stagefright: rework media codec list and infos

This is in preparation of serving the codec list and codec infos
from the mediaserver

Bug: 11990470
Change-Id: Ib8e2708679c9ce461a4ba179974a740cdcdf2731
diff --git a/include/media/IMediaCodecList.h b/include/media/IMediaCodecList.h
new file mode 100644
index 0000000..e93ea8b
--- /dev/null
+++ b/include/media/IMediaCodecList.h
@@ -0,0 +1,55 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_IMEDIACODECLIST_H
+#define ANDROID_IMEDIACODECLIST_H
+
+#include <utils/Errors.h>  // for status_t
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+struct MediaCodecInfo;
+
+class IMediaCodecList: public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(MediaCodecList);
+
+    virtual size_t countCodecs() const = 0;
+    virtual sp<MediaCodecInfo> getCodecInfo(size_t index) const = 0;
+
+    virtual ssize_t findCodecByType(
+            const char *type, bool encoder, size_t startIndex = 0) const = 0;
+
+    virtual ssize_t findCodecByName(const char *name) const = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnMediaCodecList: public BnInterface<IMediaCodecList>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_IMEDIACODECLIST_H