From 83750eaf5a3f38c243a9e7eb81d4b2421e3a0d88 Mon Sep 17 00:00:00 2001
From: Jamie Gennis <jgennis@google.com>
Date: Mon, 30 Aug 2010 16:48:38 -0700
Subject: Add the new Stagefright ANativeWindow OMX codec API.

This change defines the two OMX_SetParameter calls that enable OMX codecs to
interact with ANativeWindows.  It also adds the plumbing to the IOMX, OMX, and
OMXNodeInstance classes to use these new APIs.

This is try 2 for this change, after reverting the first one because it broke
the build.

Change-Id: I94249b72bdb5d5719360f03d7935fcca4ece5028
---
 media/libmedia/IOMX.cpp | 73 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

(limited to 'media/libmedia/IOMX.cpp')

diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp
index f3804b8..40801a2 100644
--- a/media/libmedia/IOMX.cpp
+++ b/media/libmedia/IOMX.cpp
@@ -21,7 +21,9 @@ enum {
     SET_PARAMETER,
     GET_CONFIG,
     SET_CONFIG,
+    ENABLE_GRAPHIC_BUFFERS,
     USE_BUFFER,
+    USE_GRAPHIC_BUFFER,
     ALLOC_BUFFER,
     ALLOC_BUFFER_WITH_BACKUP,
     FREE_BUFFER,
@@ -216,6 +218,19 @@ public:
         return reply.readInt32();
     }
 
+    virtual status_t enableGraphicBuffers(
+            node_id node, OMX_U32 port_index, OMX_BOOL enable) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        data.writeIntPtr((intptr_t)node);
+        data.writeInt32(port_index);
+        data.writeInt32((uint32_t)enable);
+        remote()->transact(ENABLE_GRAPHIC_BUFFERS, data, &reply);
+
+        status_t err = reply.readInt32();
+        return err;
+    }
+
     virtual status_t useBuffer(
             node_id node, OMX_U32 port_index, const sp<IMemory> &params,
             buffer_id *buffer) {
@@ -238,6 +253,29 @@ public:
         return err;
     }
 
+
+    virtual status_t useGraphicBuffer(
+            node_id node, OMX_U32 port_index,
+            const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        data.writeIntPtr((intptr_t)node);
+        data.writeInt32(port_index);
+        data.write(*graphicBuffer);
+        remote()->transact(USE_GRAPHIC_BUFFER, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err != OK) {
+            *buffer = 0;
+
+            return err;
+        }
+
+        *buffer = (void*)reply.readIntPtr();
+
+        return err;
+    }
+
     virtual status_t allocateBuffer(
             node_id node, OMX_U32 port_index, size_t size,
             buffer_id *buffer, void **buffer_data) {
@@ -541,6 +579,20 @@ status_t BnOMX::onTransact(
             return NO_ERROR;
         }
 
+        case ENABLE_GRAPHIC_BUFFERS:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = (void*)data.readIntPtr();
+            OMX_U32 port_index = data.readInt32();
+            OMX_BOOL enable = (OMX_BOOL)data.readInt32();
+
+            status_t err = enableGraphicBuffers(node, port_index, enable);
+            reply->writeInt32(err);
+
+            return NO_ERROR;
+        }
+
         case USE_BUFFER:
         {
             CHECK_INTERFACE(IOMX, data, reply);
@@ -561,6 +613,27 @@ status_t BnOMX::onTransact(
             return NO_ERROR;
         }
 
+        case USE_GRAPHIC_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = (void*)data.readIntPtr();
+            OMX_U32 port_index = data.readInt32();
+            sp<GraphicBuffer> graphicBuffer = new GraphicBuffer();
+            data.read(*graphicBuffer);
+
+            buffer_id buffer;
+            status_t err = useGraphicBuffer(
+                    node, port_index, graphicBuffer, &buffer);
+            reply->writeInt32(err);
+
+            if (err == OK) {
+                reply->writeIntPtr((intptr_t)buffer);
+            }
+
+            return NO_ERROR;
+        }
+
         case ALLOC_BUFFER:
         {
             CHECK_INTERFACE(IOMX, data, reply);
-- 
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