stagefright: rename usePersistentInputSurface to setInputSurface

and clear persistent surface pointer when MediaRecorder is reset

bug: 21045118
bug: 21045402
Change-Id: Ifd0d6deeb969f2252123929541b30b518cecbf9a
diff --git a/media/libmedia/IMediaRecorder.cpp b/media/libmedia/IMediaRecorder.cpp
index c7a1394..ee3b584 100644
--- a/media/libmedia/IMediaRecorder.cpp
+++ b/media/libmedia/IMediaRecorder.cpp
@@ -35,7 +35,7 @@
     RELEASE = IBinder::FIRST_CALL_TRANSACTION,
     INIT,
     CLOSE,
-    USE_PERSISTENT_SURFACE,
+    SET_INPUT_SURFACE,
     QUERY_SURFACE_MEDIASOURCE,
     RESET,
     STOP,
@@ -76,13 +76,13 @@
         return reply.readInt32();
     }
 
-    status_t usePersistentSurface(const sp<IGraphicBufferConsumer>& surface)
+    status_t setInputSurface(const sp<IGraphicBufferConsumer>& surface)
     {
-        ALOGV("usePersistentSurface(%p)", surface.get());
+        ALOGV("setInputSurface(%p)", surface.get());
         Parcel data, reply;
         data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
         data.writeStrongBinder(IInterface::asBinder(surface));
-        remote()->transact(USE_PERSISTENT_SURFACE, data, &reply);
+        remote()->transact(SET_INPUT_SURFACE, data, &reply);
         return reply.readInt32();
     }
 
@@ -453,12 +453,12 @@
             reply->writeInt32(setCamera(camera, proxy));
             return NO_ERROR;
         } break;
-        case USE_PERSISTENT_SURFACE: {
-            ALOGV("USE_PERSISTENT_SURFACE");
+        case SET_INPUT_SURFACE: {
+            ALOGV("SET_INPUT_SURFACE");
             CHECK_INTERFACE(IMediaRecorder, data, reply);
             sp<IGraphicBufferConsumer> surface = interface_cast<IGraphicBufferConsumer>(
                     data.readStrongBinder());
-            reply->writeInt32(usePersistentSurface(surface));
+            reply->writeInt32(setInputSurface(surface));
             return NO_ERROR;
         } break;
         case QUERY_SURFACE_MEDIASOURCE: {
diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp
index 39b135b..c14debf 100644
--- a/media/libmedia/IOMX.cpp
+++ b/media/libmedia/IOMX.cpp
@@ -42,7 +42,7 @@
     USE_GRAPHIC_BUFFER,
     CREATE_INPUT_SURFACE,
     CREATE_PERSISTENT_INPUT_SURFACE,
-    USE_PERSISTENT_INPUT_SURFACE,
+    SET_INPUT_SURFACE,
     SIGNAL_END_OF_INPUT_STREAM,
     STORE_META_DATA_IN_BUFFERS,
     PREPARE_FOR_ADAPTIVE_PLAYBACK,
@@ -353,7 +353,7 @@
         return err;
     }
 
-    virtual status_t usePersistentInputSurface(
+    virtual status_t setInputSurface(
             node_id node, OMX_U32 port_index,
             const sp<IGraphicBufferConsumer> &bufferConsumer) {
         Parcel data, reply;
@@ -363,7 +363,7 @@
         data.writeInt32(port_index);
         data.writeStrongBinder(IInterface::asBinder(bufferConsumer));
 
-        err = remote()->transact(USE_PERSISTENT_INPUT_SURFACE, data, &reply);
+        err = remote()->transact(SET_INPUT_SURFACE, data, &reply);
 
         if (err != OK) {
             ALOGW("binder transaction failed: %d", err);
@@ -372,7 +372,6 @@
         return reply.readInt32();
     }
 
-
     virtual status_t signalEndOfInputStream(node_id node) {
         Parcel data, reply;
         status_t err;
@@ -847,7 +846,7 @@
             return NO_ERROR;
         }
 
-        case USE_PERSISTENT_INPUT_SURFACE:
+        case SET_INPUT_SURFACE:
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);
 
@@ -857,8 +856,7 @@
             sp<IGraphicBufferConsumer> bufferConsumer =
                     interface_cast<IGraphicBufferConsumer>(data.readStrongBinder());
 
-            status_t err = usePersistentInputSurface(
-                    node, port_index, bufferConsumer);
+            status_t err = setInputSurface(node, port_index, bufferConsumer);
 
             reply->writeInt32(err);
             return NO_ERROR;
diff --git a/media/libmedia/mediarecorder.cpp b/media/libmedia/mediarecorder.cpp
index 1f8b1d3..8bbd8f1 100644
--- a/media/libmedia/mediarecorder.cpp
+++ b/media/libmedia/mediarecorder.cpp
@@ -345,9 +345,9 @@
 
 
 
-status_t MediaRecorder::usePersistentSurface(const sp<PersistentSurface>& surface)
+status_t MediaRecorder::setInputSurface(const sp<PersistentSurface>& surface)
 {
-    ALOGV("usePersistentSurface");
+    ALOGV("setInputSurface");
     if (mMediaRecorder == NULL) {
         ALOGE("media recorder is not initialized yet");
         return INVALID_OPERATION;
@@ -356,11 +356,11 @@
                            (MEDIA_RECORDER_PREPARED |
                             MEDIA_RECORDER_RECORDING));
     if (isInvalidState) {
-        ALOGE("usePersistentSurface is called in an invalid state: %d", mCurrentState);
+        ALOGE("setInputSurface is called in an invalid state: %d", mCurrentState);
         return INVALID_OPERATION;
     }
 
-    return mMediaRecorder->usePersistentSurface(surface->getBufferConsumer());
+    return mMediaRecorder->setInputSurface(surface->getBufferConsumer());
 }
 
 status_t MediaRecorder::setVideoFrameRate(int frames_per_second)