WIP: MediaCodec and friends NDK APIs, plain C version

Change-Id: I9ed6b9c5afb026a1b5fe8b652e75635bbcc223df
diff --git a/media/ndk/NdkMediaFormatPriv.h b/media/ndk/NdkMediaFormatPriv.h
new file mode 100644
index 0000000..f67e782
--- /dev/null
+++ b/media/ndk/NdkMediaFormatPriv.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * This file defines an NDK API.
+ * Do not remove methods.
+ * Do not change method signatures.
+ * Do not change the value of constants.
+ * Do not change the size of any of the classes defined in here.
+ * Do not reference types that are not part of the NDK.
+ * Do not #include files that aren't part of the NDK.
+ */
+
+#ifndef _NDK_MEDIA_FORMAT_PRIV_H
+#define _NDK_MEDIA_FORMAT_PRIV_H
+
+#include <NdkMediaFormat.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+AMediaFormat* AMediaFormat_fromMsg(void*);
+void AMediaFormat_getFormat(AMediaFormat* mData, void* dest);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // _NDK_MEDIA_FORMAT_PRIV_H
+