/src/client/AudioStreamInternal.h
index e550ba3..18a55cf 100644
--- a/media/libaaudio/src/client/AudioStreamInternal.h
+++ b/media/libaaudio/src/client/AudioStreamInternal.h
@@ -77,6 +77,7 @@
     int32_t getFramesPerBurst() const override;
 
     int64_t getFramesRead() override;
+    int64_t getFramesWritten() override;
 
     int32_t getXRunCount() const override {
         return mXRunCount;
diff --git a/media/libaaudio/src/core/AAudioAudio.cpp b/media/libaaudio/src/core/AAudioAudio.cpp
index 462ecb3..e5239e8 100644
--- a/media/libaaudio/src/core/AAudioAudio.cpp
+++ b/media/libaaudio/src/core/AAudioAudio.cpp
@@ -195,26 +195,21 @@
     streamBuilder->setFramesPerDataCallback(frames);
 }
 
-// TODO merge AAudioInternal_openStream into AAudioStreamBuilder_openStream
-static aaudio_result_t  AAudioInternal_openStream(AudioStreamBuilder *streamBuilder,
-                                              AAudioStream** streamPtr)
-{
-    AudioStream *audioStream = nullptr;
-    aaudio_result_t result = streamBuilder->build(&audioStream);
-    if (result != AAUDIO_OK) {
-        return result;
-    } else {
-        *streamPtr = (AAudioStream*) audioStream;
-        return AAUDIO_OK;
-    }
-}
-
 AAUDIO_API aaudio_result_t  AAudioStreamBuilder_openStream(AAudioStreamBuilder* builder,
                                                      AAudioStream** streamPtr)
 {
+    AudioStream *audioStream = nullptr;
     ALOGD("AAudioStreamBuilder_openStream() ----------------------------------------------");
     AudioStreamBuilder *streamBuilder = COMMON_GET_FROM_BUILDER_OR_RETURN(streamPtr);
-    return AAudioInternal_openStream(streamBuilder, streamPtr);
+    aaudio_result_t result = streamBuilder->build(&audioStream);
+    ALOGD("AAudioStreamBuilder_openStream() returns %d -----------------------------------",
+          result);
+    if (result == AAUDIO_OK) {
+        *streamPtr = (AAudioStream*) audioStream;
+    } else {
+        *streamPtr = nullptr;
+    }
+    return result;
 }
 
 AAUDIO_API aaudio_result_t  AAudioStreamBuilder_delete(AAudioStreamBuilder* builder)
diff --git a/media/libaaudio/src/core/AudioStream.cpp b/media/libaaudio/src/core/AudioStream.cpp
index 9690848..598fbaa 100644
--- a/media/libaaudio/src/core/AudioStream.cpp
+++ b/media/libaaudio/src/core/AudioStream.cpp
@@ -52,6 +52,7 @@
     mDataCallbackProc = builder.getDataCallbackProc();
     mErrorCallbackProc = builder.getErrorCallbackProc();
     mDataCallbackUserData = builder.getDataCallbackUserData();
+    mErrorCallbackUserData = builder.getErrorCallbackUserData();
 
     // This is very helpful for debugging in the future.
     ALOGI("AudioStream.open(): rate = %d, channels = %d, format = %d, sharing = %d",
diff --git a/media/libaaudio/src/core/AudioStream.h b/media/libaaudio/src/core/AudioStream.h
index 916870b..74a1f77 100644
--- a/media/libaaudio/src/core/AudioStream.h
+++ b/media/libaaudio/src/core/AudioStream.h
@@ -223,11 +223,11 @@
 protected:
 
     virtual int64_t incrementFramesWritten(int32_t frames) {
-        return static_cast<int64_t>(mFramesWritten.increment(frames));
+        return mFramesWritten.increment(frames);
     }
 
     virtual int64_t incrementFramesRead(int32_t frames) {
-        return static_cast<int64_t>(mFramesRead.increment(frames));
+        return mFramesRead.increment(frames);
     }
 
