Update OpenSLES_Android.h for API 20

All other include/SLES/*.h are unchanged since API 14

Change-Id: If4be7449fc8866ee630dd7986d3ee0d6a48549d4

ndk/platforms/android-20/include/SLES/OpenSLES_AndroidMetadata.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2011 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 OPENSL_ES_ANDROIDMETADATA_H_
+#define OPENSL_ES_ANDROIDMETADATA_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*---------------------------------------------------------------------------*/
+/* Android metadata keys                                                     */
+/*---------------------------------------------------------------------------*/
+
+/**
+ * Additional metadata keys to be used in SLMetadataExtractionItf:
+ *   the ANDROID_KEY_PCMFORMAT_* keys follow the fields of the SLDataFormat_PCM struct, and as such
+ *   all values corresponding to these keys are of SLuint32 type, and are defined as the fields
+ *   of the same name in SLDataFormat_PCM.  The exception is that sample rate is expressed here
+ *   in Hz units, rather than in milliHz units.
+ */
+#define ANDROID_KEY_PCMFORMAT_NUMCHANNELS   "AndroidPcmFormatNumChannels"
+#define ANDROID_KEY_PCMFORMAT_SAMPLERATE    "AndroidPcmFormatSampleRate"
+#define ANDROID_KEY_PCMFORMAT_BITSPERSAMPLE "AndroidPcmFormatBitsPerSample"
+#define ANDROID_KEY_PCMFORMAT_CONTAINERSIZE "AndroidPcmFormatContainerSize"
+#define ANDROID_KEY_PCMFORMAT_CHANNELMASK   "AndroidPcmFormatChannelMask"
+#define ANDROID_KEY_PCMFORMAT_ENDIANNESS    "AndroidPcmFormatEndianness"
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* OPENSL_ES_ANDROIDMETADATA_H_ */