3 files changed, 38 insertions, 2 deletions
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index 7bbd0b2..bce3371 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -199,6 +199,7 @@ status_t AudioRecord::set(
     mUpdatePeriod = 0;
     mInputSource = (uint8_t)inputSource;
     mFlags = flags;
+    mInput = input;
 
     return NO_ERROR;
 }
@@ -384,6 +385,13 @@ status_t AudioRecord::getPosition(uint32_t *position)
     return NO_ERROR;
 }
 
+unsigned int AudioRecord::getInputFramesLost()
+{
+    if (mActive)
+        return AudioSystem::getInputFramesLost(mInput);
+    else
+        return 0;
+}
 
 // -------------------------------------------------------------------------
 
@@ -517,10 +525,11 @@ void AudioRecord::releaseBuffer(Buffer* audioBuffer)
 
 audio_io_handle_t AudioRecord::getInput()
 {
-   return AudioSystem::getInput(mInputSource,
+    mInput = AudioSystem::getInput(mInputSource,
                                 mCblk->sampleRate,
                                 mFormat, mChannels,
                                 (AudioSystem::audio_in_acoustics)mFlags);
+    return mInput;
 }
 
 // -------------------------------------------------------------------------
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 3f9c6d6..4b364f2 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -354,6 +354,16 @@ status_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames
     return af->getRenderPosition(halFrames, dspFrames, getOutput((stream_type)stream));
 }
 
+unsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) {
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    unsigned int result = 0;
+    if (af == 0) return result;
+    if (ioHandle == NULL) return result;
+
+    result = af->getInputFramesLost(ioHandle);
+    return result;
+}
+
 // ---------------------------------------------------------------------------
 
 void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index ca3a2a6..47bcc12 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -61,7 +61,8 @@ enum {
     CLOSE_INPUT,
     SET_STREAM_OUTPUT,
     SET_VOICE_VOLUME,
-    GET_RENDER_POSITION
+    GET_RENDER_POSITION,
+    GET_INPUT_FRAMES_LOST
 };
 
 class BpAudioFlinger : public BpInterface<IAudioFlinger>
@@ -487,6 +488,15 @@ public:
         }
         return status;
     }
+
+    virtual unsigned int getInputFramesLost(int ioHandle)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(ioHandle);
+        remote()->transact(GET_INPUT_FRAMES_LOST, data, &reply);
+        return reply.readInt32();
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
@@ -752,6 +762,13 @@ status_t BnAudioFlinger::onTransact(
             }
             return NO_ERROR;
         }
+        case GET_INPUT_FRAMES_LOST: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int ioHandle = data.readInt32();
+            reply->writeInt32(getInputFramesLost(ioHandle));
+            return NO_ERROR;
+        } break;
+
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }