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diff --git a/include/ndk/NdkMediaExtractor.h b/include/ndk/NdkMediaExtractor.h
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+/*
+ * 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_EXTRACTOR_H
+#define _NDK_MEDIA_EXTRACTOR_H
+
+#include <sys/types.h>
+
+#include "NdkMediaCodec.h"
+#include "NdkMediaFormat.h"
+#include "NdkMediaCrypto.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AMediaExtractor;
+typedef struct AMediaExtractor AMediaExtractor;
+
+
+/**
+ * Create new media extractor
+ */
+AMediaExtractor* AMediaExtractor_new();
+
+/**
+ * Delete a previously created media extractor
+ */
+media_status_t AMediaExtractor_delete(AMediaExtractor*);
+
+/**
+ *  Set the file descriptor from which the extractor will read.
+ */
+media_status_t AMediaExtractor_setDataSourceFd(AMediaExtractor*, int fd, off64_t offset, off64_t length);
+
+/**
+ * Set the URI from which the extractor will read.
+ */
+media_status_t AMediaExtractor_setDataSource(AMediaExtractor*, const char *location); // TODO support headers
+
+/**
+ * Return the number of tracks in the previously specified media file
+ */
+size_t AMediaExtractor_getTrackCount(AMediaExtractor*);
+
+/**
+ * Return the format of the specified track. The caller must free the returned format
+ */
+AMediaFormat* AMediaExtractor_getTrackFormat(AMediaExtractor*, size_t idx);
+
+/**
+ * Select the specified track. Subsequent calls to readSampleData, getSampleTrackIndex and
+ * getSampleTime only retrieve information for the subset of tracks selected.
+ * Selecting the same track multiple times has no effect, the track is
+ * only selected once.
+ */
+media_status_t AMediaExtractor_selectTrack(AMediaExtractor*, size_t idx);
+
+/**
+ * Unselect the specified track. Subsequent calls to readSampleData, getSampleTrackIndex and
+ * getSampleTime only retrieve information for the subset of tracks selected..
+ */
+media_status_t AMediaExtractor_unselectTrack(AMediaExtractor*, size_t idx);
+
+/**
+ * Read the current sample.
+ */
+ssize_t AMediaExtractor_readSampleData(AMediaExtractor*, uint8_t *buffer, size_t capacity);
+
+/**
+ * Read the current sample's flags.
+ */
+uint32_t AMediaExtractor_getSampleFlags(AMediaExtractor*); // see definitions below
+
+/**
+ * Returns the track index the current sample originates from (or -1
+ * if no more samples are available)
+ */
+int AMediaExtractor_getSampleTrackIndex(AMediaExtractor*);
+
+/**
+ * Returns the current sample's presentation time in microseconds.
+ * or -1 if no more samples are available.
+ */
+int64_t AMediaExtractor_getSampleTime(AMediaExtractor*);
+
+/**
+ * Advance to the next sample. Returns false if no more sample data
+ * is available (end of stream).
+ */
+bool AMediaExtractor_advance(AMediaExtractor*);
+
+typedef enum {
+    AMEDIAEXTRACTOR_SEEK_PREVIOUS_SYNC,
+    AMEDIAEXTRACTOR_SEEK_NEXT_SYNC,
+    AMEDIAEXTRACTOR_SEEK_CLOSEST_SYNC
+} SeekMode;
+
+/**
+ *
+ */
+media_status_t AMediaExtractor_seekTo(AMediaExtractor*, int64_t seekPosUs, SeekMode mode);
+
+/**
+ * mapping of crypto scheme uuid to the scheme specific data for that scheme
+ */
+typedef struct PsshEntry {
+    AMediaUUID uuid;
+    size_t datalen;
+    void *data;
+} PsshEntry;
+
+/**
+ * list of crypto schemes and their data
+ */
+typedef struct PsshInfo {
+    size_t numentries;
+    PsshEntry entries[0];
+} PsshInfo;
+
+/**
+ * Get the PSSH info if present.
+ */
+PsshInfo* AMediaExtractor_getPsshInfo(AMediaExtractor*);
+
+
+AMediaCodecCryptoInfo *AMediaExtractor_getSampleCryptoInfo(AMediaExtractor *);
+
+
+enum {
+    AMEDIAEXTRACTOR_SAMPLE_FLAG_SYNC = 1,
+    AMEDIAEXTRACTOR_SAMPLE_FLAG_ENCRYPTED = 2,
+};
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // _NDK_MEDIA_EXTRACTOR_H