Issue 2071329: audio track is shorter than video track for video capture on sholes

Add API to retrieve number of frames dropped by audio input kernel driver.

Submitted on behalf of Masaki Sato <masaki.sato@motorola.com>

1 files changed, 18 insertions, 1 deletions

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);
     }