     /**
diff --git a/media/libaaudio/src/core/AudioStreamBuilder.cpp b/media/libaaudio/src/core/AudioStreamBuilder.cpp
index 4e0b8c6..d51eeb3 100644
--- a/media/libaaudio/src/core/AudioStreamBuilder.cpp
+++ b/media/libaaudio/src/core/AudioStreamBuilder.cpp
@@ -108,5 +108,6 @@
     } else {
         *streamPtr = audioStream;
     }
+    ALOGD("AudioStreamBuilder(): return %d", result);
     return result;
 }
diff --git a/media/libaaudio/src/legacy/AudioStreamLegacy.cpp b/media/libaaudio/src/legacy/AudioStreamLegacy.cpp
index baa24c9..59d754a 100644
--- a/media/libaaudio/src/legacy/AudioStreamLegacy.cpp
+++ b/media/libaaudio/src/legacy/AudioStreamLegacy.cpp
@@ -83,6 +83,7 @@
             }
             if (callbackResult == AAUDIO_CALLBACK_RESULT_CONTINUE) {
                 audioBuffer->size = audioBuffer->frameCount * getBytesPerFrame();
+                incrementClientFrameCounter(audioBuffer->frameCount);
             } else {
                 audioBuffer->size = 0;
             }
@@ -107,4 +108,3 @@
             break;
     }
 }
-
diff --git a/media/libaaudio/src/legacy/AudioStreamLegacy.h b/media/libaaudio/src/legacy/AudioStreamLegacy.h
index c109ee7..d5a3ede 100644
--- a/media/libaaudio/src/legacy/AudioStreamLegacy.h
+++ b/media/libaaudio/src/legacy/AudioStreamLegacy.h
@@ -70,6 +70,8 @@
     // Implement FixedBlockProcessor
     int32_t onProcessFixedBlock(uint8_t *buffer, int32_t numBytes) override;
 
+    virtual int64_t incrementClientFrameCounter(int32_t frames)  = 0;
+
 protected:
     FixedBlockAdapter         *mBlockAdapter = nullptr;
     aaudio_wrapping_frames_t   mPositionWhenStarting = 0;
diff --git a/media/libaaudio/src/legacy/AudioStreamRecord.h b/media/libaaudio/src/legacy/AudioStreamRecord.h
index 897a5b3..f4a78e1 100644
--- a/media/libaaudio/src/legacy/AudioStreamRecord.h
+++ b/media/libaaudio/src/legacy/AudioStreamRecord.h
@@ -68,6 +68,10 @@
     // This is public so it can be called from the C callback function.
     void processCallback(int event, void *info) override;
 
+    int64_t incrementClientFrameCounter(int32_t frames) override {
+        return incrementFramesRead(frames);
+    }
+
 private:
     android::sp<android::AudioRecord> mAudioRecord;
     // adapts between variable sized blocks and fixed size blocks
diff --git a/media/libaaudio/src/legacy/AudioStreamTrack.cpp b/media/libaaudio/src/legacy/AudioStreamTrack.cpp
index 96fd427..b71b74a 100644
--- a/media/libaaudio/src/legacy/AudioStreamTrack.cpp
+++ b/media/libaaudio/src/legacy/AudioStreamTrack.cpp
@@ -357,6 +357,8 @@
     case AAUDIO_STREAM_STATE_STARTING:
     case AAUDIO_STREAM_STATE_STARTED:
     case AAUDIO_STREAM_STATE_STOPPING:
+    case AAUDIO_STREAM_STATE_PAUSING:
+    case AAUDIO_STREAM_STATE_PAUSED:
         result = mAudioTrack->getPosition(&position);
         if (result == OK) {
             mFramesRead.update32(position);
diff --git a/media/libaaudio/src/legacy/AudioStreamTrack.h b/media/libaaudio/src/legacy/AudioStreamTrack.h
index 29f5d15..186a08e 100644
--- a/media/libaaudio/src/legacy/AudioStreamTrack.h
+++ b/media/libaaudio/src/legacy/AudioStreamTrack.h
@@ -68,6 +68,10 @@
     // This is public so it can be called from the C callback function.
     void processCallback(int event, void *info) override;
 
+    int64_t incrementClientFrameCounter(int32_t frames) override {
+        return incrementFramesWritten(frames);
+    }
+
 private:
 
     android::sp<android::AudioTrack> mAudioTrack;