commit 7e0bef8aa6bf9db06079b743794ec2712ad84431
author Lajos Molnar <lajos@google.com> Mon May 09 10:48:30 2016 -0700
committer Lajos Molnar <lajos@google.com> Mon May 09 15:46:36 2016 -0700
tree b3d09643047246a9a25ff83926db8e368befda5d
parent 5adc73643fbccb4d7a768ab669e6c6eb434c4c98

stagefright: add a way to update native handle in OMX buffers

Bug: 22775369
Change-Id: I7d7eb0868fef896d1cb0a45bec759a00f0783673

media/libmedia/IOMX.cpp

diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp
index 61fba35..9b3ef30 100644
--- a/media/libmedia/IOMX.cpp
+++ b/media/libmedia/IOMX.cpp
@@ -25,6 +25,7 @@
 #include <media/IOMX.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/openmax/OMX_IndexExt.h>
+#include <utils/NativeHandle.h>
 
 namespace android {
 
@@ -60,6 +61,7 @@
     SET_INTERNAL_OPTION,
     UPDATE_GRAPHIC_BUFFER_IN_META,
     CONFIGURE_VIDEO_TUNNEL_MODE,
+    UPDATE_NATIVE_HANDLE_IN_META,
 };
 
 class BpOMX : public BpInterface<IOMX> {
@@ -313,6 +315,24 @@
         return err;
     }
 
+    virtual status_t updateNativeHandleInMeta(
+            node_id node, OMX_U32 port_index,
+            const sp<NativeHandle> &nativeHandle, buffer_id buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        data.writeInt32((int32_t)node);
+        data.writeInt32(port_index);
+        data.writeInt32(nativeHandle != NULL);
+        if (nativeHandle != NULL) {
+            data.writeNativeHandle(nativeHandle->handle());
+        }
+        data.writeInt32((int32_t)buffer);
+        remote()->transact(UPDATE_NATIVE_HANDLE_IN_META, data, &reply);
+
+        status_t err = reply.readInt32();
+        return err;
+    }
+
     virtual status_t createInputSurface(
             node_id node, OMX_U32 port_index, android_dataspace dataSpace,
             sp<IGraphicBufferProducer> *bufferProducer, MetadataBufferType *type) {
@@ -908,6 +928,25 @@
             return NO_ERROR;
         }
 
+        case UPDATE_NATIVE_HANDLE_IN_META:
+        {
+            CHECK_OMX_INTERFACE(IOMX, data, reply);
+
+            node_id node = (node_id)data.readInt32();
+            OMX_U32 port_index = data.readInt32();
+            native_handle *handle = NULL;
+            if (data.readInt32()) {
+                handle = data.readNativeHandle();
+            }
+            buffer_id buffer = (buffer_id)data.readInt32();
+
+            status_t err = updateNativeHandleInMeta(
+                    node, port_index, NativeHandle::create(handle, true /* ownshandle */), buffer);
+            reply->writeInt32(err);
+
+            return NO_ERROR;
+        }
+
         case CREATE_INPUT_SURFACE:
         {
             CHECK_OMX_INTERFACE(IOMX, data, reply);