diff --git a/include/ndk/NdkMediaCodec.h b/include/ndk/NdkMediaCodec.h
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+++ b/include/ndk/NdkMediaCodec.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_CODEC_H
+#define _NDK_MEDIA_CODEC_H
+
+#include <android/native_window.h>
+
+#include "NdkMediaFormat.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+struct AMediaCodec;
+typedef struct AMediaCodec AMediaCodec;
+
+struct AMediaCodecBufferInfo {
+    int32_t offset;
+    int32_t size;
+    int64_t presentationTimeUs;
+    uint32_t flags;
+};
+typedef struct AMediaCodecBufferInfo AMediaCodecBufferInfo;
+
+enum {
+    AMEDIACODEC_BUFFER_FLAG_END_OF_STREAM = 4,
+    AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED = -3,
+    AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED = -2,
+    AMEDIACODEC_INFO_TRY_AGAIN_LATER = -1
+};
+
+
+/**
+ * Create decoder by name. Use this if you know the exact codec you want to use.
+ */
+AMediaCodec* AMediaCodec_createByCodecName(const char *name);
+
+/**
+ * Create codec by mime type. Most applications will use this, specifying a
+ * mime type obtained from media extractor.
+ */
+AMediaCodec* AMediaCodec_createByCodecType(const char *mime_type);
+
+/**
+ * Create encoder by name.
+ */
+AMediaCodec* AMediaCodec_createEncoderByName(const char *name);
+
+/**
+ * delete the codec and free its resources
+ */
+int AMediaCodec_delete(AMediaCodec*);
+
+/**
+ * Configure the codec. For decoding you would typically get the format from an extractor.
+ */
+int AMediaCodec_configure(AMediaCodec*, AMediaFormat *format, ANativeWindow* surface); // TODO: other args
+
+/**
+ * Start the codec. A codec must be configured before it can be started, and must be started
+ * before buffers can be sent to it.
+ */
+int AMediaCodec_start(AMediaCodec*);
+
+/**
+ * Stop the codec.
+ */
+int AMediaCodec_stop(AMediaCodec*);
+
+/*
+ * Flush the codec's input and output. All indices previously returned from calls to
+ * AMediaCodec_dequeueInputBuffer and AMediaCodec_dequeueOutputBuffer become invalid.
+ */
+int AMediaCodec_flush(AMediaCodec*);
+
+/**
+ * Get an input buffer. The specified buffer index must have been previously obtained from
+ * dequeueInputBuffer, and not yet queued.
+ */
+uint8_t* AMediaCodec_getInputBuffer(AMediaCodec*, size_t idx, size_t *out_size);
+
+/**
+ * Get an output buffer. The specified buffer index must have been previously obtained from
+ * dequeueOutputBuffer, and not yet queued.
+ */
+uint8_t* AMediaCodec_getOutputBuffer(AMediaCodec*, size_t idx, size_t *out_size);
+
+/**
+ * Get the index of the next available input buffer. An app will typically use this with
+ * getInputBuffer() to get a pointer to the buffer, then copy the data to be encoded or decoded
+ * into the buffer before passing it to the codec.
+ */
+ssize_t AMediaCodec_dequeueInputBuffer(AMediaCodec*, int64_t timeoutUs);
+
+/**
+ * Send the specified buffer to the codec for processing.
+ */
+int AMediaCodec_queueInputBuffer(AMediaCodec*,
+        size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags);
+
+/**
+ * Get the index of the next available buffer of processed data.
+ */
+ssize_t AMediaCodec_dequeueOutputBuffer(AMediaCodec*, AMediaCodecBufferInfo *info, int64_t timeoutUs);
+AMediaFormat* AMediaCodec_getOutputFormat(AMediaCodec*);
+
+/**
+ * Release and optionally render the specified buffer.
+ */
+int AMediaCodec_releaseOutputBuffer(AMediaCodec*, size_t idx, bool render);
+
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif //_NDK_MEDIA_CODEC_H