media: handle overrides and measure max codec instance.

Bug: 19620911
Change-Id: I68d5919284700f37ccc6c6b9f96cd87ccdd40e6a

1 files changed, 28 insertions, 0 deletions

diff --git a/media/libmedia/IMediaCodecList.cpp b/media/libmedia/IMediaCodecList.cpp
index 80020db..e2df104 100644
--- a/media/libmedia/IMediaCodecList.cpp
+++ b/media/libmedia/IMediaCodecList.cpp
@@ -30,6 +30,7 @@ enum {
     CREATE = IBinder::FIRST_CALL_TRANSACTION,
     COUNT_CODECS,
     GET_CODEC_INFO,
+    GET_GLOBAL_SETTINGS,
     FIND_CODEC_BY_TYPE,
     FIND_CODEC_BY_NAME,
 };
@@ -64,6 +65,19 @@ public:
         }
     }
 
+    virtual const sp<AMessage> getGlobalSettings() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IMediaCodecList::getInterfaceDescriptor());
+        remote()->transact(GET_GLOBAL_SETTINGS, data, &reply);
+        status_t err = reply.readInt32();
+        if (err == OK) {
+            return AMessage::FromParcel(reply);
+        } else {
+            return NULL;
+        }
+    }
+
     virtual ssize_t findCodecByType(
             const char *type, bool encoder, size_t startIndex = 0) const
     {
@@ -125,6 +139,20 @@ status_t BnMediaCodecList::onTransact(
         }
         break;
 
+        case GET_GLOBAL_SETTINGS:
+        {
+            CHECK_INTERFACE(IMediaCodecList, data, reply);
+            const sp<AMessage> info = getGlobalSettings();
+            if (info != NULL) {
+                reply->writeInt32(OK);
+                info->writeToParcel(reply);
+            } else {
+                reply->writeInt32(-ERANGE);
+            }
+            return NO_ERROR;
+        }
+        break;
+
         case FIND_CODEC_BY_TYPE:
         {
             CHECK_INTERFACE(IMediaCodecList, data, reply);